From 233c953243cc8ef9cc55391714b084ad4f0b07f6 Mon Sep 17 00:00:00 2001
From: Bruno Boi <boi@odoo.com>
Date: Tue, 2 Nov 2021 11:29:23 +0100
Subject: [PATCH] [IMP] qweb: introduce t-model directive

supported modifiers: lazy, trim, number
---
 src/blockdom/attributes.ts                    |   6 +-
 src/qweb/compiler.ts                          |  37 +-
 src/qweb/parser.ts                            |  71 +++-
 src/qweb/template_helpers.ts                  |   6 +
 .../components/__snapshots__/app.test.ts.snap |   2 +-
 .../__snapshots__/basics.test.ts.snap         | 158 ++++----
 .../__snapshots__/concurrency.test.ts.snap    | 152 ++++----
 .../__snapshots__/error_handling.test.ts.snap |   4 +-
 .../__snapshots__/event_handling.test.ts.snap |   8 +-
 .../higher_order_component.test.ts.snap       |  26 +-
 .../__snapshots__/hooks.test.ts.snap          |  16 +-
 .../__snapshots__/lifecycle.test.ts.snap      | 108 +++---
 .../__snapshots__/props.test.ts.snap          |  20 +-
 .../props_validation.test.ts.snap             |  62 ++--
 .../__snapshots__/reactivity.test.ts.snap     |  10 +-
 .../__snapshots__/refs.test.ts.snap           |   4 +-
 .../__snapshots__/slots.test.ts.snap          | 234 ++++++------
 .../__snapshots__/style_class.test.ts.snap    |  64 ++--
 .../__snapshots__/t_call.test.ts.snap         |  38 +-
 .../__snapshots__/t_call_block.test.ts.snap   |   2 +-
 .../__snapshots__/t_component.test.ts.snap    |  34 +-
 .../__snapshots__/t_foreach.test.ts.snap      |  32 +-
 .../__snapshots__/t_model.test.ts.snap        | 346 ++++++++++++++++++
 .../__snapshots__/t_on.test.ts.snap           |  12 +-
 .../__snapshots__/t_props.test.ts.snap        |   8 +-
 .../__snapshots__/t_set.test.ts.snap          |  16 +-
 tests/components/t_model.test.ts              | 117 +++++-
 tests/misc/__snapshots__/memo.test.ts.snap    |  10 +-
 tests/misc/__snapshots__/portal.test.ts.snap  |  48 +--
 .../__snapshots__/attributes.test.ts.snap     |  90 ++---
 .../qweb/__snapshots__/comments.test.ts.snap  |   6 +-
 .../__snapshots__/error_handling.test.ts.snap |   2 +-
 .../__snapshots__/event_handling.test.ts.snap |  66 ++--
 tests/qweb/__snapshots__/misc.test.ts.snap    |  12 +-
 .../__snapshots__/qweb_memory.test.ts.snap    |   2 +-
 .../simple_templates.test.ts.snap             |  54 +--
 tests/qweb/__snapshots__/t_call.test.ts.snap  | 112 +++---
 .../__snapshots__/t_debug_log.test.ts.snap    |   8 +-
 tests/qweb/__snapshots__/t_esc.test.ts.snap   |  24 +-
 .../qweb/__snapshots__/t_foreach.test.ts.snap |  36 +-
 tests/qweb/__snapshots__/t_if.test.ts.snap    |  50 +--
 tests/qweb/__snapshots__/t_key.test.ts.snap   |   4 +-
 tests/qweb/__snapshots__/t_raw.test.ts.snap   |  24 +-
 tests/qweb/__snapshots__/t_ref.test.ts.snap   |  14 +-
 tests/qweb/__snapshots__/t_set.test.ts.snap   |  56 +--
 .../__snapshots__/translation.test.ts.snap    |  10 +-
 .../__snapshots__/white_space.test.ts.snap    |  12 +-
 tests/qweb/parser.test.ts                     | 207 ++++++++++-
 48 files changed, 1589 insertions(+), 851 deletions(-)
 create mode 100644 tests/components/__snapshots__/t_model.test.ts.snap

diff --git a/src/blockdom/attributes.ts b/src/blockdom/attributes.ts
index 5217a295..6ca49ed7 100644
--- a/src/blockdom/attributes.ts
+++ b/src/blockdom/attributes.ts
@@ -144,10 +144,10 @@ export function isProp(tag: string, key: string): boolean {
     case "option":
       return key === "selected" || key === "disabled";
     case "textarea":
-      return key === "readonly" || key === "disabled";
-      break;
-    case "button":
+      return key === "value" || key === "readonly" || key === "disabled";
     case "select":
+      return key === "value" || key === "disabled";
+    case "button":
     case "optgroup":
       return key === "disabled";
   }
diff --git a/src/qweb/compiler.ts b/src/qweb/compiler.ts
index d3aaa539..b445bae7 100644
--- a/src/qweb/compiler.ts
+++ b/src/qweb/compiler.ts
@@ -277,7 +277,7 @@ export class QWebCompiler {
     // define blocks and utility functions
     this.addLine(`let { text, createBlock, list, multi, html, toggler, component } = bdom;`);
     this.addLine(
-      `let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;`
+      `let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;`
     );
     if (this.shouldDefineAssign) {
       this.addLine(`let assign = Object.assign;`);
@@ -554,6 +554,41 @@ export class QWebCompiler {
       }
     }
 
+    // t-model
+    if (ast.model) {
+      const {
+        baseExpr,
+        expr,
+        eventType,
+        shouldNumberize,
+        shouldTrim,
+        targetAttr,
+        specialInitTargetAttr,
+      } = ast.model;
+
+      const baseExpression = compileExpr(baseExpr);
+      const id = this.generateId();
+      this.addLine(`const bExpr${id} = ${baseExpression};`);
+
+      const expression = compileExpr(expr);
+
+      let idx: number;
+      if (specialInitTargetAttr) {
+        idx = block!.insertData(`${baseExpression}[${expression}] === '${attrs[targetAttr]}'`);
+        attrs[`block-attribute-${idx}`] = specialInitTargetAttr;
+      } else {
+        idx = block!.insertData(`${baseExpression}[${expression}]`);
+        attrs[`block-attribute-${idx}`] = targetAttr;
+      }
+      let valueCode = `ev.target.${targetAttr}`;
+      valueCode = shouldTrim ? `${valueCode}.trim()` : valueCode;
+      valueCode = shouldNumberize ? `toNumber(${valueCode})` : valueCode;
+
+      const handler = `[(ev) => { bExpr${id}[${expression}] = ${valueCode}; }]`;
+      idx = block!.insertData(handler);
+      attrs[`block-handler-${idx}`] = eventType;
+    }
+
     const dom = xmlDoc.createElement(ast.tag);
     for (const [attr, val] of Object.entries(attrs)) {
       if (!(attr === "class" && val === "")) {
diff --git a/src/qweb/parser.ts b/src/qweb/parser.ts
index 8d0ae306..34fb80c4 100644
--- a/src/qweb/parser.ts
+++ b/src/qweb/parser.ts
@@ -39,6 +39,15 @@ export interface ASTDomNode {
   content: AST[];
   ref: string | null;
   on: { [key: string]: string };
+  model: {
+    baseExpr: string;
+    expr: string;
+    targetAttr: string;
+    specialInitTargetAttr: string | null;
+    eventType: "change" | "click" | "input";
+    shouldTrim: boolean;
+    shouldNumberize: boolean;
+  } | null;
 }
 
 export interface ASTMulti {
@@ -275,13 +284,16 @@ function parseTDebugLog(node: Element, ctx: ParsingContext): AST | null {
 // -----------------------------------------------------------------------------
 // Regular dom node
 // -----------------------------------------------------------------------------
+const hasDotAtTheEnd = /\.[\w_]+\s*$/;
+const hasBracketsAtTheEnd = /\[[^\[]+\]\s*$/;
 
 function parseDOMNode(node: Element, ctx: ParsingContext): AST | null {
-  if (node.tagName === "t") {
+  const { tagName } = node;
+  if (tagName === "t") {
     return null;
   }
   const children: AST[] = [];
-  if (node.tagName === "pre") {
+  if (tagName === "pre") {
     ctx = { inPreTag: true };
   }
   let ref = null;
@@ -297,16 +309,64 @@ function parseDOMNode(node: Element, ctx: ParsingContext): AST | null {
     }
   }
 
+  const nodeAttrsNames = node.getAttributeNames();
   const attrs: ASTDomNode["attrs"] = {};
   const on: ASTDomNode["on"] = {};
+  let model: ASTDomNode["model"] = null;
 
-  for (let attr of node.getAttributeNames()) {
+  for (let attr of nodeAttrsNames) {
     const value = node.getAttribute(attr)!;
     if (attr.startsWith("t-on")) {
       if (attr === "t-on") {
         throw new Error("Missing event name with t-on directive");
       }
       on[attr.slice(5)] = value;
+    } else if (attr.startsWith("t-model")) {
+      if (!["input", "select", "textarea"].includes(tagName)) {
+        throw new Error("The t-model directive only works with <input>, <textarea> and <select>");
+      }
+
+      let baseExpr, expr;
+      if (hasDotAtTheEnd.test(value)) {
+        const index = value.lastIndexOf(".");
+        baseExpr = value.slice(0, index);
+        expr = `'${value.slice(index + 1)}'`;
+      } else if (hasBracketsAtTheEnd.test(value)) {
+        const index = value.lastIndexOf("[");
+        baseExpr = value.slice(0, index);
+        expr = value.slice(index + 1, -1);
+      } else {
+        throw new Error(`Invalid t-model expression: "${value}" (it should be assignable)`);
+      }
+
+      const typeAttr = node.getAttribute("type");
+      const isInput = tagName === "input";
+      const isSelect = tagName === "select";
+      const isTextarea = tagName === "textarea";
+      const isCheckboxInput = isInput && typeAttr === "checkbox";
+      const isRadioInput = isInput && typeAttr === "radio";
+      const isOtherInput = isInput && !isCheckboxInput && !isRadioInput;
+      const hasLazyMod = attr.includes(".lazy");
+      const hasNumberMod = attr.includes(".number");
+      const hasTrimMod = attr.includes(".trim");
+      const eventType = isRadioInput ? "click" : isSelect || hasLazyMod ? "change" : "input";
+      const similarTOnEvent = nodeAttrsNames.find((a) => a.startsWith(`t-on-${eventType}`));
+
+      if (similarTOnEvent) {
+        throw new Error(
+          `Conflicting t-model and ${similarTOnEvent} directives on event type: ${eventType}`
+        );
+      }
+
+      model = {
+        baseExpr,
+        expr,
+        targetAttr: isCheckboxInput ? "checked" : "value",
+        specialInitTargetAttr: isRadioInput ? "checked" : null,
+        eventType,
+        shouldTrim: hasTrimMod && (isOtherInput || isTextarea),
+        shouldNumberize: hasNumberMod && (isOtherInput || isTextarea),
+      };
     } else {
       if (attr.startsWith("t-") && !attr.startsWith("t-att")) {
         throw new Error(`Unknown QWeb directive: '${attr}'`);
@@ -319,11 +379,12 @@ function parseDOMNode(node: Element, ctx: ParsingContext): AST | null {
   }
   return {
     type: ASTType.DomNode,
-    tag: node.tagName,
+    tag: tagName,
     attrs,
     on,
     ref,
     content: children,
+    model,
   };
 }
 
@@ -356,6 +417,7 @@ function parseTEscNode(node: Element, ctx: ParsingContext): AST | null {
       on: ast.on,
       ref,
       content: [tesc],
+      model: ast.model,
     };
   }
   if (ast && ast.type === ASTType.TComponent) {
@@ -394,6 +456,7 @@ function parseTRawNode(node: Element, ctx: ParsingContext): AST | null {
       on: ast.on,
       ref,
       content: [tRaw],
+      model: ast.model,
     };
   }
 
diff --git a/src/qweb/template_helpers.ts b/src/qweb/template_helpers.ts
index 39781897..9c679220 100644
--- a/src/qweb/template_helpers.ts
+++ b/src/qweb/template_helpers.ts
@@ -95,6 +95,7 @@ export const UTILS = {
   prepareList,
   setContextValue,
   shallowEqual,
+  toNumber,
   validateProps,
 };
 
@@ -146,6 +147,11 @@ export class TemplateSet {
   }
 }
 
+function toNumber(val: string): number | string {
+  const n = parseFloat(val);
+  return isNaN(n) ? val : n;
+}
+
 function shallowEqual(l1: any[], l2: any[]): boolean {
   for (let i = 0, l = l1.length; i < l; i++) {
     if (l1[i] !== l2[i]) {
diff --git a/tests/components/__snapshots__/app.test.ts.snap b/tests/components/__snapshots__/app.test.ts.snap
index e837bd88..a6132e87 100644
--- a/tests/components/__snapshots__/app.test.ts.snap
+++ b/tests/components/__snapshots__/app.test.ts.snap
@@ -4,7 +4,7 @@ exports[`app destroy remove the widget from the DOM 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
diff --git a/tests/components/__snapshots__/basics.test.ts.snap b/tests/components/__snapshots__/basics.test.ts.snap
index a9216c3c..a42818e9 100644
--- a/tests/components/__snapshots__/basics.test.ts.snap
+++ b/tests/components/__snapshots__/basics.test.ts.snap
@@ -4,7 +4,7 @@ exports[`basics Multi root component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block2 = createBlock(\`<span>1</span>\`);
   let block4 = createBlock(\`<span>2</span>\`);
@@ -22,7 +22,7 @@ exports[`basics a class component inside a class component, no external dom 1`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
   
@@ -36,7 +36,7 @@ exports[`basics a class component inside a class component, no external dom 2`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {}, key + \`__1\`, node, ctx);
@@ -48,7 +48,7 @@ exports[`basics a component cannot be mounted in a detached node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -62,7 +62,7 @@ exports[`basics a component inside a component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
   
@@ -76,7 +76,7 @@ exports[`basics a component inside a component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -91,7 +91,7 @@ exports[`basics can be clicked on and updated 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><button block-handler-1=\\"click\\">Inc</button></div>\`);
   
@@ -108,7 +108,7 @@ exports[`basics can handle empty props 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -123,7 +123,7 @@ exports[`basics can handle empty props 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -138,7 +138,7 @@ exports[`basics can inject values in tagged templates 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -153,7 +153,7 @@ exports[`basics can inject values in tagged templates 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`__template__9\`);
   
   return function template(ctx, node, key = \\"\\") {
@@ -166,7 +166,7 @@ exports[`basics can mount a component with just some text 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`just text\`);
@@ -178,7 +178,7 @@ exports[`basics can mount a component with no text 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`\`);
@@ -190,7 +190,7 @@ exports[`basics can mount a simple component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
   
@@ -204,7 +204,7 @@ exports[`basics can mount a simple component with multiple roots 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block2 = createBlock(\`<span/>\`);
   let block3 = createBlock(\`<div/>\`);
@@ -221,7 +221,7 @@ exports[`basics can mount a simple component with props 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -236,7 +236,7 @@ exports[`basics cannot mount on a documentFragment 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>content</div>\`);
   
@@ -250,7 +250,7 @@ exports[`basics child can be updated 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(ctx['props'].value);
@@ -262,7 +262,7 @@ exports[`basics child can be updated 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {value: ctx['state'].counter}, key + \`__1\`, node, ctx);
@@ -274,7 +274,7 @@ exports[`basics class component with dynamic text 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>My value: <block-text-0/></span>\`);
   
@@ -289,7 +289,7 @@ exports[`basics class parent, class child component with props 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -304,7 +304,7 @@ exports[`basics class parent, class child component with props 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {value: 42}, key + \`__1\`, node, ctx);
@@ -316,7 +316,7 @@ exports[`basics component with dynamic content can be updated 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -331,7 +331,7 @@ exports[`basics do not remove previously rendered dom if not necessary 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -345,7 +345,7 @@ exports[`basics do not remove previously rendered dom if not necessary, variatio
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><h1>h1</h1><span><block-text-0/></span></div>\`);
   
@@ -398,7 +398,7 @@ exports[`basics has no el after creation 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>simple</span>\`);
   
@@ -412,7 +412,7 @@ exports[`basics higher order components parent and child 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>a</div>\`);
   
@@ -426,7 +426,7 @@ exports[`basics higher order components parent and child 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>b</span>\`);
   
@@ -440,7 +440,7 @@ exports[`basics higher order components parent and child 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -458,7 +458,7 @@ exports[`basics higher order components parent and child 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {child: ctx['state'].child}, key + \`__1\`, node, ctx);
@@ -470,7 +470,7 @@ exports[`basics list of two sub components inside other nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>asdf</span>\`);
   
@@ -484,7 +484,7 @@ exports[`basics list of two sub components inside other nodes 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
@@ -509,7 +509,7 @@ exports[`basics parent, child and grandchild 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>hey</div>\`);
   
@@ -523,7 +523,7 @@ exports[`basics parent, child and grandchild 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`GrandChild\`, {}, key + \`__1\`, node, ctx);
@@ -535,7 +535,7 @@ exports[`basics parent, child and grandchild 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {}, key + \`__1\`, node, ctx);
@@ -547,7 +547,7 @@ exports[`basics props is set on root component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
   
@@ -561,7 +561,7 @@ exports[`basics reconciliation alg is not confused in some specific situation 1`
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>child</span>\`);
   
@@ -575,7 +575,7 @@ exports[`basics reconciliation alg is not confused in some specific situation 2`
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -591,7 +591,7 @@ exports[`basics rerendering a widget with a sub widget 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><button block-handler-1=\\"click\\">Inc</button></div>\`);
   
@@ -608,7 +608,7 @@ exports[`basics rerendering a widget with a sub widget 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Counter\`, {}, key + \`__1\`, node, ctx);
@@ -620,7 +620,7 @@ exports[`basics same t-keys in two different places 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -635,7 +635,7 @@ exports[`basics same t-keys in two different places 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><div><block-child-0/></div><div><block-child-1/></div></div>\`);
   
@@ -651,7 +651,7 @@ exports[`basics simple component with a dynamic text 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -666,7 +666,7 @@ exports[`basics simple component, useState 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -681,7 +681,7 @@ exports[`basics some simple sanity checks (el/status) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
   
@@ -695,7 +695,7 @@ exports[`basics sub components between t-ifs 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>child</span>\`);
   
@@ -709,7 +709,7 @@ exports[`basics sub components between t-ifs 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/><span><block-child-2/></span><block-child-3/></div>\`);
   let block2 = createBlock(\`<h1>hey</h1>\`);
@@ -736,7 +736,7 @@ exports[`basics t-elif works with t-component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>hey</span>\`);
   
