[REL] v2.0.0-beta-14

# v2.0.0-beta-14

Yes, there is no beta-13 release...

## Fixes:

- [FIX] compiler: better handle update of properties with same value

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@odoo/owl",
-  "version": "2.0.0-beta-10",
+  "version": "2.0.0-beta-14",
   "description": "Odoo Web Library (OWL)",
   "main": "dist/owl.cjs.js",
   "browser": "dist/owl.iife.js",

src/compiler/code_generator.ts

@@ -1,3 +1,4 @@
+import { isProp } from "../runtime/blockdom/attributes";
 import {
   compileExpr,
   compileExprToArray,
@@ -22,12 +23,12 @@ import {
   ASTTif,
   ASTTKey,
   ASTTOut,
-  ASTTSet,
-  ASTTranslation,
-  ASTType,
   ASTTPortal,
-  EventHandlers,
+  ASTTranslation,
+  ASTTSet,
+  ASTType,
   Attrs,
+  EventHandlers,
 } from "./parser";
 
 type BlockType = "block" | "text" | "multi" | "list" | "html" | "comment";
@@ -143,7 +144,7 @@ interface Context {
   ctxVar?: string;
 }
 
-function createContext(parentCtx: Context, params?: Partial<Context>) {
+function createContext(parentCtx: Context, params?: Partial<Context>): Context {
   return Object.assign(
     {
       block: null,
@@ -265,10 +266,7 @@ export class CodeGenerator {
       tKeyExpr: null,
     });
     // define blocks and utility functions
-    let mainCode = [
+    let mainCode = [`  let { text, createBlock, list, multi, html, toggler, comment } = bdom;`];
-      `  "use strict";`,
-      `let { text, createBlock, list, multi, html, toggler, comment } = bdom;`,
-    ];
     if (this.helpers.size) {
       mainCode.push(`let { ${[...this.helpers].join(", ")} } = helpers;`);
     }
@@ -337,8 +335,8 @@ export class CodeGenerator {
     this.addLine(`const ${varName} = ${expr};`);
   }
 
-  insertAnchor(block: BlockDescription) {
+  insertAnchor(block: BlockDescription, index: number = block.children.length) {
-    const tag = `block-child-${block.children.length}`;
+    const tag = `block-child-${index}`;
     const anchor = xmlDoc.createElement(tag);
     block.insert(anchor);
   }
@@ -581,13 +579,18 @@ export class CodeGenerator {
         attrName = key.slice(7);
         attrs["block-attribute-" + idx] = attrName;
       } else if (key.startsWith("t-att")) {
+        attrName = key === "t-att" ? null : key.slice(6);
         expr = compileExpr(ast.attrs[key]);
+        if (attrName && isProp(ast.tag, attrName)) {
+          // we force a new string or new boolean to bypass the equality check in blockdom when patching same value
+          const C = attrName === "value" ? "String" : "Boolean";
+          expr = `new ${C}(${expr})`;
+        }
         const idx = block!.insertData(expr, "attr");
         if (key === "t-att") {
           attrs[`block-attributes`] = String(idx);
         } else {
-          attrName = key.slice(6);
+          attrs[`block-attribute-${idx}`] = attrName!;
-          attrs[`block-attribute-${idx}`] = attrName;
         }
       } else if (this.translatableAttributes.includes(key)) {
         attrs[key] = this.translateFn(ast.attrs[key]);
@@ -695,7 +698,7 @@ export class CodeGenerator {
       const children = ast.content;
       for (let i = 0; i < children.length; i++) {
         const child = ast.content[i];
-        const subCtx: Context = createContext(ctx, {
+        const subCtx = createContext(ctx, {
           block,
           index: block!.childNumber,
           forceNewBlock: false,
@@ -757,21 +760,37 @@ export class CodeGenerator {
       this.insertAnchor(block);
     }
     block = this.createBlock(block, "html", ctx);
-    this.helpers.add(ast.expr === "0" ? "zero" : "safeOutput");
+    let blockStr;
-    let expr = ast.expr === "0" ? "ctx[zero]" : `safeOutput(${compileExpr(ast.expr)})`;
+    if (ast.expr === "0") {
-    if (ast.body) {
+      this.helpers.add("zero");
-      const nextId = BlockDescription.nextBlockId;
+      blockStr = `ctx[zero]`;
-      const subCtx: Context = createContext(ctx);
+    } else if (ast.body) {
+      let bodyValue = null;
+      bodyValue = BlockDescription.nextBlockId;
+      const subCtx = createContext(ctx);
       this.compileAST({ type: ASTType.Multi, content: ast.body }, subCtx);
-      this.helpers.add("withDefault");
+      this.helpers.add("safeOutput");
-      expr = `withDefault(${expr}, b${nextId})`;
+      blockStr = `safeOutput(${compileExpr(ast.expr)}, b${bodyValue})`;
+    } else {
+      this.helpers.add("safeOutput");
+      blockStr = `safeOutput(${compileExpr(ast.expr)})`;
     }
-    this.insertBlock(`${expr}`, block, ctx);
+    this.insertBlock(blockStr, block, ctx);
+  }
+
+  compileTIfBranch(content: AST, block: BlockDescription, ctx: Context) {
+    this.target.indentLevel++;
+    let childN = block.children.length;
+    this.compileAST(content, createContext(ctx, { block, index: ctx.index }));
+    if (block.children.length > childN) {
+      // we have some content => need to insert an anchor at correct index
+      this.insertAnchor(block!, childN);
+    }
+    this.target.indentLevel--;
   }
 
   compileTIf(ast: ASTTif, ctx: Context, nextNode?: ASTDomNode) {
-    let { block, forceNewBlock, index } = ctx;
+    let { block, forceNewBlock } = ctx;
-    let currentIndex = index;
     const codeIdx = this.target.code.length;
     const isNewBlock = !block || (block.type !== "multi" && forceNewBlock);
     if (block) {
@@ -781,28 +800,16 @@ export class CodeGenerator {
       block = this.createBlock(block, "multi", ctx);
     }
     this.addLine(`if (${compileExpr(ast.condition)}) {`);
-    this.target.indentLevel++;
+    this.compileTIfBranch(ast.content, block, ctx);
-    this.insertAnchor(block!);
-    const subCtx: Context = createContext(ctx, { block, index: currentIndex });
-    this.compileAST(ast.content, subCtx);
-    this.target.indentLevel--;
     if (ast.tElif) {
       for (let clause of ast.tElif) {
         this.addLine(`} else if (${compileExpr(clause.condition)}) {`);
-        this.target.indentLevel++;
+        this.compileTIfBranch(clause.content, block, ctx);
-        this.insertAnchor(block);
-        const subCtx: Context = createContext(ctx, { block, index: currentIndex });
-        this.compileAST(clause.content, subCtx);
-        this.target.indentLevel--;
       }
     }
     if (ast.tElse) {
       this.addLine(`} else {`);
-      this.target.indentLevel++;
+      this.compileTIfBranch(ast.tElse, block, ctx);
-      this.insertAnchor(block);
-      const subCtx: Context = createContext(ctx, { block, index: currentIndex });
-      this.compileAST(ast.tElse, subCtx);
-      this.target.indentLevel--;
     }
     this.addLine("}");
     if (isNewBlock) {
@@ -888,7 +895,7 @@ export class CodeGenerator {
       this.addLine("}");
     }
 
-    const subCtx: Context = createContext(ctx, { block, index: loopVar });
+    const subCtx = createContext(ctx, { block, index: loopVar });
     this.compileAST(ast.body, subCtx);
     if (ast.memo) {
       this.addLine(
@@ -935,7 +942,7 @@ export class CodeGenerator {
     for (let i = 0, l = ast.content.length; i < l; i++) {
       const child = ast.content[i];
       const isTSet = child.type === ASTType.TSet;
-      const subCtx: Context = createContext(ctx, {
+      const subCtx = createContext(ctx, {
         block,
         index,
         forceNewBlock: !isTSet,
@@ -981,7 +988,7 @@ export class CodeGenerator {
       this.addLine(`${ctxVar}[isBoundary] = 1;`);
       this.helpers.add("isBoundary");
       const nextId = BlockDescription.nextBlockId;
-      const subCtx: Context = createContext(ctx, { preventRoot: true, ctxVar });
+      const subCtx = createContext(ctx, { preventRoot: true, ctxVar });
       this.compileAST({ type: ASTType.Multi, content: ast.body }, subCtx);
       if (nextId !== BlockDescription.nextBlockId) {
         this.helpers.add("zero");

src/runtime/app.ts

@@ -3,7 +3,6 @@ import { ComponentNode } from "./component_node";
 import { nodeErrorHandlers } from "./error_handling";
 import { Fiber, MountOptions } from "./fibers";
 import { Scheduler } from "./scheduler";
-import { STATUS } from "./status";
 import { validateProps } from "./template_helpers";
 import { TemplateSet, TemplateSetConfig } from "./template_set";
 import { validateTarget } from "./utils";
@@ -141,10 +140,7 @@ export class App<
     return (props: P, key: string, ctx: ComponentNode, parent: any, C: any) => {
       let children = ctx.children;
       let node: any = children[key];
-      if (
+      if (isDynamic && node && node.component.constructor !== C) {
-        node &&
-        (node.status === STATUS.DESTROYED || (isDynamic && node.component.constructor !== C))
-      ) {
         node = undefined;
       }
       const parentFiber = ctx.fiber!;

src/runtime/blockdom/attributes.ts

@@ -144,7 +144,7 @@ export function updateClass(this: HTMLElement, val: any, oldVal: any) {
 export function makePropSetter(name: string): Setter<HTMLElement> {
   return function setProp(this: HTMLElement, value: any) {
     // support 0, fallback to empty string for other falsy values
-    (this as any)[name] = value === 0 ? 0 : value || "";
+    (this as any)[name] = value === 0 ? 0 : value ? value.valueOf() : "";
   };
 }
 

src/runtime/fibers.ts

@@ -56,6 +56,7 @@ function cancelFibers(fibers: Fiber[]): number {
     fiber.render = throwOnRender;
     if (node.status === STATUS.NEW) {
       node.destroy();
+      delete node.parent!.children[node.parentKey!];
     }
     node.fiber = null;
     if (fiber.bdom) {

src/runtime/template_helpers.ts

@@ -129,9 +129,9 @@ class LazyValue {
 /*
  * Safely outputs `value` as a block depending on the nature of `value`
  */
-export function safeOutput(value: any): ReturnType<typeof toggler> {
+export function safeOutput(value: any, defaultValue?: any): ReturnType<typeof toggler> {
-  if (!value) {
+  if (value === undefined) {
-    return value;
+    return defaultValue ? toggler("default", defaultValue) : toggler("undefined", text(""));
   }
   let safeKey;
   let block;

tests/__snapshots__/reactivity.test.ts.snap

@@ -49,7 +49,6 @@ exports[`Reactivity: useState concurrent renderings 3`] = `
 exports[`Reactivity: useState destroyed component before being mounted is inactive 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -68,7 +67,6 @@ exports[`Reactivity: useState destroyed component before being mounted is inacti
 exports[`Reactivity: useState destroyed component before being mounted is inactive 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -83,7 +81,6 @@ exports[`Reactivity: useState destroyed component before being mounted is inacti
 exports[`Reactivity: useState destroyed component is inactive 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -102,7 +99,6 @@ exports[`Reactivity: useState destroyed component is inactive 1`] = `
 exports[`Reactivity: useState destroyed component is inactive 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -117,7 +113,6 @@ exports[`Reactivity: useState destroyed component is inactive 2`] = `
 exports[`Reactivity: useState one components can subscribe twice to same context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
@@ -133,7 +128,6 @@ exports[`Reactivity: useState one components can subscribe twice to same context
 exports[`Reactivity: useState parent and children subscribed to same context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -150,7 +144,6 @@ exports[`Reactivity: useState parent and children subscribed to same context 1`]
 exports[`Reactivity: useState parent and children subscribed to same context 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -228,7 +221,6 @@ exports[`Reactivity: useState several nodes on different level use same context
 exports[`Reactivity: useState two components are updated in parallel 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Child\`, true, false, false, true);
@@ -246,7 +238,6 @@ exports[`Reactivity: useState two components are updated in parallel 1`] = `
 exports[`Reactivity: useState two components are updated in parallel 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -261,7 +252,6 @@ exports[`Reactivity: useState two components are updated in parallel 2`] = `
 exports[`Reactivity: useState two components can subscribe to same context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Child\`, true, false, false, true);
@@ -279,7 +269,6 @@ exports[`Reactivity: useState two components can subscribe to same context 1`] =
 exports[`Reactivity: useState two components can subscribe to same context 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -294,7 +283,6 @@ exports[`Reactivity: useState two components can subscribe to same context 2`] =
 exports[`Reactivity: useState two independent components on different levels are updated in parallel 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Parent\`, true, false, false, true);
@@ -312,7 +300,6 @@ exports[`Reactivity: useState two independent components on different levels are
 exports[`Reactivity: useState two independent components on different levels are updated in parallel 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -327,7 +314,6 @@ exports[`Reactivity: useState two independent components on different levels are
 exports[`Reactivity: useState two independent components on different levels are updated in parallel 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -343,7 +329,6 @@ exports[`Reactivity: useState two independent components on different levels are
 exports[`Reactivity: useState useContext=useState hook is reactive, for one component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -358,7 +343,6 @@ exports[`Reactivity: useState useContext=useState hook is reactive, for one comp
 exports[`Reactivity: useState useless atoms should be deleted 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Quantity\`, true, false, false, false);
@@ -385,7 +369,6 @@ exports[`Reactivity: useState useless atoms should be deleted 1`] = `
 exports[`Reactivity: useState useless atoms should be deleted 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -400,7 +383,6 @@ exports[`Reactivity: useState useless atoms should be deleted 2`] = `
 exports[`Reactivity: useState very simple use, with initial value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);

tests/app/__snapshots__/app.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`app App supports env with getters/setters 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/> <block-text-1/></div>\`);
@@ -19,7 +18,6 @@ exports[`app App supports env with getters/setters 1`] = `
 exports[`app can configure an app with props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -34,7 +32,6 @@ exports[`app can configure an app with props 1`] = `
 exports[`app destroy remove the widget from the DOM 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -48,7 +45,6 @@ exports[`app destroy remove the widget from the DOM 1`] = `
 exports[`app warnIfNoStaticProps works as expected 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);

tests/compiler/__snapshots__/attributes.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`attributes changing a class with t-att-class (preexisting class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"hoy\\" block-attribute-0=\\"class\\"/>\`);
@@ -18,7 +17,6 @@ exports[`attributes changing a class with t-att-class (preexisting class 1`] = `
 exports[`attributes changing a class with t-att-class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -33,7 +31,6 @@ exports[`attributes changing a class with t-att-class 1`] = `
 exports[`attributes changing an attribute with t-att- 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"value\\"/>\`);
@@ -48,7 +45,6 @@ exports[`attributes changing an attribute with t-att- 1`] = `
 exports[`attributes class and t-att-class should combine together 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\" class=\\"hello\\"/>\`);
@@ -63,7 +59,6 @@ exports[`attributes class and t-att-class should combine together 1`] = `
 exports[`attributes class and t-attf-class with ternary operation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"hello\\" block-attribute-0=\\"class\\"/>\`);
@@ -78,7 +73,6 @@ exports[`attributes class and t-attf-class with ternary operation 1`] = `
 exports[`attributes dynamic attribute evaluating to 0 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -93,7 +87,6 @@ exports[`attributes dynamic attribute evaluating to 0 1`] = `
 exports[`attributes dynamic attribute falsy variable  1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -108,7 +101,6 @@ exports[`attributes dynamic attribute falsy variable  1`] = `
 exports[`attributes dynamic attribute with a dash 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"data-action-id\\"/>\`);
@@ -123,7 +115,6 @@ exports[`attributes dynamic attribute with a dash 1`] = `
 exports[`attributes dynamic attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -138,7 +129,6 @@ exports[`attributes dynamic attributes 1`] = `
 exports[`attributes dynamic attributes with backticks 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -153,7 +143,6 @@ exports[`attributes dynamic attributes with backticks 1`] = `
 exports[`attributes dynamic class attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -168,7 +157,6 @@ exports[`attributes dynamic class attribute 1`] = `
 exports[`attributes dynamic class attribute evaluating to 0 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -183,7 +171,6 @@ exports[`attributes dynamic class attribute evaluating to 0 1`] = `
 exports[`attributes dynamic class attribute that starts and ends with a space 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -198,7 +185,6 @@ exports[`attributes dynamic class attribute that starts and ends with a space 1`
 exports[`attributes dynamic class attribute which is only a space 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -213,7 +199,6 @@ exports[`attributes dynamic class attribute which is only a space 1`] = `
 exports[`attributes dynamic class attribute with multiple consecutive spaces 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -228,7 +213,6 @@ exports[`attributes dynamic class attribute with multiple consecutive spaces 1`]
 exports[`attributes dynamic empty class attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -243,7 +227,6 @@ exports[`attributes dynamic empty class attribute 1`] = `
 exports[`attributes dynamic formatted attributes with a dash 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"aria-label\\"/>\`);
@@ -258,7 +241,6 @@ exports[`attributes dynamic formatted attributes with a dash 1`] = `
 exports[`attributes dynamic undefined class attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -273,7 +255,6 @@ exports[`attributes dynamic undefined class attribute 1`] = `
 exports[`attributes dynamic undefined generic attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"thing\\"/>\`);
@@ -288,7 +269,6 @@ exports[`attributes dynamic undefined generic attribute 1`] = `
 exports[`attributes fixed variable 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -303,7 +283,6 @@ exports[`attributes fixed variable 1`] = `
 exports[`attributes format expression 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -318,7 +297,6 @@ exports[`attributes format expression 1`] = `
 exports[`attributes format literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -333,7 +311,6 @@ exports[`attributes format literal 1`] = `
 exports[`attributes format multiple 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -348,7 +325,6 @@ exports[`attributes format multiple 1`] = `
 exports[`attributes format value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -363,7 +339,6 @@ exports[`attributes format value 1`] = `
 exports[`attributes from object variables set previously 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -382,7 +357,6 @@ exports[`attributes from object variables set previously 1`] = `
 exports[`attributes from variables set previously (no external node) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -401,7 +375,6 @@ exports[`attributes from variables set previously (no external node) 1`] = `
 exports[`attributes from variables set previously 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -420,7 +393,6 @@ exports[`attributes from variables set previously 1`] = `
 exports[`attributes object 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attributes=\\"0\\"/>\`);
@@ -435,7 +407,6 @@ exports[`attributes object 1`] = `
 exports[`attributes static attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div foo=\\"a\\" bar=\\"b\\" baz=\\"c\\"/>\`);
@@ -449,7 +420,6 @@ exports[`attributes static attributes 1`] = `
 exports[`attributes static attributes on void elements 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<img src=\\"/test.skip.jpg\\" alt=\\"Test\\"/>\`);
@@ -463,7 +433,6 @@ exports[`attributes static attributes on void elements 1`] = `
 exports[`attributes static attributes with backticks 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div foo=\\"\\\\\`bar\\\\\`\\"/>\`);
@@ -477,7 +446,6 @@ exports[`attributes static attributes with backticks 1`] = `
 exports[`attributes static attributes with dashes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div aria-label=\\"Close\\"/>\`);
@@ -491,7 +459,6 @@ exports[`attributes static attributes with dashes 1`] = `
 exports[`attributes string interpolation, alternate syntax 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -506,7 +473,6 @@ exports[`attributes string interpolation, alternate syntax 1`] = `
 exports[`attributes t-att-class and class should combine together 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"hello\\" block-attribute-0=\\"class\\"/>\`);
@@ -521,7 +487,6 @@ exports[`attributes t-att-class and class should combine together 1`] = `
 exports[`attributes t-att-class with multiple classes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -536,7 +501,6 @@ exports[`attributes t-att-class with multiple classes 1`] = `
 exports[`attributes t-att-class with multiple classes 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -551,7 +515,6 @@ exports[`attributes t-att-class with multiple classes 2`] = `
 exports[`attributes t-att-class with multiple classes 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -566,7 +529,6 @@ exports[`attributes t-att-class with multiple classes 3`] = `
 exports[`attributes t-att-class with multiple classes, some of which are duplicate 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -581,7 +543,6 @@ exports[`attributes t-att-class with multiple classes, some of which are duplica
 exports[`attributes t-att-class with object 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"static\\" block-attribute-0=\\"class\\"/>\`);
@@ -596,7 +557,6 @@ exports[`attributes t-att-class with object 1`] = `
 exports[`attributes t-att-class with object 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -611,7 +571,6 @@ exports[`attributes t-att-class with object 2`] = `
 exports[`attributes t-att-class with object 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -626,7 +585,6 @@ exports[`attributes t-att-class with object 3`] = `
 exports[`attributes t-attf-class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -641,7 +599,6 @@ exports[`attributes t-attf-class 1`] = `
 exports[`attributes t-attf-class should combine with class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"hello\\" block-attribute-0=\\"class\\"/>\`);
@@ -656,7 +613,6 @@ exports[`attributes t-attf-class should combine with class 1`] = `
 exports[`attributes t-attf-class with multiple classes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -671,7 +627,6 @@ exports[`attributes t-attf-class with multiple classes 1`] = `
 exports[`attributes t-attf-class with multiple classes separated by multiple spaces 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -686,7 +641,6 @@ exports[`attributes t-attf-class with multiple classes separated by multiple spa
 exports[`attributes tuple literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attributes=\\"0\\"/>\`);
@@ -701,7 +655,6 @@ exports[`attributes tuple literal 1`] = `
 exports[`attributes tuple variable 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attributes=\\"0\\"/>\`);
@@ -716,7 +669,6 @@ exports[`attributes tuple variable 1`] = `
 exports[`attributes two classes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"a b\\"/>\`);
@@ -730,7 +682,6 @@ exports[`attributes two classes 1`] = `
 exports[`attributes two dynamic attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\" block-attribute-1=\\"bar\\"/>\`);
@@ -746,7 +697,6 @@ exports[`attributes two dynamic attributes 1`] = `
 exports[`attributes updating classes (with obj notation) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"hoy\\" block-attribute-0=\\"class\\"/>\`);
@@ -761,7 +711,6 @@ exports[`attributes updating classes (with obj notation) 1`] = `
 exports[`attributes various escapes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div foo=\\"&lt;foo\\" block-attribute-0=\\"bar\\" block-attribute-1=\\"baz\\" block-attributes=\\"2\\"/>\`);
@@ -778,7 +727,6 @@ exports[`attributes various escapes 1`] = `
 exports[`attributes various escapes 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div> &lt; </div>\`);
@@ -792,13 +740,12 @@ exports[`attributes various escapes 2 1`] = `
 exports[`special cases for some specific html attributes/properties input of type checkbox with t-att-indeterminate 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<input type=\\"checkbox\\" block-attribute-0=\\"indeterminate\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let attr1 = ctx['v'];
+    let attr1 = new Boolean(ctx['v']);
     return block1([attr1]);
   }
 }"
@@ -807,13 +754,26 @@ exports[`special cases for some specific html attributes/properties input of typ
 exports[`special cases for some specific html attributes/properties input type= checkbox, with t-att-checked 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<input type=\\"checkbox\\" block-attribute-0=\\"checked\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let attr1 = ctx['flag'];
+    let attr1 = new Boolean(ctx['flag']);
+    return block1([attr1]);
+  }
+}"
+`;
+
+exports[`special cases for some specific html attributes/properties input with t-att-value (patching with same value 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  
+  let block1 = createBlock(\`<input block-attribute-0=\\"value\\"/>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    let attr1 = new String(ctx['v']);
     return block1([attr1]);
   }
 }"
@@ -822,13 +782,26 @@ exports[`special cases for some specific html attributes/properties input type=
 exports[`special cases for some specific html attributes/properties input with t-att-value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<input block-attribute-0=\\"value\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let attr1 = ctx['v'];
+    let attr1 = new String(ctx['v']);
+    return block1([attr1]);
+  }
+}"
+`;
+
+exports[`special cases for some specific html attributes/properties input, type checkbox, with t-att-checked (patching with same value 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  
+  let block1 = createBlock(\`<input type=\\"checkbox\\" block-attribute-0=\\"checked\\"/>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    let attr1 = new Boolean(ctx['v']);
     return block1([attr1]);
   }
 }"
@@ -837,13 +810,12 @@ exports[`special cases for some specific html attributes/properties input with t
 exports[`special cases for some specific html attributes/properties select with t-att-value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<select block-attribute-0=\\"value\\"><option value=\\"potato\\">Potato</option><option value=\\"tomato\\">Tomato</option><option value=\\"onion\\">Onion</option></select>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let attr1 = ctx['value'];
+    let attr1 = new String(ctx['value']);
     return block1([attr1]);
   }
 }"
@@ -852,13 +824,12 @@ exports[`special cases for some specific html attributes/properties select with
 exports[`special cases for some specific html attributes/properties textarea with t-att-value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<textarea block-attribute-0=\\"value\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let attr1 = ctx['v'];
+    let attr1 = new String(ctx['v']);
     return block1([attr1]);
   }
 }"
@@ -867,7 +838,6 @@ exports[`special cases for some specific html attributes/properties textarea wit
 exports[`special cases for some specific html attributes/properties various boolean html attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   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>\`);