@@ -750,7 +750,7 @@ exports[`basics t-elif works with t-component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   let block2 = createBlock(\`<div>somediv</div>\`);
@@ -771,7 +771,7 @@ exports[`basics t-else with empty string works with t-component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>hey</span>\`);
   
@@ -785,7 +785,7 @@ exports[`basics t-else with empty string works with t-component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   let block2 = createBlock(\`<div>somediv</div>\`);
@@ -806,7 +806,7 @@ exports[`basics t-else works with t-component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>hey</span>\`);
   
@@ -820,7 +820,7 @@ exports[`basics t-else works with t-component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   let block2 = createBlock(\`<div>somediv</div>\`);
@@ -841,7 +841,7 @@ exports[`basics t-if works with t-component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>hey</span>\`);
   
@@ -855,7 +855,7 @@ exports[`basics t-if works with t-component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -873,7 +873,7 @@ exports[`basics t-key on a component with t-if, and a sibling component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>child</span>\`);
   
@@ -887,7 +887,7 @@ exports[`basics t-key on a component with t-if, and a sibling component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -906,7 +906,7 @@ exports[`basics text after a conditional component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p>simple vnode</p>\`);
   
@@ -920,7 +920,7 @@ exports[`basics text after a conditional component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><span><block-text-0/></span></div>\`);
   
@@ -939,7 +939,7 @@ exports[`basics three level of components with collapsing root nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>2</div>\`);
   
@@ -953,7 +953,7 @@ exports[`basics three level of components with collapsing root nodes 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`GrandChild\`, {}, key + \`__1\`, node, ctx);
@@ -965,7 +965,7 @@ exports[`basics three level of components with collapsing root nodes 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {}, key + \`__1\`, node, ctx);
@@ -977,7 +977,7 @@ exports[`basics throws if mounting on target=null 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
   
@@ -991,7 +991,7 @@ exports[`basics two child components 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
   
@@ -1005,7 +1005,7 @@ exports[`basics two child components 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = component(\`Child\`, {}, key + \`__1\`, node, ctx);
@@ -1019,7 +1019,7 @@ exports[`basics updating a component with t-foreach as root 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -1038,7 +1038,7 @@ exports[`basics updating widget immediately 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>abc<block-child-0/></span>\`);
   
@@ -1056,7 +1056,7 @@ exports[`basics updating widget immediately 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {flag: ctx['state'].flag}, key + \`__1\`, node, ctx);
@@ -1068,7 +1068,7 @@ exports[`basics widget after a t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -1082,7 +1082,7 @@ exports[`basics widget after a t-foreach 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -1107,7 +1107,7 @@ exports[`basics zero or one child components 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
   
@@ -1121,7 +1121,7 @@ exports[`basics zero or one child components 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2;
@@ -1137,7 +1137,7 @@ exports[`mount targets can mount a component (with default position='last-child'
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>app</div>\`);
   
@@ -1151,7 +1151,7 @@ exports[`mount targets can mount a component (with position='first-child') 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>app</div>\`);
   
@@ -1165,7 +1165,7 @@ exports[`mount targets default mount option is 'last-child' 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>app</div>\`);
   
@@ -1179,7 +1179,7 @@ exports[`support svg components add proper namespace to svg 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<g><circle cx=\\"50\\" cy=\\"50\\" r=\\"4\\" stroke=\\"green\\" stroke-width=\\"1\\" fill=\\"yellow\\"/></g>\`);
   
@@ -1193,7 +1193,7 @@ exports[`support svg components add proper namespace to svg 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<svg><block-child-0/></svg>\`);
   
@@ -1208,7 +1208,7 @@ exports[`t-raw in components can render list of t-raw  1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -1232,7 +1232,7 @@ exports[`t-raw in components update properly on state changes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/concurrency.test.ts.snap b/tests/components/__snapshots__/concurrency.test.ts.snap
index dc991183..5d746d91 100644
--- a/tests/components/__snapshots__/concurrency.test.ts.snap
+++ b/tests/components/__snapshots__/concurrency.test.ts.snap
@@ -4,7 +4,7 @@ exports[`async rendering destroying a widget before start is over 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -57,7 +57,7 @@ exports[`change state and call manually render: no unnecessary rendering 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -72,7 +72,7 @@ exports[`changing state before first render does not trigger a render (with pare
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -87,7 +87,7 @@ exports[`changing state before first render does not trigger a render (with pare
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -105,7 +105,7 @@ exports[`changing state before first render does not trigger a render 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -120,7 +120,7 @@ exports[`concurrent renderings scenario 1 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
   
@@ -136,7 +136,7 @@ exports[`concurrent renderings scenario 1 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -151,7 +151,7 @@ exports[`concurrent renderings scenario 1 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -166,7 +166,7 @@ exports[`concurrent renderings scenario 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
   
@@ -182,7 +182,7 @@ exports[`concurrent renderings scenario 2 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -197,7 +197,7 @@ exports[`concurrent renderings scenario 2 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><block-child-0/></div>\`);
   
@@ -213,7 +213,7 @@ exports[`concurrent renderings scenario 2bis 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
   
@@ -229,7 +229,7 @@ exports[`concurrent renderings scenario 2bis 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -244,7 +244,7 @@ exports[`concurrent renderings scenario 2bis 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -259,7 +259,7 @@ exports[`concurrent renderings scenario 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<i><block-text-0/><block-text-1/></i>\`);
   
@@ -275,7 +275,7 @@ exports[`concurrent renderings scenario 3 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -290,7 +290,7 @@ exports[`concurrent renderings scenario 3 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -305,7 +305,7 @@ exports[`concurrent renderings scenario 3 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -320,7 +320,7 @@ exports[`concurrent renderings scenario 4 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<i><block-text-0/><block-text-1/></i>\`);
   
@@ -336,7 +336,7 @@ exports[`concurrent renderings scenario 4 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -351,7 +351,7 @@ exports[`concurrent renderings scenario 4 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -366,7 +366,7 @@ exports[`concurrent renderings scenario 4 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -381,7 +381,7 @@ exports[`concurrent renderings scenario 5 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
   
@@ -396,7 +396,7 @@ exports[`concurrent renderings scenario 5 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -411,7 +411,7 @@ exports[`concurrent renderings scenario 6 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
   
@@ -426,7 +426,7 @@ exports[`concurrent renderings scenario 6 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -441,7 +441,7 @@ exports[`concurrent renderings scenario 7 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-text-0/><block-text-1/></p>\`);
   
@@ -457,7 +457,7 @@ exports[`concurrent renderings scenario 7 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -472,7 +472,7 @@ exports[`concurrent renderings scenario 8 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-text-0/><block-text-1/></p>\`);
   
@@ -488,7 +488,7 @@ exports[`concurrent renderings scenario 8 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -503,7 +503,7 @@ exports[`concurrent renderings scenario 9 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
   
@@ -519,7 +519,7 @@ exports[`concurrent renderings scenario 9 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -534,7 +534,7 @@ exports[`concurrent renderings scenario 9 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<b><block-text-0/></b>\`);
   
@@ -549,7 +549,7 @@ exports[`concurrent renderings scenario 9 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><block-child-0/><block-child-1/></div>\`);
   
@@ -566,7 +566,7 @@ exports[`concurrent renderings scenario 10 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -581,7 +581,7 @@ exports[`concurrent renderings scenario 10 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -599,7 +599,7 @@ exports[`concurrent renderings scenario 10 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -614,7 +614,7 @@ exports[`concurrent renderings scenario 11 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/>|<block-text-1/></span>\`);
   
@@ -630,7 +630,7 @@ exports[`concurrent renderings scenario 11 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -645,7 +645,7 @@ exports[`concurrent renderings scenario 12 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -660,7 +660,7 @@ exports[`concurrent renderings scenario 12 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -675,7 +675,7 @@ exports[`concurrent renderings scenario 13 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -690,7 +690,7 @@ exports[`concurrent renderings scenario 13 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -709,7 +709,7 @@ exports[`concurrent renderings scenario 14 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><span><block-text-0/></span><span><block-text-1/></span><span><block-text-2/></span></p>\`);
   
@@ -726,7 +726,7 @@ exports[`concurrent renderings scenario 14 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -741,7 +741,7 @@ exports[`concurrent renderings scenario 14 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -756,7 +756,7 @@ exports[`concurrent renderings scenario 15 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><span><block-text-0/></span><span><block-text-1/></span><span><block-text-2/></span></p>\`);
   
@@ -773,7 +773,7 @@ exports[`concurrent renderings scenario 15 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -788,7 +788,7 @@ exports[`concurrent renderings scenario 15 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -803,7 +803,7 @@ exports[`concurrent renderings scenario 16 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<ul>DDD</ul>\`);
   
@@ -817,7 +817,7 @@ exports[`concurrent renderings scenario 16 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><span><block-text-0/></span><span><block-text-1/></span><span><block-text-2/></span><block-child-0/></p>\`);
   
@@ -838,7 +838,7 @@ exports[`concurrent renderings scenario 16 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -853,7 +853,7 @@ exports[`concurrent renderings scenario 16 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -868,7 +868,7 @@ exports[`creating two async components, scenario 1 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -883,7 +883,7 @@ exports[`creating two async components, scenario 1 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>b</span>\`);
   
@@ -897,7 +897,7 @@ exports[`creating two async components, scenario 1 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -916,7 +916,7 @@ exports[`creating two async components, scenario 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>a<block-text-0/></span>\`);
   
@@ -931,7 +931,7 @@ exports[`creating two async components, scenario 2 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>b<block-text-0/></span>\`);
   
@@ -946,7 +946,7 @@ exports[`creating two async components, scenario 2 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -965,7 +965,7 @@ exports[`creating two async components, scenario 3 (patching in the same frame)
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>a<block-text-0/></span>\`);
   
@@ -980,7 +980,7 @@ exports[`creating two async components, scenario 3 (patching in the same frame)
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>b<block-text-0/></span>\`);
   
@@ -995,7 +995,7 @@ exports[`creating two async components, scenario 3 (patching in the same frame)
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -1014,7 +1014,7 @@ exports[`destroying/recreating a subwidget with different props (if start is not
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>child:<block-text-0/></span>\`);
   
@@ -1029,7 +1029,7 @@ exports[`destroying/recreating a subwidget with different props (if start is not
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -1047,7 +1047,7 @@ exports[`properly behave when destroyed/unmounted while rendering  1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -1061,7 +1061,7 @@ exports[`properly behave when destroyed/unmounted while rendering  2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -1076,7 +1076,7 @@ exports[`properly behave when destroyed/unmounted while rendering  3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -1094,7 +1094,7 @@ exports[`render method wait until rendering is done 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -1109,7 +1109,7 @@ exports[`rendering component again in next microtick 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>Child</div>\`);
   
@@ -1123,7 +1123,7 @@ exports[`rendering component again in next microtick 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click\\">Click</button><block-child-0/></div>\`);
   
@@ -1142,7 +1142,7 @@ exports[`two renderings initiated between willPatch and patched 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<abc><block-text-0/></abc>\`);
   
@@ -1157,7 +1157,7 @@ exports[`two renderings initiated between willPatch and patched 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -1175,7 +1175,7 @@ exports[`update a sub-component twice in the same frame 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -1190,7 +1190,7 @@ exports[`update a sub-component twice in the same frame 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -1205,7 +1205,7 @@ exports[`update a sub-component twice in the same frame, 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -1220,7 +1220,7 @@ exports[`update a sub-component twice in the same frame, 2 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/error_handling.test.ts.snap b/tests/components/__snapshots__/error_handling.test.ts.snap
index d27afa38..5729c2ac 100644
--- a/tests/components/__snapshots__/error_handling.test.ts.snap
+++ b/tests/components/__snapshots__/error_handling.test.ts.snap
@@ -4,7 +4,7 @@ exports[`basics no component catching error lead to full app destruction 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
   
@@ -19,7 +19,7 @@ exports[`basics no component catching error lead to full app destruction 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/event_handling.test.ts.snap b/tests/components/__snapshots__/event_handling.test.ts.snap
index 1126700c..6c7670ca 100644
--- a/tests/components/__snapshots__/event_handling.test.ts.snap
+++ b/tests/components/__snapshots__/event_handling.test.ts.snap
@@ -4,7 +4,7 @@ exports[`event handling handler receive the event as argument 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
   
@@ -18,7 +18,7 @@ exports[`event handling handler receive the event as argument 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span block-handler-0=\\"click\\"><block-child-0/><block-text-1/></span>\`);
   
@@ -35,7 +35,7 @@ exports[`event handling support for callable expression in event handler 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><input type=\\"text\\" block-handler-1=\\"input\\"/></div>\`);
   
@@ -52,7 +52,7 @@ exports[`event handling t-on with handler bound to dynamic argument on a t-forea
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<div class=\\"item\\" block-handler-0=\\"click\\"/>\`);
diff --git a/tests/components/__snapshots__/higher_order_component.test.ts.snap b/tests/components/__snapshots__/higher_order_component.test.ts.snap
index ee4c3a7f..0cd93ca3 100644
--- a/tests/components/__snapshots__/higher_order_component.test.ts.snap
+++ b/tests/components/__snapshots__/higher_order_component.test.ts.snap
@@ -4,7 +4,7 @@ exports[`basics basic use 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>child<block-text-0/></span>\`);
   
@@ -19,7 +19,7 @@ exports[`basics basic use 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {p: 1}, key + \`__1\`, node, ctx);
@@ -31,7 +31,7 @@ exports[`basics can select a sub widget  1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>CHILD 1</span>\`);
   
@@ -45,7 +45,7 @@ exports[`basics can select a sub widget  2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>CHILD 2</div>\`);
   
@@ -59,7 +59,7 @@ exports[`basics can select a sub widget  3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -78,7 +78,7 @@ exports[`basics can select a sub widget, part 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>CHILD 1</span>\`);
   
@@ -92,7 +92,7 @@ exports[`basics can select a sub widget, part 2 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>CHILD 2</div>\`);
   
@@ -106,7 +106,7 @@ exports[`basics can select a sub widget, part 2 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -125,7 +125,7 @@ exports[`basics sub widget is interactive 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><button block-handler-0=\\"click\\">click</button>child<block-text-1/></span>\`);
   
@@ -141,7 +141,7 @@ exports[`basics sub widget is interactive 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {p: 1}, key + \`__1\`, node, ctx);
@@ -153,7 +153,7 @@ exports[`basics top level sub widget with a parent 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>Hello</span>\`);
   
@@ -167,7 +167,7 @@ exports[`basics top level sub widget with a parent 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`ComponentC\`, {}, key + \`__1\`, node, ctx);
@@ -179,7 +179,7 @@ exports[`basics top level sub widget with a parent 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/hooks.test.ts.snap b/tests/components/__snapshots__/hooks.test.ts.snap
index eab8710f..060da9c8 100644
--- a/tests/components/__snapshots__/hooks.test.ts.snap
+++ b/tests/components/__snapshots__/hooks.test.ts.snap
@@ -4,7 +4,7 @@ exports[`hooks autofocus hook input in a t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><input block-ref=\\"0\\"/><block-child-0/></div>\`);
   let block2 = createBlock(\`<input block-ref=\\"0\\"/>\`);
@@ -26,7 +26,7 @@ exports[`hooks autofocus hook simple input 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><input block-ref=\\"0\\"/><input block-ref=\\"1\\"/></div>\`);
   
@@ -43,7 +43,7 @@ exports[`hooks can use onWillStart, onWillUpdateProps 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -58,7 +58,7 @@ exports[`hooks can use onWillStart, onWillUpdateProps 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`MyComponent\`, {value: ctx['state'].value}, key + \`__1\`, node, ctx);
@@ -70,7 +70,7 @@ exports[`hooks can use useComponent 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -84,7 +84,7 @@ exports[`hooks mounted callbacks should be called in reverse order from willUnmo
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
   
@@ -99,7 +99,7 @@ exports[`hooks two different call to willPatch/patched should work 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
   
@@ -114,7 +114,7 @@ exports[`hooks useRef hook: basic use 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><button block-ref=\\"0\\"><block-text-1/></button></div>\`);
   
diff --git a/tests/components/__snapshots__/lifecycle.test.ts.snap b/tests/components/__snapshots__/lifecycle.test.ts.snap
index 7a60ad8c..0d0fdbdc 100644
--- a/tests/components/__snapshots__/lifecycle.test.ts.snap
+++ b/tests/components/__snapshots__/lifecycle.test.ts.snap
@@ -4,7 +4,7 @@ exports[`lifecycle hooks basic checks for a component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>test</span>\`);
   
@@ -18,7 +18,7 @@ exports[`lifecycle hooks component semantics 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>B</div>\`);
   
@@ -32,7 +32,7 @@ exports[`lifecycle hooks component semantics 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>D</div>\`);
   
@@ -46,7 +46,7 @@ exports[`lifecycle hooks component semantics 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>E</div>\`);
   
@@ -60,7 +60,7 @@ exports[`lifecycle hooks component semantics 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>F</div>\`);
   
@@ -74,7 +74,7 @@ exports[`lifecycle hooks component semantics 5`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>C<block-child-0/><block-child-1/><block-child-2/></div>\`);
   
@@ -95,7 +95,7 @@ exports[`lifecycle hooks component semantics 6`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>A<block-child-0/><block-child-1/></div>\`);
   