tests/compiler/__snapshots__/comments.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`comments only a comment 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -15,7 +14,6 @@ exports[`comments only a comment 1`] = `
 exports[`comments properly handle comments 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hello <!-- comment-->owl</div>\`);
@@ -29,7 +27,6 @@ exports[`comments properly handle comments 1`] = `
 exports[`comments properly handle comments between t-if/t-else 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);

tests/compiler/__snapshots__/event_handling.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-on can bind event handler 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -18,7 +17,6 @@ exports[`t-on can bind event handler 1`] = `
 exports[`t-on can bind handlers with arguments 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -34,7 +32,6 @@ exports[`t-on can bind handlers with arguments 1`] = `
 exports[`t-on can bind handlers with empty  object 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -50,7 +47,6 @@ exports[`t-on can bind handlers with empty  object 1`] = `
 exports[`t-on can bind handlers with empty object (with non empty inner string) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -66,7 +62,6 @@ exports[`t-on can bind handlers with empty object (with non empty inner string)
 exports[`t-on can bind handlers with empty object (with non empty inner string) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -94,7 +89,6 @@ exports[`t-on can bind handlers with empty object (with non empty inner string)
 exports[`t-on can bind handlers with object arguments 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -110,7 +104,6 @@ exports[`t-on can bind handlers with object arguments 1`] = `
 exports[`t-on can bind two event handlers 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\" block-handler-1=\\"dblclick\\">Click</button>\`);
@@ -126,7 +119,6 @@ exports[`t-on can bind two event handlers 1`] = `
 exports[`t-on handler is bound to proper owner 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -141,7 +133,6 @@ exports[`t-on handler is bound to proper owner 1`] = `
 exports[`t-on handler is bound to proper owner, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -164,7 +155,6 @@ exports[`t-on handler is bound to proper owner, part 2 1`] = `
 exports[`t-on handler is bound to proper owner, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -177,7 +167,6 @@ exports[`t-on handler is bound to proper owner, part 3 1`] = `
 exports[`t-on handler is bound to proper owner, part 3 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -192,7 +181,6 @@ exports[`t-on handler is bound to proper owner, part 3 2`] = `
 exports[`t-on handler is bound to proper owner, part 4 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -217,7 +205,6 @@ exports[`t-on handler is bound to proper owner, part 4 1`] = `
 exports[`t-on handler is bound to proper owner, part 4 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -232,7 +219,6 @@ exports[`t-on handler is bound to proper owner, part 4 2`] = `
 exports[`t-on receive event in first argument 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -247,7 +233,6 @@ exports[`t-on receive event in first argument 1`] = `
 exports[`t-on t-on modifiers (native listener) basic support for native listener 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"myClass\\" block-handler-0=\\"click\\"><button block-handler-1=\\"click\\">Button</button></div>\`);
@@ -263,7 +248,6 @@ exports[`t-on t-on modifiers (native listener) basic support for native listener
 exports[`t-on t-on modifiers (native listener) t-on combined with t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click\\"><block-text-1/></button></div>\`);
@@ -279,7 +263,6 @@ exports[`t-on t-on modifiers (native listener) t-on combined with t-esc 1`] = `
 exports[`t-on t-on modifiers (native listener) t-on combined with t-out 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -296,7 +279,6 @@ exports[`t-on t-on modifiers (native listener) t-on combined with t-out 1`] = `
 exports[`t-on t-on modifiers (native listener) t-on with .capture modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-handler-0=\\"click.capture\\"><button block-handler-1=\\"click\\">Button</button></div>\`);
@@ -312,7 +294,6 @@ exports[`t-on t-on modifiers (native listener) t-on with .capture modifier 1`] =
 exports[`t-on t-on modifiers (native listener) t-on with empty handler (only modifiers) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click.prevent\\">Button</button></div>\`);
@@ -327,7 +308,6 @@ exports[`t-on t-on modifiers (native listener) t-on with empty handler (only mod
 exports[`t-on t-on modifiers (native listener) t-on with prevent and self modifiers (order matters) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click.prevent.self\\"><span>Button</span></button></div>\`);
@@ -342,7 +322,6 @@ exports[`t-on t-on modifiers (native listener) t-on with prevent and self modifi
 exports[`t-on t-on modifiers (native listener) t-on with prevent and/or stop modifiers 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   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>\`);
@@ -359,7 +338,6 @@ exports[`t-on t-on modifiers (native listener) t-on with prevent and/or stop mod
 exports[`t-on t-on modifiers (native listener) t-on with prevent modifier in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -387,7 +365,6 @@ exports[`t-on t-on modifiers (native listener) t-on with prevent modifier in t-f
 exports[`t-on t-on modifiers (native listener) t-on with self and prevent modifiers (order matters) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click.self.prevent\\"><span>Button</span></button></div>\`);
@@ -402,7 +379,6 @@ exports[`t-on t-on modifiers (native listener) t-on with self and prevent modifi
 exports[`t-on t-on modifiers (native listener) t-on with self modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click\\"><span>Button</span></button><button block-handler-1=\\"click.self\\"><span>Button</span></button></div>\`);
@@ -418,7 +394,6 @@ exports[`t-on t-on modifiers (native listener) t-on with self modifier 1`] = `
 exports[`t-on t-on modifiers (synthetic listener) basic support for synthetic 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-handler-0=\\"click.synthetic\\"><button block-handler-1=\\"click.synthetic\\">Button</button></div>\`);
@@ -434,7 +409,6 @@ exports[`t-on t-on modifiers (synthetic listener) basic support for synthetic 1`
 exports[`t-on t-on with inline statement (function call) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -450,7 +424,6 @@ exports[`t-on t-on with inline statement (function call) 1`] = `
 exports[`t-on t-on with inline statement 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -466,7 +439,6 @@ exports[`t-on t-on with inline statement 1`] = `
 exports[`t-on t-on with inline statement, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Toggle</button>\`);
@@ -482,7 +454,6 @@ exports[`t-on t-on with inline statement, part 2 1`] = `
 exports[`t-on t-on with inline statement, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Toggle</button>\`);
@@ -499,7 +470,6 @@ exports[`t-on t-on with inline statement, part 3 1`] = `
 exports[`t-on t-on with t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -515,7 +485,6 @@ exports[`t-on t-on with t-call 1`] = `
 exports[`t-on t-on with t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
@@ -530,7 +499,6 @@ exports[`t-on t-on with t-call 2`] = `
 exports[`t-on t-on, with arguments and t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -546,7 +514,6 @@ exports[`t-on t-on, with arguments and t-call 1`] = `
 exports[`t-on t-on, with arguments and t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);

tests/compiler/__snapshots__/misc.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`misc complex template 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`SlotButton\`, true, false, false, false);
@@ -83,7 +82,6 @@ exports[`misc complex template 1`] = `
 exports[`misc global 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, isBoundary, withDefault, setContextValue, zero, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`_callee-uses-foo\`);
@@ -136,7 +134,6 @@ exports[`misc global 1`] = `
 exports[`misc global 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { withDefault } = helpers;
   
@@ -152,7 +149,6 @@ exports[`misc global 2`] = `
 exports[`misc global 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -169,15 +165,14 @@ exports[`misc global 3`] = `
 exports[`misc global 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
-  let { safeOutput, withDefault } = helpers;
+  let { safeOutput } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const b3 = text(\`toto default\`);
-    const b2 = withDefault(safeOutput(ctx['toto']), b3);
+    const b2 = safeOutput(ctx['toto'], b3);
     return block1([], [b2]);
   }
 }"
@@ -186,7 +181,6 @@ exports[`misc global 4`] = `
 exports[`misc other complex template 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`LOAD_INFOS_TEMPLATE\`);
@@ -275,7 +269,7 @@ exports[`misc other complex template 1`] = `
         ctx[\`category\`] = v_block15[i1];
         const key1 = ctx['category'].id;
         let attr6 = ctx['category'].id;
-        let attr7 = ctx['category'].id==ctx['options'].active_category_id;
+        let attr7 = new Boolean(ctx['category'].id==ctx['options'].active_category_id);
         let txt5 = ctx['category'].name;
         c_block15[i1] = withKey(block16([attr6, attr7, txt5]), key1);
       }
@@ -283,7 +277,7 @@ exports[`misc other complex template 1`] = `
       const b15 = list(c_block15);
       b14 = block14([], [b15]);
     }
-    let attr8 = ctx['search'].value;
+    let attr8 = new String(ctx['search'].value);
     let hdlr4 = [ctx['updateFilter'], ctx];
     let hdlr5 = [ctx['updateFilter'], ctx];
     let hdlr6 = [ctx['clearSearch'], ctx];
@@ -297,7 +291,7 @@ exports[`misc other complex template 1`] = `
         if (!ctx['trigger'].manual&&ctx['trigger'].project_id===ctx['project'].id&&ctx['trigger'].category_id===ctx['options'].active_category_id) {
           let attr9 = \`trigger_\${ctx['trigger'].id}\`;
           let attr10 = \`trigger_\${ctx['trigger'].id}\`;
-          let attr11 = ctx['options'].trigger_display[ctx['trigger'].id];
+          let attr11 = new Boolean(ctx['options'].trigger_display[ctx['trigger'].id]);
           let attr12 = ctx['trigger'].id;
           let hdlr7 = [ctx['updateTriggerDisplay'], ctx];
           let attr13 = \`trigger_\${ctx['trigger'].id}\`;

tests/compiler/__snapshots__/qweb_memory.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`memory t-foreach does not leak stuff in global scope 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   

tests/compiler/__snapshots__/simple_templates.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`simple templates, mostly static can render a table row 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<tr><td>cell</td></tr>\`);
@@ -17,7 +16,6 @@ exports[`simple templates, mostly static can render a table row 1`] = `
 exports[`simple templates, mostly static div with a class attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"abc\\">foo</div>\`);
@@ -31,7 +29,6 @@ exports[`simple templates, mostly static div with a class attribute 1`] = `
 exports[`simple templates, mostly static div with a class attribute with a quote 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"a'bc\\">word</div>\`);
@@ -45,7 +42,6 @@ exports[`simple templates, mostly static div with a class attribute with a quote
 exports[`simple templates, mostly static div with a span child node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span>word</span></div>\`);
@@ -59,7 +55,6 @@ exports[`simple templates, mostly static div with a span child node 1`] = `
 exports[`simple templates, mostly static div with an arbitrary attribute with a quote 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div abc=\\"a'bc\\">word</div>\`);
@@ -73,7 +68,6 @@ exports[`simple templates, mostly static div with an arbitrary attribute with a
 exports[`simple templates, mostly static div with an empty class attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>word</div>\`);
@@ -87,7 +81,6 @@ exports[`simple templates, mostly static div with an empty class attribute 1`] =
 exports[`simple templates, mostly static div with content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>foo</div>\`);
@@ -101,7 +94,6 @@ exports[`simple templates, mostly static div with content 1`] = `
 exports[`simple templates, mostly static dom node with t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -116,7 +108,6 @@ exports[`simple templates, mostly static dom node with t-esc 1`] = `
 exports[`simple templates, mostly static dom node with t-esc 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -131,7 +122,6 @@ exports[`simple templates, mostly static dom node with t-esc 2`] = `
 exports[`simple templates, mostly static dynamic text value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -143,7 +133,6 @@ exports[`simple templates, mostly static dynamic text value 1`] = `
 exports[`simple templates, mostly static empty div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -157,7 +146,6 @@ exports[`simple templates, mostly static empty div 1`] = `
 exports[`simple templates, mostly static empty string 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -169,7 +157,6 @@ exports[`simple templates, mostly static empty string 1`] = `
 exports[`simple templates, mostly static empty string in a template set 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -181,7 +168,6 @@ exports[`simple templates, mostly static empty string in a template set 1`] = `
 exports[`simple templates, mostly static inline template string in t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -193,7 +179,6 @@ exports[`simple templates, mostly static inline template string in t-esc 1`] = `
 exports[`simple templates, mostly static inline template string with content in t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -209,7 +194,6 @@ exports[`simple templates, mostly static inline template string with content in
 exports[`simple templates, mostly static inline template string with variable in context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -221,7 +205,6 @@ exports[`simple templates, mostly static inline template string with variable in
 exports[`simple templates, mostly static multiple root nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<div>foo</div>\`);
@@ -238,7 +221,6 @@ exports[`simple templates, mostly static multiple root nodes 1`] = `
 exports[`simple templates, mostly static simple string 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -250,7 +232,6 @@ exports[`simple templates, mostly static simple string 1`] = `
 exports[`simple templates, mostly static simple string in t tag 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -262,7 +243,6 @@ exports[`simple templates, mostly static simple string in t tag 1`] = `
 exports[`simple templates, mostly static static text and dynamic text (no t tag) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -276,7 +256,6 @@ exports[`simple templates, mostly static static text and dynamic text (no t tag)
 exports[`simple templates, mostly static static text and dynamic text 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -290,7 +269,6 @@ exports[`simple templates, mostly static static text and dynamic text 1`] = `
 exports[`simple templates, mostly static t-esc in dom node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -305,7 +283,6 @@ exports[`simple templates, mostly static t-esc in dom node 1`] = `
 exports[`simple templates, mostly static t-esc in dom node, variations 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hello <block-text-0/></div>\`);
@@ -320,7 +297,6 @@ exports[`simple templates, mostly static t-esc in dom node, variations 1`] = `
 exports[`simple templates, mostly static t-esc in dom node, variations 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hello <block-text-0/> world</div>\`);
@@ -335,7 +311,6 @@ exports[`simple templates, mostly static t-esc in dom node, variations 2`] = `
 exports[`simple templates, mostly static template with multiple t tag with multiple content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/>Loading<block-text-2/></div>\`);
@@ -352,7 +327,6 @@ exports[`simple templates, mostly static template with multiple t tag with multi
 exports[`simple templates, mostly static template with t tag with multiple content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Loading<block-child-0/></div>\`);
@@ -370,7 +344,6 @@ exports[`simple templates, mostly static template with t tag with multiple conte
 exports[`simple templates, mostly static two t-escs next to each other 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -384,7 +357,6 @@ exports[`simple templates, mostly static two t-escs next to each other 1`] = `
 exports[`simple templates, mostly static two t-escs next to each other 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -398,7 +370,6 @@ exports[`simple templates, mostly static two t-escs next to each other 2`] = `
 exports[`simple templates, mostly static two t-escs next to each other, in a div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);

tests/compiler/__snapshots__/svg.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`properly support svg add proper namespace to g tags 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<g block-ns=\\"http://www.w3.org/2000/svg\\"><circle cx=\\"50\\" cy=\\"50\\" r=\\"4\\" stroke=\\"green\\" stroke-width=\\"1\\" fill=\\"yellow\\"/> </g>\`);
@@ -17,7 +16,6 @@ exports[`properly support svg add proper namespace to g tags 1`] = `
 exports[`properly support svg add proper namespace to svg 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\" width=\\"100px\\" height=\\"90px\\"><circle cx=\\"50\\" cy=\\"50\\" r=\\"4\\" stroke=\\"green\\" stroke-width=\\"1\\" fill=\\"yellow\\"/> </svg>\`);
@@ -31,7 +29,6 @@ exports[`properly support svg add proper namespace to svg 1`] = `
 exports[`properly support svg namespace to g tags not added if already in svg namespace 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\"><g/></svg>\`);
@@ -45,7 +42,6 @@ exports[`properly support svg namespace to g tags not added if already in svg na
 exports[`properly support svg namespace to svg tags added even if already in svg namespace 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\"><svg/></svg>\`);
@@ -59,7 +55,6 @@ exports[`properly support svg namespace to svg tags added even if already in svg
 exports[`properly support svg svg creates new block if it is within html -- 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -80,7 +75,6 @@ exports[`properly support svg svg creates new block if it is within html -- 2 1`
 exports[`properly support svg svg creates new block if it is within html 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -96,7 +90,6 @@ exports[`properly support svg svg creates new block if it is within html 1`] = `
 exports[`properly support svg svg namespace added to sub templates if root tag is path 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`path\`);
   
@@ -112,7 +105,6 @@ exports[`properly support svg svg namespace added to sub templates if root tag i
 exports[`properly support svg svg namespace added to sub templates if root tag is path 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<path block-ns=\\"http://www.w3.org/2000/svg\\"/>\`);
@@ -126,7 +118,6 @@ exports[`properly support svg svg namespace added to sub templates if root tag i
 exports[`properly support svg svg namespace added to sub-blocks 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\"><block-child-0/></svg>\`);

tests/compiler/__snapshots__/t_call.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-call (template calling) basic caller 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`_basic-callee\`);
   
@@ -19,7 +18,6 @@ exports[`t-call (template calling) basic caller 1`] = `
 exports[`t-call (template calling) basic caller 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>ok</span>\`);
@@ -33,7 +31,6 @@ exports[`t-call (template calling) basic caller 2`] = `
 exports[`t-call (template calling) basic caller, no parent node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`_basic-callee\`);
   
@@ -46,7 +43,6 @@ exports[`t-call (template calling) basic caller, no parent node 1`] = `
 exports[`t-call (template calling) basic caller, no parent node 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>ok</span>\`);
@@ -60,7 +56,6 @@ exports[`t-call (template calling) basic caller, no parent node 2`] = `
 exports[`t-call (template calling) call with several sub nodes on same line 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -86,7 +81,6 @@ exports[`t-call (template calling) call with several sub nodes on same line 1`]
 exports[`t-call (template calling) call with several sub nodes on same line 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -102,7 +96,6 @@ exports[`t-call (template calling) call with several sub nodes on same line 2`]
 exports[`t-call (template calling) cascading t-call t-out='0' 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`subTemplate\`);
@@ -128,7 +121,6 @@ exports[`t-call (template calling) cascading t-call t-out='0' 1`] = `
 exports[`t-call (template calling) cascading t-call t-out='0' 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`subSubTemplate\`);
@@ -152,7 +144,6 @@ exports[`t-call (template calling) cascading t-call t-out='0' 2`] = `
 exports[`t-call (template calling) cascading t-call t-out='0' 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`finalTemplate\`);
@@ -176,7 +167,6 @@ exports[`t-call (template calling) cascading t-call t-out='0' 3`] = `
 exports[`t-call (template calling) cascading t-call t-out='0' 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -192,7 +182,6 @@ exports[`t-call (template calling) cascading t-call t-out='0' 4`] = `
 exports[`t-call (template calling) cascading t-call t-out='0', without external divs 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`subTemplate\`);
@@ -216,7 +205,6 @@ exports[`t-call (template calling) cascading t-call t-out='0', without external
 exports[`t-call (template calling) cascading t-call t-out='0', without external divs 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`subSubTemplate\`);
@@ -238,7 +226,6 @@ exports[`t-call (template calling) cascading t-call t-out='0', without external
 exports[`t-call (template calling) cascading t-call t-out='0', without external divs 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`finalTemplate\`);
@@ -260,7 +247,6 @@ exports[`t-call (template calling) cascading t-call t-out='0', without external
 exports[`t-call (template calling) cascading t-call t-out='0', without external divs 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -277,7 +263,6 @@ exports[`t-call (template calling) cascading t-call t-out='0', without external
 exports[`t-call (template calling) dynamic t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const call = app.callTemplate.bind(app);
   
@@ -294,7 +279,6 @@ exports[`t-call (template calling) dynamic t-call 1`] = `
 exports[`t-call (template calling) dynamic t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<foo><block-text-0/></foo>\`);
@@ -309,7 +293,6 @@ exports[`t-call (template calling) dynamic t-call 2`] = `
 exports[`t-call (template calling) dynamic t-call 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<bar><block-text-0/></bar>\`);
@@ -324,7 +307,6 @@ exports[`t-call (template calling) dynamic t-call 3`] = `
 exports[`t-call (template calling) inherit context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -344,7 +326,6 @@ exports[`t-call (template calling) inherit context 1`] = `
 exports[`t-call (template calling) inherit context 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -356,7 +337,6 @@ exports[`t-call (template calling) inherit context 2`] = `
 exports[`t-call (template calling) recursive template, part 1 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`recursive\`);
   