@@ -111,7 +111,7 @@ exports[`lifecycle hooks components are unmounted and destroyed if no longer in
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -125,7 +125,7 @@ exports[`lifecycle hooks components are unmounted and destroyed if no longer in
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2;
@@ -141,7 +141,7 @@ exports[`lifecycle hooks components are unmounted and destroyed if no longer in
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -156,7 +156,7 @@ exports[`lifecycle hooks components are unmounted and destroyed if no longer in
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block2 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -175,7 +175,7 @@ exports[`lifecycle hooks hooks are called in proper order in widget creation/des
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -189,7 +189,7 @@ exports[`lifecycle hooks hooks are called in proper order in widget creation/des
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -204,7 +204,7 @@ exports[`lifecycle hooks lifecycle semantics 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -218,7 +218,7 @@ exports[`lifecycle hooks lifecycle semantics 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -233,7 +233,7 @@ exports[`lifecycle hooks lifecycle semantics, part 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -247,7 +247,7 @@ exports[`lifecycle hooks lifecycle semantics, part 2 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`GrandChild\`, {}, key + \`__1\`, node, ctx);
@@ -259,7 +259,7 @@ exports[`lifecycle hooks lifecycle semantics, part 2 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2;
@@ -275,7 +275,7 @@ exports[`lifecycle hooks lifecycle semantics, part 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -289,7 +289,7 @@ exports[`lifecycle hooks lifecycle semantics, part 3 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`GrandChild\`, {}, key + \`__1\`, node, ctx);
@@ -301,7 +301,7 @@ exports[`lifecycle hooks lifecycle semantics, part 3 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2;
@@ -317,7 +317,7 @@ exports[`lifecycle hooks lifecycle semantics, part 4 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -331,7 +331,7 @@ exports[`lifecycle hooks lifecycle semantics, part 4 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`GrandChild\`, {}, key + \`__1\`, node, ctx);
@@ -343,7 +343,7 @@ exports[`lifecycle hooks lifecycle semantics, part 4 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2;
@@ -359,7 +359,7 @@ exports[`lifecycle hooks lifecycle semantics, part 5 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -373,7 +373,7 @@ exports[`lifecycle hooks lifecycle semantics, part 5 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2;
@@ -389,7 +389,7 @@ exports[`lifecycle hooks lifecycle semantics, part 6 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -403,7 +403,7 @@ exports[`lifecycle hooks lifecycle semantics, part 6 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {value: ctx['state'].value}, key + \`__1\`, node, ctx);
@@ -415,7 +415,7 @@ exports[`lifecycle hooks mounted hook is called if mounted in DOM 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -429,7 +429,7 @@ exports[`lifecycle hooks mounted hook is called on every mount, not just the fir
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>child</div>\`);
   
@@ -443,7 +443,7 @@ exports[`lifecycle hooks mounted hook is called on every mount, not just the fir
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2;
@@ -459,7 +459,7 @@ exports[`lifecycle hooks mounted hook is called on subcomponents, in proper orde
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -473,7 +473,7 @@ exports[`lifecycle hooks mounted hook is called on subcomponents, in proper orde
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -488,7 +488,7 @@ exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper o
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -502,7 +502,7 @@ exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper o
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -517,7 +517,7 @@ exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper o
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -535,7 +535,7 @@ exports[`lifecycle hooks onRender 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"><block-text-1/></button>\`);
   
@@ -551,7 +551,7 @@ exports[`lifecycle hooks onRender 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {}, key + \`__1\`, node, ctx);
@@ -563,7 +563,7 @@ exports[`lifecycle hooks patched hook is called after updateProps 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -577,7 +577,7 @@ exports[`lifecycle hooks patched hook is called after updateProps 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -592,7 +592,7 @@ exports[`lifecycle hooks patched hook is called after updating State 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -607,7 +607,7 @@ exports[`lifecycle hooks sub widget (inside sub node): hooks are correctly calle
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -621,7 +621,7 @@ exports[`lifecycle hooks sub widget (inside sub node): hooks are correctly calle
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2;
@@ -637,7 +637,7 @@ exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents,
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -652,7 +652,7 @@ exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents,
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -667,7 +667,7 @@ exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents,
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -682,7 +682,7 @@ exports[`lifecycle hooks willStart hook is called on sub component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -696,7 +696,7 @@ exports[`lifecycle hooks willStart hook is called on sub component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {}, key + \`__1\`, node, ctx);
@@ -708,7 +708,7 @@ exports[`lifecycle hooks willStart is called 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
   
@@ -722,7 +722,7 @@ exports[`lifecycle hooks willStart is called with component as this 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
   
@@ -736,7 +736,7 @@ exports[`lifecycle hooks willStart, mounted on subwidget rendered after main is
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -750,7 +750,7 @@ exports[`lifecycle hooks willStart, mounted on subwidget rendered after main is
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   let block3 = createBlock(\`<div/>\`);
@@ -771,7 +771,7 @@ exports[`lifecycle hooks willUpdateProps hook is called 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -786,7 +786,7 @@ exports[`lifecycle hooks willUpdateProps hook is called 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {n: ctx['state'].n}, key + \`__1\`, node, ctx);
diff --git a/tests/components/__snapshots__/props.test.ts.snap b/tests/components/__snapshots__/props.test.ts.snap
index 380cf7ee..51be4683 100644
--- a/tests/components/__snapshots__/props.test.ts.snap
+++ b/tests/components/__snapshots__/props.test.ts.snap
@@ -4,7 +4,7 @@ exports[`basics accept ES6-like syntax for props (with getters) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -19,7 +19,7 @@ exports[`basics accept ES6-like syntax for props (with getters) 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -34,7 +34,7 @@ exports[`basics explicit object prop 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -49,7 +49,7 @@ exports[`basics explicit object prop 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -64,7 +64,7 @@ exports[`basics t-set with a body expression can be passed in props, and then t-
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/><block-child-0/></span>\`);
   
@@ -80,7 +80,7 @@ exports[`basics t-set with a body expression can be passed in props, and then t-
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<p>43</p>\`);
@@ -100,7 +100,7 @@ exports[`basics t-set with a body expression can be used as textual prop 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -115,7 +115,7 @@ exports[`basics t-set with a body expression can be used as textual prop 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -133,7 +133,7 @@ exports[`basics t-set works  1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -148,7 +148,7 @@ exports[`basics t-set works  2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/props_validation.test.ts.snap b/tests/components/__snapshots__/props_validation.test.ts.snap
index 10276f26..f5b4122a 100644
--- a/tests/components/__snapshots__/props_validation.test.ts.snap
+++ b/tests/components/__snapshots__/props_validation.test.ts.snap
@@ -4,7 +4,7 @@ exports[`default props can set default required boolean values 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -21,7 +21,7 @@ exports[`default props can set default values 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -38,7 +38,7 @@ exports[`default props default values are also set whenever component is updated
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -55,7 +55,7 @@ exports[`props validation can validate a prop with multiple types 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -72,7 +72,7 @@ exports[`props validation can validate a prop with multiple types 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -89,7 +89,7 @@ exports[`props validation can validate an array with given primitive type 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -106,7 +106,7 @@ exports[`props validation can validate an array with given primitive type 2`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -123,7 +123,7 @@ exports[`props validation can validate an array with multiple sub element types
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -140,7 +140,7 @@ exports[`props validation can validate an array with multiple sub element types
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -157,7 +157,7 @@ exports[`props validation can validate an array with multiple sub element types
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -174,7 +174,7 @@ exports[`props validation can validate an object with simple shape 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -191,7 +191,7 @@ exports[`props validation can validate an optional props 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -208,7 +208,7 @@ exports[`props validation can validate an optional props 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -225,7 +225,7 @@ exports[`props validation can validate recursively complicated prop def 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -242,7 +242,7 @@ exports[`props validation can validate recursively complicated prop def 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -259,7 +259,7 @@ exports[`props validation default values are applied before validating props at
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -276,7 +276,7 @@ exports[`props validation props are validated in dev mode (code snapshot) 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -293,7 +293,7 @@ exports[`props validation props are validated whenever component is updated 1`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -310,7 +310,7 @@ exports[`props validation validate simple types 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -327,7 +327,7 @@ exports[`props validation validate simple types 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -344,7 +344,7 @@ exports[`props validation validate simple types 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -361,7 +361,7 @@ exports[`props validation validate simple types 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -378,7 +378,7 @@ exports[`props validation validate simple types 5`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -395,7 +395,7 @@ exports[`props validation validate simple types 6`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -412,7 +412,7 @@ exports[`props validation validate simple types, alternate form 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -429,7 +429,7 @@ exports[`props validation validate simple types, alternate form 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -446,7 +446,7 @@ exports[`props validation validate simple types, alternate form 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -463,7 +463,7 @@ exports[`props validation validate simple types, alternate form 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -480,7 +480,7 @@ exports[`props validation validate simple types, alternate form 5`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -497,7 +497,7 @@ exports[`props validation validate simple types, alternate form 6`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -514,7 +514,7 @@ exports[`props validation validation is only done in dev mode 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/reactivity.test.ts.snap b/tests/components/__snapshots__/reactivity.test.ts.snap
index 6bb44ef1..9850c500 100644
--- a/tests/components/__snapshots__/reactivity.test.ts.snap
+++ b/tests/components/__snapshots__/reactivity.test.ts.snap
@@ -4,7 +4,7 @@ exports[`reactivity in lifecycle can use a state hook 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -19,7 +19,7 @@ exports[`reactivity in lifecycle can use a state hook 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -34,7 +34,7 @@ exports[`reactivity in lifecycle change state while mounting component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -49,7 +49,7 @@ exports[`reactivity in lifecycle state changes in willUnmount do not trigger rer
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
   
@@ -65,7 +65,7 @@ exports[`reactivity in lifecycle state changes in willUnmount do not trigger rer
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/refs.test.ts.snap b/tests/components/__snapshots__/refs.test.ts.snap
index 8b1e0e7d..1d4e5c1d 100644
--- a/tests/components/__snapshots__/refs.test.ts.snap
+++ b/tests/components/__snapshots__/refs.test.ts.snap
@@ -4,7 +4,7 @@ exports[`refs refs are properly bound in slots 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -19,7 +19,7 @@ exports[`refs refs are properly bound in slots 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><span class=\\"counter\\"><block-text-0/></span><block-child-0/></div>\`);
diff --git a/tests/components/__snapshots__/slots.test.ts.snap b/tests/components/__snapshots__/slots.test.ts.snap
index 1268f9fa..12297dba 100644
--- a/tests/components/__snapshots__/slots.test.ts.snap
+++ b/tests/components/__snapshots__/slots.test.ts.snap
@@ -4,7 +4,7 @@ exports[`slots can define and call slots 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><div><block-child-0/></div><div><block-child-1/></div></div>\`);
   
@@ -20,7 +20,7 @@ exports[`slots can define and call slots 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -47,7 +47,7 @@ exports[`slots content is the default slot (variation) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return callSlot(ctx, node, key, 'default');
@@ -59,7 +59,7 @@ exports[`slots content is the default slot (variation) 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<span>sts rocks</span>\`);
@@ -78,7 +78,7 @@ exports[`slots content is the default slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -93,7 +93,7 @@ exports[`slots content is the default slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -114,7 +114,7 @@ exports[`slots dafault slots can define a default content 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -133,7 +133,7 @@ exports[`slots dafault slots can define a default content 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -148,7 +148,7 @@ exports[`slots default content is not rendered if named slot is provided 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -167,7 +167,7 @@ exports[`slots default content is not rendered if named slot is provided 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -188,7 +188,7 @@ exports[`slots default content is not rendered if slot is provided 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -207,7 +207,7 @@ exports[`slots default content is not rendered if slot is provided 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -227,7 +227,7 @@ exports[`slots default slot next to named slot, with default content 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"Dialog\\"><div class=\\"content\\"><block-child-0/></div><div class=\\"footer\\"><block-child-1/></div></div>\`);
   
@@ -251,7 +251,7 @@ exports[`slots default slot next to named slot, with default content 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -272,7 +272,7 @@ exports[`slots default slot work with text nodes (variation) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return callSlot(ctx, node, key, 'default');
@@ -284,7 +284,7 @@ exports[`slots default slot work with text nodes (variation) 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot2 = ctx => (node, key) => {
@@ -301,7 +301,7 @@ exports[`slots default slot work with text nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -316,7 +316,7 @@ exports[`slots default slot work with text nodes 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -336,7 +336,7 @@ exports[`slots dynamic t-slot call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"><block-child-0/></button>\`);
   
@@ -353,7 +353,7 @@ exports[`slots dynamic t-slot call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -383,7 +383,7 @@ exports[`slots dynamic t-slot call with default 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"><block-child-0/></button>\`);
   
@@ -403,7 +403,7 @@ exports[`slots dynamic t-slot call with default 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -433,7 +433,7 @@ exports[`slots fun: two calls to the same slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = callSlot(ctx, node, key, 'default');
@@ -447,7 +447,7 @@ exports[`slots fun: two calls to the same slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot2 = ctx => (node, key) => {
@@ -464,7 +464,7 @@ exports[`slots missing slots are ignored 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/><span>some content</span><block-child-1/></span>\`);
   
@@ -480,7 +480,7 @@ exports[`slots missing slots are ignored 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -495,7 +495,7 @@ exports[`slots multiple roots are allowed in a default slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -510,7 +510,7 @@ exports[`slots multiple roots are allowed in a default slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -534,7 +534,7 @@ exports[`slots multiple roots are allowed in a named slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -549,7 +549,7 @@ exports[`slots multiple roots are allowed in a named slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -574,7 +574,7 @@ exports[`slots multiple slots containing components 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -589,7 +589,7 @@ exports[`slots multiple slots containing components 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -605,7 +605,7 @@ exports[`slots multiple slots containing components 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot3 = ctx => (node, key) => {
@@ -627,7 +627,7 @@ exports[`slots named slot inside slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -643,7 +643,7 @@ exports[`slots named slot inside slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -677,7 +677,7 @@ exports[`slots named slot inside slot, part 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -693,7 +693,7 @@ exports[`slots named slot inside slot, part 3 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -727,7 +727,7 @@ exports[`slots named slots can define a default content 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -746,7 +746,7 @@ exports[`slots named slots can define a default content 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -761,7 +761,7 @@ exports[`slots named slots inside slot, again 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<child><block-child-0/><block-child-1/><block-child-2/></child>\`);
   
@@ -786,7 +786,7 @@ exports[`slots named slots inside slot, again 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -820,7 +820,7 @@ exports[`slots nested slots in same template 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span id=\\"c1\\"><div><block-child-0/></div></span>\`);
   
@@ -835,7 +835,7 @@ exports[`slots nested slots in same template 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span id=\\"c2\\"><block-child-0/></span>\`);
   
@@ -850,7 +850,7 @@ exports[`slots nested slots in same template 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>Child 3</span>\`);
   
@@ -864,7 +864,7 @@ exports[`slots nested slots in same template 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<span id=\\"parent\\"><block-child-0/></span>\`);
@@ -888,7 +888,7 @@ exports[`slots nested slots: evaluation context and parented relationship 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -903,7 +903,7 @@ exports[`slots nested slots: evaluation context and parented relationship 2`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -918,7 +918,7 @@ exports[`slots nested slots: evaluation context and parented relationship 3`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot2 = ctx => (node, key) => {
@@ -935,7 +935,7 @@ exports[`slots nested slots: evaluation context and parented relationship 4`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot2 = ctx => (node, key) => {
@@ -952,7 +952,7 @@ exports[`slots no named slot content => just no children 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -967,7 +967,7 @@ exports[`slots no named slot content => just no children 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Dialog\`, {}, key + \`__1\`, node, ctx);
@@ -979,7 +979,7 @@ exports[`slots simple default slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -994,7 +994,7 @@ exports[`slots simple default slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot2 = ctx => (node, key) => {
@@ -1011,7 +1011,7 @@ exports[`slots simple default slot, variation 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return callSlot(ctx, node, key, 'default');
@@ -1023,7 +1023,7 @@ exports[`slots simple default slot, variation 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot2 = ctx => (node, key) => {
@@ -1040,7 +1040,7 @@ exports[`slots slot and (inline) t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p>sokka</p>\`);
   
@@ -1054,7 +1054,7 @@ exports[`slots slot and (inline) t-call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -1069,7 +1069,7 @@ exports[`slots slot and (inline) t-call 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   const callTemplate_5 = getTemplate(\`__template__9\`);
   
@@ -1091,7 +1091,7 @@ exports[`slots slot and (inline) t-esc 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -1106,7 +1106,7 @@ exports[`slots slot and (inline) t-esc 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1126,7 +1126,7 @@ exports[`slots slot and t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p>sokka</p>\`);
   
@@ -1140,7 +1140,7 @@ exports[`slots slot and t-call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -1155,7 +1155,7 @@ exports[`slots slot and t-call 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   const callTemplate_5 = getTemplate(\`__template__9\`);
   
@@ -1177,7 +1177,7 @@ exports[`slots slot and t-esc 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -1192,7 +1192,7 @@ exports[`slots slot and t-esc 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1212,7 +1212,7 @@ exports[`slots slot are properly rendered if inner props are changed 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div> SC:<block-text-0/></div>\`);
   
@@ -1227,7 +1227,7 @@ exports[`slots slot are properly rendered if inner props are changed 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -1242,7 +1242,7 @@ exports[`slots slot are properly rendered if inner props are changed 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click\\">Inc[<block-text-1/>]</button><block-child-0/></div>\`);
@@ -1264,7 +1264,7 @@ exports[`slots slot content is bound to caller 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -1279,7 +1279,7 @@ exports[`slots slot content is bound to caller 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">some text</button>\`);
@@ -1299,7 +1299,7 @@ exports[`slots slot preserves properly parented relationship 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return callSlot(ctx, node, key, 'default');
@@ -1311,7 +1311,7 @@ exports[`slots slot preserves properly parented relationship 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`Grand Child\`);
@@ -1323,7 +1323,7 @@ exports[`slots slot preserves properly parented relationship 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1343,7 +1343,7 @@ exports[`slots slot preserves properly parented relationship, even through t-cal
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return callSlot(ctx, node, key, 'default');
@@ -1355,7 +1355,7 @@ exports[`slots slot preserves properly parented relationship, even through t-cal
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`Grand Child\`);
@@ -1367,7 +1367,7 @@ exports[`slots slot preserves properly parented relationship, even through t-cal
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`GrandChild\`, {}, key + \`__1\`, node, ctx);
@@ -1379,7 +1379,7 @@ exports[`slots slot preserves properly parented relationship, even through t-cal
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   const callTemplate_5 = getTemplate(\`sub\`);
   
@@ -1401,7 +1401,7 @@ exports[`slots slots and wrapper components 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<a href=\\"abc\\"><block-child-0/></a>\`);
   
@@ -1416,7 +1416,7 @@ exports[`slots slots and wrapper components 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot2 = ctx => (node, key) => {
@@ -1433,7 +1433,7 @@ exports[`slots slots are rendered with proper context 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -1448,7 +1448,7 @@ exports[`slots slots are rendered with proper context 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><span class=\\"counter\\"><block-text-0/></span><block-child-0/></div>\`);
@@ -1472,7 +1472,7 @@ exports[`slots slots are rendered with proper context, part 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<a block-attribute-0=\\"href\\"><block-child-0/></a>\`);
   
@@ -1488,7 +1488,7 @@ exports[`slots slots are rendered with proper context, part 2 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><u><block-child-0/></u></div>\`);
@@ -1520,7 +1520,7 @@ exports[`slots slots are rendered with proper context, part 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<a block-attribute-0=\\"href\\"><block-child-0/></a>\`);
   
@@ -1536,7 +1536,7 @@ exports[`slots slots are rendered with proper context, part 3 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><u><block-child-0/></u></div>\`);
@@ -1569,7 +1569,7 @@ exports[`slots slots are rendered with proper context, part 4 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<a block-attribute-0=\\"href\\"><block-child-0/></a>\`);
   
@@ -1585,7 +1585,7 @@ exports[`slots slots are rendered with proper context, part 4 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1609,7 +1609,7 @@ exports[`slots slots in slots, with vars 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -1624,7 +1624,7 @@ exports[`slots slots in slots, with vars 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1644,7 +1644,7 @@ exports[`slots slots in slots, with vars 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1670,7 +1670,7 @@ exports[`slots slots in t-foreach and re-rendering 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/><block-child-0/></span>\`);
   
@@ -1686,7 +1686,7 @@ exports[`slots slots in t-foreach and re-rendering 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1715,7 +1715,7 @@ exports[`slots slots in t-foreach in t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -1730,7 +1730,7 @@ exports[`slots slots in t-foreach in t-foreach 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1774,7 +1774,7 @@ exports[`slots slots in t-foreach with t-set and re-rendering 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/><block-child-0/></span>\`);
   
@@ -1790,7 +1790,7 @@ exports[`slots slots in t-foreach with t-set and re-rendering 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1822,7 +1822,7 @@ exports[`slots t-debug on a t-set-slot (defining a slot) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -1837,7 +1837,7 @@ exports[`slots t-debug on a t-set-slot (defining a slot) 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1859,7 +1859,7 @@ exports[`slots t-set t-value in a slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -1874,7 +1874,7 @@ exports[`slots t-set t-value in a slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1898,7 +1898,7 @@ exports[`slots t-slot in recursive templates 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<wrapper><block-child-0/></wrapper>\`);
   
@@ -1913,7 +1913,7 @@ exports[`slots t-slot in recursive templates 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   const callTemplate_5 = getTemplate(\`_test_recursive_template\`);
   
@@ -1959,7 +1959,7 @@ exports[`slots t-slot nested within another slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>Child 3</span>\`);
   
@@ -1973,7 +1973,7 @@ exports[`slots t-slot nested within another slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span id=\\"modal\\"><block-child-0/></span>\`);
   
@@ -1988,7 +1988,7 @@ exports[`slots t-slot nested within another slot 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span id=\\"portal\\"><block-child-0/></span>\`);
   
@@ -2003,7 +2003,7 @@ exports[`slots t-slot nested within another slot 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<span id=\\"c2\\"><block-child-0/></span>\`);
@@ -2027,7 +2027,7 @@ exports[`slots t-slot nested within another slot 5`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<span id=\\"c1\\"><block-child-0/></span>\`);
@@ -2047,7 +2047,7 @@ exports[`slots t-slot scope context 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return callSlot(ctx, node, key, 'default');
@@ -2059,7 +2059,7 @@ exports[`slots t-slot scope context 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div block-handler-0=\\"click\\"><block-child-0/></div>\`);
@@ -2080,7 +2080,7 @@ exports[`slots t-slot scope context 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<button>The Button</button>\`);
@@ -2099,7 +2099,7 @@ exports[`slots t-slot within dynamic t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"child\\"/>\`);
   
@@ -2113,7 +2113,7 @@ exports[`slots t-slot within dynamic t-call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"slotted\\"><block-child-0/></div>\`);
   
@@ -2128,7 +2128,7 @@ exports[`slots t-slot within dynamic t-call 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"slot\\"><block-child-0/></div>\`);
   
@@ -2143,7 +2143,7 @@ exports[`slots t-slot within dynamic t-call 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -2165,7 +2165,7 @@ exports[`slots template can just return a slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -2180,7 +2180,7 @@ exports[`slots template can just return a slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return callSlot(ctx, node, key, 'default');
@@ -2192,7 +2192,7 @@ exports[`slots template can just return a slot 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
diff --git a/tests/components/__snapshots__/style_class.test.ts.snap b/tests/components/__snapshots__/style_class.test.ts.snap
index 3d0e8b00..26672ca4 100644
--- a/tests/components/__snapshots__/style_class.test.ts.snap
+++ b/tests/components/__snapshots__/style_class.test.ts.snap
@@ -4,7 +4,7 @@ exports[`style and class handling can set class on multi root component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block2 = createBlock(\`<div>a</div>\`);
   let block3 = createBlock(\`<span block-attribute-0=\\"class\\">b</span>\`);
@@ -22,7 +22,7 @@ exports[`style and class handling can set class on multi root component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {class: 'fromparent'}, key + \`__1\`, node, ctx);
@@ -34,7 +34,7 @@ exports[`style and class handling can set class on sub component, as prop 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">child</div>\`);
   
@@ -49,7 +49,7 @@ exports[`style and class handling can set class on sub component, as prop 2`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {class: 'some-class'}, key + \`__1\`, node, ctx);
@@ -61,7 +61,7 @@ exports[`style and class handling can set class on sub sub component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">childchild</div>\`);
   
@@ -76,7 +76,7 @@ exports[`style and class handling can set class on sub sub component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`ChildChild\`, {class: (ctx['props'].class||'')+' fromchild'}, key + \`__1\`, node, ctx);
@@ -88,7 +88,7 @@ exports[`style and class handling can set class on sub sub component 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {class: 'fromparent'}, key + \`__1\`, node, ctx);
@@ -100,7 +100,7 @@ exports[`style and class handling can set more than one class on sub component 1
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">child</div>\`);
   
@@ -115,7 +115,7 @@ exports[`style and class handling can set more than one class on sub component 2
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {class: 'a  b'}, key + \`__1\`, node, ctx);
@@ -127,7 +127,7 @@ exports[`style and class handling can set style and class inside component 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div style=\\"font-weight:bold;\\" class=\\"some-class\\">world</div>\`);
   
@@ -156,7 +156,7 @@ exports[`style and class handling class on sub component, which is switched to a
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">a</div>\`);
   
@@ -171,7 +171,7 @@ exports[`style and class handling class on sub component, which is switched to a
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span block-attribute-0=\\"class\\">b</span>\`);
   
@@ -186,7 +186,7 @@ exports[`style and class handling class on sub component, which is switched to a
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -204,7 +204,7 @@ exports[`style and class handling class on sub component, which is switched to a
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {class: 'someclass',child: ctx['state'].child}, key + \`__1\`, node, ctx);
@@ -216,7 +216,7 @@ exports[`style and class handling class with extra whitespaces (variation) 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -231,7 +231,7 @@ exports[`style and class handling class with extra whitespaces (variation) 2`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
@@ -246,7 +246,7 @@ exports[`style and class handling class with extra whitespaces 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -261,7 +261,7 @@ exports[`style and class handling class with extra whitespaces 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {class: 'a  b c   d'}, key + \`__1\`, node, ctx);
@@ -273,7 +273,7 @@ exports[`style and class handling component class and parent class combine toget
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"child\\" block-attribute-0=\\"class\\">child</div>\`);
   
@@ -288,7 +288,7 @@ exports[`style and class handling component class and parent class combine toget
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {class: 'from parent'}, key + \`__1\`, node, ctx);
@@ -327,7 +327,7 @@ exports[`style and class handling empty class attribute is not added on widget r
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span block-attribute-0=\\"class\\"/>\`);
   
@@ -342,7 +342,7 @@ exports[`style and class handling empty class attribute is not added on widget r
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -357,7 +357,7 @@ exports[`style and class handling error in subcomponent with class 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"><block-text-1/></div>\`);
   
@@ -373,7 +373,7 @@ exports[`style and class handling error in subcomponent with class 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {class: 'a'}, key + \`__1\`, node, ctx);
@@ -385,7 +385,7 @@ exports[`style and class handling no class is set is child ignores it 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>child</div>\`);
   
@@ -399,7 +399,7 @@ exports[`style and class handling no class is set is child ignores it 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {class: 'hey'}, key + \`__1\`, node, ctx);
@@ -411,7 +411,7 @@ exports[`style and class handling no class is set is parent does not give it as
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">child</div>\`);
   
@@ -426,7 +426,7 @@ exports[`style and class handling no class is set is parent does not give it as
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {}, key + \`__1\`, node, ctx);
@@ -438,7 +438,7 @@ exports[`style and class handling style is properly added on widget root el 1`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"style\\"/>\`);
   
@@ -453,7 +453,7 @@ exports[`style and class handling style is properly added on widget root el 2`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {style: 'font-weight: bold;'}, key + \`__1\`, node, ctx);
@@ -465,7 +465,7 @@ exports[`style and class handling t-att-class is properly added/removed on widge
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span class=\\"c\\" block-attribute-0=\\"class\\"/>\`);
   
@@ -480,7 +480,7 @@ exports[`style and class handling t-att-class is properly added/removed on widge
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/t_call.test.ts.snap b/tests/components/__snapshots__/t_call.test.ts.snap
index 24377cc7..3ec2cecc 100644
--- a/tests/components/__snapshots__/t_call.test.ts.snap
+++ b/tests/components/__snapshots__/t_call.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-call dynamic t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -21,7 +21,7 @@ exports[`t-call dynamic t-call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>foo</div>\`);
   
@@ -35,7 +35,7 @@ exports[`t-call dynamic t-call 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`bar\`);
@@ -47,7 +47,7 @@ exports[`t-call handlers are properly bound through a t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
   
@@ -62,7 +62,7 @@ exports[`t-call handlers are properly bound through a t-call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`__template__9\`);
   
   let block1 = createBlock(\`<div><block-child-0/><block-text-0/></div>\`);
@@ -79,7 +79,7 @@ exports[`t-call handlers with arguments are properly bound through a t-call 1`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
   
@@ -95,7 +95,7 @@ exports[`t-call handlers with arguments are properly bound through a t-call 2`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`__template__9\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -111,7 +111,7 @@ exports[`t-call parent is set within t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {}, key + \`__1\`, node, ctx);
@@ -123,7 +123,7 @@ exports[`t-call parent is set within t-call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>lucas</span>\`);
   
@@ -137,7 +137,7 @@ exports[`t-call parent is set within t-call 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`__template__9\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -153,7 +153,7 @@ exports[`t-call parent is set within t-call with no parentNode 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {}, key + \`__1\`, node, ctx);
@@ -165,7 +165,7 @@ exports[`t-call parent is set within t-call with no parentNode 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>lucas</span>\`);
   
@@ -179,7 +179,7 @@ exports[`t-call parent is set within t-call with no parentNode 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`__template__9\`);
   
   return function template(ctx, node, key = \\"\\") {
@@ -192,7 +192,7 @@ exports[`t-call sub components in two t-calls 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -207,7 +207,7 @@ exports[`t-call sub components in two t-calls 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   const callTemplate_4 = getTemplate(\`sub\`);
   
@@ -230,7 +230,7 @@ exports[`t-call sub components in two t-calls 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {val: ctx['state'].val}, key + \`__1\`, node, ctx);
@@ -242,7 +242,7 @@ exports[`t-call t-call in t-foreach and children component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return component(\`Child\`, {val: ctx['val']}, key + \`__1\`, node, ctx);
@@ -254,7 +254,7 @@ exports[`t-call t-call in t-foreach and children component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -269,7 +269,7 @@ exports[`t-call t-call in t-foreach and children component 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`__template__9\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
diff --git a/tests/components/__snapshots__/t_call_block.test.ts.snap b/tests/components/__snapshots__/t_call_block.test.ts.snap
index cda7abd5..49d94a84 100644
--- a/tests/components/__snapshots__/t_call_block.test.ts.snap
+++ b/tests/components/__snapshots__/t_call_block.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-call-block simple t-call-block with static text 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/t_component.test.ts.snap b/tests/components/__snapshots__/t_component.test.ts.snap
index 7116e703..247a85ce 100644
--- a/tests/components/__snapshots__/t_component.test.ts.snap
+++ b/tests/components/__snapshots__/t_component.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-component can switch between dynamic components without the need for
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>child a</span>\`);
   
@@ -18,7 +18,7 @@ exports[`t-component can switch between dynamic components without the need for
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>child b</span>\`);
   
@@ -32,7 +32,7 @@ exports[`t-component can switch between dynamic components without the need for
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -48,7 +48,7 @@ exports[`t-component can use dynamic components (the class) if given (with diffe
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>child a</span>\`);
   
@@ -62,7 +62,7 @@ exports[`t-component can use dynamic components (the class) if given (with diffe
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>child b</div>\`);
   
@@ -76,7 +76,7 @@ exports[`t-component can use dynamic components (the class) if given (with diffe
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let Comp2 = ctx['myComponent'];
@@ -89,7 +89,7 @@ exports[`t-component can use dynamic components (the class) if given 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>child a</span>\`);
   
@@ -103,7 +103,7 @@ exports[`t-component can use dynamic components (the class) if given 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>child b</span>\`);
   
@@ -117,7 +117,7 @@ exports[`t-component can use dynamic components (the class) if given 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let Comp2 = ctx['myComponent'];
@@ -130,7 +130,7 @@ exports[`t-component modifying a sub widget 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><button block-handler-1=\\"click\\">Inc</button></div>\`);
   
@@ -147,7 +147,7 @@ exports[`t-component modifying a sub widget 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -163,7 +163,7 @@ exports[`t-component switching dynamic component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>child a</div>\`);
   
@@ -177,7 +177,7 @@ exports[`t-component switching dynamic component 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`child b\`);
@@ -189,7 +189,7 @@ exports[`t-component switching dynamic component 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let Comp2 = ctx['Child'];
@@ -202,7 +202,7 @@ exports[`t-component t-component not on a <t> node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>1</span>\`);
   
@@ -216,7 +216,7 @@ exports[`t-component t-component works in simple case 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>child</div>\`);
   
@@ -230,7 +230,7 @@ exports[`t-component t-component works in simple case 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let Comp2 = ctx['Child'];
diff --git a/tests/components/__snapshots__/t_foreach.test.ts.snap b/tests/components/__snapshots__/t_foreach.test.ts.snap
index 68e2f3ae..60fa7592 100644
--- a/tests/components/__snapshots__/t_foreach.test.ts.snap
+++ b/tests/components/__snapshots__/t_foreach.test.ts.snap
@@ -4,7 +4,7 @@ exports[`list of components components in a node in a t-foreach  1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -19,7 +19,7 @@ exports[`list of components components in a node in a t-foreach  2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><ul><block-child-0/></ul></div>\`);
   let block3 = createBlock(\`<li><block-child-0/></li>\`);
@@ -43,7 +43,7 @@ exports[`list of components list of sub components inside other nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>asdf</span>\`);
   
@@ -57,7 +57,7 @@ exports[`list of components list of sub components inside other nodes 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<div><block-child-0/></div>\`);
@@ -81,7 +81,7 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -96,7 +96,7 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -128,7 +128,7 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach,
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -143,7 +143,7 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach,
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<p><block-child-0/></p>\`);
@@ -177,7 +177,7 @@ exports[`list of components simple list 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -192,7 +192,7 @@ exports[`list of components simple list 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -211,7 +211,7 @@ exports[`list of components sub components rendered in a loop 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
   
@@ -226,7 +226,7 @@ exports[`list of components sub components rendered in a loop 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -248,7 +248,7 @@ exports[`list of components sub components with some state rendered in a loop 1`
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
   
@@ -263,7 +263,7 @@ exports[`list of components sub components with some state rendered in a loop 2`
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -285,7 +285,7 @@ exports[`list of components t-foreach with t-component, and update 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
   