@@ -375,7 +355,6 @@ exports[`t-call (template calling) recursive template, part 1 1`] = `
 exports[`t-call (template calling) recursive template, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`nodeTemplate\`);
@@ -397,7 +376,6 @@ exports[`t-call (template calling) recursive template, part 2 1`] = `
 exports[`t-call (template calling) recursive template, part 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, isBoundary, withDefault, setContextValue, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`nodeTemplate\`);
@@ -432,7 +410,6 @@ exports[`t-call (template calling) recursive template, part 2 2`] = `
 exports[`t-call (template calling) recursive template, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`nodeTemplate\`);
@@ -454,7 +431,6 @@ exports[`t-call (template calling) recursive template, part 3 1`] = `
 exports[`t-call (template calling) recursive template, part 3 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, isBoundary, withDefault, setContextValue, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`nodeTemplate\`);
@@ -489,7 +465,6 @@ exports[`t-call (template calling) recursive template, part 3 2`] = `
 exports[`t-call (template calling) recursive template, part 4: with t-set recursive index 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`nodeTemplate\`);
@@ -512,7 +487,6 @@ exports[`t-call (template calling) recursive template, part 4: with t-set recurs
 exports[`t-call (template calling) recursive template, part 4: with t-set recursive index 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`nodeTemplate\`);
@@ -549,7 +523,6 @@ exports[`t-call (template calling) recursive template, part 4: with t-set recurs
 exports[`t-call (template calling) scoped parameters 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -573,7 +546,6 @@ exports[`t-call (template calling) scoped parameters 1`] = `
 exports[`t-call (template calling) scoped parameters 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -585,7 +557,6 @@ exports[`t-call (template calling) scoped parameters 2`] = `
 exports[`t-call (template calling) scoped parameters, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -610,7 +581,6 @@ exports[`t-call (template calling) scoped parameters, part 2 1`] = `
 exports[`t-call (template calling) scoped parameters, part 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -622,7 +592,6 @@ exports[`t-call (template calling) scoped parameters, part 2 2`] = `
 exports[`t-call (template calling) t-call allowed on a non t node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -638,7 +607,6 @@ exports[`t-call (template calling) t-call allowed on a non t node 1`] = `
 exports[`t-call (template calling) t-call allowed on a non t node 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>ok</span>\`);
@@ -652,7 +620,6 @@ exports[`t-call (template calling) t-call allowed on a non t node 2`] = `
 exports[`t-call (template calling) t-call on a div with t-call-context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -669,7 +636,6 @@ exports[`t-call (template calling) t-call on a div with t-call-context 1`] = `
 exports[`t-call (template calling) t-call on a div with t-call-context 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -684,7 +650,6 @@ exports[`t-call (template calling) t-call on a div with t-call-context 2`] = `
 exports[`t-call (template calling) t-call with body content as root of a template 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`antony\`);
@@ -704,7 +669,6 @@ exports[`t-call (template calling) t-call with body content as root of a templat
 exports[`t-call (template calling) t-call with body content as root of a template 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -720,7 +684,6 @@ exports[`t-call (template calling) t-call with body content as root of a templat
 exports[`t-call (template calling) t-call with t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -739,7 +702,6 @@ exports[`t-call (template calling) t-call with t-if 1`] = `
 exports[`t-call (template calling) t-call with t-if 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>ok</span>\`);
@@ -753,7 +715,6 @@ exports[`t-call (template calling) t-call with t-if 2`] = `
 exports[`t-call (template calling) t-call with t-set inside and body text content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -775,7 +736,6 @@ exports[`t-call (template calling) t-call with t-set inside and body text conten
 exports[`t-call (template calling) t-call with t-set inside and body text content 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
@@ -790,7 +750,6 @@ exports[`t-call (template calling) t-call with t-set inside and body text conten
 exports[`t-call (template calling) t-call with t-set inside and outside 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, isBoundary, withDefault, setContextValue, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -825,7 +784,6 @@ exports[`t-call (template calling) t-call with t-set inside and outside 1`] = `
 exports[`t-call (template calling) t-call with t-set inside and outside 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -840,7 +798,6 @@ exports[`t-call (template calling) t-call with t-set inside and outside 2`] = `
 exports[`t-call (template calling) t-call with t-set inside and outside. 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`main\`);
@@ -860,7 +817,6 @@ exports[`t-call (template calling) t-call with t-set inside and outside. 2 1`] =
 exports[`t-call (template calling) t-call with t-set inside and outside. 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, isBoundary, withDefault, setContextValue, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -895,7 +851,6 @@ exports[`t-call (template calling) t-call with t-set inside and outside. 2 2`] =
 exports[`t-call (template calling) t-call with t-set inside and outside. 2 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<span><block-text-0/></span>\`);
@@ -912,7 +867,6 @@ exports[`t-call (template calling) t-call with t-set inside and outside. 2 3`] =
 exports[`t-call (template calling) t-call, conditional and t-set in t-call body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`callee1\`);
@@ -942,7 +896,6 @@ exports[`t-call (template calling) t-call, conditional and t-set in t-call body
 exports[`t-call (template calling) t-call, conditional and t-set in t-call body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>callee1</div>\`);
@@ -956,7 +909,6 @@ exports[`t-call (template calling) t-call, conditional and t-set in t-call body
 exports[`t-call (template calling) t-call, conditional and t-set in t-call body 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>callee2 <block-text-0/></div>\`);
@@ -971,7 +923,6 @@ exports[`t-call (template calling) t-call, conditional and t-set in t-call body
 exports[`t-call (template calling) t-call-context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -985,7 +936,6 @@ exports[`t-call (template calling) t-call-context 1`] = `
 exports[`t-call (template calling) t-call-context 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -1000,7 +950,6 @@ exports[`t-call (template calling) t-call-context 2`] = `
 exports[`t-call (template calling) t-call-context and value in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -1020,7 +969,6 @@ exports[`t-call (template calling) t-call-context and value in body 1`] = `
 exports[`t-call (template calling) t-call-context and value in body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
@@ -1036,7 +984,6 @@ exports[`t-call (template calling) t-call-context and value in body 2`] = `
 exports[`t-call (template calling) t-esc inside t-call, with t-set outside 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -1056,7 +1003,6 @@ exports[`t-call (template calling) t-esc inside t-call, with t-set outside 1`] =
 exports[`t-call (template calling) t-esc inside t-call, with t-set outside 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -1071,7 +1017,6 @@ exports[`t-call (template calling) t-esc inside t-call, with t-set outside 2`] =
 exports[`t-call (template calling) with unused body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -1089,7 +1034,6 @@ exports[`t-call (template calling) with unused body 1`] = `
 exports[`t-call (template calling) with unused body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>ok</div>\`);
@@ -1103,7 +1047,6 @@ exports[`t-call (template calling) with unused body 2`] = `
 exports[`t-call (template calling) with unused setbody 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -1122,7 +1065,6 @@ exports[`t-call (template calling) with unused setbody 1`] = `
 exports[`t-call (template calling) with unused setbody 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>ok</div>\`);
@@ -1136,7 +1078,6 @@ exports[`t-call (template calling) with unused setbody 2`] = `
 exports[`t-call (template calling) with used body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -1154,7 +1095,6 @@ exports[`t-call (template calling) with used body 1`] = `
 exports[`t-call (template calling) with used body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -1170,7 +1110,6 @@ exports[`t-call (template calling) with used body 2`] = `
 exports[`t-call (template calling) with used setbody 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -1192,7 +1131,6 @@ exports[`t-call (template calling) with used setbody 1`] = `
 exports[`t-call (template calling) with used setbody 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {

tests/compiler/__snapshots__/t_debug_log.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`debugging t-debug 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -24,7 +23,6 @@ exports[`debugging t-debug 1`] = `
 exports[`debugging t-debug on sub template 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p>coucou</p>\`);
@@ -39,7 +37,6 @@ exports[`debugging t-debug on sub template 1`] = `
 exports[`debugging t-debug on sub template 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -55,7 +52,6 @@ exports[`debugging t-debug on sub template 2`] = `
 exports[`debugging t-log 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   

tests/compiler/__snapshots__/t_esc.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-esc div with falsy values 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   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>\`);
@@ -22,7 +21,6 @@ exports[`t-esc div with falsy values 1`] = `
 exports[`t-esc escaping 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -37,7 +35,6 @@ exports[`t-esc escaping 1`] = `
 exports[`t-esc escaping on a node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -52,7 +49,6 @@ exports[`t-esc escaping on a node 1`] = `
 exports[`t-esc escaping on a node with a body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { withDefault } = helpers;
   
@@ -68,7 +64,6 @@ exports[`t-esc escaping on a node with a body 1`] = `
 exports[`t-esc escaping on a node with a body, as a default 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { withDefault } = helpers;
   
@@ -84,7 +79,6 @@ exports[`t-esc escaping on a node with a body, as a default 1`] = `
 exports[`t-esc falsy values in text nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -105,7 +99,6 @@ exports[`t-esc falsy values in text nodes 1`] = `
 exports[`t-esc literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -120,7 +113,6 @@ exports[`t-esc literal 1`] = `
 exports[`t-esc t-esc is escaped 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   
@@ -141,10 +133,34 @@ exports[`t-esc t-esc is escaped 1`] = `
 }"
 `;
 
+exports[`t-esc t-esc with the 0 number 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(ctx['var']);
+  }
+}"
+`;
+
+exports[`t-esc t-esc with the 0 number, in a p 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  
+  let block1 = createBlock(\`<p><block-text-0/></p>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    let txt1 = ctx['var'];
+    return block1([txt1]);
+  }
+}"
+`;
+
 exports[`t-esc t-esc work with spread operator 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -159,7 +175,6 @@ exports[`t-esc t-esc work with spread operator 1`] = `
 exports[`t-esc t-esc=0 is escaped 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -181,7 +196,6 @@ exports[`t-esc t-esc=0 is escaped 1`] = `
 exports[`t-esc t-esc=0 is escaped 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -194,10 +208,20 @@ exports[`t-esc t-esc=0 is escaped 2`] = `
 }"
 `;
 
+exports[`t-esc top level t-esc with undefined 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(ctx['var']);
+  }
+}"
+`;
+
 exports[`t-esc variable 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);

tests/compiler/__snapshots__/t_foreach.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-foreach does not pollute the rendering context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -26,7 +25,6 @@ exports[`t-foreach does not pollute the rendering context 1`] = `
 exports[`t-foreach iterate on items (on a element node) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -51,7 +49,6 @@ exports[`t-foreach iterate on items (on a element node) 1`] = `
 exports[`t-foreach iterate on items 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -83,7 +80,6 @@ exports[`t-foreach iterate on items 1`] = `
 exports[`t-foreach iterate, dict param 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -115,7 +111,6 @@ exports[`t-foreach iterate, dict param 1`] = `
 exports[`t-foreach iterate, position 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -152,7 +147,6 @@ exports[`t-foreach iterate, position 1`] = `
 exports[`t-foreach simple iteration (in a node) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -175,7 +169,6 @@ exports[`t-foreach simple iteration (in a node) 1`] = `
 exports[`t-foreach simple iteration 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -195,7 +188,6 @@ exports[`t-foreach simple iteration 1`] = `
 exports[`t-foreach simple iteration with two nodes inside 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -222,7 +214,6 @@ exports[`t-foreach simple iteration with two nodes inside 1`] = `
 exports[`t-foreach t-call with body in t-foreach in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, isBoundary, withDefault, setContextValue, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -276,7 +267,6 @@ exports[`t-foreach t-call with body in t-foreach in t-foreach 1`] = `
 exports[`t-foreach t-call with body in t-foreach in t-foreach 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -295,7 +285,6 @@ exports[`t-foreach t-call with body in t-foreach in t-foreach 2`] = `
 exports[`t-foreach t-call without body in t-foreach in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -343,7 +332,6 @@ exports[`t-foreach t-call without body in t-foreach in t-foreach 1`] = `
 exports[`t-foreach t-call without body in t-foreach in t-foreach 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -366,7 +354,6 @@ exports[`t-foreach t-call without body in t-foreach in t-foreach 2`] = `
 exports[`t-foreach t-foreach in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -401,7 +388,6 @@ exports[`t-foreach t-foreach in t-foreach 1`] = `
 exports[`t-foreach t-foreach with t-if inside (no external node) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -428,7 +414,6 @@ exports[`t-foreach t-foreach with t-if inside (no external node) 1`] = `
 exports[`t-foreach t-foreach with t-if inside 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -457,7 +442,6 @@ exports[`t-foreach t-foreach with t-if inside 1`] = `
 exports[`t-foreach t-key on t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -481,7 +465,6 @@ exports[`t-foreach t-key on t-foreach 1`] = `
 exports[`t-foreach throws error if invalid loop expression 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -507,7 +490,6 @@ exports[`t-foreach throws error if invalid loop expression 1`] = `
 exports[`t-foreach with t-memo 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   

tests/compiler/__snapshots__/t_if.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-if a t-if next to a div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<div>foo</div>\`);
@@ -22,7 +21,6 @@ exports[`t-if a t-if next to a div 1`] = `
 exports[`t-if a t-if with two inner nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block3 = createBlock(\`<span>yip</span>\`);
@@ -43,7 +41,6 @@ exports[`t-if a t-if with two inner nodes 1`] = `
 exports[`t-if boolean value condition elif (no outside node) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -65,7 +62,6 @@ exports[`t-if boolean value condition elif (no outside node) 1`] = `
 exports[`t-if boolean value condition elif 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/><block-child-2/><block-child-3/></div>\`);
@@ -89,7 +85,6 @@ exports[`t-if boolean value condition elif 1`] = `
 exports[`t-if boolean value condition else 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span>begin</span><block-child-0/><block-child-1/><span>end</span></div>\`);
@@ -109,7 +104,6 @@ exports[`t-if boolean value condition else 1`] = `
 exports[`t-if boolean value condition false else 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span>begin</span><block-child-0/><block-child-1/><span>end</span></div>\`);
@@ -129,7 +123,6 @@ exports[`t-if boolean value condition false else 1`] = `
 exports[`t-if boolean value condition missing 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
@@ -147,7 +140,6 @@ exports[`t-if boolean value condition missing 1`] = `
 exports[`t-if can use some boolean operators in expressions 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   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>\`);
@@ -186,7 +178,6 @@ exports[`t-if can use some boolean operators in expressions 1`] = `
 exports[`t-if div containing a t-if with two inner nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -208,7 +199,6 @@ exports[`t-if div containing a t-if with two inner nodes 1`] = `
 exports[`t-if dynamic content after t-if with two children nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-text-0/></div>\`);
@@ -231,7 +221,6 @@ exports[`t-if dynamic content after t-if with two children nodes 1`] = `
 exports[`t-if just a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -247,7 +236,6 @@ exports[`t-if just a t-if 1`] = `
 exports[`t-if simple t-if/t-else 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -265,7 +253,6 @@ exports[`t-if simple t-if/t-else 1`] = `
 exports[`t-if simple t-if/t-else in a div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
@@ -285,7 +272,6 @@ exports[`t-if simple t-if/t-else in a div 1`] = `
 exports[`t-if t-esc with t-elif 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
@@ -305,7 +291,6 @@ exports[`t-if t-esc with t-elif 1`] = `
 exports[`t-if t-esc with t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -323,7 +308,6 @@ exports[`t-if t-esc with t-if 1`] = `
 exports[`t-if t-if and t-else with two nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block4 = createBlock(\`<span>a</span>\`);
@@ -346,7 +330,6 @@ exports[`t-if t-if and t-else with two nodes 1`] = `
 exports[`t-if t-if in a div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -364,7 +347,6 @@ exports[`t-if t-if in a div 1`] = `
 exports[`t-if t-if in a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -387,7 +369,6 @@ exports[`t-if t-if in a t-if 1`] = `
 exports[`t-if t-if with empty content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -404,7 +385,6 @@ exports[`t-if t-if with empty content 1`] = `
 exports[`t-if t-if/t-else with more content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -424,7 +404,6 @@ exports[`t-if t-if/t-else with more content 1`] = `
 exports[`t-if t-set, then t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -446,7 +425,6 @@ exports[`t-if t-set, then t-if 1`] = `
 exports[`t-if t-set, then t-if, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -470,7 +448,6 @@ exports[`t-if t-set, then t-if, part 2 1`] = `
 exports[`t-if t-set, then t-if, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -497,7 +474,6 @@ exports[`t-if t-set, then t-if, part 3 1`] = `
 exports[`t-if two consecutive t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -516,7 +492,6 @@ exports[`t-if two consecutive t-if 1`] = `
 exports[`t-if two consecutive t-if in a div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
@@ -537,7 +512,6 @@ exports[`t-if two consecutive t-if in a div 1`] = `
 exports[`t-if two t-ifs next to each other 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);

tests/compiler/__snapshots__/t_key.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-key can use t-key directive on a node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -19,7 +18,6 @@ exports[`t-key can use t-key directive on a node 1`] = `
 exports[`t-key can use t-key directive on a node 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -35,7 +33,6 @@ exports[`t-key can use t-key directive on a node 2 1`] = `
 exports[`t-key can use t-key directive on a node as a function 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -51,7 +48,6 @@ exports[`t-key can use t-key directive on a node as a function 1`] = `
 exports[`t-key t-key directive in a list 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -76,7 +72,6 @@ exports[`t-key t-key directive in a list 1`] = `
 exports[`t-key t-key on sub dom node pushes a child block in its parent 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
@@ -98,7 +93,6 @@ exports[`t-key t-key on sub dom node pushes a child block in its parent 1`] = `
 exports[`t-key t-key on sub dom node pushes a child block in its parent 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><h1/></div>\`);

tests/compiler/__snapshots__/t_out.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-out literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -19,7 +18,6 @@ exports[`t-out literal 1`] = `
 exports[`t-out literal, no outside html element 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -32,7 +30,6 @@ exports[`t-out literal, no outside html element 1`] = `
 exports[`t-out multiple calls to t-out 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -54,7 +51,6 @@ exports[`t-out multiple calls to t-out 1`] = `
 exports[`t-out multiple calls to t-out 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -71,7 +67,6 @@ exports[`t-out multiple calls to t-out 2`] = `
 exports[`t-out not escaping 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -87,7 +82,6 @@ exports[`t-out not escaping 1`] = `
 exports[`t-out number literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -103,7 +97,6 @@ exports[`t-out number literal 1`] = `
 exports[`t-out t-out 0 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`_basic-callee\`);
@@ -125,7 +118,6 @@ exports[`t-out t-out 0 1`] = `
 exports[`t-out t-out 0 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -141,7 +133,6 @@ exports[`t-out t-out 0 2`] = `
 exports[`t-out t-out and another sibling node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -157,7 +148,6 @@ exports[`t-out t-out and another sibling node 1`] = `
 exports[`t-out t-out bdom 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue, safeOutput } = helpers;
   
@@ -181,7 +171,6 @@ exports[`t-out t-out bdom 1`] = `
 exports[`t-out t-out block 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -197,7 +186,6 @@ exports[`t-out t-out block 1`] = `
 exports[`t-out t-out escaped 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -213,7 +201,6 @@ exports[`t-out t-out escaped 1`] = `
 exports[`t-out t-out markedup 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -229,15 +216,14 @@ exports[`t-out t-out markedup 1`] = `
 exports[`t-out t-out on a node with a body, as a default 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
-  let { safeOutput, withDefault } = helpers;
+  let { safeOutput } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const b3 = text(\`nope\`);
-    const b2 = withDefault(safeOutput(ctx['var']), b3);
+    const b2 = safeOutput(ctx['var'], b3);
     return block1([], [b2]);
   }
 }"
@@ -246,16 +232,15 @@ exports[`t-out t-out on a node with a body, as a default 1`] = `
 exports[`t-out t-out on a node with a dom node in body, as a default 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
-  let { safeOutput, withDefault } = helpers;
+  let { safeOutput } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   let block3 = createBlock(\`<div>nope</div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const b3 = block3();
-    const b2 = withDefault(safeOutput(ctx['var']), b3);
+    const b2 = safeOutput(ctx['var'], b3);
     return block1([], [b2]);
   }
 }"
@@ -264,7 +249,6 @@ exports[`t-out t-out on a node with a dom node in body, as a default 1`] = `
 exports[`t-out t-out switch escaped 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -280,7 +264,6 @@ exports[`t-out t-out switch escaped 1`] = `
 exports[`t-out t-out switch escaped on markup 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -296,7 +279,6 @@ exports[`t-out t-out switch escaped on markup 1`] = `
 exports[`t-out t-out switch markup 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -312,7 +294,6 @@ exports[`t-out t-out switch markup 1`] = `
 exports[`t-out t-out switch markup on bdom 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue, safeOutput } = helpers;
   
@@ -345,7 +326,6 @@ exports[`t-out t-out switch markup on bdom 1`] = `
 exports[`t-out t-out switch markup on escaped 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -361,7 +341,6 @@ exports[`t-out t-out switch markup on escaped 1`] = `
 exports[`t-out t-out with a <t/> in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -374,7 +353,6 @@ exports[`t-out t-out with a <t/> in body 1`] = `
 exports[`t-out t-out with arbitrary object 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -390,7 +368,6 @@ exports[`t-out t-out with arbitrary object 1`] = `
 exports[`t-out t-out with arbitrary object 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -406,7 +383,6 @@ exports[`t-out t-out with arbitrary object 2 1`] = `
 exports[`t-out t-out with comment 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -422,7 +398,45 @@ exports[`t-out t-out with comment 1`] = `
 exports[`t-out t-out with just a t-set t-value in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  let { safeOutput } = helpers;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return safeOutput(ctx['var']);
+  }
+}"
+`;
+
+exports[`t-out t-out with the 0 number 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  let { safeOutput } = helpers;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return safeOutput(ctx['var']);
+  }
+}"
+`;
+
+exports[`t-out t-out with the 0 number, in a p 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  let { safeOutput } = helpers;
+  
+  let block1 = createBlock(\`<p><block-child-0/></p>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const b2 = safeOutput(ctx['var']);
+    return block1([], [b2]);
+  }
+}"
+`;
+
+exports[`t-out top level t-out with undefined 1`] = `
+"function anonymous(app, bdom, helpers
+) {
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -435,7 +449,6 @@ exports[`t-out t-out with just a t-set t-value in body 1`] = `
 exports[`t-out variable 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -451,7 +464,6 @@ exports[`t-out variable 1`] = `
 exports[`t-out with a String class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -467,7 +479,6 @@ exports[`t-out with a String class 1`] = `
 exports[`t-out with an extended String class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -483,7 +494,6 @@ exports[`t-out with an extended String class 1`] = `
 exports[`t-raw is deprecated should warn 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -499,7 +509,6 @@ exports[`t-raw is deprecated should warn 1`] = `
 exports[`t-raw is deprecated t-out is actually called in t-raw's place 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   

tests/compiler/__snapshots__/t_ref.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-ref can get a dynamic ref on a node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span block-ref=\\"0\\"/></div>\`);
@@ -20,7 +19,6 @@ exports[`t-ref can get a dynamic ref on a node 1`] = `
 exports[`t-ref can get a dynamic ref on a node, alternate syntax 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span block-ref=\\"0\\"/></div>\`);
@@ -37,7 +35,6 @@ exports[`t-ref can get a dynamic ref on a node, alternate syntax 1`] = `
 exports[`t-ref can get a ref on a node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span block-ref=\\"0\\"/></div>\`);
@@ -53,7 +50,6 @@ exports[`t-ref can get a ref on a node 1`] = `
 exports[`t-ref ref in a t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -69,7 +65,6 @@ exports[`t-ref ref in a t-call 1`] = `
 exports[`t-ref ref in a t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>1<span block-ref=\\"0\\"/>2</div>\`);
@@ -85,7 +80,6 @@ exports[`t-ref ref in a t-call 2`] = `
 exports[`t-ref ref in a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -106,7 +100,6 @@ exports[`t-ref ref in a t-if 1`] = `
 exports[`t-ref refs in a loop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -135,7 +128,6 @@ exports[`t-ref refs in a loop 1`] = `
 exports[`t-ref two refs, one in a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><p block-ref=\\"0\\"/></div>\`);

tests/compiler/__snapshots__/t_set.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-set evaluate value expression 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -22,7 +21,6 @@ exports[`t-set evaluate value expression 1`] = `
 exports[`t-set evaluate value expression, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -41,7 +39,6 @@ exports[`t-set evaluate value expression, part 2 1`] = `
 exports[`t-set set from attribute literal (no outside div) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -57,7 +54,6 @@ exports[`t-set set from attribute literal (no outside div) 1`] = `
 exports[`t-set set from attribute literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -76,7 +72,6 @@ exports[`t-set set from attribute literal 1`] = `
 exports[`t-set set from attribute lookup 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -95,7 +90,6 @@ exports[`t-set set from attribute lookup 1`] = `
 exports[`t-set set from body literal (with t-if/t-else 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   
@@ -121,7 +115,6 @@ exports[`t-set set from body literal (with t-if/t-else 1`] = `
 exports[`t-set set from body literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -137,7 +130,6 @@ exports[`t-set set from body literal 1`] = `
 exports[`t-set set from body lookup 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   
@@ -160,7 +152,6 @@ exports[`t-set set from body lookup 1`] = `
 exports[`t-set set from empty body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -179,7 +170,6 @@ exports[`t-set set from empty body 1`] = `
 exports[`t-set t-set and t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -201,7 +191,6 @@ exports[`t-set t-set and t-if 1`] = `
 exports[`t-set t-set body is evaluated immediately 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, LazyValue, safeOutput } = helpers;
   