@@ -301,7 +301,7 @@ exports[`list of components t-foreach with t-component, and update 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/t_model.test.ts.snap b/tests/components/__snapshots__/t_model.test.ts.snap
new file mode 100644
index 00000000..5c3aa8a8
--- /dev/null
+++ b/tests/components/__snapshots__/t_model.test.ts.snap
@@ -0,0 +1,346 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`t-model directive .lazy modifier 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"change\\"/><span><block-text-2/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['text'];
+    let d2 = [(ev) => { bExpr1['text'] = ev.target.value; }];
+    let d3 = ctx['state'].text;
+    return block1([d1, d2, d3]);
+  }
+}"
+`;
+
+exports[`t-model directive .number modifier 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['number'];
+    let d2 = [(ev) => { bExpr1['number'] = toNumber(ev.target.value); }];
+    let d3 = ctx['state'].number;
+    return block1([d1, d2, d3]);
+  }
+}"
+`;
+
+exports[`t-model directive .trim modifier 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['text'];
+    let d2 = [(ev) => { bExpr1['text'] = ev.target.value.trim(); }];
+    let d3 = ctx['state'].text;
+    return block1([d1, d2, d3]);
+  }
+}"
+`;
+
+exports[`t-model directive basic use, on an input 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['text'];
+    let d2 = [(ev) => { bExpr1['text'] = ev.target.value; }];
+    let d3 = ctx['state'].text;
+    return block1([d1, d2, d3]);
+  }
+}"
+`;
+
+exports[`t-model directive basic use, on an input with bracket expression 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['text'];
+    let d2 = [(ev) => { bExpr1['text'] = ev.target.value; }];
+    let d3 = ctx['state'].text;
+    return block1([d1, d2, d3]);
+  }
+}"
+`;
+
+exports[`t-model directive basic use, on another key in component 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['some'];
+    let d1 = ctx['some']['text'];
+    let d2 = [(ev) => { bExpr1['text'] = ev.target.value; }];
+    let d3 = ctx['some'].text;
+    return block1([d1, d2, d3]);
+  }
+}"
+`;
+
+exports[`t-model directive following a scope protecting directive (e.g. t-set) 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    ctx = Object.create(ctx);
+    ctx[isBoundary] = 1
+    setContextValue(ctx, \\"admiral\\", 'Bruno');
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['text'];
+    let d2 = [(ev) => { bExpr1['text'] = ev.target.value; }];
+    return block1([d1, d2]);
+  }
+}"
+`;
+
+exports[`t-model directive in a t-foreach 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<input type=\\"checkbox\\" block-attribute-0=\\"checked\\" block-handler-1=\\"input\\"/>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    ctx = Object.create(ctx);
+    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state']);
+    for (let i1 = 0; i1 < l_block2; i1++) {
+      ctx[\`thing\`] = v_block2[i1];
+      let key1 = ctx['thing'].id;
+      const bExpr1 = ctx['thing'];
+      let d1 = ctx['thing']['f'];
+      let d2 = [(ev) => { bExpr1['f'] = ev.target.checked; }];
+      c_block2[i1] = withKey(block3([d1, d2]), key1);
+    }
+    let b2 = list(c_block2);
+    return block1([], [b2]);
+  }
+}"
+`;
+
+exports[`t-model directive in a t-foreach, part 2 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    ctx = Object.create(ctx);
+    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state']);
+    for (let i1 = 0; i1 < l_block2; i1++) {
+      ctx[\`thing\`] = v_block2[i1];
+      ctx[\`thing_index\`] = i1;
+      let key1 = ctx['thing_index'];
+      const bExpr1 = ctx['state'];
+      let d1 = ctx['state'][ctx['thing_index']];
+      let d2 = [(ev) => { bExpr1[ctx['thing_index']] = ev.target.value; }];
+      c_block2[i1] = withKey(block3([d1, d2]), key1);
+    }
+    let b2 = list(c_block2);
+    return block1([], [b2]);
+  }
+}"
+`;
+
+exports[`t-model directive on a select 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><select block-attribute-0=\\"value\\" block-handler-1=\\"change\\"><option value=\\"\\">Please select one</option><option value=\\"red\\">Red</option><option value=\\"blue\\">Blue</option></select><span>Choice: <block-text-2/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['color'];
+    let d2 = [(ev) => { bExpr1['color'] = ev.target.value; }];
+    let d3 = ctx['state'].color;
+    return block1([d1, d2, d3]);
+  }
+}"
+`;
+
+exports[`t-model directive on a select, initial state 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><select block-attribute-0=\\"value\\" block-handler-1=\\"change\\"><option value=\\"\\">Please select one</option><option value=\\"red\\">Red</option><option value=\\"blue\\">Blue</option></select></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['color'];
+    let d2 = [(ev) => { bExpr1['color'] = ev.target.value; }];
+    return block1([d1, d2]);
+  }
+}"
+`;
+
+exports[`t-model directive on a sub state key 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'].something;
+    let d1 = ctx['state'].something['text'];
+    let d2 = [(ev) => { bExpr1['text'] = ev.target.value; }];
+    let d3 = ctx['state'].something.text;
+    return block1([d1, d2, d3]);
+  }
+}"
+`;
+
+exports[`t-model directive on an input type=radio 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input type=\\"radio\\" id=\\"one\\" value=\\"One\\" block-attribute-0=\\"checked\\" block-handler-1=\\"click\\"/><input type=\\"radio\\" id=\\"two\\" value=\\"Two\\" block-attribute-2=\\"checked\\" block-handler-3=\\"click\\"/><span>Choice: <block-text-4/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['choice'] === 'One';
+    let d2 = [(ev) => { bExpr1['choice'] = ev.target.value; }];
+    const bExpr2 = ctx['state'];
+    let d3 = ctx['state']['choice'] === 'Two';
+    let d4 = [(ev) => { bExpr2['choice'] = ev.target.value; }];
+    let d5 = ctx['state'].choice;
+    return block1([d1, d2, d3, d4, d5]);
+  }
+}"
+`;
+
+exports[`t-model directive on an input type=radio, with initial value 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input type=\\"radio\\" id=\\"one\\" value=\\"One\\" block-attribute-0=\\"checked\\" block-handler-1=\\"click\\"/><input type=\\"radio\\" id=\\"two\\" value=\\"Two\\" block-attribute-2=\\"checked\\" block-handler-3=\\"click\\"/></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['choice'] === 'One';
+    let d2 = [(ev) => { bExpr1['choice'] = ev.target.value; }];
+    const bExpr2 = ctx['state'];
+    let d3 = ctx['state']['choice'] === 'Two';
+    let d4 = [(ev) => { bExpr2['choice'] = ev.target.value; }];
+    return block1([d1, d2, d3, d4]);
+  }
+}"
+`;
+
+exports[`t-model directive on an input, type=checkbox 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><input type=\\"checkbox\\" block-attribute-0=\\"checked\\" block-handler-1=\\"input\\"/><span><block-child-0/><block-child-1/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2,b3;
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['flag'];
+    let d2 = [(ev) => { bExpr1['flag'] = ev.target.checked; }];
+    if (ctx['state'].flag) {
+      b2 = text(\`yes\`);
+    } else {
+      b3 = text(\`no\`);
+    }
+    return block1([d1, d2], [b2, b3]);
+  }
+}"
+`;
+
+exports[`t-model directive on an textarea 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><textarea block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const bExpr1 = ctx['state'];
+    let d1 = ctx['state']['text'];
+    let d2 = [(ev) => { bExpr1['text'] = ev.target.value; }];
+    let d3 = ctx['state'].text;
+    return block1([d1, d2, d3]);
+  }
+}"
+`;
+
+exports[`t-model directive two inputs in a div alternating with a t-if 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
+  
+  let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
+  let block2 = createBlock(\`<input class=\\"a\\" block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
+  let block3 = createBlock(\`<input class=\\"b\\" block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2,b3;
+    if (ctx['state'].flag) {
+      const bExpr1 = ctx['state'];
+      let d1 = ctx['state']['text1'];
+      let d2 = [(ev) => { bExpr1['text1'] = ev.target.value; }];
+      b2 = block2([d1, d2]);
+    }
+    if (!ctx['state'].flag) {
+      const bExpr2 = ctx['state'];
+      let d3 = ctx['state']['text2'];
+      let d4 = [(ev) => { bExpr2['text2'] = ev.target.value; }];
+      b3 = block3([d3, d4]);
+    }
+    return block1([], [b2, b3]);
+  }
+}"
+`;
diff --git a/tests/components/__snapshots__/t_on.test.ts.snap b/tests/components/__snapshots__/t_on.test.ts.snap
index 312a68cf..ce02e7ad 100644
--- a/tests/components/__snapshots__/t_on.test.ts.snap
+++ b/tests/components/__snapshots__/t_on.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-on t-on expression captured in t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<div><button block-handler-0=\\"click\\">expr</button></div>\`);
@@ -34,7 +34,7 @@ exports[`t-on t-on expression in t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<div><block-text-0/>: <block-text-1/><button block-handler-2=\\"click\\">Expr</button></div>\`);
@@ -63,7 +63,7 @@ exports[`t-on t-on expression in t-foreach with t-set 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<div><block-text-0/>: <block-text-1/><button block-handler-2=\\"click\\">Expr</button></div>\`);
@@ -97,7 +97,7 @@ exports[`t-on t-on method call in t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<div><block-text-0/>: <block-text-1/><button block-handler-2=\\"click\\">meth call</button></div>\`);
@@ -125,7 +125,7 @@ exports[`t-on t-on on destroyed components 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-handler-0=\\"click\\"/>\`);
   
@@ -140,7 +140,7 @@ exports[`t-on t-on on destroyed components 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
diff --git a/tests/components/__snapshots__/t_props.test.ts.snap b/tests/components/__snapshots__/t_props.test.ts.snap
index 6edb0a9a..81507e34 100644
--- a/tests/components/__snapshots__/t_props.test.ts.snap
+++ b/tests/components/__snapshots__/t_props.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-props t-props and other props 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
   
@@ -20,7 +20,7 @@ exports[`t-props t-props and other props 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><div><block-child-0/></div></div>\`);
   
@@ -35,7 +35,7 @@ exports[`t-props t-props only 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -50,7 +50,7 @@ exports[`t-props t-props only 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><div><block-child-0/></div></div>\`);
   
diff --git a/tests/components/__snapshots__/t_set.test.ts.snap b/tests/components/__snapshots__/t_set.test.ts.snap
index b4ca3c16..04af8190 100644
--- a/tests/components/__snapshots__/t_set.test.ts.snap
+++ b/tests/components/__snapshots__/t_set.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-set slot setted value (with t-set) not accessible with t-esc 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
   
@@ -23,7 +23,7 @@ exports[`t-set slot setted value (with t-set) not accessible with t-esc 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/><p><block-text-1/></p></div>\`);
@@ -49,7 +49,7 @@ exports[`t-set t-set can't alter component even if key in component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><p><block-text-0/></p><p><block-text-1/></p></div>\`);
   
@@ -68,7 +68,7 @@ exports[`t-set t-set can't alter component if key not in component 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><p><block-text-0/></p><p><block-text-1/></p></div>\`);
   
@@ -87,7 +87,7 @@ exports[`t-set t-set in t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-child-0/><p><block-text-0/></p></div>\`);
   
@@ -112,7 +112,7 @@ exports[`t-set t-set not altered by child comp 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
   
@@ -131,7 +131,7 @@ exports[`t-set t-set not altered by child comp 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/><p><block-text-1/></p></div>\`);
   
@@ -151,7 +151,7 @@ exports[`t-set t-set outside modified in t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-child-0/><p><block-text-0/></p></div>\`);
   
diff --git a/tests/components/t_model.test.ts b/tests/components/t_model.test.ts
index 88d2dbf8..0e1d8014 100644
--- a/tests/components/t_model.test.ts
+++ b/tests/components/t_model.test.ts
@@ -10,7 +10,7 @@ beforeEach(() => {
   fixture = makeTestFixture();
 });
 
-describe.skip("t-model directive", () => {
+describe("t-model directive", () => {
   test("basic use, on an input", async () => {
     class SomeComponent extends Component {
       static template = xml`
@@ -113,7 +113,7 @@ describe.skip("t-model directive", () => {
 
   test("on an textarea", async () => {
     class SomeComponent extends Component {
-      static template = xml`<div">
+      static template = xml`<div>
             <textarea t-model="state.text"/>
             <span><t t-esc="state.text"/></span>
         </div>`;
@@ -161,6 +161,24 @@ describe.skip("t-model directive", () => {
     );
   });
 
+  test("on an input type=radio, with initial value", async () => {
+    class SomeComponent extends Component {
+      static template = xml`<div>
+            <input type="radio" id="one" value="One" t-model="state.choice"/>
+            <input type="radio" id="two" value="Two" t-model="state.choice"/>
+        </div>`;
+      state = useState({ choice: "Two" });
+    }
+    await mount(SomeComponent, fixture);
+
+    expect(fixture.innerHTML).toBe(
+      '<div><input type="radio" id="one" value="One"><input type="radio" id="two" value="Two"></div>'
+    );
+
+    const secondInput = fixture.querySelectorAll("input")[1];
+    expect(secondInput.checked).toBe(true);
+  });
+
   test("on a select", async () => {
     class SomeComponent extends Component {
       static template = xml`<div>
@@ -257,7 +275,7 @@ describe.skip("t-model directive", () => {
   test(".trim modifier", async () => {
     class SomeComponent extends Component {
       static template = xml`
-        <div t-name="SomeComponent">
+        <div>
           <input t-model.trim="state.text"/>
           <span><t t-esc="state.text"/></span>
         </div>
@@ -338,28 +356,101 @@ describe.skip("t-model directive", () => {
     expect(comp.state).toEqual(["zuko", "iroh"]);
 
     const input = fixture.querySelectorAll("input")[1]!;
-    input.value = "uncle iroh";
-    input.dispatchEvent(new Event("input"));
+    await editInput(input, "uncle iroh");
     expect(comp.state).toEqual(["zuko", "uncle iroh"]);
   });
 
-  test("two inputs in a div with a t-key", async () => {
+  test("two inputs in a div alternating with a t-if", async () => {
     class SomeComponent extends Component {
       static template = xml`
-        <div t-key="'key'">
-          <input class="a" t-if="state.flag"/>
-          <input class="b" t-if="!state.flag"/>
+        <div>
+          <input class="a" t-if="state.flag" t-model="state.text1"/>
+          <input class="b" t-if="!state.flag" t-model="state.text2"/>
         </div>
       `;
-      state = useState({ flag: true });
+      state = useState({ flag: true, text1: "", text2: "" });
     }
     const comp = await mount(SomeComponent, fixture);
+
     expect(fixture.innerHTML).toBe('<div><input class="a"></div>');
-    fixture.querySelector("input")!.value = "asdf";
-    expect(fixture.querySelector("input")!.value).toBe("asdf");
+    let input = fixture.querySelector("input")!;
+    expect(input.value).toBe("");
+    await editInput(input, "Jean-Luc");
+    expect(comp.state.text1).toBe("Jean-Luc");
+
     comp.state.flag = false;
     await nextTick();
+
     expect(fixture.innerHTML).toBe('<div><input class="b"></div>');
-    expect(fixture.querySelector("input")!.value).toBe("");
+    input = fixture.querySelector("input")!;
+    expect(input.value).toBe("");
+    await editInput(input, "Picard");
+    expect(comp.state.text2).toBe("Picard");
+  });
+
+  test("following a scope protecting directive (e.g. t-set)", async () => {
+    class SomeComponent extends Component {
+      static template = xml`
+        <div>
+          <t t-set="admiral" t-value="'Bruno'"/>
+          <input t-model="state['text']"/>
+        </div>
+      `;
+      state = useState({ text: "Jean-Luc Picard" });
+    }
+    const comp = await mount(SomeComponent, fixture);
+    expect(fixture.innerHTML).toBe("<div><input></div>");
+    const input = fixture.querySelector("input")!;
+    expect(input.value).toBe("Jean-Luc Picard");
+    await editInput(input, "Commander Data");
+    expect(comp.state.text).toBe("Commander Data");
+  });
+
+  test("throws when conflicting with t-on directive, part 1", async () => {
+    class SomeComponent extends Component {
+      static template = xml`<div><input t-model="state['text']" t-on-input="() => {}"/></div>`;
+      state = useState({ text: "" });
+    }
+    let error;
+    try {
+      await mount(SomeComponent, fixture);
+    } catch (e) {
+      error = e;
+    }
+    expect(error.message).toBe(
+      "Conflicting t-model and t-on-input directives on event type: input"
+    );
+  });
+
+  test("throws when conflicting with t-on directive, part 2", async () => {
+    class SomeComponent extends Component {
+      static template = xml`<div><input t-model.lazy="state['text']" t-on-change="() => {}"/></div>`;
+      state = useState({ text: "" });
+    }
+    let error;
+    try {
+      await mount(SomeComponent, fixture);
+    } catch (e) {
+      error = e;
+    }
+    expect(error.message).toBe(
+      "Conflicting t-model and t-on-change directives on event type: change"
+    );
+  });
+
+  test("throws when conflicting with t-on directive, part 3", async () => {
+    class SomeComponent extends Component {
+      static template = xml`<div><input type="radio" t-model="state['text']" t-on-click="() => {}"/></div>`;
+      state = useState({ text: "" });
+    }
+    let error;
+    try {
+      await mount(SomeComponent, fixture);
+    } catch (e) {
+      error = e;
+    }
+    expect(error.message).toBe(
+      "Conflicting t-model and t-on-click directives on event type: click"
+    );
   });
 });
diff --git a/tests/misc/__snapshots__/memo.test.ts.snap b/tests/misc/__snapshots__/memo.test.ts.snap
index 2ec3190f..9fc8f0c4 100644
--- a/tests/misc/__snapshots__/memo.test.ts.snap
+++ b/tests/misc/__snapshots__/memo.test.ts.snap
@@ -4,7 +4,7 @@ exports[`Memo if no prop change, prevent renderings from above  1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(ctx['props'].value);
@@ -16,7 +16,7 @@ exports[`Memo if no prop change, prevent renderings from above  2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot2 = ctx => (node, key) => {
@@ -40,7 +40,7 @@ exports[`Memo if no props, prevent renderings from above  1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(ctx['props'].value);
@@ -52,7 +52,7 @@ exports[`Memo if no props, prevent renderings from above  2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot3 = ctx => (node, key) => {
@@ -71,7 +71,7 @@ exports[`Memo if no props, prevent renderings from above (work with simple html)
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot2 = ctx => (node, key) => {
diff --git a/tests/misc/__snapshots__/portal.test.ts.snap b/tests/misc/__snapshots__/portal.test.ts.snap
index b9c24003..b7dfa754 100644
--- a/tests/misc/__snapshots__/portal.test.ts.snap
+++ b/tests/misc/__snapshots__/portal.test.ts.snap
@@ -4,7 +4,7 @@ exports[`Portal Portal composed with t-slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-handler-0=\\"custom\\"><span id=\\"childSpan\\">child2</span></div>\`);
   
@@ -19,7 +19,7 @@ exports[`Portal Portal composed with t-slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   const slot2 = ctx => (node, key) => {
@@ -36,7 +36,7 @@ exports[`Portal Portal composed with t-slot 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -56,7 +56,7 @@ exports[`Portal basic use of portal 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><span>1</span><block-child-0/></div>\`);
@@ -77,7 +77,7 @@ exports[`Portal conditional use of Portal (with sub Component) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
   
@@ -92,7 +92,7 @@ exports[`Portal conditional use of Portal (with sub Component) 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block2 = createBlock(\`<span>1</span>\`);
@@ -116,7 +116,7 @@ exports[`Portal conditional use of Portal 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block2 = createBlock(\`<span>1</span>\`);
@@ -141,7 +141,7 @@ exports[`Portal lifecycle hooks of portal sub component are properly called 1`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -156,7 +156,7 @@ exports[`Portal lifecycle hooks of portal sub component are properly called 2`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -179,7 +179,7 @@ exports[`Portal portal could have dynamically no content 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -205,7 +205,7 @@ exports[`Portal portal destroys on crash 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -220,7 +220,7 @@ exports[`Portal portal destroys on crash 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -240,7 +240,7 @@ exports[`Portal portal with child and props 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -255,7 +255,7 @@ exports[`Portal portal with child and props 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -275,7 +275,7 @@ exports[`Portal portal with dynamic body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -304,7 +304,7 @@ exports[`Portal portal with many children 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -328,7 +328,7 @@ exports[`Portal portal with no content 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -352,7 +352,7 @@ exports[`Portal portal with only text as content 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -393,7 +393,7 @@ exports[`Portal portal's parent's env is not polluted 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button>child</button>\`);
   
@@ -407,7 +407,7 @@ exports[`Portal portal's parent's env is not polluted 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -427,7 +427,7 @@ exports[`Portal with target in template (after portal) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><span>1</span><block-child-0/><div id=\\"local-target\\"/></div>\`);
@@ -448,7 +448,7 @@ exports[`Portal with target in template (before portal) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><div id=\\"local-target\\"/><span>1</span><block-child-0/></div>\`);
@@ -469,7 +469,7 @@ exports[`Portal: UI/UX focus is kept across re-renders 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<input id=\\"target-me\\" block-attribute-0=\\"placeholder\\"/>\`);
   