@@ -228,7 +217,6 @@ exports[`t-set t-set body is evaluated immediately 1`] = `
 exports[`t-set t-set can't alter from within callee 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -250,7 +238,6 @@ exports[`t-set t-set can't alter from within callee 1`] = `
 exports[`t-set t-set can't alter from within callee 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -270,7 +257,6 @@ exports[`t-set t-set can't alter from within callee 2`] = `
 exports[`t-set t-set can't alter in t-call body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -296,7 +282,6 @@ exports[`t-set t-set can't alter in t-call body 1`] = `
 exports[`t-set t-set can't alter in t-call body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -316,7 +301,6 @@ exports[`t-set t-set can't alter in t-call body 2`] = `
 exports[`t-set t-set does not modify render context existing key values 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -335,7 +319,6 @@ exports[`t-set t-set does not modify render context existing key values 1`] = `
 exports[`t-set t-set evaluates an expression only once 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -355,7 +338,6 @@ exports[`t-set t-set evaluates an expression only once 1`] = `
 exports[`t-set t-set outside modified in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
@@ -386,7 +368,6 @@ exports[`t-set t-set outside modified in t-foreach 1`] = `
 exports[`t-set t-set outside modified in t-foreach increment-after operator 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
@@ -417,7 +398,6 @@ exports[`t-set t-set outside modified in t-foreach increment-after operator 1`]
 exports[`t-set t-set outside modified in t-foreach increment-before operator 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
@@ -448,7 +428,6 @@ exports[`t-set t-set outside modified in t-foreach increment-before operator 1`]
 exports[`t-set t-set should reuse variable if possible 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
@@ -478,7 +457,6 @@ exports[`t-set t-set should reuse variable if possible 1`] = `
 exports[`t-set t-set with content and sub t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   
@@ -503,7 +481,6 @@ exports[`t-set t-set with content and sub t-esc 1`] = `
 exports[`t-set t-set with t-value (falsy) and body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, LazyValue, safeOutput } = helpers;
   
@@ -532,7 +509,6 @@ exports[`t-set t-set with t-value (falsy) and body 1`] = `
 exports[`t-set t-set with t-value (truthy) and body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, LazyValue, safeOutput } = helpers;
   
@@ -558,14 +534,36 @@ exports[`t-set t-set with t-value (truthy) and body 1`] = `
 }"
 `;
 
-exports[`t-set t-set, t-if, and mix of expression/body lookup, 1 1`] = `
+exports[`t-set t-set, multiple t-ifs, and a specific configuration 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-text-0/></div>\`);
+  let block1 = createBlock(\`<p><div><span>First div</span></div><div><block-child-0/></div></p>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    ctx = Object.create(ctx);
+    ctx[isBoundary] = 1
+    let b2;
+    if (ctx['flag']) {
+      setContextValue(ctx, \\"bouh\\", 2);
+    }
+    if (!ctx['flag']) {
+      b2 = text(\`Second\`);
+    }
+    return block1([], [b2]);
+  }
+}"
+`;
+
+exports[`t-set t-set, t-if, and mix of expression/body lookup, 1 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  let { isBoundary, withDefault, setContextValue } = helpers;
+  
+  let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -584,11 +582,10 @@ exports[`t-set t-set, t-if, and mix of expression/body lookup, 1 1`] = `
 exports[`t-set t-set, t-if, and mix of expression/body lookup, 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-text-0/></div>\`);
+  let block1 = createBlock(\`<div><block-text-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -607,7 +604,6 @@ exports[`t-set t-set, t-if, and mix of expression/body lookup, 2 1`] = `
 exports[`t-set t-set, t-if, and mix of expression/body lookup, 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -629,7 +625,6 @@ exports[`t-set t-set, t-if, and mix of expression/body lookup, 3 1`] = `
 exports[`t-set value priority (with non text body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   
@@ -653,7 +648,6 @@ exports[`t-set value priority (with non text body 1`] = `
 exports[`t-set value priority 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   

tests/compiler/__snapshots__/t_tag.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`qweb t-tag can fallback if falsy tag 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 'fallback'}/>\`);
@@ -18,7 +17,6 @@ exports[`qweb t-tag can fallback if falsy tag 1`] = `
 exports[`qweb t-tag can update 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'}/>\`);
@@ -33,7 +31,6 @@ exports[`qweb t-tag can update 1`] = `
 exports[`qweb t-tag simple usecases 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'}/>\`);
@@ -48,7 +45,6 @@ exports[`qweb t-tag simple usecases 1`] = `
 exports[`qweb t-tag simple usecases 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'}>text</\${tag || 't'}>\`);
@@ -63,7 +59,6 @@ exports[`qweb t-tag simple usecases 2`] = `
 exports[`qweb t-tag with multiple attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'} class=\\"blueberry\\" taste=\\"raspberry\\">gooseberry</\${tag || 't'}>\`);
@@ -78,7 +73,6 @@ exports[`qweb t-tag with multiple attributes 1`] = `
 exports[`qweb t-tag with multiple child nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'}> pear <span>apple</span> strawberry </\${tag || 't'}>\`);
@@ -93,7 +87,6 @@ exports[`qweb t-tag with multiple child nodes 1`] = `
 exports[`qweb t-tag with multiple t-tag in same template 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'}><block-child-0/></\${tag || 't'}>\`);
@@ -111,7 +104,6 @@ exports[`qweb t-tag with multiple t-tag in same template 1`] = `
 exports[`qweb t-tag with multiple t-tag in same template, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = tag => createBlock(\`<\${tag || 't'}>bar</\${tag || 't'}>\`);

tests/compiler/__snapshots__/template_set.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`loading templates addTemplates does not modify its xml document in place 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -18,7 +17,6 @@ exports[`loading templates addTemplates does not modify its xml document in plac
 exports[`loading templates can initialize qweb with a string 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>jupiler</div>\`);
@@ -32,7 +30,6 @@ exports[`loading templates can initialize qweb with a string 1`] = `
 exports[`loading templates can initialize qweb with an XMLDocument 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>jupiler</div>\`);
@@ -46,7 +43,6 @@ exports[`loading templates can initialize qweb with an XMLDocument 1`] = `
 exports[`loading templates can load a few templates from a xml string 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`items\`);
   
@@ -62,7 +58,6 @@ exports[`loading templates can load a few templates from a xml string 1`] = `
 exports[`loading templates can load a few templates from a xml string 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<li>ok</li>\`);
@@ -79,7 +74,6 @@ exports[`loading templates can load a few templates from a xml string 2`] = `
 exports[`loading templates can load a few templates from an XMLDocument 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`items\`);
   
@@ -95,7 +89,6 @@ exports[`loading templates can load a few templates from an XMLDocument 1`] = `
 exports[`loading templates can load a few templates from an XMLDocument 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<li>ok</li>\`);

tests/compiler/__snapshots__/translation.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`translation support can set and remove translatable attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div tomato=\\"word\\" potato=\\"mot\\" title=\\"mot\\" label=\\"word\\">text</div>\`);
@@ -17,7 +16,6 @@ exports[`translation support can set and remove translatable attributes 1`] = `
 exports[`translation support can translate node content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>mot</div>\`);
@@ -31,7 +29,6 @@ exports[`translation support can translate node content 1`] = `
 exports[`translation support does not translate node content if disabled 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span>mot</span><span>word</span></div>\`);
@@ -45,7 +42,6 @@ exports[`translation support does not translate node content if disabled 1`] = `
 exports[`translation support some attributes are translated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   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>\`);
@@ -59,7 +55,6 @@ exports[`translation support some attributes are translated 1`] = `
 exports[`translation support translation is done on the trimmed text, with extra spaces readded after 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div> mot </div>\`);

tests/compiler/__snapshots__/white_space.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`white space handling consecutives whitespaces are condensed into a single space 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div> abc </div>\`);
@@ -17,7 +16,6 @@ exports[`white space handling consecutives whitespaces are condensed into a sing
 exports[`white space handling nothing is done in pre tags 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<pre>   </pre>\`);
@@ -31,7 +29,6 @@ exports[`white space handling nothing is done in pre tags 1`] = `
 exports[`white space handling nothing is done in pre tags 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<pre>
@@ -47,7 +44,6 @@ exports[`white space handling nothing is done in pre tags 2`] = `
 exports[`white space handling nothing is done in pre tags 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<pre>
@@ -63,7 +59,6 @@ exports[`white space handling nothing is done in pre tags 3`] = `
 exports[`white space handling pre inside a div with a new line 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><pre>SomeText</pre></div>\`);
@@ -77,7 +72,6 @@ exports[`white space handling pre inside a div with a new line 1`] = `
 exports[`white space handling white space only text nodes are condensed into a single space 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div> </div>\`);
@@ -91,7 +85,6 @@ exports[`white space handling white space only text nodes are condensed into a s
 exports[`white space handling whitespace only text nodes with newlines are removed 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span>abc</span></div>\`);

tests/compiler/attributes.test.ts

@@ -429,6 +429,42 @@ describe("special cases for some specific html attributes/properties", () => {
     expect(input.value).toBe("potato");
   });
 
+  test("input with t-att-value (patching with same value", () => {
+    // render input with initial value
+    const template = `<input t-att-value="v"/>`;
+    const bnode1 = renderToBdom(template, { v: "zucchini" });
+    const fixture = makeTestFixture();
+    mount(bnode1, fixture);
+    const input = fixture.querySelector("input")!;
+    expect(input.value).toBe("zucchini");
+
+    // change value manually in input, to simulate user input
+    input.value = "tomato";
+    expect(input.value).toBe("tomato");
+
+    const bnode2 = renderToBdom(template, { v: "zucchini" });
+    patch(bnode1, bnode2);
+    expect(input.value).toBe("zucchini");
+  });
+
+  test("input, type checkbox, with t-att-checked (patching with same value", () => {
+    // render input with initial value
+    const template = `<input type="checkbox" t-att-checked="v"/>`;
+    const bnode1 = renderToBdom(template, { v: true });
+    const fixture = makeTestFixture();
+    mount(bnode1, fixture);
+    const input = fixture.querySelector("input")!;
+    expect(input.checked).toBe(true);
+
+    // change checked manually in input, to simulate user input
+    input.checked = false;
+    expect(input.checked).toBe(false);
+
+    const bnode2 = renderToBdom(template, { v: true });
+    patch(bnode1, bnode2);
+    expect(input.checked).toBe(true);
+  });
+
   test("input of type checkbox with t-att-indeterminate", () => {
     const template = `<input type="checkbox" t-att-indeterminate="v"/>`;
     const bnode1 = renderToBdom(template, { v: true });

tests/compiler/t_esc.test.ts

@@ -67,6 +67,21 @@ describe("t-esc", () => {
     );
   });
 
+  test("t-esc with the 0 number", () => {
+    const template = `<t t-esc="var"/>`;
+    expect(renderToString(template, { var: 0 })).toBe("0");
+  });
+
+  test("t-esc with the 0 number, in a p", () => {
+    const template = `<p><t t-esc="var"/></p>`;
+    expect(renderToString(template, { var: 0 })).toBe("<p>0</p>");
+  });
+
+  test("top level t-esc with undefined", () => {
+    const template = `<t t-esc="var"/>`;
+    expect(renderToString(template, { var: undefined })).toBe("");
+  });
+
   test("falsy values in text nodes", () => {
     const template = `
         <t t-esc="v1"/>:<t t-esc="v2"/>:<t t-esc="v3"/>:<t t-esc="v4"/>:<t t-esc="v5"/>`;

tests/compiler/t_out.test.ts

@@ -47,6 +47,21 @@ describe("t-out", () => {
     expect(renderToString(template, { var: new String("ok") })).toBe("<span>ok</span>");
   });
 
+  test("t-out with the 0 number", () => {
+    const template = `<t t-out="var"/>`;
+    expect(renderToString(template, { var: 0 })).toBe("0");
+  });
+
+  test("t-out with the 0 number, in a p", () => {
+    const template = `<p><t t-out="var"/></p>`;
+    expect(renderToString(template, { var: 0 })).toBe("<p>0</p>");
+  });
+
+  test("top level t-out with undefined", () => {
+    const template = `<t t-out="var"/>`;
+    expect(renderToString(template, { var: undefined })).toBe("");
+  });
+
   test("with an extended String class", () => {
     class LoveString extends String {
       valueOf(): string {

tests/compiler/t_set.test.ts

@@ -33,6 +33,22 @@ describe("t-set", () => {
     expect(renderToString(template, { value: "ok" })).toBe("<div>grimbergen</div>");
   });
 
+  test("t-set, multiple t-ifs, and a specific configuration", () => {
+    const template = `
+      <p>
+        <div>
+          <t t-if="flag" t-set="bouh" t-value="2"/>
+          <span>First div</span>
+        </div>
+        <div>
+          <t t-if="!flag">Second</t>
+        </div>
+      </p>`;
+    expect(renderToString(template)).toBe(
+      "<p><div><span>First div</span></div><div>Second</div></p>"
+    );
+  });
+
   test("set from body literal", () => {
     const template = `<t><t t-set="value">ok</t><t t-esc="value"/></t>`;
     expect(renderToString(template)).toBe("ok");

tests/components/__snapshots__/basics.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`basics GrandChild display is controlled by its GrandParent 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, false);
   
@@ -17,7 +16,6 @@ exports[`basics GrandChild display is controlled by its GrandParent 1`] = `
 exports[`basics GrandChild display is controlled by its GrandParent 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`GrandChild\`, true, false, false, true);
   
@@ -34,7 +32,6 @@ exports[`basics GrandChild display is controlled by its GrandParent 2`] = `
 exports[`basics GrandChild display is controlled by its GrandParent 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -48,7 +45,6 @@ exports[`basics GrandChild display is controlled by its GrandParent 3`] = `
 exports[`basics Multi root component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<span>1</span>\`);
@@ -66,7 +62,6 @@ exports[`basics Multi root component 1`] = `
 exports[`basics a class component inside a class component, no external dom 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -79,7 +74,6 @@ exports[`basics a class component inside a class component, no external dom 1`]
 exports[`basics a class component inside a class component, no external dom 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
@@ -93,7 +87,6 @@ exports[`basics a class component inside a class component, no external dom 2`]
 exports[`basics a component cannot be mounted in a detached node (even if node is detached later) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -107,7 +100,6 @@ exports[`basics a component cannot be mounted in a detached node (even if node i
 exports[`basics a component inside a component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -123,7 +115,6 @@ exports[`basics a component inside a component 1`] = `
 exports[`basics a component inside a component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
@@ -137,7 +128,6 @@ exports[`basics a component inside a component 2`] = `
 exports[`basics can be clicked on and updated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><button block-handler-1=\\"click\\">Inc</button></div>\`);
@@ -154,7 +144,6 @@ exports[`basics can be clicked on and updated 1`] = `
 exports[`basics can handle empty props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -170,7 +159,6 @@ exports[`basics can handle empty props 1`] = `
 exports[`basics can handle empty props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -185,7 +173,6 @@ exports[`basics can handle empty props 2`] = `
 exports[`basics can inject values in tagged templates 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
   
@@ -198,7 +185,6 @@ exports[`basics can inject values in tagged templates 1`] = `
 exports[`basics can inject values in tagged templates 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -213,7 +199,6 @@ exports[`basics can inject values in tagged templates 2`] = `
 exports[`basics can mount a component with just some text 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -225,7 +210,6 @@ exports[`basics can mount a component with just some text 1`] = `
 exports[`basics can mount a component with no text 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -237,7 +221,6 @@ exports[`basics can mount a component with no text 1`] = `
 exports[`basics can mount a simple component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
@@ -251,7 +234,6 @@ exports[`basics can mount a simple component 1`] = `
 exports[`basics can mount a simple component with multiple roots 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<span/>\`);
@@ -268,7 +250,6 @@ exports[`basics can mount a simple component with multiple roots 1`] = `
 exports[`basics can mount a simple component with props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -283,7 +264,6 @@ exports[`basics can mount a simple component with props 1`] = `
 exports[`basics child can be updated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -296,7 +276,6 @@ exports[`basics child can be updated 1`] = `
 exports[`basics child can be updated 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -308,7 +287,6 @@ exports[`basics child can be updated 2`] = `
 exports[`basics class component with dynamic text 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>My value: <block-text-0/></span>\`);
@@ -323,7 +301,6 @@ exports[`basics class component with dynamic text 1`] = `
 exports[`basics class parent, class child component with props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -336,7 +313,6 @@ exports[`basics class parent, class child component with props 1`] = `
 exports[`basics class parent, class child component with props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -351,7 +327,6 @@ exports[`basics class parent, class child component with props 2`] = `
 exports[`basics component children doesn't leak (if case) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -368,7 +343,6 @@ exports[`basics component children doesn't leak (if case) 1`] = `
 exports[`basics component children doesn't leak (if case) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -382,7 +356,6 @@ exports[`basics component children doesn't leak (if case) 2`] = `
 exports[`basics component children doesn't leak (t-key case) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -396,7 +369,6 @@ exports[`basics component children doesn't leak (t-key case) 1`] = `
 exports[`basics component children doesn't leak (t-key case) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -410,7 +382,6 @@ exports[`basics component children doesn't leak (t-key case) 2`] = `
 exports[`basics component with dynamic content can be updated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -425,7 +396,6 @@ exports[`basics component with dynamic content can be updated 1`] = `
 exports[`basics do not remove previously rendered dom if not necessary 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -439,7 +409,6 @@ exports[`basics do not remove previously rendered dom if not necessary 1`] = `
 exports[`basics do not remove previously rendered dom if not necessary, variation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><h1>h1</h1><span><block-text-0/></span></div>\`);
@@ -454,7 +423,6 @@ exports[`basics do not remove previously rendered dom if not necessary, variatio
 exports[`basics higher order components parent and child 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -467,7 +435,6 @@ exports[`basics higher order components parent and child 1`] = `
 exports[`basics higher order components parent and child 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildA\`, true, false, false, true);
   const comp2 = app.createComponent(\`ChildB\`, true, false, false, true);
@@ -487,7 +454,6 @@ exports[`basics higher order components parent and child 2`] = `
 exports[`basics higher order components parent and child 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>a</div>\`);
@@ -501,7 +467,6 @@ exports[`basics higher order components parent and child 3`] = `
 exports[`basics higher order components parent and child 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>b</span>\`);
@@ -515,7 +480,6 @@ exports[`basics higher order components parent and child 4`] = `
 exports[`basics list of two sub components inside other nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`SubWidget\`, true, false, false, true);
@@ -543,7 +507,6 @@ exports[`basics list of two sub components inside other nodes 1`] = `
 exports[`basics list of two sub components inside other nodes 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>asdf</span>\`);
@@ -557,7 +520,6 @@ exports[`basics list of two sub components inside other nodes 2`] = `
 exports[`basics parent, child and grandchild 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -570,7 +532,6 @@ exports[`basics parent, child and grandchild 1`] = `
 exports[`basics parent, child and grandchild 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`GrandChild\`, true, false, false, true);
   
@@ -583,7 +544,6 @@ exports[`basics parent, child and grandchild 2`] = `
 exports[`basics parent, child and grandchild 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -597,7 +557,6 @@ exports[`basics parent, child and grandchild 3`] = `
 exports[`basics props is set on root component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
@@ -611,7 +570,6 @@ exports[`basics props is set on root component 1`] = `
 exports[`basics props value are own property of props object 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
@@ -625,7 +583,6 @@ exports[`basics props value are own property of props object 1`] = `
 exports[`basics props value are own property of props object, even with default values 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
@@ -639,7 +596,6 @@ exports[`basics props value are own property of props object, even with default
 exports[`basics reconciliation alg is not confused in some specific situation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Child\`, true, false, false, true);
@@ -658,7 +614,6 @@ exports[`basics reconciliation alg is not confused in some specific situation 1`
 exports[`basics reconciliation alg is not confused in some specific situation 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child</span>\`);
@@ -672,7 +627,6 @@ exports[`basics reconciliation alg is not confused in some specific situation 2`
 exports[`basics rerendering a widget with a sub widget 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Counter\`, true, false, false, true);
   
@@ -685,7 +639,6 @@ exports[`basics rerendering a widget with a sub widget 1`] = `
 exports[`basics rerendering a widget with a sub widget 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><button block-handler-1=\\"click\\">Inc</button></div>\`);
@@ -702,7 +655,6 @@ exports[`basics rerendering a widget with a sub widget 2`] = `
 exports[`basics same t-keys in two different places 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   const comp2 = app.createComponent(\`Child\`, true, false, false, false);
@@ -722,7 +674,6 @@ exports[`basics same t-keys in two different places 1`] = `
 exports[`basics same t-keys in two different places 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -737,7 +688,6 @@ exports[`basics same t-keys in two different places 2`] = `
 exports[`basics simple component with a dynamic text 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -752,7 +702,6 @@ exports[`basics simple component with a dynamic text 1`] = `
 exports[`basics simple component, useState 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -767,7 +716,6 @@ exports[`basics simple component, useState 1`] = `
 exports[`basics some simple sanity checks (el/status) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
@@ -781,7 +729,6 @@ exports[`basics some simple sanity checks (el/status) 1`] = `
 exports[`basics sub components between t-ifs 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -809,7 +756,6 @@ exports[`basics sub components between t-ifs 1`] = `
 exports[`basics sub components between t-ifs 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child</span>\`);
@@ -823,7 +769,6 @@ exports[`basics sub components between t-ifs 2`] = `
 exports[`basics t-elif works with t-component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -845,7 +790,6 @@ exports[`basics t-elif works with t-component 1`] = `
 exports[`basics t-elif works with t-component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>hey</span>\`);
@@ -859,7 +803,6 @@ exports[`basics t-elif works with t-component 2`] = `
 exports[`basics t-else with empty string works with t-component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -881,7 +824,6 @@ exports[`basics t-else with empty string works with t-component 1`] = `
 exports[`basics t-else with empty string works with t-component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>hey</span>\`);
@@ -895,7 +837,6 @@ exports[`basics t-else with empty string works with t-component 2`] = `
 exports[`basics t-else works with t-component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -917,7 +858,6 @@ exports[`basics t-else works with t-component 1`] = `
 exports[`basics t-else works with t-component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>hey</span>\`);
@@ -931,7 +871,6 @@ exports[`basics t-else works with t-component 2`] = `
 exports[`basics t-if works with t-component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -950,7 +889,6 @@ exports[`basics t-if works with t-component 1`] = `
 exports[`basics t-if works with t-component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>hey</span>\`);
@@ -964,7 +902,6 @@ exports[`basics t-if works with t-component 2`] = `
 exports[`basics t-key on a component with t-if, and a sibling component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Child\`, true, false, false, true);
@@ -986,7 +923,6 @@ exports[`basics t-key on a component with t-if, and a sibling component 1`] = `
 exports[`basics t-key on a component with t-if, and a sibling component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child</span>\`);
@@ -1000,7 +936,6 @@ exports[`basics t-key on a component with t-if, and a sibling component 2`] = `
 exports[`basics text after a conditional component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -1020,7 +955,6 @@ exports[`basics text after a conditional component 1`] = `
 exports[`basics text after a conditional component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p>simple vnode</p>\`);
@@ -1034,7 +968,6 @@ exports[`basics text after a conditional component 2`] = `
 exports[`basics three level of components with collapsing root nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -1047,7 +980,6 @@ exports[`basics three level of components with collapsing root nodes 1`] = `
 exports[`basics three level of components with collapsing root nodes 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`GrandChild\`, true, false, false, true);
   
@@ -1060,7 +992,6 @@ exports[`basics three level of components with collapsing root nodes 2`] = `
 exports[`basics three level of components with collapsing root nodes 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>2</div>\`);
@@ -1074,7 +1005,6 @@ exports[`basics three level of components with collapsing root nodes 3`] = `
 exports[`basics two child components 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Child\`, true, false, false, true);
@@ -1090,7 +1020,6 @@ exports[`basics two child components 1`] = `
 exports[`basics two child components 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
@@ -1104,7 +1033,6 @@ exports[`basics two child components 2`] = `
 exports[`basics update props of component without concrete own node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, true, false);
   
@@ -1121,7 +1049,6 @@ exports[`basics update props of component without concrete own node 1`] = `
 exports[`basics update props of component without concrete own node 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Custom\`, true, false, false, false);
   
@@ -1135,7 +1062,6 @@ exports[`basics update props of component without concrete own node 2`] = `
 exports[`basics update props of component without concrete own node 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"widget-subkey\\"><block-text-0/>__<block-text-1/></div>\`);
@@ -1151,7 +1077,6 @@ exports[`basics update props of component without concrete own node 3`] = `
 exports[`basics updating a component with t-foreach as root 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -1171,7 +1096,6 @@ exports[`basics updating a component with t-foreach as root 1`] = `
 exports[`basics updating widget immediately 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -1184,7 +1108,6 @@ exports[`basics updating widget immediately 1`] = `
 exports[`basics updating widget immediately 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>abc<block-child-0/></span>\`);
@@ -1202,7 +1125,6 @@ exports[`basics updating widget immediately 2`] = `
 exports[`basics widget after a t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`SomeComponent\`, true, false, false, true);
@@ -1229,7 +1151,6 @@ exports[`basics widget after a t-foreach 1`] = `
 exports[`basics widget after a t-foreach 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -1243,7 +1164,6 @@ exports[`basics widget after a t-foreach 2`] = `
 exports[`basics zero or one child components 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -1260,7 +1180,6 @@ exports[`basics zero or one child components 1`] = `
 exports[`basics zero or one child components 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
@@ -1274,7 +1193,6 @@ exports[`basics zero or one child components 2`] = `
 exports[`mount targets can mount a component (with default position='last-child') 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>app</div>\`);
@@ -1288,7 +1206,6 @@ exports[`mount targets can mount a component (with default position='last-child'
 exports[`mount targets can mount a component (with position='first-child') 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>app</div>\`);
@@ -1302,7 +1219,6 @@ exports[`mount targets can mount a component (with position='first-child') 1`] =
 exports[`mount targets default mount option is 'last-child' 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>app</div>\`);
@@ -1316,7 +1232,6 @@ exports[`mount targets default mount option is 'last-child' 1`] = `
 exports[`mount targets mount function: can mount a component (with default position='last-child') 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>app</div>\`);
@@ -1330,7 +1245,6 @@ exports[`mount targets mount function: can mount a component (with default posit
 exports[`support svg components add proper namespace to svg 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`GComp\`, true, false, false, true);
   
@@ -1346,7 +1260,6 @@ exports[`support svg components add proper namespace to svg 1`] = `
 exports[`support svg components add proper namespace to svg 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<g block-ns=\\"http://www.w3.org/2000/svg\\"><circle cx=\\"50\\" cy=\\"50\\" r=\\"4\\" stroke=\\"green\\" stroke-width=\\"1\\" fill=\\"yellow\\"/></g>\`);
@@ -1360,7 +1273,6 @@ exports[`support svg components add proper namespace to svg 2`] = `
 exports[`t-out in components can render list of t-out  1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, safeOutput, withKey } = helpers;
   
@@ -1385,7 +1297,6 @@ exports[`t-out in components can render list of t-out  1`] = `
 exports[`t-out in components can switch the contents of two t-out repeatedly 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -1397,10 +1308,21 @@ exports[`t-out in components can switch the contents of two t-out repeatedly 1`]
 }"
 `;
 
+exports[`t-out in components t-out and updating falsy values,  1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  let { safeOutput } = helpers;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return safeOutput(ctx['state'].a);
+  }
+}"
+`;
+
 exports[`t-out in components update properly on state changes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   

tests/components/__snapshots__/concurrency.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`Cascading renders after microtaskTick 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
@@ -27,7 +26,6 @@ exports[`Cascading renders after microtaskTick 1`] = `
 exports[`Cascading renders after microtaskTick 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Element\`, true, false, false, false);
@@ -48,7 +46,6 @@ exports[`Cascading renders after microtaskTick 2`] = `
 exports[`Cascading renders after microtaskTick 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -60,7 +57,6 @@ exports[`Cascading renders after microtaskTick 3`] = `
 exports[`another scenario with delayed rendering 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -78,7 +74,6 @@ exports[`another scenario with delayed rendering 1`] = `
 exports[`another scenario with delayed rendering 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
   
@@ -93,7 +88,6 @@ exports[`another scenario with delayed rendering 2`] = `
 exports[`another scenario with delayed rendering 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"><block-text-1/></button>\`);
@@ -109,7 +103,6 @@ exports[`another scenario with delayed rendering 3`] = `
 exports[`async rendering destroying a widget before start is over 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -123,7 +116,6 @@ exports[`async rendering destroying a widget before start is over 1`] = `
 exports[`calling render in destroy 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -137,7 +129,6 @@ exports[`calling render in destroy 1`] = `
 exports[`calling render in destroy 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, false);
   
@@ -150,7 +141,6 @@ exports[`calling render in destroy 2`] = `
 exports[`calling render in destroy 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -165,7 +155,6 @@ exports[`calling render in destroy 3`] = `
 exports[`change state and call manually render: no unnecessary rendering 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -180,7 +169,6 @@ exports[`change state and call manually render: no unnecessary rendering 1`] = `
 exports[`changing state before first render does not trigger a render (with parent) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`TestW\`, true, false, false, true);
   
@@ -199,7 +187,6 @@ exports[`changing state before first render does not trigger a render (with pare
 exports[`changing state before first render does not trigger a render (with parent) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -214,7 +201,6 @@ exports[`changing state before first render does not trigger a render (with pare
 exports[`changing state before first render does not trigger a render 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -229,7 +215,6 @@ exports[`changing state before first render does not trigger a render 1`] = `
 exports[`concurrent renderings scenario 1 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   
@@ -245,7 +230,6 @@ exports[`concurrent renderings scenario 1 1`] = `
 exports[`concurrent renderings scenario 1 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentC\`, true, false, false, false);
   
@@ -261,7 +245,6 @@ exports[`concurrent renderings scenario 1 2`] = `
 exports[`concurrent renderings scenario 1 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
@@ -277,7 +260,6 @@ exports[`concurrent renderings scenario 1 3`] = `
 exports[`concurrent renderings scenario 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   
@@ -294,7 +276,6 @@ exports[`concurrent renderings scenario 2 1`] = `
 exports[`concurrent renderings scenario 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentC\`, true, false, false, false);
   
@@ -310,7 +291,6 @@ exports[`concurrent renderings scenario 2 2`] = `
 exports[`concurrent renderings scenario 2 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
@@ -326,7 +306,6 @@ exports[`concurrent renderings scenario 2 3`] = `
 exports[`concurrent renderings scenario 2bis 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   
@@ -342,7 +321,6 @@ exports[`concurrent renderings scenario 2bis 1`] = `
 exports[`concurrent renderings scenario 2bis 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentC\`, true, false, false, false);
   
@@ -358,7 +336,6 @@ exports[`concurrent renderings scenario 2bis 2`] = `
 exports[`concurrent renderings scenario 2bis 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
@@ -374,7 +351,6 @@ exports[`concurrent renderings scenario 2bis 3`] = `
 exports[`concurrent renderings scenario 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   
@@ -390,7 +366,6 @@ exports[`concurrent renderings scenario 3 1`] = `
 exports[`concurrent renderings scenario 3 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentC\`, true, false, false, false);
   
@@ -406,7 +381,6 @@ exports[`concurrent renderings scenario 3 2`] = `
 exports[`concurrent renderings scenario 3 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentD\`, true, false, false, false);
   
@@ -422,7 +396,6 @@ exports[`concurrent renderings scenario 3 3`] = `
 exports[`concurrent renderings scenario 3 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<i><block-text-0/><block-text-1/></i>\`);
@@ -438,7 +411,6 @@ exports[`concurrent renderings scenario 3 4`] = `
 exports[`concurrent renderings scenario 4 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   
@@ -454,7 +426,6 @@ exports[`concurrent renderings scenario 4 1`] = `
 exports[`concurrent renderings scenario 4 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentC\`, true, false, false, false);
   
@@ -470,7 +441,6 @@ exports[`concurrent renderings scenario 4 2`] = `
 exports[`concurrent renderings scenario 4 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentD\`, true, false, false, false);
   
@@ -486,7 +456,6 @@ exports[`concurrent renderings scenario 4 3`] = `
 exports[`concurrent renderings scenario 4 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<i><block-text-0/><block-text-1/></i>\`);
@@ -502,7 +471,6 @@ exports[`concurrent renderings scenario 4 4`] = `
 exports[`concurrent renderings scenario 5 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   
@@ -518,7 +486,6 @@ exports[`concurrent renderings scenario 5 1`] = `
 exports[`concurrent renderings scenario 5 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
@@ -533,7 +500,6 @@ exports[`concurrent renderings scenario 5 2`] = `
 exports[`concurrent renderings scenario 6 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   
@@ -549,7 +515,6 @@ exports[`concurrent renderings scenario 6 1`] = `
 exports[`concurrent renderings scenario 6 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
@@ -564,7 +529,6 @@ exports[`concurrent renderings scenario 6 2`] = `
 exports[`concurrent renderings scenario 7 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   
@@ -580,7 +544,6 @@ exports[`concurrent renderings scenario 7 1`] = `
 exports[`concurrent renderings scenario 7 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><block-text-0/><block-text-1/></p>\`);
@@ -596,7 +559,6 @@ exports[`concurrent renderings scenario 7 2`] = `
 exports[`concurrent renderings scenario 8 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   
@@ -612,7 +574,6 @@ exports[`concurrent renderings scenario 8 1`] = `
 exports[`concurrent renderings scenario 8 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><block-text-0/><block-text-1/></p>\`);
@@ -628,7 +589,6 @@ exports[`concurrent renderings scenario 8 2`] = `
 exports[`concurrent renderings scenario 9 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   const comp2 = app.createComponent(\`ComponentC\`, true, false, false, false);
@@ -647,7 +607,6 @@ exports[`concurrent renderings scenario 9 1`] = `
 exports[`concurrent renderings scenario 9 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<b><block-text-0/></b>\`);
@@ -662,7 +621,6 @@ exports[`concurrent renderings scenario 9 2`] = `
 exports[`concurrent renderings scenario 9 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentD\`, true, false, false, false);
   
@@ -678,7 +636,6 @@ exports[`concurrent renderings scenario 9 3`] = `
 exports[`concurrent renderings scenario 9 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
@@ -694,7 +651,6 @@ exports[`concurrent renderings scenario 9 4`] = `
 exports[`concurrent renderings scenario 10 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, false);
   
@@ -710,7 +666,6 @@ exports[`concurrent renderings scenario 10 1`] = `
 exports[`concurrent renderings scenario 10 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentC\`, true, false, false, false);
   
@@ -729,7 +684,6 @@ exports[`concurrent renderings scenario 10 2`] = `
 exports[`concurrent renderings scenario 10 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -744,7 +698,6 @@ exports[`concurrent renderings scenario 10 3`] = `
 exports[`concurrent renderings scenario 11 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -760,7 +713,6 @@ exports[`concurrent renderings scenario 11 1`] = `
 exports[`concurrent renderings scenario 11 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/>|<block-text-1/></span>\`);
@@ -776,7 +728,6 @@ exports[`concurrent renderings scenario 11 2`] = `
 exports[`concurrent renderings scenario 12 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -792,7 +743,6 @@ exports[`concurrent renderings scenario 12 1`] = `
 exports[`concurrent renderings scenario 12 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -807,7 +757,6 @@ exports[`concurrent renderings scenario 12 2`] = `
 exports[`concurrent renderings scenario 13 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Child\`, true, false, false, true);
@@ -828,7 +777,6 @@ exports[`concurrent renderings scenario 13 1`] = `
 exports[`concurrent renderings scenario 13 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -843,7 +791,6 @@ exports[`concurrent renderings scenario 13 2`] = `
 exports[`concurrent renderings scenario 14 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -859,7 +806,6 @@ exports[`concurrent renderings scenario 14 1`] = `
 exports[`concurrent renderings scenario 14 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, false);
   
@@ -875,7 +821,6 @@ exports[`concurrent renderings scenario 14 2`] = `
 exports[`concurrent renderings scenario 14 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><span><block-text-0/></span><span><block-text-1/></span><span><block-text-2/></span></p>\`);
@@ -892,7 +837,6 @@ exports[`concurrent renderings scenario 14 3`] = `
 exports[`concurrent renderings scenario 15 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -908,7 +852,6 @@ exports[`concurrent renderings scenario 15 1`] = `
 exports[`concurrent renderings scenario 15 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, false);
   
@@ -924,7 +867,6 @@ exports[`concurrent renderings scenario 15 2`] = `
 exports[`concurrent renderings scenario 15 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><span><block-text-0/></span><span><block-text-1/></span><span><block-text-2/></span></p>\`);
@@ -941,7 +883,6 @@ exports[`concurrent renderings scenario 15 3`] = `
 exports[`concurrent renderings scenario 16 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -954,7 +895,6 @@ exports[`concurrent renderings scenario 16 1`] = `
 exports[`concurrent renderings scenario 16 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, false);
   
@@ -967,7 +907,6 @@ exports[`concurrent renderings scenario 16 2`] = `
 exports[`concurrent renderings scenario 16 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`D\`, true, false, false, true);
   
@@ -990,7 +929,6 @@ exports[`concurrent renderings scenario 16 3`] = `
 exports[`concurrent renderings scenario 16 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1002,7 +940,6 @@ exports[`concurrent renderings scenario 16 4`] = `
 exports[`creating two async components, scenario 1 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildA\`, true, false, false, true);
   const comp2 = app.createComponent(\`ChildB\`, true, false, false, true);
@@ -1023,7 +960,6 @@ exports[`creating two async components, scenario 1 1`] = `
 exports[`creating two async components, scenario 1 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -1038,7 +974,6 @@ exports[`creating two async components, scenario 1 2`] = `
 exports[`creating two async components, scenario 1 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>b</span>\`);
@@ -1052,7 +987,6 @@ exports[`creating two async components, scenario 1 3`] = `
 exports[`creating two async components, scenario 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildA\`, true, false, false, false);
   const comp2 = app.createComponent(\`ChildB\`, true, false, false, false);
@@ -1073,7 +1007,6 @@ exports[`creating two async components, scenario 2 1`] = `
 exports[`creating two async components, scenario 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>a<block-text-0/></span>\`);
@@ -1088,7 +1021,6 @@ exports[`creating two async components, scenario 2 2`] = `
 exports[`creating two async components, scenario 2 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>b<block-text-0/></span>\`);
@@ -1103,7 +1035,6 @@ exports[`creating two async components, scenario 2 3`] = `
 exports[`creating two async components, scenario 3 (patching in the same frame) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildA\`, true, false, false, false);
   const comp2 = app.createComponent(\`ChildB\`, true, false, false, false);
@@ -1124,7 +1055,6 @@ exports[`creating two async components, scenario 3 (patching in the same frame)
 exports[`creating two async components, scenario 3 (patching in the same frame) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>a<block-text-0/></span>\`);
@@ -1139,7 +1069,6 @@ exports[`creating two async components, scenario 3 (patching in the same frame)
 exports[`creating two async components, scenario 3 (patching in the same frame) 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>b<block-text-0/></span>\`);
@@ -1154,7 +1083,6 @@ exports[`creating two async components, scenario 3 (patching in the same frame)
 exports[`delay willUpdateProps 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -1167,7 +1095,6 @@ exports[`delay willUpdateProps 1`] = `
 exports[`delay willUpdateProps 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1182,7 +1109,6 @@ exports[`delay willUpdateProps 2`] = `
 exports[`delay willUpdateProps with rendering grandchild 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Parent\`, true, false, false, false);
   
@@ -1195,7 +1121,6 @@ exports[`delay willUpdateProps with rendering grandchild 1`] = `
 exports[`delay willUpdateProps with rendering grandchild 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`DelayedChild\`, true, false, false, false);
   const comp2 = app.createComponent(\`ReactiveChild\`, true, false, false, true);
@@ -1211,7 +1136,6 @@ exports[`delay willUpdateProps with rendering grandchild 2`] = `
 exports[`delay willUpdateProps with rendering grandchild 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1226,7 +1150,6 @@ exports[`delay willUpdateProps with rendering grandchild 3`] = `
 exports[`delay willUpdateProps with rendering grandchild 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -1240,7 +1163,6 @@ exports[`delay willUpdateProps with rendering grandchild 4`] = `
 exports[`delayed fiber does not get rendered if it was cancelled 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, true);
   
@@ -1255,7 +1177,6 @@ exports[`delayed fiber does not get rendered if it was cancelled 1`] = `
 exports[`delayed fiber does not get rendered if it was cancelled 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
   
@@ -1270,7 +1191,6 @@ exports[`delayed fiber does not get rendered if it was cancelled 2`] = `
 exports[`delayed fiber does not get rendered if it was cancelled 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`D\`, true, false, false, true);
   
@@ -1285,7 +1205,6 @@ exports[`delayed fiber does not get rendered if it was cancelled 3`] = `
 exports[`delayed fiber does not get rendered if it was cancelled 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1297,7 +1216,6 @@ exports[`delayed fiber does not get rendered if it was cancelled 4`] = `
 exports[`delayed rendering, but then initial rendering is cancelled by yet another render 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -1310,7 +1228,6 @@ exports[`delayed rendering, but then initial rendering is cancelled by yet anoth
 exports[`delayed rendering, but then initial rendering is cancelled by yet another render 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, false);
   
@@ -1323,7 +1240,6 @@ exports[`delayed rendering, but then initial rendering is cancelled by yet anoth
 exports[`delayed rendering, but then initial rendering is cancelled by yet another render 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`D\`, true, false, false, true);
   
@@ -1341,7 +1257,6 @@ exports[`delayed rendering, but then initial rendering is cancelled by yet anoth
 exports[`delayed rendering, but then initial rendering is cancelled by yet another render 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"><block-text-1/></button>\`);
@@ -1357,7 +1272,6 @@ exports[`delayed rendering, but then initial rendering is cancelled by yet anoth
 exports[`delayed rendering, destruction, stuff happens 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -1372,7 +1286,6 @@ exports[`delayed rendering, destruction, stuff happens 1`] = `
 exports[`delayed rendering, destruction, stuff happens 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, false);
   
@@ -1390,7 +1303,6 @@ exports[`delayed rendering, destruction, stuff happens 2`] = `
 exports[`delayed rendering, destruction, stuff happens 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`D\`, true, false, false, true);
   
@@ -1409,7 +1321,6 @@ exports[`delayed rendering, destruction, stuff happens 3`] = `
 exports[`delayed rendering, destruction, stuff happens 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block3 = createBlock(\`<button block-handler-0=\\"click\\"><block-text-1/></button>\`);
@@ -1427,7 +1338,6 @@ exports[`delayed rendering, destruction, stuff happens 4`] = `
 exports[`delayed rendering, reusing fiber and stuff 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -1440,7 +1350,6 @@ exports[`delayed rendering, reusing fiber and stuff 1`] = `
 exports[`delayed rendering, reusing fiber and stuff 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
   
@@ -1455,7 +1364,6 @@ exports[`delayed rendering, reusing fiber and stuff 2`] = `
 exports[`delayed rendering, reusing fiber and stuff 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"><block-text-1/></button>\`);
@@ -1471,7 +1379,6 @@ exports[`delayed rendering, reusing fiber and stuff 3`] = `
 exports[`delayed rendering, reusing fiber then component is destroyed and  stuff 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -1489,7 +1396,6 @@ exports[`delayed rendering, reusing fiber then component is destroyed and  stuff
 exports[`delayed rendering, reusing fiber then component is destroyed and  stuff 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
   
@@ -1504,7 +1410,6 @@ exports[`delayed rendering, reusing fiber then component is destroyed and  stuff
 exports[`delayed rendering, reusing fiber then component is destroyed and  stuff 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"><block-text-1/></button>\`);
@@ -1520,7 +1425,6 @@ exports[`delayed rendering, reusing fiber then component is destroyed and  stuff
 exports[`delayed rendering, then component is destroyed and  stuff 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -1533,7 +1437,6 @@ exports[`delayed rendering, then component is destroyed and  stuff 1`] = `
 exports[`delayed rendering, then component is destroyed and  stuff 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
   
@@ -1551,7 +1454,6 @@ exports[`delayed rendering, then component is destroyed and  stuff 2`] = `
 exports[`delayed rendering, then component is destroyed and  stuff 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"><block-text-1/></button>\`);
@@ -1567,7 +1469,6 @@ exports[`delayed rendering, then component is destroyed and  stuff 3`] = `
 exports[`destroyed component causes other soon to be destroyed component to rerender, weird stuff happens 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   const comp2 = app.createComponent(\`C\`, true, false, false, false);
@@ -1588,7 +1489,6 @@ exports[`destroyed component causes other soon to be destroyed component to rere
 exports[`destroyed component causes other soon to be destroyed component to rerender, weird stuff happens 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1600,7 +1500,6 @@ exports[`destroyed component causes other soon to be destroyed component to rere
 exports[`destroyed component causes other soon to be destroyed component to rerender, weird stuff happens 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1612,7 +1511,6 @@ exports[`destroyed component causes other soon to be destroyed component to rere
 exports[`destroying/recreating a subcomponent, other scenario 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -1630,7 +1528,6 @@ exports[`destroying/recreating a subcomponent, other scenario 1`] = `
 exports[`destroying/recreating a subcomponent, other scenario 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1642,7 +1539,6 @@ exports[`destroying/recreating a subcomponent, other scenario 2`] = `
 exports[`destroying/recreating a subwidget with different props (if start is not over) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -1661,7 +1557,6 @@ exports[`destroying/recreating a subwidget with different props (if start is not
 exports[`destroying/recreating a subwidget with different props (if start is not over) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child:<block-text-0/></span>\`);
@@ -1676,7 +1571,6 @@ exports[`destroying/recreating a subwidget with different props (if start is not
 exports[`parent and child rendered at exact same time 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -1689,7 +1583,6 @@ exports[`parent and child rendered at exact same time 1`] = `
 exports[`parent and child rendered at exact same time 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1701,7 +1594,6 @@ exports[`parent and child rendered at exact same time 2`] = `
 exports[`properly behave when destroyed/unmounted while rendering  1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -1720,7 +1612,6 @@ exports[`properly behave when destroyed/unmounted while rendering  1`] = `
 exports[`properly behave when destroyed/unmounted while rendering  2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubChild\`, true, false, false, false);
   
@@ -1736,7 +1627,6 @@ exports[`properly behave when destroyed/unmounted while rendering  2`] = `
 exports[`properly behave when destroyed/unmounted while rendering  3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -1750,7 +1640,6 @@ exports[`properly behave when destroyed/unmounted while rendering  3`] = `
 exports[`rendering component again in next microtick 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -1770,7 +1659,6 @@ exports[`rendering component again in next microtick 1`] = `
 exports[`rendering component again in next microtick 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Child</div>\`);
@@ -1784,7 +1672,6 @@ exports[`rendering component again in next microtick 2`] = `
 exports[`rendering parent twice, with different props on child and stuff 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -1797,7 +1684,6 @@ exports[`rendering parent twice, with different props on child and stuff 1`] = `
 exports[`rendering parent twice, with different props on child and stuff 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1809,7 +1695,6 @@ exports[`rendering parent twice, with different props on child and stuff 2`] = `
 exports[`renderings, destruction, patch, stuff, ... yet another variation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   const comp2 = app.createComponent(\`D\`, true, false, false, true);
@@ -1826,7 +1711,6 @@ exports[`renderings, destruction, patch, stuff, ... yet another variation 1`] =
 exports[`renderings, destruction, patch, stuff, ... yet another variation 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
   
@@ -1844,7 +1728,6 @@ exports[`renderings, destruction, patch, stuff, ... yet another variation 2`] =
 exports[`renderings, destruction, patch, stuff, ... yet another variation 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block3 = createBlock(\`<p block-handler-0=\\"click\\"><block-text-1/></p>\`);
@@ -1862,7 +1745,6 @@ exports[`renderings, destruction, patch, stuff, ... yet another variation 3`] =
 exports[`renderings, destruction, patch, stuff, ... yet another variation 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block3 = createBlock(\`<span block-handler-0=\\"click\\"><block-text-1/></span>\`);
@@ -1880,7 +1762,6 @@ exports[`renderings, destruction, patch, stuff, ... yet another variation 4`] =
 exports[`t-foreach with dynamic async component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(null, false, false, false, false);
@@ -1907,7 +1788,6 @@ exports[`t-foreach with dynamic async component 1`] = `
 exports[`t-foreach with dynamic async component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -1922,7 +1802,6 @@ exports[`t-foreach with dynamic async component 2`] = `
 exports[`t-key on dom node having a component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, false);
   