@@ -484,7 +484,7 @@ exports[`Portal: UI/UX focus is kept across re-renders 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
diff --git a/tests/qweb/__snapshots__/attributes.test.ts.snap b/tests/qweb/__snapshots__/attributes.test.ts.snap
index 7886548e..343636c1 100644
--- a/tests/qweb/__snapshots__/attributes.test.ts.snap
+++ b/tests/qweb/__snapshots__/attributes.test.ts.snap
@@ -4,7 +4,7 @@ exports[`attributes changing a class with t-att-class (preexisting class 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"hoy\\" block-attribute-0=\\"class\\"/>\`);
   
@@ -19,7 +19,7 @@ exports[`attributes changing a class with t-att-class 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -34,7 +34,7 @@ exports[`attributes changing an attribute with t-att- 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"value\\"/>\`);
   
@@ -49,7 +49,7 @@ exports[`attributes class and t-att-class should combine together 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\" class=\\"hello\\"/>\`);
   
@@ -64,7 +64,7 @@ exports[`attributes class and t-attf-class with ternary operation 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"hello\\" block-attribute-0=\\"class\\"/>\`);
   
@@ -79,7 +79,7 @@ exports[`attributes dynamic attribute evaluating to 0 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
   
@@ -94,7 +94,7 @@ exports[`attributes dynamic attribute falsy variable  1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
   
@@ -109,7 +109,7 @@ exports[`attributes dynamic attribute with a dash 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"data-action-id\\"/>\`);
   
@@ -124,7 +124,7 @@ exports[`attributes dynamic attributes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
   
@@ -139,7 +139,7 @@ exports[`attributes dynamic class attribute 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -154,7 +154,7 @@ exports[`attributes dynamic class attribute evaluating to 0 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -169,7 +169,7 @@ exports[`attributes dynamic empty class attribute 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -184,7 +184,7 @@ exports[`attributes dynamic formatted attributes with a dash 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"aria-label\\"/>\`);
   
@@ -199,7 +199,7 @@ exports[`attributes fixed variable 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
   
@@ -214,7 +214,7 @@ exports[`attributes format expression 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
   
@@ -229,7 +229,7 @@ exports[`attributes format literal 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
   
@@ -244,7 +244,7 @@ exports[`attributes format multiple 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
   
@@ -259,7 +259,7 @@ exports[`attributes format value 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
   
@@ -274,7 +274,7 @@ exports[`attributes from object variables set previously 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><span block-attribute-0=\\"class\\"/></div>\`);
   
@@ -292,7 +292,7 @@ exports[`attributes from variables set previously (no external node) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span block-attribute-0=\\"class\\"/>\`);
   
@@ -310,7 +310,7 @@ exports[`attributes from variables set previously 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><span block-attribute-0=\\"class\\"/></div>\`);
   
@@ -328,7 +328,7 @@ exports[`attributes object 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attributes=\\"0\\"/>\`);
   
@@ -343,7 +343,7 @@ exports[`attributes static attributes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div foo=\\"a\\" bar=\\"b\\" baz=\\"c\\"/>\`);
   
@@ -357,7 +357,7 @@ exports[`attributes static attributes on void elements 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<img src=\\"/test.skip.jpg\\" alt=\\"Test\\"/>\`);
   
@@ -371,7 +371,7 @@ exports[`attributes static attributes with dashes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div aria-label=\\"Close\\"/>\`);
   
@@ -385,7 +385,7 @@ exports[`attributes t-att-class and class should combine together 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"hello\\" block-attribute-0=\\"class\\"/>\`);
   
@@ -400,7 +400,7 @@ exports[`attributes t-att-class with multiple classes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -415,7 +415,7 @@ exports[`attributes t-att-class with multiple classes 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -430,7 +430,7 @@ exports[`attributes t-att-class with multiple classes, some of which are duplica
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -445,7 +445,7 @@ exports[`attributes t-att-class with object 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"static\\" block-attribute-0=\\"class\\"/>\`);
   
@@ -460,7 +460,7 @@ exports[`attributes t-attf-class 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -475,7 +475,7 @@ exports[`attributes t-attf-class should combine with class 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"hello\\" block-attribute-0=\\"class\\"/>\`);
   
@@ -490,7 +490,7 @@ exports[`attributes t-attf-class with multiple classes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -505,7 +505,7 @@ exports[`attributes t-attf-class with multiple classes separated by multiple spa
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
   
@@ -520,7 +520,7 @@ exports[`attributes tuple literal 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attributes=\\"0\\"/>\`);
   
@@ -535,7 +535,7 @@ exports[`attributes tuple variable 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attributes=\\"0\\"/>\`);
   
@@ -550,7 +550,7 @@ exports[`attributes two classes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"a b\\"/>\`);
   
@@ -564,7 +564,7 @@ exports[`attributes two dynamic attributes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\" block-attribute-1=\\"bar\\"/>\`);
   
@@ -580,7 +580,7 @@ exports[`attributes updating classes (with obj notation) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"hoy\\" block-attribute-0=\\"class\\"/>\`);
   
@@ -595,7 +595,7 @@ exports[`attributes various escapes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div foo=\\"&lt;foo\\" block-attribute-0=\\"bar\\" block-attribute-1=\\"baz\\" block-attributes=\\"2\\"/>\`);
   
@@ -612,7 +612,7 @@ exports[`attributes various escapes 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div> &lt; </div>\`);
   
@@ -626,7 +626,7 @@ exports[`special cases for some specific html attributes/properties input of typ
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<input type=\\"checkbox\\" block-attribute-0=\\"indeterminate\\"/>\`);
   
@@ -641,7 +641,7 @@ exports[`special cases for some specific html attributes/properties input type=
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<input type=\\"checkbox\\" block-attribute-0=\\"checked\\"/>\`);
   
@@ -656,7 +656,7 @@ exports[`special cases for some specific html attributes/properties input with t
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<input block-attribute-0=\\"value\\"/>\`);
   
@@ -671,7 +671,7 @@ exports[`special cases for some specific html attributes/properties various bool
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><input type=\\"checkbox\\" checked=\\"checked\\"/><input checked=\\"checked\\"/><div checked=\\"checked\\"/><div selected=\\"selected\\"/><option selected=\\"selected\\" other=\\"1\\"/><input readonly=\\"readonly\\"/><button disabled=\\"disabled\\"/></div>\`);
   
diff --git a/tests/qweb/__snapshots__/comments.test.ts.snap b/tests/qweb/__snapshots__/comments.test.ts.snap
index 5c7f2e05..b2dcf639 100644
--- a/tests/qweb/__snapshots__/comments.test.ts.snap
+++ b/tests/qweb/__snapshots__/comments.test.ts.snap
@@ -4,7 +4,7 @@ exports[`comments only a comment 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<!-- comment-->\`);
   
@@ -18,7 +18,7 @@ exports[`comments properly handle comments 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>hello <!-- comment-->owl</div>\`);
   
@@ -32,7 +32,7 @@ exports[`comments properly handle comments between t-if/t-else 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   let block2 = createBlock(\`<span>true</span>\`);
diff --git a/tests/qweb/__snapshots__/error_handling.test.ts.snap b/tests/qweb/__snapshots__/error_handling.test.ts.snap
index f364a41c..36441c26 100644
--- a/tests/qweb/__snapshots__/error_handling.test.ts.snap
+++ b/tests/qweb/__snapshots__/error_handling.test.ts.snap
@@ -4,7 +4,7 @@ exports[`error handling cannot add twice the same template 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
diff --git a/tests/qweb/__snapshots__/event_handling.test.ts.snap b/tests/qweb/__snapshots__/event_handling.test.ts.snap
index ed328a01..922e4646 100644
--- a/tests/qweb/__snapshots__/event_handling.test.ts.snap
+++ b/tests/qweb/__snapshots__/event_handling.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-on can bind event handler 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -19,7 +19,7 @@ exports[`t-on can bind handlers with arguments 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -35,7 +35,7 @@ exports[`t-on can bind handlers with empty  object 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -51,7 +51,7 @@ exports[`t-on can bind handlers with empty object (with non empty inner string)
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -67,7 +67,7 @@ exports[`t-on can bind handlers with empty object (with non empty inner string)
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<ul><block-child-0/></ul>\`);
   let block3 = createBlock(\`<li><a block-handler-0=\\"click\\">link</a></li>\`);
@@ -93,7 +93,7 @@ exports[`t-on can bind handlers with object arguments 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -109,7 +109,7 @@ exports[`t-on can bind two event handlers 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\" block-handler-1=\\"dblclick\\">Click</button>\`);
   
@@ -125,7 +125,7 @@ exports[`t-on handler is bound to proper owner 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -140,7 +140,7 @@ exports[`t-on handler is bound to proper owner, part 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block2 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -162,7 +162,7 @@ exports[`t-on handler is bound to proper owner, part 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -177,7 +177,7 @@ exports[`t-on handler is bound to proper owner, part 3 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   return function template(ctx, node, key = \\"\\") {
@@ -190,7 +190,7 @@ exports[`t-on handler is bound to proper owner, part 4 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -205,7 +205,7 @@ exports[`t-on handler is bound to proper owner, part 4 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   return function template(ctx, node, key = \\"\\") {
@@ -229,7 +229,7 @@ exports[`t-on receive event in first argument 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -244,7 +244,7 @@ exports[`t-on t-on modifiers (native listener) basic support for native listener
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"myClass\\" block-handler-0=\\"click\\"><button block-handler-1=\\"click\\">Button</button></div>\`);
   
@@ -260,7 +260,7 @@ exports[`t-on t-on modifiers (native listener) t-on combined with t-esc 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click\\"><block-text-1/></button></div>\`);
   
@@ -276,7 +276,7 @@ exports[`t-on t-on modifiers (native listener) t-on combined with t-raw 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click\\"><block-child-0/></button></div>\`);
   
@@ -292,7 +292,7 @@ exports[`t-on t-on modifiers (native listener) t-on with .capture modifier 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-handler-0=\\"click.capture\\"><button block-handler-1=\\"click\\">Button</button></div>\`);
   
@@ -308,7 +308,7 @@ exports[`t-on t-on modifiers (native listener) t-on with empty handler (only mod
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click.prevent\\">Button</button></div>\`);
   
@@ -323,7 +323,7 @@ exports[`t-on t-on modifiers (native listener) t-on with prevent and self modifi
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click.prevent.self\\"><span>Button</span></button></div>\`);
   
@@ -338,7 +338,7 @@ exports[`t-on t-on modifiers (native listener) t-on with prevent and/or stop mod
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click.prevent\\">Button 1</button><button block-handler-1=\\"click.stop\\">Button 2</button><button block-handler-2=\\"click.prevent.stop\\">Button 3</button></div>\`);
   
@@ -355,7 +355,7 @@ exports[`t-on t-on modifiers (native listener) t-on with prevent modifier in t-f
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<a href=\\"#\\" block-handler-0=\\"click.prevent\\"> Edit <block-text-1/></a>\`);
@@ -381,7 +381,7 @@ exports[`t-on t-on modifiers (native listener) t-on with self and prevent modifi
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click.self.prevent\\"><span>Button</span></button></div>\`);
   
@@ -396,7 +396,7 @@ exports[`t-on t-on modifiers (native listener) t-on with self modifier 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click\\"><span>Button</span></button><button block-handler-1=\\"click.self\\"><span>Button</span></button></div>\`);
   
@@ -412,7 +412,7 @@ exports[`t-on t-on modifiers (synthetic listener) basic support for synthetic 1`
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-handler-0=\\"click.synthetic\\"><button block-handler-1=\\"click.synthetic\\">Button</button></div>\`);
   
@@ -428,7 +428,7 @@ exports[`t-on t-on with inline statement (function call) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -444,7 +444,7 @@ exports[`t-on t-on with inline statement 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
@@ -460,7 +460,7 @@ exports[`t-on t-on with inline statement, part 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Toggle</button>\`);
   
@@ -476,7 +476,7 @@ exports[`t-on t-on with inline statement, part 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Toggle</button>\`);
   
@@ -493,7 +493,7 @@ exports[`t-on t-on with t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
   
@@ -508,7 +508,7 @@ exports[`t-on t-on with t-call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -524,7 +524,7 @@ exports[`t-on t-on, with arguments and t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
   
@@ -540,7 +540,7 @@ exports[`t-on t-on, with arguments and t-call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
diff --git a/tests/qweb/__snapshots__/misc.test.ts.snap b/tests/qweb/__snapshots__/misc.test.ts.snap
index d2a88b0f..729d1342 100644
--- a/tests/qweb/__snapshots__/misc.test.ts.snap
+++ b/tests/qweb/__snapshots__/misc.test.ts.snap
@@ -4,7 +4,7 @@ exports[`misc complex template 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"><div block-attribute-1=\\"class\\"><div class=\\"batch_header\\"><a block-attribute-2=\\"href\\" block-attribute-3=\\"class\\" title=\\"View Batch\\"><block-text-4/><block-child-0/><i class=\\"arrow fa fa-window-maximize\\"/></a></div><block-child-1/><div class=\\"batch_slots\\"><block-child-2/><block-child-3/></div><div class=\\"batch_commits\\"><block-child-4/></div></div></div>\`);
   let block2 = createBlock(\`<i class=\\"fa fa-exclamation-triangle\\"/>\`);
@@ -82,7 +82,7 @@ exports[`misc global 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<año block-attribute-0=\\"falló\\"><block-child-0/></año>\`);
   
@@ -98,7 +98,7 @@ exports[`misc global 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -113,7 +113,7 @@ exports[`misc global 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -129,7 +129,7 @@ exports[`misc global 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`_callee-uses-foo\`);
   const callTemplate_4 = getTemplate(\`_callee-uses-foo\`);
   const callTemplate_6 = getTemplate(\`_callee-uses-foo\`);
@@ -181,7 +181,7 @@ exports[`misc other complex template 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_3 = getTemplate(\`LOAD_INFOS_TEMPLATE\`);
   
   let block1 = createBlock(\`<div><header><nav class=\\"navbar navbar-expand-md navbar-light bg-light\\"><a block-attribute-0=\\"href\\"><b style=\\"color:#777;\\"><block-text-1/></b></a><button type=\\"button\\" class=\\"navbar-toggler\\" data-toggle=\\"collapse\\" data-target=\\"#top_menu_collapse\\"><span class=\\"navbar-toggler-icon\\"/></button><div class=\\"collapse navbar-collapse\\" id=\\"top_menu_collapse\\" aria-expanded=\\"false\\"><ul class=\\"nav navbar-nav ml-auto text-right\\" id=\\"top_menu\\"><block-child-0/><li class=\\"nav-item divider\\"/><block-child-1/></ul><div><div class=\\"input-group input-group-sm\\"><div class=\\"input-group-prepend input-group-sm\\"><button class=\\"btn btn-default fa fa-cog\\" title=\\"Settings\\" block-handler-2=\\"click\\"/><button class=\\"btn btn-default\\" block-handler-3=\\"click\\"> More </button><block-child-2/></div><input class=\\"form-control\\" type=\\"text\\" placeholder=\\"Search\\" aria-label=\\"Search\\" name=\\"search\\" block-attribute-4=\\"value\\" block-handler-5=\\"keyup\\" block-handler-6=\\"change\\" block-ref=\\"7\\"/><div class=\\"input-group-append\\"><button class=\\"btn btn-default fa fa-eraser\\" block-handler-8=\\"click\\"/></div></div></div></div></nav></header><div class=\\"container-fluid\\" block-ref=\\"9\\"><div class=\\"row\\"><!--div class=\\"form-group col-md-6\\">
diff --git a/tests/qweb/__snapshots__/qweb_memory.test.ts.snap b/tests/qweb/__snapshots__/qweb_memory.test.ts.snap
index a8881b07..cfc2e230 100644
--- a/tests/qweb/__snapshots__/qweb_memory.test.ts.snap
+++ b/tests/qweb/__snapshots__/qweb_memory.test.ts.snap
@@ -4,7 +4,7 @@ exports[`memory t-foreach does not leak stuff in global scope 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
   
diff --git a/tests/qweb/__snapshots__/simple_templates.test.ts.snap b/tests/qweb/__snapshots__/simple_templates.test.ts.snap
index 9f2f2f8f..931a325d 100644
--- a/tests/qweb/__snapshots__/simple_templates.test.ts.snap
+++ b/tests/qweb/__snapshots__/simple_templates.test.ts.snap
@@ -4,7 +4,7 @@ exports[`simple templates, mostly static can render a table row 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<tr><td>cell</td></tr>\`);
   
@@ -18,7 +18,7 @@ exports[`simple templates, mostly static div with a class attribute 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"abc\\">foo</div>\`);
   
@@ -32,7 +32,7 @@ exports[`simple templates, mostly static div with a class attribute with a quote
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div class=\\"a'bc\\">word</div>\`);
   
@@ -46,7 +46,7 @@ exports[`simple templates, mostly static div with a span child node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><span>word</span></div>\`);
   
@@ -60,7 +60,7 @@ exports[`simple templates, mostly static div with an arbitrary attribute with a
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div abc=\\"a'bc\\">word</div>\`);
   
@@ -74,7 +74,7 @@ exports[`simple templates, mostly static div with an empty class attribute 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>word</div>\`);
   
@@ -88,7 +88,7 @@ exports[`simple templates, mostly static div with content 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>foo</div>\`);
   
@@ -102,7 +102,7 @@ exports[`simple templates, mostly static dom node with t-esc 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -117,7 +117,7 @@ exports[`simple templates, mostly static dom node with t-esc 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -132,7 +132,7 @@ exports[`simple templates, mostly static dynamic text value 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(ctx['text']);
@@ -144,7 +144,7 @@ exports[`simple templates, mostly static empty div 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
@@ -158,7 +158,7 @@ exports[`simple templates, mostly static empty string 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`\`);
@@ -170,7 +170,7 @@ exports[`simple templates, mostly static empty string in a template set 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`\`);
@@ -182,7 +182,7 @@ exports[`simple templates, mostly static inline template string in t-esc 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`text\`);
@@ -194,7 +194,7 @@ exports[`simple templates, mostly static inline template string with content in
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -209,7 +209,7 @@ exports[`simple templates, mostly static inline template string with variable in
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`text \${ctx['v']}\`);
@@ -221,7 +221,7 @@ exports[`simple templates, mostly static multiple root nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block2 = createBlock(\`<div>foo</div>\`);
   let block3 = createBlock(\`<span>hey</span>\`);
@@ -238,7 +238,7 @@ exports[`simple templates, mostly static simple string 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`hello vdom\`);
@@ -250,7 +250,7 @@ exports[`simple templates, mostly static simple string in t tag 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`hello vdom\`);
@@ -262,7 +262,7 @@ exports[`simple templates, mostly static static text and dynamic text (no t tag)
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = text(\`hello \`);
@@ -276,7 +276,7 @@ exports[`simple templates, mostly static static text and dynamic text 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = text(\`hello \`);
@@ -290,7 +290,7 @@ exports[`simple templates, mostly static t-esc in dom node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -305,7 +305,7 @@ exports[`simple templates, mostly static t-esc in dom node, variations 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>hello <block-text-0/></div>\`);
   
@@ -320,7 +320,7 @@ exports[`simple templates, mostly static t-esc in dom node, variations 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>hello <block-text-0/> world</div>\`);
   
@@ -335,7 +335,7 @@ exports[`simple templates, mostly static two t-escs next to each other 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = text(ctx['text1']);
@@ -349,7 +349,7 @@ exports[`simple templates, mostly static two t-escs next to each other 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = text(ctx['text1']);
@@ -363,7 +363,7 @@ exports[`simple templates, mostly static two t-escs next to each other, in a div
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
   
diff --git a/tests/qweb/__snapshots__/t_call.test.ts.snap b/tests/qweb/__snapshots__/t_call.test.ts.snap
index 427bc495..2dd1c6b2 100644
--- a/tests/qweb/__snapshots__/t_call.test.ts.snap
+++ b/tests/qweb/__snapshots__/t_call.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-call (template calling) basic caller 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>ok</span>\`);
   
@@ -18,7 +18,7 @@ exports[`t-call (template calling) basic caller 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`_basic-callee\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -34,7 +34,7 @@ exports[`t-call (template calling) basic caller, no parent node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>ok</span>\`);
   
@@ -48,7 +48,7 @@ exports[`t-call (template calling) basic caller, no parent node 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`_basic-callee\`);
   
   return function template(ctx, node, key = \\"\\") {
@@ -61,7 +61,7 @@ exports[`t-call (template calling) call with several sub nodes on same line 1`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -76,7 +76,7 @@ exports[`t-call (template calling) call with several sub nodes on same line 2`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -101,7 +101,7 @@ exports[`t-call (template calling) cascading t-call t-raw='0' 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><span>cascade 2</span><block-child-0/></div>\`);
   
@@ -116,7 +116,7 @@ exports[`t-call (template calling) cascading t-call t-raw='0' 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`finalTemplate\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -139,7 +139,7 @@ exports[`t-call (template calling) cascading t-call t-raw='0' 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`subSubTemplate\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -162,7 +162,7 @@ exports[`t-call (template calling) cascading t-call t-raw='0' 4`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`subTemplate\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -187,7 +187,7 @@ exports[`t-call (template calling) cascading t-call t-raw='0', without external
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block2 = createBlock(\`<span>cascade 2</span>\`);
   
@@ -203,7 +203,7 @@ exports[`t-call (template calling) cascading t-call t-raw='0', without external
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`finalTemplate\`);
   
   let block2 = createBlock(\`<span>cascade 1</span>\`);
@@ -224,7 +224,7 @@ exports[`t-call (template calling) cascading t-call t-raw='0', without external
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`subSubTemplate\`);
   
   let block2 = createBlock(\`<span>cascade 0</span>\`);
@@ -245,7 +245,7 @@ exports[`t-call (template calling) cascading t-call t-raw='0', without external
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`subTemplate\`);
   
   let block2 = createBlock(\`<span>hey</span>\`);
@@ -268,7 +268,7 @@ exports[`t-call (template calling) dynamic t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<foo><block-text-0/></foo>\`);
   
@@ -283,7 +283,7 @@ exports[`t-call (template calling) dynamic t-call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<bar><block-text-0/></bar>\`);
   
@@ -298,7 +298,7 @@ exports[`t-call (template calling) dynamic t-call 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -314,7 +314,7 @@ exports[`t-call (template calling) inherit context 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(ctx['foo']);
@@ -326,7 +326,7 @@ exports[`t-call (template calling) inherit context 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -345,7 +345,7 @@ exports[`t-call (template calling) recursive template, part 1 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`recursive\`);
   
   let block1 = createBlock(\`<div><span>hey</span><block-child-0/></div>\`);
@@ -364,7 +364,7 @@ exports[`t-call (template calling) recursive template, part 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`nodeTemplate\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -385,7 +385,7 @@ exports[`t-call (template calling) recursive template, part 2 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`nodeTemplate\`);
   
   let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/></div>\`);
@@ -419,7 +419,7 @@ exports[`t-call (template calling) recursive template, part 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`nodeTemplate\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -440,7 +440,7 @@ exports[`t-call (template calling) recursive template, part 3 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`nodeTemplate\`);
   
   let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/></div>\`);
@@ -474,7 +474,7 @@ exports[`t-call (template calling) recursive template, part 4: with t-set recurs
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`nodeTemplate\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -496,7 +496,7 @@ exports[`t-call (template calling) recursive template, part 4: with t-set recurs
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`nodeTemplate\`);
   
   let block1 = createBlock(\`<div><p><block-text-0/> <block-text-1/></p><block-child-0/></div>\`);
@@ -532,7 +532,7 @@ exports[`t-call (template calling) scoped parameters 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(\`ok\`);
@@ -544,7 +544,7 @@ exports[`t-call (template calling) scoped parameters 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/><block-text-0/></div>\`);
@@ -567,7 +567,7 @@ exports[`t-call (template calling) scoped parameters, part 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(ctx['foo']);
@@ -579,7 +579,7 @@ exports[`t-call (template calling) scoped parameters, part 2 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/><block-text-0/></div>\`);
@@ -603,7 +603,7 @@ exports[`t-call (template calling) t-call allowed on a non t node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -619,7 +619,7 @@ exports[`t-call (template calling) t-call allowed on a non t node 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>ok</span>\`);
   
@@ -633,7 +633,7 @@ exports[`t-call (template calling) t-call with body content as root of a templat
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<foo><block-child-0/></foo>\`);
   
@@ -648,7 +648,7 @@ exports[`t-call (template calling) t-call with body content as root of a templat
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`antony\`);
   
   let block1 = createBlock(\`<p>antony</p>\`);
@@ -667,7 +667,7 @@ exports[`t-call (template calling) t-call with t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -686,7 +686,7 @@ exports[`t-call (template calling) t-call with t-if 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span>ok</span>\`);
   
@@ -700,7 +700,7 @@ exports[`t-call (template calling) t-call with t-set inside and body text conten
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -721,7 +721,7 @@ exports[`t-call (template calling) t-call with t-set inside and body text conten
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
   
@@ -736,7 +736,7 @@ exports[`t-call (template calling) t-call with t-set inside and outside 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -770,7 +770,7 @@ exports[`t-call (template calling) t-call with t-set inside and outside 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -785,7 +785,7 @@ exports[`t-call (template calling) t-call with t-set inside and outside. 2 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -819,7 +819,7 @@ exports[`t-call (template calling) t-call with t-set inside and outside. 2 2`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block2 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -836,7 +836,7 @@ exports[`t-call (template calling) t-call with t-set inside and outside. 2 3`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`main\`);
   
   let block1 = createBlock(\`<p><block-child-0/></p>\`);
@@ -855,7 +855,7 @@ exports[`t-call (template calling) t-call, conditional and t-set in t-call body
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>callee1</div>\`);
   
@@ -869,7 +869,7 @@ exports[`t-call (template calling) t-call, conditional and t-set in t-call body
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>callee2 <block-text-0/></div>\`);
   
@@ -884,7 +884,7 @@ exports[`t-call (template calling) t-call, conditional and t-set in t-call body
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`callee1\`);
   const callTemplate_4 = getTemplate(\`callee2\`);
   
@@ -913,7 +913,7 @@ exports[`t-call (template calling) t-esc inside t-call, with t-set outside 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -932,7 +932,7 @@ exports[`t-call (template calling) t-esc inside t-call, with t-set outside 2`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -947,7 +947,7 @@ exports[`t-call (template calling) with unused body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>ok</div>\`);
   
@@ -961,7 +961,7 @@ exports[`t-call (template calling) with unused body 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   return function template(ctx, node, key = \\"\\") {
@@ -978,7 +978,7 @@ exports[`t-call (template calling) with unused setbody 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>ok</div>\`);
   
@@ -992,7 +992,7 @@ exports[`t-call (template calling) with unused setbody 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   return function template(ctx, node, key = \\"\\") {
@@ -1010,7 +1010,7 @@ exports[`t-call (template calling) with used body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<h1><block-text-0/></h1>\`);
   
@@ -1025,7 +1025,7 @@ exports[`t-call (template calling) with used body 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   return function template(ctx, node, key = \\"\\") {
@@ -1042,7 +1042,7 @@ exports[`t-call (template calling) with used setbody 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return text(ctx['foo']);
@@ -1054,7 +1054,7 @@ exports[`t-call (template calling) with used setbody 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
diff --git a/tests/qweb/__snapshots__/t_debug_log.test.ts.snap b/tests/qweb/__snapshots__/t_debug_log.test.ts.snap
index c43d5a6e..8b26bff0 100644
--- a/tests/qweb/__snapshots__/t_debug_log.test.ts.snap
+++ b/tests/qweb/__snapshots__/t_debug_log.test.ts.snap
@@ -4,7 +4,7 @@ exports[`debugging t-debug 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<span>hey</span>\`);
@@ -25,7 +25,7 @@ exports[`debugging t-debug on sub template 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<p>coucou</p>\`);
   
@@ -40,7 +40,7 @@ exports[`debugging t-debug on sub template 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -56,7 +56,7 @@ exports[`debugging t-log 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div/>\`);
   
diff --git a/tests/qweb/__snapshots__/t_esc.test.ts.snap b/tests/qweb/__snapshots__/t_esc.test.ts.snap
index 1e6bae99..ebafa413 100644
--- a/tests/qweb/__snapshots__/t_esc.test.ts.snap
+++ b/tests/qweb/__snapshots__/t_esc.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-esc div with falsy values 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><p><block-text-0/></p><p><block-text-1/></p><p><block-text-2/></p><p><block-text-3/></p><p><block-text-4/></p></div>\`);
   
@@ -23,7 +23,7 @@ exports[`t-esc escaping 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -38,7 +38,7 @@ exports[`t-esc escaping on a node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -53,7 +53,7 @@ exports[`t-esc escaping on a node with a body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -68,7 +68,7 @@ exports[`t-esc escaping on a node with a body, as a default 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -83,7 +83,7 @@ exports[`t-esc falsy values in text nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = text(ctx['v1']);
@@ -104,7 +104,7 @@ exports[`t-esc literal 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -119,7 +119,7 @@ exports[`t-esc t-esc is escaped 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   let block2 = createBlock(\`<p>escaped</p>\`);
@@ -139,7 +139,7 @@ exports[`t-esc t-esc work with spread operator 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -154,7 +154,7 @@ exports[`t-esc t-esc=0 is escaped 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -169,7 +169,7 @@ exports[`t-esc t-esc=0 is escaped 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -190,7 +190,7 @@ exports[`t-esc variable 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
   
diff --git a/tests/qweb/__snapshots__/t_foreach.test.ts.snap b/tests/qweb/__snapshots__/t_foreach.test.ts.snap
index ea1363c9..2b9356fc 100644
--- a/tests/qweb/__snapshots__/t_foreach.test.ts.snap
+++ b/tests/qweb/__snapshots__/t_foreach.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-foreach does not pollute the rendering context 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -26,7 +26,7 @@ exports[`t-foreach iterate on items (on a element node) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<span><block-text-0/></span>\`);
@@ -50,7 +50,7 @@ exports[`t-foreach iterate on items 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -81,7 +81,7 @@ exports[`t-foreach iterate, dict param 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -112,7 +112,7 @@ exports[`t-foreach iterate, position 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -148,7 +148,7 @@ exports[`t-foreach simple iteration (in a node) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -170,7 +170,7 @@ exports[`t-foreach simple iteration 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -189,7 +189,7 @@ exports[`t-foreach simple iteration with two nodes inside 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block3 = createBlock(\`<span>a<block-text-0/></span>\`);
   let block4 = createBlock(\`<span>b<block-text-0/></span>\`);
@@ -215,7 +215,7 @@ exports[`t-foreach t-call with body in t-foreach in t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = text(\` [\`);
@@ -234,7 +234,7 @@ exports[`t-foreach t-call with body in t-foreach in t-foreach 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/><span>[<block-text-0/>][<block-text-1/>][<block-text-2/>]</span></div>\`);
@@ -287,7 +287,7 @@ exports[`t-foreach t-call without body in t-foreach in t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -309,7 +309,7 @@ exports[`t-foreach t-call without body in t-foreach in t-foreach 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/><span>[<block-text-0/>][<block-text-1/>][<block-text-2/>]</span></div>\`);
@@ -356,7 +356,7 @@ exports[`t-foreach t-foreach in t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -390,7 +390,7 @@ exports[`t-foreach t-foreach with t-if inside (no external node) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block3 = createBlock(\`<span><block-text-0/></span>\`);
   
@@ -416,7 +416,7 @@ exports[`t-foreach t-foreach with t-if inside 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block4 = createBlock(\`<span><block-text-0/></span>\`);
@@ -444,7 +444,7 @@ exports[`t-foreach t-key on t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<span/>\`);
@@ -467,7 +467,7 @@ exports[`t-foreach throws error if invalid loop expression 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<span/>\`);
@@ -491,7 +491,7 @@ exports[`t-foreach with t-memo 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   let assign = Object.assign;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
diff --git a/tests/qweb/__snapshots__/t_if.test.ts.snap b/tests/qweb/__snapshots__/t_if.test.ts.snap
index 4e475542..05607488 100644
--- a/tests/qweb/__snapshots__/t_if.test.ts.snap
+++ b/tests/qweb/__snapshots__/t_if.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-if a t-if next to a div 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block2 = createBlock(\`<div>foo</div>\`);
   
@@ -23,7 +23,7 @@ exports[`t-if a t-if with two inner nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block3 = createBlock(\`<span>yip</span>\`);
   let block4 = createBlock(\`<div>yip</div>\`);
@@ -44,7 +44,7 @@ exports[`t-if boolean value condition elif (no outside node) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2,b3,b4,b5;
@@ -66,7 +66,7 @@ exports[`t-if boolean value condition elif 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/><block-child-2/><block-child-3/></div>\`);
   
@@ -90,7 +90,7 @@ exports[`t-if boolean value condition else 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><span>begin</span><block-child-0/><block-child-1/><span>end</span></div>\`);
   
@@ -110,7 +110,7 @@ exports[`t-if boolean value condition false else 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><span>begin</span><block-child-0/><block-child-1/><span>end</span></div>\`);
   
@@ -130,7 +130,7 @@ exports[`t-if boolean value condition missing 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -148,7 +148,7 @@ exports[`t-if can use some boolean operators in expressions 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/><block-child-2/><block-child-3/><block-child-4/><block-child-5/><block-child-6/><block-child-7/></div>\`);
   
@@ -187,7 +187,7 @@ exports[`t-if div containing a t-if with two inner nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<span>yip</span>\`);
@@ -209,7 +209,7 @@ exports[`t-if dynamic content after t-if with two children nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-text-0/></div>\`);
   let block3 = createBlock(\`<p>1</p>\`);
@@ -232,7 +232,7 @@ exports[`t-if just a t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2;
@@ -248,7 +248,7 @@ exports[`t-if simple t-if/t-else 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -266,7 +266,7 @@ exports[`t-if simple t-if/t-else in a div 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -286,7 +286,7 @@ exports[`t-if t-esc with t-elif 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -306,7 +306,7 @@ exports[`t-if t-esc with t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -324,7 +324,7 @@ exports[`t-if t-if and t-else with two nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block4 = createBlock(\`<span>a</span>\`);
   let block5 = createBlock(\`<span>b</span>\`);
@@ -347,7 +347,7 @@ exports[`t-if t-if in a div 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -365,7 +365,7 @@ exports[`t-if t-if in a t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<span>1<block-child-0/></span>\`);
@@ -388,7 +388,7 @@ exports[`t-if t-if/t-else with more content 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -408,7 +408,7 @@ exports[`t-if t-set, then t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -429,7 +429,7 @@ exports[`t-if t-set, then t-if, part 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<span>COUCOU</span>\`);
@@ -452,7 +452,7 @@ exports[`t-if t-set, then t-if, part 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   let block2 = createBlock(\`<span>AAA</span>\`);
@@ -478,7 +478,7 @@ exports[`t-if two consecutive t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -497,7 +497,7 @@ exports[`t-if two consecutive t-if in a div 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -518,7 +518,7 @@ exports[`t-if two t-ifs next to each other 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   let block2 = createBlock(\`<span><block-text-0/></span>\`);
diff --git a/tests/qweb/__snapshots__/t_key.test.ts.snap b/tests/qweb/__snapshots__/t_key.test.ts.snap
index 2822d8f5..a51dfa98 100644
--- a/tests/qweb/__snapshots__/t_key.test.ts.snap
+++ b/tests/qweb/__snapshots__/t_key.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-key can use t-key directive on a node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -19,7 +19,7 @@ exports[`t-key t-key directive in a list 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<ul><block-child-0/></ul>\`);
   let block3 = createBlock(\`<li><block-text-0/></li>\`);
diff --git a/tests/qweb/__snapshots__/t_raw.test.ts.snap b/tests/qweb/__snapshots__/t_raw.test.ts.snap
index e77cc5c0..9bffce06 100644
--- a/tests/qweb/__snapshots__/t_raw.test.ts.snap
+++ b/tests/qweb/__snapshots__/t_raw.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-raw literal 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -19,7 +19,7 @@ exports[`t-raw literal, no outside html element 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return html('ok');
@@ -31,7 +31,7 @@ exports[`t-raw multiple calls to t-raw 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><div>Greeter</div><block-child-1/></div>\`);
   
@@ -47,7 +47,7 @@ exports[`t-raw multiple calls to t-raw 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -68,7 +68,7 @@ exports[`t-raw not escaping 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -83,7 +83,7 @@ exports[`t-raw t-raw and another sibling node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><span>hello</span><block-child-0/></span>\`);
   
@@ -98,7 +98,7 @@ exports[`t-raw t-raw on a node with a body, as a default 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -114,7 +114,7 @@ exports[`t-raw t-raw on a node with a dom node in body, as a default 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   let block3 = createBlock(\`<div>nope</div>\`);
@@ -131,7 +131,7 @@ exports[`t-raw t-raw with a <t/> in body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return html(ctx['var']);
@@ -143,7 +143,7 @@ exports[`t-raw t-raw with comment 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
@@ -158,7 +158,7 @@ exports[`t-raw t-raw with just a t-set t-value in body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     return html(ctx['var']);
@@ -170,7 +170,7 @@ exports[`t-raw variable 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
diff --git a/tests/qweb/__snapshots__/t_ref.test.ts.snap b/tests/qweb/__snapshots__/t_ref.test.ts.snap
index 1329f983..d03bbd62 100644
--- a/tests/qweb/__snapshots__/t_ref.test.ts.snap
+++ b/tests/qweb/__snapshots__/t_ref.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-ref can get a dynamic ref on a node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><span block-ref=\\"0\\"/></div>\`);
   