@@ -1940,7 +1819,6 @@ exports[`t-key on dom node having a component 1`] = `
 exports[`t-key on dom node having a component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1952,7 +1830,6 @@ exports[`t-key on dom node having a component 2`] = `
 exports[`t-key on dynamic async component (toggler is never patched) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, false);
   
@@ -1967,7 +1844,6 @@ exports[`t-key on dynamic async component (toggler is never patched) 1`] = `
 exports[`t-key on dynamic async component (toggler is never patched) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -1982,7 +1858,6 @@ exports[`t-key on dynamic async component (toggler is never patched) 2`] = `
 exports[`two renderings initiated between willPatch and patched 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Panel\`, true, false, false, false);
   
@@ -2002,7 +1877,6 @@ exports[`two renderings initiated between willPatch and patched 1`] = `
 exports[`two renderings initiated between willPatch and patched 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<abc><block-text-0/><block-text-1/></abc>\`);
@@ -2018,7 +1892,6 @@ exports[`two renderings initiated between willPatch and patched 2`] = `
 exports[`two sequential renderings before an animation frame 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -2031,7 +1904,6 @@ exports[`two sequential renderings before an animation frame 1`] = `
 exports[`two sequential renderings before an animation frame 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -2043,7 +1915,6 @@ exports[`two sequential renderings before an animation frame 2`] = `
 exports[`update a sub-component twice in the same frame 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildA\`, true, false, false, false);
   
@@ -2059,7 +1930,6 @@ exports[`update a sub-component twice in the same frame 1`] = `
 exports[`update a sub-component twice in the same frame 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -2074,7 +1944,6 @@ exports[`update a sub-component twice in the same frame 2`] = `
 exports[`update a sub-component twice in the same frame, 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildA\`, true, false, false, false);
   
@@ -2090,7 +1959,6 @@ exports[`update a sub-component twice in the same frame, 2 1`] = `
 exports[`update a sub-component twice in the same frame, 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);

tests/components/__snapshots__/error_handling.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`basics display a nice error if a component is not a component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SomeComponent\`, true, false, false, true);
   
@@ -16,7 +15,6 @@ exports[`basics display a nice error if a component is not a component 1`] = `
 exports[`basics display a nice error if it cannot find component (in dev mode) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SomeMispelledComponent\`, true, false, false, true);
   
@@ -31,7 +29,6 @@ exports[`basics display a nice error if it cannot find component (in dev mode) 1
 exports[`basics display a nice error if it cannot find component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SomeMispelledComponent\`, true, false, false, true);
   
@@ -44,7 +41,6 @@ exports[`basics display a nice error if it cannot find component 1`] = `
 exports[`basics no component catching error lead to full app destruction 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ErrorComponent\`, true, false, false, false);
   
@@ -60,7 +56,6 @@ exports[`basics no component catching error lead to full app destruction 1`] = `
 exports[`basics no component catching error lead to full app destruction 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
@@ -75,7 +70,6 @@ exports[`basics no component catching error lead to full app destruction 2`] = `
 exports[`basics simple catchError 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Boom\`, true, false, false, true);
   
@@ -96,7 +90,6 @@ exports[`basics simple catchError 1`] = `
 exports[`basics simple catchError 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -111,7 +104,6 @@ exports[`basics simple catchError 2`] = `
 exports[`can catch errors an error in onWillDestroy 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -129,7 +121,6 @@ exports[`can catch errors an error in onWillDestroy 1`] = `
 exports[`can catch errors an error in onWillDestroy 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>abc</div>\`);
@@ -143,7 +134,6 @@ exports[`can catch errors an error in onWillDestroy 2`] = `
 exports[`can catch errors an error in onWillDestroy, variation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -161,7 +151,6 @@ exports[`can catch errors an error in onWillDestroy, variation 1`] = `
 exports[`can catch errors an error in onWillDestroy, variation 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>abc</div>\`);
@@ -175,7 +164,6 @@ exports[`can catch errors an error in onWillDestroy, variation 2`] = `
 exports[`can catch errors calling a hook outside setup should crash 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -187,7 +175,6 @@ exports[`can catch errors calling a hook outside setup should crash 1`] = `
 exports[`can catch errors can catch an error in a component render function 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`ErrorComponent\`, true, false, false, false);
@@ -209,7 +196,6 @@ exports[`can catch errors can catch an error in a component render function 1`]
 exports[`can catch errors can catch an error in a component render function 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -230,7 +216,6 @@ exports[`can catch errors can catch an error in a component render function 2`]
 exports[`can catch errors can catch an error in a component render function 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
@@ -245,7 +230,6 @@ exports[`can catch errors can catch an error in a component render function 3`]
 exports[`can catch errors can catch an error in the constructor call of a component render function 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`ErrorComponent\`, true, false, false, true);
@@ -267,7 +251,6 @@ exports[`can catch errors can catch an error in the constructor call of a compon
 exports[`can catch errors can catch an error in the constructor call of a component render function 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -288,7 +271,6 @@ exports[`can catch errors can catch an error in the constructor call of a compon
 exports[`can catch errors can catch an error in the constructor call of a component render function 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`ClassicCompoent\`, true, false, false, true);
@@ -313,7 +295,6 @@ exports[`can catch errors can catch an error in the constructor call of a compon
 exports[`can catch errors can catch an error in the constructor call of a component render function 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -334,7 +315,6 @@ exports[`can catch errors can catch an error in the constructor call of a compon
 exports[`can catch errors can catch an error in the constructor call of a component render function 2 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>classic</div>\`);
@@ -348,7 +328,6 @@ exports[`can catch errors can catch an error in the constructor call of a compon
 exports[`can catch errors can catch an error in the constructor call of a component render function 2 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Some text</div>\`);
@@ -362,7 +341,6 @@ exports[`can catch errors can catch an error in the constructor call of a compon
 exports[`can catch errors can catch an error in the constructor call of a component render function 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Some text</div>\`);
@@ -376,7 +354,6 @@ exports[`can catch errors can catch an error in the constructor call of a compon
 exports[`can catch errors can catch an error in the initial call of a component render function (parent mounted) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`ErrorComponent\`, true, false, false, true);
@@ -398,7 +375,6 @@ exports[`can catch errors can catch an error in the initial call of a component
 exports[`can catch errors can catch an error in the initial call of a component render function (parent mounted) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -419,7 +395,6 @@ exports[`can catch errors can catch an error in the initial call of a component
 exports[`can catch errors can catch an error in the initial call of a component render function (parent mounted) 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
@@ -434,7 +409,6 @@ exports[`can catch errors can catch an error in the initial call of a component
 exports[`can catch errors can catch an error in the initial call of a component render function (parent updated) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`ErrorComponent\`, true, false, false, true);
@@ -459,7 +433,6 @@ exports[`can catch errors can catch an error in the initial call of a component
 exports[`can catch errors can catch an error in the initial call of a component render function (parent updated) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -480,7 +453,6 @@ exports[`can catch errors can catch an error in the initial call of a component
 exports[`can catch errors can catch an error in the initial call of a component render function (parent updated) 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
@@ -495,7 +467,6 @@ exports[`can catch errors can catch an error in the initial call of a component
 exports[`can catch errors can catch an error in the mounted call (in child of child) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, true);
   
@@ -508,7 +479,6 @@ exports[`can catch errors can catch an error in the mounted call (in child of ch
 exports[`can catch errors can catch an error in the mounted call (in child of child) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
   
@@ -524,7 +494,6 @@ exports[`can catch errors can catch an error in the mounted call (in child of ch
 exports[`can catch errors can catch an error in the mounted call (in child of child) 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Boom\`, true, false, false, true);
   
@@ -545,7 +514,6 @@ exports[`can catch errors can catch an error in the mounted call (in child of ch
 exports[`can catch errors can catch an error in the mounted call (in child of child) 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Some text</div>\`);
@@ -559,7 +527,6 @@ exports[`can catch errors can catch an error in the mounted call (in child of ch
 exports[`can catch errors can catch an error in the mounted call (in root component) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ErrorComponent\`, true, false, false, true);
   
@@ -580,7 +547,6 @@ exports[`can catch errors can catch an error in the mounted call (in root compon
 exports[`can catch errors can catch an error in the mounted call (in root component) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Some text</div>\`);
@@ -594,7 +560,6 @@ exports[`can catch errors can catch an error in the mounted call (in root compon
 exports[`can catch errors can catch an error in the mounted call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`ErrorComponent\`, true, false, false, true);
@@ -616,7 +581,6 @@ exports[`can catch errors can catch an error in the mounted call 1`] = `
 exports[`can catch errors can catch an error in the mounted call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -637,7 +601,6 @@ exports[`can catch errors can catch an error in the mounted call 2`] = `
 exports[`can catch errors can catch an error in the mounted call 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Some text</div>\`);
@@ -651,7 +614,6 @@ exports[`can catch errors can catch an error in the mounted call 3`] = `
 exports[`can catch errors can catch an error in the willPatch call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`ErrorComponent\`, true, false, false, false);
@@ -674,7 +636,6 @@ exports[`can catch errors can catch an error in the willPatch call 1`] = `
 exports[`can catch errors can catch an error in the willPatch call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -695,7 +656,6 @@ exports[`can catch errors can catch an error in the willPatch call 2`] = `
 exports[`can catch errors can catch an error in the willPatch call 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -710,7 +670,6 @@ exports[`can catch errors can catch an error in the willPatch call 3`] = `
 exports[`can catch errors can catch an error in the willStart call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`ErrorComponent\`, true, false, false, true);
@@ -732,7 +691,6 @@ exports[`can catch errors can catch an error in the willStart call 1`] = `
 exports[`can catch errors can catch an error in the willStart call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -753,7 +711,6 @@ exports[`can catch errors can catch an error in the willStart call 2`] = `
 exports[`can catch errors can catch an error in the willStart call 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Some text</div>\`);
@@ -767,7 +724,6 @@ exports[`can catch errors can catch an error in the willStart call 3`] = `
 exports[`can catch errors can catch an error origination from a child's willStart function 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`ClassicCompoent\`, true, false, false, true);
@@ -792,7 +748,6 @@ exports[`can catch errors can catch an error origination from a child's willStar
 exports[`can catch errors can catch an error origination from a child's willStart function 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -813,7 +768,6 @@ exports[`can catch errors can catch an error origination from a child's willStar
 exports[`can catch errors can catch an error origination from a child's willStart function 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>classic</div>\`);
@@ -827,7 +781,6 @@ exports[`can catch errors can catch an error origination from a child's willStar
 exports[`can catch errors can catch an error origination from a child's willStart function 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Some text</div>\`);
@@ -841,7 +794,6 @@ exports[`can catch errors can catch an error origination from a child's willStar
 exports[`can catch errors catchError in catchError 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -862,7 +814,6 @@ exports[`can catch errors catchError in catchError 1`] = `
 exports[`can catch errors catchError in catchError 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Boom\`, true, false, false, true);
   
@@ -878,7 +829,6 @@ exports[`can catch errors catchError in catchError 2`] = `
 exports[`can catch errors catchError in catchError 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -893,7 +843,6 @@ exports[`can catch errors catchError in catchError 3`] = `
 exports[`can catch errors catching error, rethrow, render parent  -- a main component loop implementation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, capture, markRaw, withKey } = helpers;
   const comp1 = app.createComponent(null, false, false, false, true);
@@ -922,7 +871,6 @@ exports[`can catch errors catching error, rethrow, render parent  -- a main comp
 exports[`can catch errors catching error, rethrow, render parent  -- a main component loop implementation 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -935,7 +883,6 @@ exports[`can catch errors catching error, rethrow, render parent  -- a main comp
 exports[`can catch errors catching error, rethrow, render parent  -- a main component loop implementation 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ErrorComponent\`, true, false, false, true);
   
@@ -948,7 +895,6 @@ exports[`can catch errors catching error, rethrow, render parent  -- a main comp
 exports[`can catch errors catching error, rethrow, render parent  -- a main component loop implementation 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -962,7 +908,6 @@ exports[`can catch errors catching error, rethrow, render parent  -- a main comp
 exports[`can catch errors catching error, rethrow, render parent  -- a main component loop implementation 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Sibling</div>\`);
@@ -976,7 +921,6 @@ exports[`can catch errors catching error, rethrow, render parent  -- a main comp
 exports[`can catch errors catching in child makes parent render 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, capture, markRaw, withKey } = helpers;
   const comp1 = app.createComponent(null, false, false, false, false);
@@ -1005,7 +949,6 @@ exports[`can catch errors catching in child makes parent render 1`] = `
 exports[`can catch errors catching in child makes parent render 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -1018,7 +961,6 @@ exports[`can catch errors catching in child makes parent render 2`] = `
 exports[`can catch errors catching in child makes parent render 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -1032,7 +974,6 @@ exports[`can catch errors catching in child makes parent render 3`] = `
 exports[`can catch errors catching in child makes parent render 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -1047,7 +988,6 @@ exports[`can catch errors catching in child makes parent render 4`] = `
 exports[`can catch errors error in mounted on a component with a sibling (properly mounted) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`OK\`, true, false, false, true);
@@ -1071,7 +1011,6 @@ exports[`can catch errors error in mounted on a component with a sibling (proper
 exports[`can catch errors error in mounted on a component with a sibling (properly mounted) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -1083,7 +1022,6 @@ exports[`can catch errors error in mounted on a component with a sibling (proper
 exports[`can catch errors error in mounted on a component with a sibling (properly mounted) 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -1104,7 +1042,6 @@ exports[`can catch errors error in mounted on a component with a sibling (proper
 exports[`can catch errors error in mounted on a component with a sibling (properly mounted) 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Some text</div>\`);
@@ -1118,7 +1055,6 @@ exports[`can catch errors error in mounted on a component with a sibling (proper
 exports[`can catch errors onError in class inheritance is called if rethrown 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Concrete\`, true, false, false, true);
   
@@ -1131,7 +1067,6 @@ exports[`can catch errors onError in class inheritance is called if rethrown 1`]
 exports[`can catch errors onError in class inheritance is called if rethrown 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
@@ -1151,7 +1086,6 @@ exports[`can catch errors onError in class inheritance is called if rethrown 2`]
 exports[`can catch errors onError in class inheritance is not called if no rethrown 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Concrete\`, true, false, false, true);
   
@@ -1164,7 +1098,6 @@ exports[`can catch errors onError in class inheritance is not called if no rethr
 exports[`can catch errors onError in class inheritance is not called if no rethrown 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
@@ -1184,7 +1117,6 @@ exports[`can catch errors onError in class inheritance is not called if no rethr
 exports[`errors and promises a rendering error in a sub component will reject the mount promise 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -1200,7 +1132,6 @@ exports[`errors and promises a rendering error in a sub component will reject th
 exports[`errors and promises a rendering error in a sub component will reject the mount promise 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -1215,7 +1146,6 @@ exports[`errors and promises a rendering error in a sub component will reject th
 exports[`errors and promises a rendering error will reject the mount promise 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -1230,7 +1160,6 @@ exports[`errors and promises a rendering error will reject the mount promise 1`]
 exports[`errors and promises a rendering error will reject the render promise (with sub components) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -1247,7 +1176,6 @@ exports[`errors and promises a rendering error will reject the render promise (w
 exports[`errors and promises a rendering error will reject the render promise (with sub components) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span/>\`);
@@ -1261,7 +1189,6 @@ exports[`errors and promises a rendering error will reject the render promise (w
 exports[`errors and promises a rendering error will reject the render promise 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1279,7 +1206,6 @@ exports[`errors and promises a rendering error will reject the render promise 1`
 exports[`errors and promises an error in mounted call will reject the mount promise 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>abc</div>\`);
@@ -1293,7 +1219,6 @@ exports[`errors and promises an error in mounted call will reject the mount prom
 exports[`errors and promises an error in onMounted callback will have the component's setup in its stack trace 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>abc</div>\`);
@@ -1307,7 +1232,6 @@ exports[`errors and promises an error in onMounted callback will have the compon
 exports[`errors and promises an error in patched call will reject the render promise 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -1322,7 +1246,6 @@ exports[`errors and promises an error in patched call will reject the render pro
 exports[`errors and promises an error in willPatch call will reject the render promise 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -1337,7 +1260,6 @@ exports[`errors and promises an error in willPatch call will reject the render p
 exports[`errors and promises errors in mounted and in willUnmount 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -1351,7 +1273,6 @@ exports[`errors and promises errors in mounted and in willUnmount 1`] = `
 exports[`errors and promises errors in onWillRender/onRender aren't wrapped more than once 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>abc</div>\`);
@@ -1365,7 +1286,6 @@ exports[`errors and promises errors in onWillRender/onRender aren't wrapped more
 exports[`errors and promises errors in rerender 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);

tests/components/__snapshots__/event_handling.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`event handling Invalid handler throws an error 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">click</button>\`);
@@ -18,7 +17,6 @@ exports[`event handling Invalid handler throws an error 1`] = `
 exports[`event handling handler is not called if component is destroyed 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span block-handler-0=\\"click\\"/>\`);
@@ -33,7 +31,6 @@ exports[`event handling handler is not called if component is destroyed 1`] = `
 exports[`event handling handler receive the event as argument 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -51,7 +48,6 @@ exports[`event handling handler receive the event as argument 1`] = `
 exports[`event handling handler receive the event as argument 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
@@ -65,7 +61,6 @@ exports[`event handling handler receive the event as argument 2`] = `
 exports[`event handling input blur event is not called if component is destroyed 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -84,7 +79,6 @@ exports[`event handling input blur event is not called if component is destroyed
 exports[`event handling input blur event is not called if component is destroyed 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<input block-handler-0=\\"blur\\"/>\`);
@@ -99,7 +93,6 @@ exports[`event handling input blur event is not called if component is destroyed
 exports[`event handling objects from scope are properly captured by t-on 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -126,7 +119,6 @@ exports[`event handling objects from scope are properly captured by t-on 1`] = `
 exports[`event handling support for callable expression in event handler 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><input type=\\"text\\" block-handler-1=\\"input\\"/></div>\`);
@@ -142,7 +134,6 @@ exports[`event handling support for callable expression in event handler 1`] = `
 exports[`event handling t-on with handler bound to dynamic argument on a t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   

tests/components/__snapshots__/higher_order_component.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`basics basic use 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -16,7 +15,6 @@ exports[`basics basic use 1`] = `
 exports[`basics basic use 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child<block-text-0/></span>\`);
@@ -31,7 +29,6 @@ exports[`basics basic use 2`] = `
 exports[`basics can select a sub widget  1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`OtherChild\`, true, false, false, true);
@@ -52,7 +49,6 @@ exports[`basics can select a sub widget  1`] = `
 exports[`basics can select a sub widget  2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>CHILD 1</span>\`);
@@ -66,7 +62,6 @@ exports[`basics can select a sub widget  2`] = `
 exports[`basics can select a sub widget  3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>CHILD 2</div>\`);
@@ -80,7 +75,6 @@ exports[`basics can select a sub widget  3`] = `
 exports[`basics can select a sub widget, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`OtherChild\`, true, false, false, true);
@@ -101,7 +95,6 @@ exports[`basics can select a sub widget, part 2 1`] = `
 exports[`basics can select a sub widget, part 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>CHILD 1</span>\`);
@@ -115,7 +108,6 @@ exports[`basics can select a sub widget, part 2 2`] = `
 exports[`basics can select a sub widget, part 2 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>CHILD 2</div>\`);
@@ -129,7 +121,6 @@ exports[`basics can select a sub widget, part 2 3`] = `
 exports[`basics sub widget is interactive 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -142,7 +133,6 @@ exports[`basics sub widget is interactive 1`] = `
 exports[`basics sub widget is interactive 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><button block-handler-0=\\"click\\">click</button>child<block-text-1/></span>\`);
@@ -158,7 +148,6 @@ exports[`basics sub widget is interactive 2`] = `
 exports[`basics top level sub widget with a parent 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, true);
   
@@ -174,7 +163,6 @@ exports[`basics top level sub widget with a parent 1`] = `
 exports[`basics top level sub widget with a parent 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentC\`, true, false, false, true);
   
@@ -187,7 +175,6 @@ exports[`basics top level sub widget with a parent 2`] = `
 exports[`basics top level sub widget with a parent 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>Hello</span>\`);

tests/components/__snapshots__/hooks.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`hooks autofocus hook input in a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><input block-ref=\\"0\\"/><block-child-0/></div>\`);
@@ -25,7 +24,6 @@ exports[`hooks autofocus hook input in a t-if 1`] = `
 exports[`hooks autofocus hook simple input 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><input block-ref=\\"0\\"/><input block-ref=\\"1\\"/></div>\`);
@@ -42,7 +40,6 @@ exports[`hooks autofocus hook simple input 1`] = `
 exports[`hooks can use onWillStart, onWillUpdateProps 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`MyComponent\`, true, false, false, false);
   
@@ -55,7 +52,6 @@ exports[`hooks can use onWillStart, onWillUpdateProps 1`] = `
 exports[`hooks can use onWillStart, onWillUpdateProps 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -70,7 +66,6 @@ exports[`hooks can use onWillStart, onWillUpdateProps 2`] = `
 exports[`hooks can use useComponent 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -84,7 +79,6 @@ exports[`hooks can use useComponent 1`] = `
 exports[`hooks can use useEnv 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -99,7 +93,6 @@ exports[`hooks can use useEnv 1`] = `
 exports[`hooks mounted callbacks should be called in reverse order from willUnmount callbacks 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
@@ -114,7 +107,6 @@ exports[`hooks mounted callbacks should be called in reverse order from willUnmo
 exports[`hooks parent and child env (with useChildSubEnv then useSubEnv) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -129,7 +121,6 @@ exports[`hooks parent and child env (with useChildSubEnv then useSubEnv) 1`] = `
 exports[`hooks parent and child env (with useChildSubEnv then useSubEnv) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<div><block-text-0/></div>\`);
@@ -148,7 +139,6 @@ exports[`hooks parent and child env (with useChildSubEnv then useSubEnv) 2`] = `
 exports[`hooks parent and child env (with useChildSubEnv) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -163,7 +153,6 @@ exports[`hooks parent and child env (with useChildSubEnv) 1`] = `
 exports[`hooks parent and child env (with useChildSubEnv) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -178,7 +167,6 @@ exports[`hooks parent and child env (with useChildSubEnv) 2`] = `
 exports[`hooks parent and child env (with useSubEnv) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -193,7 +181,6 @@ exports[`hooks parent and child env (with useSubEnv) 1`] = `
 exports[`hooks parent and child env (with useSubEnv) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -208,7 +195,6 @@ exports[`hooks parent and child env (with useSubEnv) 2`] = `
 exports[`hooks two different call to willPatch/patched should work 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
@@ -223,7 +209,6 @@ exports[`hooks two different call to willPatch/patched should work 1`] = `
 exports[`hooks useChildSubEnv does not pollute user env 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -238,7 +223,6 @@ exports[`hooks useChildSubEnv does not pollute user env 1`] = `
 exports[`hooks useChildSubEnv supports arbitrary descriptor 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -251,7 +235,6 @@ exports[`hooks useChildSubEnv supports arbitrary descriptor 1`] = `
 exports[`hooks useChildSubEnv supports arbitrary descriptor 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/> <block-text-1/></div>\`);
@@ -267,7 +250,6 @@ exports[`hooks useChildSubEnv supports arbitrary descriptor 2`] = `
 exports[`hooks useEffect hook dependencies prevent effects from rerunning when unchanged 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -281,7 +263,6 @@ exports[`hooks useEffect hook dependencies prevent effects from rerunning when u
 exports[`hooks useEffect hook effect can depend on stuff in dom 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<div block-ref=\\"0\\"/>\`);
@@ -301,7 +282,6 @@ exports[`hooks useEffect hook effect can depend on stuff in dom 1`] = `
 exports[`hooks useEffect hook effect runs on mount, is reapplied on patch, and is cleaned up on unmount and before reapplying 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -315,7 +295,6 @@ exports[`hooks useEffect hook effect runs on mount, is reapplied on patch, and i
 exports[`hooks useEffect hook effect with empty dependency list never reruns 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -330,7 +309,6 @@ exports[`hooks useEffect hook effect with empty dependency list never reruns 1`]
 exports[`hooks useEffect hook properly behaves when the effect function throws 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -344,7 +322,6 @@ exports[`hooks useEffect hook properly behaves when the effect function throws 1
 exports[`hooks useExternalListener 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`MyComponent\`, true, false, false, true);
   
@@ -361,7 +338,6 @@ exports[`hooks useExternalListener 1`] = `
 exports[`hooks useExternalListener 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -376,7 +352,6 @@ exports[`hooks useExternalListener 2`] = `
 exports[`hooks useRef hook: basic use 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><button block-ref=\\"0\\"><block-text-1/></button></div>\`);
@@ -393,7 +368,6 @@ exports[`hooks useRef hook: basic use 1`] = `
 exports[`hooks useSubEnv modifies user env 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -408,7 +382,6 @@ exports[`hooks useSubEnv modifies user env 1`] = `
 exports[`hooks useSubEnv supports arbitrary descriptor 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -421,7 +394,6 @@ exports[`hooks useSubEnv supports arbitrary descriptor 1`] = `
 exports[`hooks useSubEnv supports arbitrary descriptor 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/> <block-text-1/></div>\`);

tests/components/__snapshots__/lifecycle.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`lifecycle hooks basic checks for a component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>test</span>\`);
@@ -17,7 +16,6 @@ exports[`lifecycle hooks basic checks for a component 1`] = `
 exports[`lifecycle hooks component semantics 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, true);
   const comp2 = app.createComponent(\`C\`, true, false, false, true);
@@ -35,7 +33,6 @@ exports[`lifecycle hooks component semantics 1`] = `
 exports[`lifecycle hooks component semantics 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>B</div>\`);
@@ -49,7 +46,6 @@ exports[`lifecycle hooks component semantics 2`] = `
 exports[`lifecycle hooks component semantics 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`D\`, true, false, false, true);
   const comp2 = app.createComponent(\`E\`, true, false, false, true);
@@ -73,7 +69,6 @@ exports[`lifecycle hooks component semantics 3`] = `
 exports[`lifecycle hooks component semantics 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>D</div>\`);
@@ -87,7 +82,6 @@ exports[`lifecycle hooks component semantics 4`] = `
 exports[`lifecycle hooks component semantics 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>E</div>\`);
@@ -101,7 +95,6 @@ exports[`lifecycle hooks component semantics 5`] = `
 exports[`lifecycle hooks component semantics 6`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>F</div>\`);
@@ -115,7 +108,6 @@ exports[`lifecycle hooks component semantics 6`] = `
 exports[`lifecycle hooks components are unmounted and destroyed if no longer in DOM, even after updateprops 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -135,7 +127,6 @@ exports[`lifecycle hooks components are unmounted and destroyed if no longer in
 exports[`lifecycle hooks components are unmounted and destroyed if no longer in DOM, even after updateprops 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -150,7 +141,6 @@ exports[`lifecycle hooks components are unmounted and destroyed if no longer in
 exports[`lifecycle hooks components are unmounted destroyed if no longer in DOM 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -167,7 +157,6 @@ exports[`lifecycle hooks components are unmounted destroyed if no longer in DOM
 exports[`lifecycle hooks components are unmounted destroyed if no longer in DOM 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -181,7 +170,6 @@ exports[`lifecycle hooks components are unmounted destroyed if no longer in DOM
 exports[`lifecycle hooks destroy new children before being mountged 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -200,7 +188,6 @@ exports[`lifecycle hooks destroy new children before being mountged 1`] = `
 exports[`lifecycle hooks destroy new children before being mountged 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -212,7 +199,6 @@ exports[`lifecycle hooks destroy new children before being mountged 2`] = `
 exports[`lifecycle hooks hooks are called in proper order in widget creation/destruction 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -228,7 +214,6 @@ exports[`lifecycle hooks hooks are called in proper order in widget creation/des
 exports[`lifecycle hooks hooks are called in proper order in widget creation/destruction 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -242,7 +227,6 @@ exports[`lifecycle hooks hooks are called in proper order in widget creation/des
 exports[`lifecycle hooks lifecycle callbacks are bound to component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Test\`, true, false, false, false);
   
@@ -255,7 +239,6 @@ exports[`lifecycle hooks lifecycle callbacks are bound to component 1`] = `
 exports[`lifecycle hooks lifecycle callbacks are bound to component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -267,7 +250,6 @@ exports[`lifecycle hooks lifecycle callbacks are bound to component 2`] = `
 exports[`lifecycle hooks lifecycle semantics 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -283,7 +265,6 @@ exports[`lifecycle hooks lifecycle semantics 1`] = `
 exports[`lifecycle hooks lifecycle semantics 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -297,7 +278,6 @@ exports[`lifecycle hooks lifecycle semantics 2`] = `
 exports[`lifecycle hooks lifecycle semantics, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -314,7 +294,6 @@ exports[`lifecycle hooks lifecycle semantics, part 2 1`] = `
 exports[`lifecycle hooks lifecycle semantics, part 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`GrandChild\`, true, false, false, true);
   
@@ -327,7 +306,6 @@ exports[`lifecycle hooks lifecycle semantics, part 2 2`] = `
 exports[`lifecycle hooks lifecycle semantics, part 2 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -341,7 +319,6 @@ exports[`lifecycle hooks lifecycle semantics, part 2 3`] = `
 exports[`lifecycle hooks lifecycle semantics, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -358,7 +335,6 @@ exports[`lifecycle hooks lifecycle semantics, part 3 1`] = `
 exports[`lifecycle hooks lifecycle semantics, part 4 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -375,7 +351,6 @@ exports[`lifecycle hooks lifecycle semantics, part 4 1`] = `
 exports[`lifecycle hooks lifecycle semantics, part 4 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`GrandChild\`, true, false, false, true);
   
@@ -388,7 +363,6 @@ exports[`lifecycle hooks lifecycle semantics, part 4 2`] = `
 exports[`lifecycle hooks lifecycle semantics, part 4 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -402,7 +376,6 @@ exports[`lifecycle hooks lifecycle semantics, part 4 3`] = `
 exports[`lifecycle hooks lifecycle semantics, part 5 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -419,7 +392,6 @@ exports[`lifecycle hooks lifecycle semantics, part 5 1`] = `
 exports[`lifecycle hooks lifecycle semantics, part 5 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -433,7 +405,6 @@ exports[`lifecycle hooks lifecycle semantics, part 5 2`] = `
 exports[`lifecycle hooks lifecycle semantics, part 6 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -446,7 +417,6 @@ exports[`lifecycle hooks lifecycle semantics, part 6 1`] = `
 exports[`lifecycle hooks lifecycle semantics, part 6 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -460,7 +430,6 @@ exports[`lifecycle hooks lifecycle semantics, part 6 2`] = `
 exports[`lifecycle hooks mounted hook is called if mounted in DOM 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -474,7 +443,6 @@ exports[`lifecycle hooks mounted hook is called if mounted in DOM 1`] = `
 exports[`lifecycle hooks mounted hook is called on every mount, not just the first one 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -491,7 +459,6 @@ exports[`lifecycle hooks mounted hook is called on every mount, not just the fir
 exports[`lifecycle hooks mounted hook is called on every mount, not just the first one 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>child</div>\`);
@@ -505,7 +472,6 @@ exports[`lifecycle hooks mounted hook is called on every mount, not just the fir
 exports[`lifecycle hooks mounted hook is called on subcomponents, in proper order 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -521,7 +487,6 @@ exports[`lifecycle hooks mounted hook is called on subcomponents, in proper orde
 exports[`lifecycle hooks mounted hook is called on subcomponents, in proper order 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -535,7 +500,6 @@ exports[`lifecycle hooks mounted hook is called on subcomponents, in proper orde
 exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper order 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -554,7 +518,6 @@ exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper o
 exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper order 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildChild\`, true, false, false, true);
   
@@ -570,7 +533,6 @@ exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper o
 exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper order 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -584,7 +546,6 @@ exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper o
 exports[`lifecycle hooks onWillRender 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -597,7 +558,6 @@ exports[`lifecycle hooks onWillRender 1`] = `
 exports[`lifecycle hooks onWillRender 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"><block-text-1/></button>\`);
@@ -613,7 +573,6 @@ exports[`lifecycle hooks onWillRender 2`] = `
 exports[`lifecycle hooks patched hook is called after updateProps 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -629,7 +588,6 @@ exports[`lifecycle hooks patched hook is called after updateProps 1`] = `
 exports[`lifecycle hooks patched hook is called after updateProps 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -643,7 +601,6 @@ exports[`lifecycle hooks patched hook is called after updateProps 2`] = `
 exports[`lifecycle hooks patched hook is called after updating State 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -658,7 +615,6 @@ exports[`lifecycle hooks patched hook is called after updating State 1`] = `
 exports[`lifecycle hooks render in mounted 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -673,7 +629,6 @@ exports[`lifecycle hooks render in mounted 1`] = `
 exports[`lifecycle hooks render in patched 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -688,7 +643,6 @@ exports[`lifecycle hooks render in patched 1`] = `
 exports[`lifecycle hooks render in willPatch 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -703,7 +657,6 @@ exports[`lifecycle hooks render in willPatch 1`] = `
 exports[`lifecycle hooks sub widget (inside sub node): hooks are correctly called 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -720,7 +673,6 @@ exports[`lifecycle hooks sub widget (inside sub node): hooks are correctly calle
 exports[`lifecycle hooks sub widget (inside sub node): hooks are correctly called 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -734,7 +686,6 @@ exports[`lifecycle hooks sub widget (inside sub node): hooks are correctly calle
 exports[`lifecycle hooks timeout in onWillStart emits a warning 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span/>\`);
@@ -748,7 +699,6 @@ exports[`lifecycle hooks timeout in onWillStart emits a warning 1`] = `
 exports[`lifecycle hooks timeout in onWillUpdateProps emits a warning 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -763,7 +713,6 @@ exports[`lifecycle hooks timeout in onWillUpdateProps emits a warning 1`] = `
 exports[`lifecycle hooks timeout in onWillUpdateProps emits a warning 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -775,7 +724,6 @@ exports[`lifecycle hooks timeout in onWillUpdateProps emits a warning 2`] = `
 exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents, in proper order 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -791,7 +739,6 @@ exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents,
 exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents, in proper order 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildChild\`, true, false, false, false);
   
@@ -807,7 +754,6 @@ exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents,
 exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents, in proper order 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -822,7 +768,6 @@ exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents,
 exports[`lifecycle hooks willStart hook is called on sub component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -835,7 +780,6 @@ exports[`lifecycle hooks willStart hook is called on sub component 1`] = `
 exports[`lifecycle hooks willStart hook is called on sub component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -849,7 +793,6 @@ exports[`lifecycle hooks willStart hook is called on sub component 2`] = `
 exports[`lifecycle hooks willStart is called 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
@@ -863,7 +806,6 @@ exports[`lifecycle hooks willStart is called 1`] = `
 exports[`lifecycle hooks willStart is called with component as this 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
@@ -877,7 +819,6 @@ exports[`lifecycle hooks willStart is called with component as this 1`] = `
 exports[`lifecycle hooks willStart, mounted on subwidget rendered after main is mounted in some other position 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -899,7 +840,6 @@ exports[`lifecycle hooks willStart, mounted on subwidget rendered after main is
 exports[`lifecycle hooks willStart, mounted on subwidget rendered after main is mounted in some other position 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -913,7 +853,6 @@ exports[`lifecycle hooks willStart, mounted on subwidget rendered after main is
 exports[`lifecycle hooks willUpdateProps hook is called 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -926,7 +865,6 @@ exports[`lifecycle hooks willUpdateProps hook is called 1`] = `
 exports[`lifecycle hooks willUpdateProps hook is called 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);

tests/components/__snapshots__/props.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`basics accept ES6-like syntax for props (with getters) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -19,7 +18,6 @@ exports[`basics accept ES6-like syntax for props (with getters) 1`] = `
 exports[`basics accept ES6-like syntax for props (with getters) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -34,7 +32,6 @@ exports[`basics accept ES6-like syntax for props (with getters) 2`] = `
 exports[`basics arrow functions as prop correctly capture their scope 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -57,7 +54,6 @@ exports[`basics arrow functions as prop correctly capture their scope 1`] = `
 exports[`basics arrow functions as prop correctly capture their scope 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"/>\`);
@@ -72,7 +68,6 @@ exports[`basics arrow functions as prop correctly capture their scope 2`] = `
 exports[`basics explicit object prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -88,7 +83,6 @@ exports[`basics explicit object prop 1`] = `
 exports[`basics explicit object prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -103,7 +97,6 @@ exports[`basics explicit object prop 2`] = `
 exports[`basics prop names can contain - 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -116,7 +109,6 @@ exports[`basics prop names can contain - 1`] = `
 exports[`basics prop names can contain - 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -131,7 +123,6 @@ exports[`basics prop names can contain - 2`] = `
 exports[`basics support prop names that aren't valid bare object property names 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -144,7 +135,6 @@ exports[`basics support prop names that aren't valid bare object property names
 exports[`basics support prop names that aren't valid bare object property names 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"/>\`);
@@ -159,7 +149,6 @@ exports[`basics support prop names that aren't valid bare object property names
 exports[`basics t-set with a body expression can be passed in props, and then t-out 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -184,7 +173,6 @@ exports[`basics t-set with a body expression can be passed in props, and then t-
 exports[`basics t-set with a body expression can be passed in props, and then t-out 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -201,7 +189,6 @@ exports[`basics t-set with a body expression can be passed in props, and then t-
 exports[`basics t-set with a body expression can be used as textual prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -221,7 +208,6 @@ exports[`basics t-set with a body expression can be used as textual prop 1`] = `
 exports[`basics t-set with a body expression can be used as textual prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -236,7 +222,6 @@ exports[`basics t-set with a body expression can be used as textual prop 2`] = `
 exports[`basics t-set works  1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -256,7 +241,6 @@ exports[`basics t-set works  1`] = `
 exports[`basics t-set works  2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -271,7 +255,6 @@ exports[`basics t-set works  2`] = `
 exports[`basics template string in prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -284,7 +267,6 @@ exports[`basics template string in prop 1`] = `
 exports[`basics template string in prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -296,7 +278,6 @@ exports[`basics template string in prop 2`] = `
 exports[`bound functions is referentially equal after update 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { bind } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -310,7 +291,6 @@ exports[`bound functions is referentially equal after update 1`] = `
 exports[`bound functions is referentially equal after update 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -322,7 +302,6 @@ exports[`bound functions is referentially equal after update 2`] = `
 exports[`can bind function prop with bind suffix 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { bind } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -336,7 +315,6 @@ exports[`can bind function prop with bind suffix 1`] = `
 exports[`can bind function prop with bind suffix 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {

tests/components/__snapshots__/props_validation.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`default props a default prop cannot be defined on a mandatory prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -18,7 +17,6 @@ exports[`default props a default prop cannot be defined on a mandatory prop 1`]
 exports[`default props can set default boolean values 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -36,7 +34,6 @@ exports[`default props can set default boolean values 1`] = `
 exports[`default props can set default boolean values 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-child-0/><block-child-1/></span>\`);
@@ -57,7 +54,6 @@ exports[`default props can set default boolean values 2`] = `
 exports[`default props can set default values 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -75,7 +71,6 @@ exports[`default props can set default values 1`] = `
 exports[`default props can set default values 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -90,7 +85,6 @@ exports[`default props can set default values 2`] = `
 exports[`default props default values are also set whenever component is updated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -108,7 +102,6 @@ exports[`default props default values are also set whenever component is updated
 exports[`default props default values are also set whenever component is updated 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -123,7 +116,6 @@ exports[`default props default values are also set whenever component is updated
 exports[`props validation can specify that additional props are allowed (array) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -138,7 +130,6 @@ exports[`props validation can specify that additional props are allowed (array)
 exports[`props validation can specify that additional props are allowed (array) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -152,7 +143,6 @@ exports[`props validation can specify that additional props are allowed (array)
 exports[`props validation can specify that additional props are allowed (object) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -167,7 +157,6 @@ exports[`props validation can specify that additional props are allowed (object)
 exports[`props validation can specify that additional props are allowed (object) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -181,7 +170,6 @@ exports[`props validation can specify that additional props are allowed (object)
 exports[`props validation can validate a prop with multiple types 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -199,7 +187,6 @@ exports[`props validation can validate a prop with multiple types 1`] = `
 exports[`props validation can validate a prop with multiple types 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -213,7 +200,6 @@ exports[`props validation can validate a prop with multiple types 2`] = `
 exports[`props validation can validate a prop with multiple types 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -231,7 +217,6 @@ exports[`props validation can validate a prop with multiple types 3`] = `
 exports[`props validation can validate a prop with multiple types 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -245,7 +230,6 @@ exports[`props validation can validate a prop with multiple types 4`] = `
 exports[`props validation can validate a prop with multiple types 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -263,7 +247,6 @@ exports[`props validation can validate a prop with multiple types 5`] = `
 exports[`props validation can validate an array with given primitive type 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -281,7 +264,6 @@ exports[`props validation can validate an array with given primitive type 1`] =
 exports[`props validation can validate an array with given primitive type 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -295,7 +277,6 @@ exports[`props validation can validate an array with given primitive type 2`] =
 exports[`props validation can validate an array with given primitive type 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -313,7 +294,6 @@ exports[`props validation can validate an array with given primitive type 3`] =
 exports[`props validation can validate an array with given primitive type 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -327,7 +307,6 @@ exports[`props validation can validate an array with given primitive type 4`] =
 exports[`props validation can validate an array with given primitive type 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -345,7 +324,6 @@ exports[`props validation can validate an array with given primitive type 5`] =
 exports[`props validation can validate an array with given primitive type 6`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -363,7 +341,6 @@ exports[`props validation can validate an array with given primitive type 6`] =
 exports[`props validation can validate an array with multiple sub element types 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -381,7 +358,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -395,7 +371,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -413,7 +388,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -427,7 +401,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -445,7 +418,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 6`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -459,7 +431,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 7`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -477,7 +448,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an object with simple shape 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -495,7 +465,6 @@ exports[`props validation can validate an object with simple shape 1`] = `
 exports[`props validation can validate an object with simple shape 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -509,7 +478,6 @@ exports[`props validation can validate an object with simple shape 2`] = `
 exports[`props validation can validate an object with simple shape 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -527,7 +495,6 @@ exports[`props validation can validate an object with simple shape 3`] = `
 exports[`props validation can validate an object with simple shape 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -545,7 +512,6 @@ exports[`props validation can validate an object with simple shape 4`] = `
 exports[`props validation can validate an object with simple shape 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -563,7 +529,6 @@ exports[`props validation can validate an object with simple shape 5`] = `
 exports[`props validation can validate an optional props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -581,7 +546,6 @@ exports[`props validation can validate an optional props 1`] = `
 exports[`props validation can validate an optional props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -595,7 +559,6 @@ exports[`props validation can validate an optional props 2`] = `
 exports[`props validation can validate an optional props 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -613,7 +576,6 @@ exports[`props validation can validate an optional props 3`] = `
 exports[`props validation can validate an optional props 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -627,7 +589,6 @@ exports[`props validation can validate an optional props 4`] = `
 exports[`props validation can validate an optional props 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -645,7 +606,6 @@ exports[`props validation can validate an optional props 5`] = `
 exports[`props validation can validate recursively complicated prop def 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -663,7 +623,6 @@ exports[`props validation can validate recursively complicated prop def 1`] = `
 exports[`props validation can validate recursively complicated prop def 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -677,7 +636,6 @@ exports[`props validation can validate recursively complicated prop def 2`] = `
 exports[`props validation can validate recursively complicated prop def 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -695,7 +653,6 @@ exports[`props validation can validate recursively complicated prop def 3`] = `
 exports[`props validation can validate recursively complicated prop def 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -709,7 +666,6 @@ exports[`props validation can validate recursively complicated prop def 4`] = `
 exports[`props validation can validate recursively complicated prop def 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -727,7 +683,6 @@ exports[`props validation can validate recursively complicated prop def 5`] = `
 exports[`props validation default values are applied before validating props at update 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -745,7 +700,6 @@ exports[`props validation default values are applied before validating props at
 exports[`props validation default values are applied before validating props at update 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -760,7 +714,6 @@ exports[`props validation default values are applied before validating props at
 exports[`props validation missing required boolean prop causes an error 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -778,7 +731,6 @@ exports[`props validation missing required boolean prop causes an error 1`] = `
 exports[`props validation mix of optional and mandatory 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -796,7 +748,6 @@ exports[`props validation mix of optional and mandatory 1`] = `
 exports[`props validation props are validated in dev mode (code snapshot) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -814,7 +765,6 @@ exports[`props validation props are validated in dev mode (code snapshot) 1`] =
 exports[`props validation props are validated in dev mode (code snapshot) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -829,7 +779,6 @@ exports[`props validation props are validated in dev mode (code snapshot) 2`] =
 exports[`props validation props are validated whenever component is updated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -847,7 +796,6 @@ exports[`props validation props are validated whenever component is updated 1`]
 exports[`props validation props are validated whenever component is updated 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -862,7 +810,6 @@ exports[`props validation props are validated whenever component is updated 2`]
 exports[`props validation props: list of strings 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -880,7 +827,6 @@ exports[`props validation props: list of strings 1`] = `
 exports[`props validation validate simple types 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -898,7 +844,6 @@ exports[`props validation validate simple types 1`] = `
 exports[`props validation validate simple types 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -916,7 +861,6 @@ exports[`props validation validate simple types 2`] = `
 exports[`props validation validate simple types 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -930,7 +874,6 @@ exports[`props validation validate simple types 3`] = `
 exports[`props validation validate simple types 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -948,7 +891,6 @@ exports[`props validation validate simple types 4`] = `
 exports[`props validation validate simple types 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -966,7 +908,6 @@ exports[`props validation validate simple types 5`] = `
 exports[`props validation validate simple types 6`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -984,7 +925,6 @@ exports[`props validation validate simple types 6`] = `
 exports[`props validation validate simple types 7`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -998,7 +938,6 @@ exports[`props validation validate simple types 7`] = `
 exports[`props validation validate simple types 8`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1016,7 +955,6 @@ exports[`props validation validate simple types 8`] = `
 exports[`props validation validate simple types 9`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1034,7 +972,6 @@ exports[`props validation validate simple types 9`] = `
 exports[`props validation validate simple types 10`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1052,7 +989,6 @@ exports[`props validation validate simple types 10`] = `
 exports[`props validation validate simple types 11`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1066,7 +1002,6 @@ exports[`props validation validate simple types 11`] = `
 exports[`props validation validate simple types 12`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1084,7 +1019,6 @@ exports[`props validation validate simple types 12`] = `
 exports[`props validation validate simple types 13`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1102,7 +1036,6 @@ exports[`props validation validate simple types 13`] = `
 exports[`props validation validate simple types 14`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1120,7 +1053,6 @@ exports[`props validation validate simple types 14`] = `
 exports[`props validation validate simple types 15`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1134,7 +1066,6 @@ exports[`props validation validate simple types 15`] = `
 exports[`props validation validate simple types 16`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1152,7 +1083,6 @@ exports[`props validation validate simple types 16`] = `
 exports[`props validation validate simple types 17`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1170,7 +1100,6 @@ exports[`props validation validate simple types 17`] = `
 exports[`props validation validate simple types 18`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1188,7 +1117,6 @@ exports[`props validation validate simple types 18`] = `
 exports[`props validation validate simple types 19`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1202,7 +1130,6 @@ exports[`props validation validate simple types 19`] = `
 exports[`props validation validate simple types 20`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1220,7 +1147,6 @@ exports[`props validation validate simple types 20`] = `
 exports[`props validation validate simple types 21`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1238,7 +1164,6 @@ exports[`props validation validate simple types 21`] = `
 exports[`props validation validate simple types 22`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1256,7 +1181,6 @@ exports[`props validation validate simple types 22`] = `
 exports[`props validation validate simple types 23`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1270,7 +1194,6 @@ exports[`props validation validate simple types 23`] = `
 exports[`props validation validate simple types 24`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1288,7 +1211,6 @@ exports[`props validation validate simple types 24`] = `
 exports[`props validation validate simple types, alternate form 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1306,7 +1228,6 @@ exports[`props validation validate simple types, alternate form 1`] = `
 exports[`props validation validate simple types, alternate form 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1324,7 +1245,6 @@ exports[`props validation validate simple types, alternate form 2`] = `
 exports[`props validation validate simple types, alternate form 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1338,7 +1258,6 @@ exports[`props validation validate simple types, alternate form 3`] = `
 exports[`props validation validate simple types, alternate form 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1356,7 +1275,6 @@ exports[`props validation validate simple types, alternate form 4`] = `
 exports[`props validation validate simple types, alternate form 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1374,7 +1292,6 @@ exports[`props validation validate simple types, alternate form 5`] = `
 exports[`props validation validate simple types, alternate form 6`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1392,7 +1309,6 @@ exports[`props validation validate simple types, alternate form 6`] = `
 exports[`props validation validate simple types, alternate form 7`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1406,7 +1322,6 @@ exports[`props validation validate simple types, alternate form 7`] = `
 exports[`props validation validate simple types, alternate form 8`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1424,7 +1339,6 @@ exports[`props validation validate simple types, alternate form 8`] = `
 exports[`props validation validate simple types, alternate form 9`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1442,7 +1356,6 @@ exports[`props validation validate simple types, alternate form 9`] = `
 exports[`props validation validate simple types, alternate form 10`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1460,7 +1373,6 @@ exports[`props validation validate simple types, alternate form 10`] = `
 exports[`props validation validate simple types, alternate form 11`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1474,7 +1386,6 @@ exports[`props validation validate simple types, alternate form 11`] = `
 exports[`props validation validate simple types, alternate form 12`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1492,7 +1403,6 @@ exports[`props validation validate simple types, alternate form 12`] = `
 exports[`props validation validate simple types, alternate form 13`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1510,7 +1420,6 @@ exports[`props validation validate simple types, alternate form 13`] = `
 exports[`props validation validate simple types, alternate form 14`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1528,7 +1437,6 @@ exports[`props validation validate simple types, alternate form 14`] = `
 exports[`props validation validate simple types, alternate form 15`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1542,7 +1450,6 @@ exports[`props validation validate simple types, alternate form 15`] = `
 exports[`props validation validate simple types, alternate form 16`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1560,7 +1467,6 @@ exports[`props validation validate simple types, alternate form 16`] = `
 exports[`props validation validate simple types, alternate form 17`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1578,7 +1484,6 @@ exports[`props validation validate simple types, alternate form 17`] = `
 exports[`props validation validate simple types, alternate form 18`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1596,7 +1501,6 @@ exports[`props validation validate simple types, alternate form 18`] = `
 exports[`props validation validate simple types, alternate form 19`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1610,7 +1514,6 @@ exports[`props validation validate simple types, alternate form 19`] = `
 exports[`props validation validate simple types, alternate form 20`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1628,7 +1531,6 @@ exports[`props validation validate simple types, alternate form 20`] = `
 exports[`props validation validate simple types, alternate form 21`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1646,7 +1548,6 @@ exports[`props validation validate simple types, alternate form 21`] = `
 exports[`props validation validate simple types, alternate form 22`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1664,7 +1565,6 @@ exports[`props validation validate simple types, alternate form 22`] = `
 exports[`props validation validate simple types, alternate form 23`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1678,7 +1578,6 @@ exports[`props validation validate simple types, alternate form 23`] = `
 exports[`props validation validate simple types, alternate form 24`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1696,7 +1595,6 @@ exports[`props validation validate simple types, alternate form 24`] = `
 exports[`props validation validation is only done in dev mode 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -1714,7 +1612,6 @@ exports[`props validation validation is only done in dev mode 1`] = `
 exports[`props validation validation is only done in dev mode 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -1730,7 +1627,6 @@ exports[`props validation validation is only done in dev mode 2`] = `
 exports[`props validation validation is only done in dev mode 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);