@@ -21,7 +21,7 @@ exports[`t-ref can get a ref on a node 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><span block-ref=\\"0\\"/></div>\`);
   
@@ -37,7 +37,7 @@ exports[`t-ref ref in a t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -53,7 +53,7 @@ exports[`t-ref ref in a t-call 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>1<span block-ref=\\"0\\"/>2</div>\`);
   
@@ -69,7 +69,7 @@ exports[`t-ref ref in a t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<span block-ref=\\"0\\"/>\`);
@@ -90,7 +90,7 @@ exports[`t-ref refs in a loop 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<div block-ref=\\"0\\"><block-text-1/></div>\`);
@@ -117,7 +117,7 @@ exports[`t-ref two refs, one in a t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><p block-ref=\\"0\\"/></div>\`);
   let block2 = createBlock(\`<span block-ref=\\"0\\"/>\`);
diff --git a/tests/qweb/__snapshots__/t_set.test.ts.snap b/tests/qweb/__snapshots__/t_set.test.ts.snap
index 62b989b0..5dc12405 100644
--- a/tests/qweb/__snapshots__/t_set.test.ts.snap
+++ b/tests/qweb/__snapshots__/t_set.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-set evaluate value expression 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -22,7 +22,7 @@ exports[`t-set evaluate value expression, part 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -40,7 +40,7 @@ exports[`t-set set from attribute literal (no outside div) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -55,7 +55,7 @@ exports[`t-set set from attribute literal 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -73,7 +73,7 @@ exports[`t-set set from attribute lookup 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -91,7 +91,7 @@ exports[`t-set set from body literal 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -106,7 +106,7 @@ exports[`t-set set from body lookup 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -125,7 +125,7 @@ exports[`t-set set from empty body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -143,7 +143,7 @@ exports[`t-set t-set and t-if 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -164,7 +164,7 @@ exports[`t-set t-set body is evaluated immediately 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<span><block-text-0/></span>\`);
@@ -187,7 +187,7 @@ exports[`t-set t-set can't alter from within callee 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
   
@@ -206,7 +206,7 @@ exports[`t-set t-set can't alter from within callee 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/><p><block-text-1/></p></div>\`);
@@ -227,7 +227,7 @@ exports[`t-set t-set can't alter in t-call body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
   
@@ -246,7 +246,7 @@ exports[`t-set t-set can't alter in t-call body 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   const callTemplate_2 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/><p><block-text-1/></p></div>\`);
@@ -271,7 +271,7 @@ exports[`t-set t-set does not modify render context existing key values 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -289,7 +289,7 @@ exports[`t-set t-set evaluates an expression only once 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
   
@@ -308,7 +308,7 @@ exports[`t-set t-set outside modified in t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><p>EndLoop: <block-text-0/></p></div>\`);
   let block3 = createBlock(\`<p>InLoop: <block-text-0/></p>\`);
@@ -338,7 +338,7 @@ exports[`t-set t-set outside modified in t-foreach increment-after operator 1`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><p>EndLoop: <block-text-0/></p></div>\`);
   let block3 = createBlock(\`<p>InLoop: <block-text-0/></p>\`);
@@ -368,7 +368,7 @@ exports[`t-set t-set outside modified in t-foreach increment-before operator 1`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><p>EndLoop: <block-text-0/></p></div>\`);
   let block3 = createBlock(\`<p>InLoop: <block-text-0/></p>\`);
@@ -398,7 +398,7 @@ exports[`t-set t-set should reuse variable if possible 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<div><span>v<block-text-0/></span></div>\`);
@@ -427,7 +427,7 @@ exports[`t-set t-set with content and sub t-esc 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
@@ -448,7 +448,7 @@ exports[`t-set t-set with t-value (falsy) and body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<span><block-text-0/></span>\`);
@@ -473,7 +473,7 @@ exports[`t-set t-set with t-value (truthy) and body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<span><block-text-0/></span>\`);
@@ -498,7 +498,7 @@ exports[`t-set t-set, t-if, and mix of expression/body lookup, 1 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-text-0/></div>\`);
   
@@ -520,7 +520,7 @@ exports[`t-set t-set, t-if, and mix of expression/body lookup, 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-text-0/></div>\`);
   
@@ -542,7 +542,7 @@ exports[`t-set t-set, t-if, and mix of expression/body lookup, 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -563,7 +563,7 @@ exports[`t-set value priority (with non text body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   let block2 = createBlock(\`<span>2</span>\`);
@@ -583,7 +583,7 @@ exports[`t-set value priority 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
diff --git a/tests/qweb/__snapshots__/translation.test.ts.snap b/tests/qweb/__snapshots__/translation.test.ts.snap
index c8fa705c..7f1cd50c 100644
--- a/tests/qweb/__snapshots__/translation.test.ts.snap
+++ b/tests/qweb/__snapshots__/translation.test.ts.snap
@@ -4,7 +4,7 @@ exports[`translation support can set translatable attributes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div tomato=\\"word\\" potato=\\"mot\\" title=\\"word\\">text</div>\`);
   
@@ -18,7 +18,7 @@ exports[`translation support can translate node content 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div>mot</div>\`);
   
@@ -32,7 +32,7 @@ exports[`translation support does not translate node content if disabled 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><span>mot</span><span>word</span></div>\`);
   
@@ -46,7 +46,7 @@ exports[`translation support some attributes are translated 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><p label=\\"mot\\">mot</p><p title=\\"mot\\">mot</p><p placeholder=\\"mot\\">mot</p><p alt=\\"mot\\">mot</p><p something=\\"word\\">mot</p></div>\`);
   
@@ -60,7 +60,7 @@ exports[`translation support translation is done on the trimmed text, with extra
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div> mot </div>\`);
   
diff --git a/tests/qweb/__snapshots__/white_space.test.ts.snap b/tests/qweb/__snapshots__/white_space.test.ts.snap
index 152ee492..4014acdf 100644
--- a/tests/qweb/__snapshots__/white_space.test.ts.snap
+++ b/tests/qweb/__snapshots__/white_space.test.ts.snap
@@ -4,7 +4,7 @@ exports[`white space handling consecutives whitespaces are condensed into a sing
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div> abc </div>\`);
   
@@ -18,7 +18,7 @@ exports[`white space handling nothing is done in pre tags 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<pre>   </pre>\`);
   
@@ -32,7 +32,7 @@ exports[`white space handling nothing is done in pre tags 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<pre>
           some text
@@ -48,7 +48,7 @@ exports[`white space handling nothing is done in pre tags 3`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<pre>
           
@@ -64,7 +64,7 @@ exports[`white space handling white space only text nodes are condensed into a s
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div> </div>\`);
   
@@ -78,7 +78,7 @@ exports[`white space handling whitespace only text nodes with newlines are remov
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component } = bdom;
-  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue } = helpers;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber } = helpers;
   
   let block1 = createBlock(\`<div><span>abc</span></div>\`);
   
diff --git a/tests/qweb/parser.test.ts b/tests/qweb/parser.test.ts
index 0557b120..41418346 100644
--- a/tests/qweb/parser.test.ts
+++ b/tests/qweb/parser.test.ts
@@ -44,6 +44,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
     });
   });
 
@@ -68,6 +69,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       content: [],
     });
   });
@@ -79,6 +81,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       content: [{ type: ASTType.Text, value: "some text" }],
     });
   });
@@ -90,6 +93,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       content: [
         { type: ASTType.Text, value: "some text" },
         {
@@ -98,6 +102,7 @@ describe("qweb parser", () => {
           attrs: {},
           on: {},
           ref: null,
+          model: null,
           content: [{ type: ASTType.Text, value: "inside" }],
         },
       ],
@@ -108,8 +113,24 @@ describe("qweb parser", () => {
     expect(parse("<div></div><span></span>")).toEqual({
       type: ASTType.Multi,
       content: [
-        { type: ASTType.DomNode, tag: "div", attrs: {}, on: {}, ref: null, content: [] },
-        { type: ASTType.DomNode, tag: "span", attrs: {}, on: {}, ref: null, content: [] },
+        {
+          type: ASTType.DomNode,
+          tag: "div",
+          attrs: {},
+          on: {},
+          ref: null,
+          model: null,
+          content: [],
+        },
+        {
+          type: ASTType.DomNode,
+          tag: "span",
+          attrs: {},
+          on: {},
+          ref: null,
+          model: null,
+          content: [],
+        },
       ],
     });
   });
@@ -119,7 +140,15 @@ describe("qweb parser", () => {
       type: ASTType.Multi,
       content: [
         { type: ASTType.Text, value: "some text" },
-        { type: ASTType.DomNode, tag: "span", attrs: {}, on: {}, ref: null, content: [] },
+        {
+          type: ASTType.DomNode,
+          tag: "span",
+          attrs: {},
+          on: {},
+          ref: null,
+          model: null,
+          content: [],
+        },
       ],
     });
   });
@@ -131,6 +160,7 @@ describe("qweb parser", () => {
       attrs: { class: "abc" },
       on: {},
       ref: null,
+      model: null,
       content: [{ type: ASTType.Text, value: "foo" }],
     });
   });
@@ -159,6 +189,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       content: [{ type: ASTType.TEsc, expr: "text", defaultValue: "" }],
     });
   });
@@ -178,6 +209,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       content: [{ type: ASTType.TEsc, expr: "text", defaultValue: "hey" }],
     });
   });
@@ -201,6 +233,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       content: [{ type: ASTType.TRaw, expr: "text", body: null }],
     });
   });
@@ -212,6 +245,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       content: [
         { type: ASTType.TRaw, expr: "text", body: [{ type: ASTType.Text, value: "body" }] },
       ],
@@ -229,6 +263,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       content: [
         {
           type: ASTType.TIf,
@@ -254,6 +289,7 @@ describe("qweb parser", () => {
         attrs: {},
         on: {},
         ref: null,
+        model: null,
         content: [{ type: ASTType.Text, value: "hey" }],
       },
       tElif: null,
@@ -328,6 +364,7 @@ describe("qweb parser", () => {
         attrs: {},
         on: {},
         ref: null,
+        model: null,
         content: [
           {
             type: ASTType.Text,
@@ -344,6 +381,7 @@ describe("qweb parser", () => {
             attrs: {},
             on: {},
             ref: null,
+            model: null,
             content: [{ type: ASTType.Text, value: "elif" }],
           },
         },
@@ -354,6 +392,7 @@ describe("qweb parser", () => {
         attrs: {},
         on: {},
         ref: null,
+        model: null,
         content: [
           {
             type: ASTType.Text,
@@ -399,6 +438,7 @@ describe("qweb parser", () => {
           on: {},
           tag: "div",
           ref: null,
+          model: null,
           content: [{ type: ASTType.Text, value: "ok" }],
         },
       ],
@@ -416,6 +456,7 @@ describe("qweb parser", () => {
           on: {},
           tag: "div",
           ref: null,
+          model: null,
           content: [{ type: ASTType.Text, value: "ok" }],
         },
         { type: ASTType.Text, value: "abc" },
@@ -448,6 +489,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       content: [
         {
           type: ASTType.TIf,
@@ -520,6 +562,7 @@ describe("qweb parser", () => {
         attrs: {},
         on: {},
         ref: null,
+        model: null,
         content: [{ type: ASTType.TEsc, expr: "item", defaultValue: "" }],
       },
       memo: "",
@@ -563,6 +606,7 @@ describe("qweb parser", () => {
         attrs: {},
         on: {},
         ref: null,
+        model: null,
         content: [{ type: ASTType.TEsc, expr: "item", defaultValue: "" }],
       },
       memo: "",
@@ -596,6 +640,7 @@ describe("qweb parser", () => {
           attrs: {},
           on: {},
           ref: null,
+          model: null,
           content: [{ type: ASTType.TEsc, expr: "item", defaultValue: "" }],
         },
       },
@@ -628,6 +673,7 @@ describe("qweb parser", () => {
         },
         on: {},
         ref: null,
+        model: null,
         content: [{ type: ASTType.TEsc, expr: "category.name", defaultValue: "" }],
       },
       memo: "",
@@ -646,6 +692,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       tag: "div",
       content: [
         {
@@ -689,6 +736,7 @@ describe("qweb parser", () => {
         tag: "span",
         on: {},
         ref: null,
+        model: null,
         attrs: {},
         content: [{ type: ASTType.TEsc, expr: "item", defaultValue: "" }],
       },
@@ -795,6 +843,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: null,
+      model: null,
       content: [
         {
           type: ASTType.TCall,
@@ -830,6 +879,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: { click: "add" },
       ref: null,
+      model: null,
       content: [{ type: ASTType.Text, value: "Click" }],
     });
   });
@@ -899,8 +949,24 @@ describe("qweb parser", () => {
         default: {
           type: ASTType.Multi,
           content: [
-            { type: ASTType.DomNode, tag: "span", attrs: {}, content: [], ref: null, on: {} },
-            { type: ASTType.DomNode, tag: "div", attrs: {}, content: [], ref: null, on: {} },
+            {
+              type: ASTType.DomNode,
+              tag: "span",
+              attrs: {},
+              content: [],
+              ref: null,
+              model: null,
+              on: {},
+            },
+            {
+              type: ASTType.DomNode,
+              tag: "div",
+              attrs: {},
+              content: [],
+              ref: null,
+              model: null,
+              on: {},
+            },
           ],
         },
       },
@@ -1093,6 +1159,7 @@ describe("qweb parser", () => {
         attrs: {},
         on: {},
         ref: null,
+        model: null,
         content: [{ type: ASTType.Text, value: "hey" }],
       },
     });
@@ -1108,6 +1175,7 @@ describe("qweb parser", () => {
         attrs: {},
         on: {},
         ref: null,
+        model: null,
         content: [{ type: ASTType.Text, value: "hey" }],
       },
     });
@@ -1124,6 +1192,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: "name",
+      model: null,
       content: [{ type: ASTType.Text, value: "hey" }],
     });
   });
@@ -1135,6 +1204,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: "name",
+      model: null,
       content: [
         { type: ASTType.TRaw, expr: "text", body: [{ type: ASTType.Text, value: "body" }] },
       ],
@@ -1148,6 +1218,7 @@ describe("qweb parser", () => {
       attrs: {},
       on: {},
       ref: "name",
+      model: null,
       content: [{ type: ASTType.TEsc, expr: "text", defaultValue: "body" }],
     });
   });
@@ -1188,6 +1259,7 @@ describe("qweb parser", () => {
           ],
           on: {},
           ref: null,
+          model: null,
           tag: "div",
           type: 2,
         },
@@ -1206,4 +1278,129 @@ describe("qweb parser", () => {
       type: 9,
     });
   });
+
+  // ---------------------------------------------------------------------------
+  // t-model
+  // ---------------------------------------------------------------------------
+  test("t-model", async () => {
+    expect(parse(`<input t-model="state.stuff" />`)).toEqual({
+      type: ASTType.DomNode,
+      attrs: {},
+      content: [],
+      on: {},
+      ref: null,
+      tag: "input",
+      model: {
+        baseExpr: "state",
+        expr: "'stuff'",
+        eventType: "input",
+        shouldNumberize: false,
+        shouldTrim: false,
+        targetAttr: "value",
+        specialInitTargetAttr: null,
+      },
+    });
+    expect(parse(`<input t-model="state['stuff']" />`)).toEqual({
+      type: ASTType.DomNode,
+      attrs: {},
+      content: [],
+      on: {},
+      ref: null,
+      tag: "input",
+      model: {
+        baseExpr: "state",
+        expr: "'stuff'",
+        eventType: "input",
+        shouldNumberize: false,
+        shouldTrim: false,
+        targetAttr: "value",
+        specialInitTargetAttr: null,
+      },
+    });
+    expect(parse(`<input t-model.lazy.trim.number="state.stuff" />`)).toEqual({
+      type: ASTType.DomNode,
+      attrs: {},
+      content: [],
+      on: {},
+      ref: null,
+      tag: "input",
+      model: {
+        baseExpr: "state",
+        expr: "'stuff'",
+        eventType: "change",
+        shouldNumberize: true,
+        shouldTrim: true,
+        targetAttr: "value",
+        specialInitTargetAttr: null,
+      },
+    });
+  });
+  expect(parse(`<textarea t-model="state.stuff" />`)).toEqual({
+    type: ASTType.DomNode,
+    attrs: {},
+    content: [],
+    on: {},
+    ref: null,
+    tag: "textarea",
+    model: {
+      baseExpr: "state",
+      expr: "'stuff'",
+      eventType: "input",
+      shouldNumberize: false,
+      shouldTrim: false,
+      targetAttr: "value",
+      specialInitTargetAttr: null,
+    },
+  });
+  expect(parse(`<input type="checkbox" t-model="state.stuff" />`)).toEqual({
+    type: ASTType.DomNode,
+    attrs: { type: "checkbox" },
+    content: [],
+    on: {},
+    ref: null,
+    tag: "input",
+    model: {
+      baseExpr: "state",
+      expr: "'stuff'",
+      eventType: "input",
+      shouldNumberize: false,
+      shouldTrim: false,
+      targetAttr: "checked",
+      specialInitTargetAttr: null,
+    },
+  });
+  expect(parse(`<input type="radio" t-model="state.stuff" />`)).toEqual({
+    type: ASTType.DomNode,
+    attrs: { type: "radio" },
+    content: [],
+    on: {},
+    ref: null,
+    tag: "input",
+    model: {
+      baseExpr: "state",
+      expr: "'stuff'",
+      eventType: "click",
+      shouldNumberize: false,
+      shouldTrim: false,
+      targetAttr: "value",
+      specialInitTargetAttr: "checked",
+    },
+  });
+  expect(parse(`<input type="radio" t-model.lazy.trim.number="state.stuff" />`)).toEqual({
+    type: ASTType.DomNode,
+    attrs: { type: "radio" },
+    content: [],
+    on: {},
+    ref: null,
+    tag: "input",
+    model: {
+      baseExpr: "state",
+      expr: "'stuff'",
+      eventType: "click",
+      shouldNumberize: false,
+      shouldTrim: false,
+      targetAttr: "value",
+      specialInitTargetAttr: "checked",
+    },
+  });
 });