tests/components/__snapshots__/reactivity.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`reactivity in lifecycle Child component doesn't render when state they depend on changes but their parent is about to unmount them 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -20,7 +19,6 @@ exports[`reactivity in lifecycle Child component doesn't render when state they
 exports[`reactivity in lifecycle Child component doesn't render when state they depend on changes but their parent is about to unmount them 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -32,7 +30,6 @@ exports[`reactivity in lifecycle Child component doesn't render when state they
 exports[`reactivity in lifecycle Component is automatically subscribed to reactive object received as prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -45,7 +42,6 @@ exports[`reactivity in lifecycle Component is automatically subscribed to reacti
 exports[`reactivity in lifecycle Component is automatically subscribed to reactive object received as prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -59,7 +55,6 @@ exports[`reactivity in lifecycle Component is automatically subscribed to reacti
 exports[`reactivity in lifecycle can use a state hook 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -74,7 +69,6 @@ exports[`reactivity in lifecycle can use a state hook 1`] = `
 exports[`reactivity in lifecycle can use a state hook 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -89,7 +83,6 @@ exports[`reactivity in lifecycle can use a state hook 2 1`] = `
 exports[`reactivity in lifecycle can use a state hook on Map 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -104,7 +97,6 @@ exports[`reactivity in lifecycle can use a state hook on Map 1`] = `
 exports[`reactivity in lifecycle change state while mounting component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -119,7 +111,6 @@ exports[`reactivity in lifecycle change state while mounting component 1`] = `
 exports[`reactivity in lifecycle state changes in willUnmount do not trigger rerender 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -138,7 +129,6 @@ exports[`reactivity in lifecycle state changes in willUnmount do not trigger rer
 exports[`reactivity in lifecycle state changes in willUnmount do not trigger rerender 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);

tests/components/__snapshots__/refs.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`refs basic use 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-ref=\\"0\\"/>\`);
@@ -19,7 +18,6 @@ exports[`refs basic use 1`] = `
 exports[`refs can use 2 refs with same name in a t-if/t-else situation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { multiRefSetter } = helpers;
   
@@ -43,7 +41,6 @@ exports[`refs can use 2 refs with same name in a t-if/t-else situation 1`] = `
 exports[`refs refs and recursive templates 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Test\`, true, false, false, false);
   
@@ -65,7 +62,6 @@ exports[`refs refs and recursive templates 1`] = `
 exports[`refs refs are properly bound in slots 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { capture, markRaw } = helpers;
   const comp1 = app.createComponent(\`Dialog\`, true, true, false, true);
@@ -92,7 +88,6 @@ exports[`refs refs are properly bound in slots 1`] = `
 exports[`refs refs are properly bound in slots 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -108,7 +103,6 @@ exports[`refs refs are properly bound in slots 2`] = `
 exports[`refs throws if there are 2 same refs at the same time 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { multiRefSetter } = helpers;
   

tests/components/__snapshots__/rendering.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`children, default props and renderings 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -18,7 +17,6 @@ exports[`children, default props and renderings 1`] = `
 exports[`children, default props and renderings 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -30,7 +28,6 @@ exports[`children, default props and renderings 2`] = `
 exports[`force render in case of existing render 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -43,7 +40,6 @@ exports[`force render in case of existing render 1`] = `
 exports[`force render in case of existing render 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
   
@@ -58,7 +54,6 @@ exports[`force render in case of existing render 2`] = `
 exports[`force render in case of existing render 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -70,7 +65,6 @@ exports[`force render in case of existing render 3`] = `
 exports[`rendering semantics can force a render to update sub tree 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -85,7 +79,6 @@ exports[`rendering semantics can force a render to update sub tree 1`] = `
 exports[`rendering semantics can force a render to update sub tree 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -97,7 +90,6 @@ exports[`rendering semantics can force a render to update sub tree 2`] = `
 exports[`rendering semantics can render a parent without rendering child 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -112,7 +104,6 @@ exports[`rendering semantics can render a parent without rendering child 1`] = `
 exports[`rendering semantics can render a parent without rendering child 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -124,7 +115,6 @@ exports[`rendering semantics can render a parent without rendering child 2`] = `
 exports[`rendering semantics props are reactive (nested prop) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -137,7 +127,6 @@ exports[`rendering semantics props are reactive (nested prop) 1`] = `
 exports[`rendering semantics props are reactive (nested prop) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -149,7 +138,6 @@ exports[`rendering semantics props are reactive (nested prop) 2`] = `
 exports[`rendering semantics props are reactive 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -162,7 +150,6 @@ exports[`rendering semantics props are reactive 1`] = `
 exports[`rendering semantics props are reactive 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -174,7 +161,6 @@ exports[`rendering semantics props are reactive 2`] = `
 exports[`rendering semantics render need a boolean = true to be 'deep' 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -189,7 +175,6 @@ exports[`rendering semantics render need a boolean = true to be 'deep' 1`] = `
 exports[`rendering semantics render need a boolean = true to be 'deep' 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -201,7 +186,6 @@ exports[`rendering semantics render need a boolean = true to be 'deep' 2`] = `
 exports[`rendering semantics render with deep=true followed by render with deep=false work as expected 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -217,7 +201,6 @@ exports[`rendering semantics render with deep=true followed by render with deep=
 exports[`rendering semantics render with deep=true followed by render with deep=false work as expected 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -231,7 +214,6 @@ exports[`rendering semantics render with deep=true followed by render with deep=
 exports[`rendering semantics rendering is atomic (for one subtree) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -246,7 +228,6 @@ exports[`rendering semantics rendering is atomic (for one subtree) 1`] = `
 exports[`rendering semantics rendering is atomic (for one subtree) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, false);
   
@@ -259,7 +240,6 @@ exports[`rendering semantics rendering is atomic (for one subtree) 2`] = `
 exports[`rendering semantics rendering is atomic (for one subtree) 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -271,7 +251,6 @@ exports[`rendering semantics rendering is atomic (for one subtree) 3`] = `
 exports[`rendering semantics works as expected for dynamic number of props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, true, false);
   
@@ -284,7 +263,6 @@ exports[`rendering semantics works as expected for dynamic number of props 1`] =
 exports[`rendering semantics works as expected for dynamic number of props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {

tests/components/__snapshots__/style_class.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`style and class handling can set class on multi root component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -16,7 +15,6 @@ exports[`style and class handling can set class on multi root component 1`] = `
 exports[`style and class handling can set class on multi root component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<div>a</div>\`);
@@ -34,7 +32,6 @@ exports[`style and class handling can set class on multi root component 2`] = `
 exports[`style and class handling can set class on sub component, as prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -47,7 +44,6 @@ exports[`style and class handling can set class on sub component, as prop 1`] =
 exports[`style and class handling can set class on sub component, as prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">child</div>\`);
@@ -62,7 +58,6 @@ exports[`style and class handling can set class on sub component, as prop 2`] =
 exports[`style and class handling can set class on sub sub component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -75,7 +70,6 @@ exports[`style and class handling can set class on sub sub component 1`] = `
 exports[`style and class handling can set class on sub sub component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildChild\`, true, false, false, false);
   
@@ -88,7 +82,6 @@ exports[`style and class handling can set class on sub sub component 2`] = `
 exports[`style and class handling can set class on sub sub component 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">childchild</div>\`);
@@ -103,7 +96,6 @@ exports[`style and class handling can set class on sub sub component 3`] = `
 exports[`style and class handling can set more than one class on sub component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -116,7 +108,6 @@ exports[`style and class handling can set more than one class on sub component 1
 exports[`style and class handling can set more than one class on sub component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">child</div>\`);
@@ -131,7 +122,6 @@ exports[`style and class handling can set more than one class on sub component 2
 exports[`style and class handling can set style and class inside component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div style=\\"font-weight:bold;\\" class=\\"some-class\\">world</div>\`);
@@ -145,7 +135,6 @@ exports[`style and class handling can set style and class inside component 1`] =
 exports[`style and class handling class on components do not interfere with user defined classes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -160,7 +149,6 @@ exports[`style and class handling class on components do not interfere with user
 exports[`style and class handling class on sub component, which is switched to another 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -173,7 +161,6 @@ exports[`style and class handling class on sub component, which is switched to a
 exports[`style and class handling class on sub component, which is switched to another 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildA\`, true, false, false, false);
   const comp2 = app.createComponent(\`ChildB\`, true, false, false, false);
@@ -193,7 +180,6 @@ exports[`style and class handling class on sub component, which is switched to a
 exports[`style and class handling class on sub component, which is switched to another 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">a</div>\`);
@@ -208,7 +194,6 @@ exports[`style and class handling class on sub component, which is switched to a
 exports[`style and class handling class on sub component, which is switched to another 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span block-attribute-0=\\"class\\">b</span>\`);
@@ -223,7 +208,6 @@ exports[`style and class handling class on sub component, which is switched to a
 exports[`style and class handling class with extra whitespaces (variation) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -239,7 +223,6 @@ exports[`style and class handling class with extra whitespaces (variation) 1`] =
 exports[`style and class handling class with extra whitespaces (variation) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -254,7 +237,6 @@ exports[`style and class handling class with extra whitespaces (variation) 2`] =
 exports[`style and class handling class with extra whitespaces 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -267,7 +249,6 @@ exports[`style and class handling class with extra whitespaces 1`] = `
 exports[`style and class handling class with extra whitespaces 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -282,7 +263,6 @@ exports[`style and class handling class with extra whitespaces 2`] = `
 exports[`style and class handling component class and parent class combine together 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -295,7 +275,6 @@ exports[`style and class handling component class and parent class combine toget
 exports[`style and class handling component class and parent class combine together 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"child\\" block-attribute-0=\\"class\\">child</div>\`);
@@ -337,7 +316,6 @@ exports[`style and class handling dynamic t-att-style is properly added and upda
 exports[`style and class handling empty class attribute is not added on widget root el 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -353,7 +331,6 @@ exports[`style and class handling empty class attribute is not added on widget r
 exports[`style and class handling empty class attribute is not added on widget root el 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span block-attribute-0=\\"class\\"/>\`);
@@ -368,7 +345,6 @@ exports[`style and class handling empty class attribute is not added on widget r
 exports[`style and class handling error in subcomponent with class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -381,7 +357,6 @@ exports[`style and class handling error in subcomponent with class 1`] = `
 exports[`style and class handling error in subcomponent with class 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"><block-text-1/></div>\`);
@@ -397,7 +372,6 @@ exports[`style and class handling error in subcomponent with class 2`] = `
 exports[`style and class handling no class is set is child ignores it 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -410,7 +384,6 @@ exports[`style and class handling no class is set is child ignores it 1`] = `
 exports[`style and class handling no class is set is child ignores it 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>child</div>\`);
@@ -424,7 +397,6 @@ exports[`style and class handling no class is set is child ignores it 2`] = `
 exports[`style and class handling no class is set is parent does not give it as prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -437,7 +409,6 @@ exports[`style and class handling no class is set is parent does not give it as
 exports[`style and class handling no class is set is parent does not give it as prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">child</div>\`);
@@ -452,7 +423,6 @@ exports[`style and class handling no class is set is parent does not give it as
 exports[`style and class handling style is properly added on widget root el 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -465,7 +435,6 @@ exports[`style and class handling style is properly added on widget root el 1`]
 exports[`style and class handling style is properly added on widget root el 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"style\\"/>\`);
@@ -480,7 +449,6 @@ exports[`style and class handling style is properly added on widget root el 2`]
 exports[`style and class handling t-att-class is properly added/removed on widget root el (v2) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -496,7 +464,6 @@ exports[`style and class handling t-att-class is properly added/removed on widge
 exports[`style and class handling t-att-class is properly added/removed on widget root el (v2) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span class=\\"c\\" block-attribute-0=\\"class\\"/>\`);
@@ -511,7 +478,6 @@ exports[`style and class handling t-att-class is properly added/removed on widge
 exports[`style and class handling t-att-class is properly added/removed on widget root el (v3) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -524,7 +490,6 @@ exports[`style and class handling t-att-class is properly added/removed on widge
 exports[`style and class handling t-att-class is properly added/removed on widget root el (v3) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span class=\\"c\\" block-attribute-0=\\"class\\"/>\`);

tests/components/__snapshots__/t_call.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-call dynamic t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const call = app.callTemplate.bind(app);
@@ -22,7 +21,6 @@ exports[`t-call dynamic t-call 1`] = `
 exports[`t-call dynamic t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>foo</div>\`);
@@ -36,7 +34,6 @@ exports[`t-call dynamic t-call 2`] = `
 exports[`t-call dynamic t-call 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -48,7 +45,6 @@ exports[`t-call dynamic t-call 3`] = `
 exports[`t-call dynamic t-call: key is propagated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const call = app.callTemplate.bind(app);
@@ -65,7 +61,6 @@ exports[`t-call dynamic t-call: key is propagated 1`] = `
 exports[`t-call dynamic t-call: key is propagated 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"id\\"/>\`);
@@ -80,7 +75,6 @@ exports[`t-call dynamic t-call: key is propagated 2`] = `
 exports[`t-call dynamic t-call: key is propagated 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -93,7 +87,6 @@ exports[`t-call dynamic t-call: key is propagated 3`] = `
 exports[`t-call handlers are properly bound through a dynamic t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const call = app.callTemplate.bind(app);
   
@@ -111,7 +104,6 @@ exports[`t-call handlers are properly bound through a dynamic t-call 1`] = `
 exports[`t-call handlers are properly bound through a dynamic t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
@@ -126,7 +118,6 @@ exports[`t-call handlers are properly bound through a dynamic t-call 2`] = `
 exports[`t-call handlers are properly bound through a t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
   
@@ -143,7 +134,6 @@ exports[`t-call handlers are properly bound through a t-call 1`] = `
 exports[`t-call handlers are properly bound through a t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
@@ -158,7 +148,6 @@ exports[`t-call handlers are properly bound through a t-call 2`] = `
 exports[`t-call handlers with arguments are properly bound through a t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
   
@@ -174,7 +163,6 @@ exports[`t-call handlers with arguments are properly bound through a t-call 1`]
 exports[`t-call handlers with arguments are properly bound through a t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
@@ -190,7 +178,6 @@ exports[`t-call handlers with arguments are properly bound through a t-call 2`]
 exports[`t-call parent is set within t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
   
@@ -206,7 +193,6 @@ exports[`t-call parent is set within t-call 1`] = `
 exports[`t-call parent is set within t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -219,7 +205,6 @@ exports[`t-call parent is set within t-call 2`] = `
 exports[`t-call parent is set within t-call 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>lucas</span>\`);
@@ -233,7 +218,6 @@ exports[`t-call parent is set within t-call 3`] = `
 exports[`t-call parent is set within t-call with no parentNode 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
   
@@ -246,7 +230,6 @@ exports[`t-call parent is set within t-call with no parentNode 1`] = `
 exports[`t-call parent is set within t-call with no parentNode 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -259,7 +242,6 @@ exports[`t-call parent is set within t-call with no parentNode 2`] = `
 exports[`t-call parent is set within t-call with no parentNode 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>lucas</span>\`);
@@ -273,7 +255,6 @@ exports[`t-call parent is set within t-call with no parentNode 3`] = `
 exports[`t-call recursive t-call binding this -- static t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`recursive\`);
@@ -295,7 +276,6 @@ exports[`t-call recursive t-call binding this -- static t-call 1`] = `
 exports[`t-call recursive t-call binding this -- static t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`recursive\`);
@@ -325,7 +305,6 @@ exports[`t-call recursive t-call binding this -- static t-call 2`] = `
 exports[`t-call sub components in two t-calls 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   const callTemplate_2 = app.getTemplate(\`sub\`);
@@ -348,7 +327,6 @@ exports[`t-call sub components in two t-calls 1`] = `
 exports[`t-call sub components in two t-calls 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -361,7 +339,6 @@ exports[`t-call sub components in two t-calls 2`] = `
 exports[`t-call sub components in two t-calls 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -376,7 +353,6 @@ exports[`t-call sub components in two t-calls 3`] = `
 exports[`t-call t-call in t-foreach and children component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
@@ -404,7 +380,6 @@ exports[`t-call t-call in t-foreach and children component 1`] = `
 exports[`t-call t-call in t-foreach and children component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -417,7 +392,6 @@ exports[`t-call t-call in t-foreach and children component 2`] = `
 exports[`t-call t-call in t-foreach and children component 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -432,7 +406,6 @@ exports[`t-call t-call in t-foreach and children component 3`] = `
 exports[`t-call t-call with t-call-context and subcomponent 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`someTemplate\`);
   
@@ -446,7 +419,6 @@ exports[`t-call t-call with t-call-context and subcomponent 1`] = `
 exports[`t-call t-call with t-call-context and subcomponent 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   const comp2 = app.createComponent(\`Child\`, true, false, false, false);
@@ -462,7 +434,6 @@ exports[`t-call t-call with t-call-context and subcomponent 2`] = `
 exports[`t-call t-call with t-call-context and subcomponent 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -476,7 +447,6 @@ exports[`t-call t-call with t-call-context and subcomponent 3`] = `
 exports[`t-call t-call with t-call-context, simple use 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`someTemplate\`);
   
@@ -490,7 +460,6 @@ exports[`t-call t-call with t-call-context, simple use 1`] = `
 exports[`t-call t-call with t-call-context, simple use 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {

tests/components/__snapshots__/t_call_block.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-call-block simple t-call-block with static text 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);

tests/components/__snapshots__/t_component.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-component can switch between dynamic components without the need for a t-key 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -20,7 +19,6 @@ exports[`t-component can switch between dynamic components without the need for
 exports[`t-component can switch between dynamic components without the need for a t-key 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child a</span>\`);
@@ -34,7 +32,6 @@ exports[`t-component can switch between dynamic components without the need for
 exports[`t-component can switch between dynamic components without the need for a t-key 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child b</span>\`);
@@ -48,7 +45,6 @@ exports[`t-component can switch between dynamic components without the need for
 exports[`t-component can use dynamic components (the class) if given (with different root tagname) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -63,7 +59,6 @@ exports[`t-component can use dynamic components (the class) if given (with diffe
 exports[`t-component can use dynamic components (the class) if given (with different root tagname) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child a</span>\`);
@@ -77,7 +72,6 @@ exports[`t-component can use dynamic components (the class) if given (with diffe
 exports[`t-component can use dynamic components (the class) if given (with different root tagname) 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>child b</div>\`);
@@ -91,7 +85,6 @@ exports[`t-component can use dynamic components (the class) if given (with diffe
 exports[`t-component can use dynamic components (the class) if given 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -106,7 +99,6 @@ exports[`t-component can use dynamic components (the class) if given 1`] = `
 exports[`t-component can use dynamic components (the class) if given 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child a</span>\`);
@@ -120,7 +112,6 @@ exports[`t-component can use dynamic components (the class) if given 2`] = `
 exports[`t-component can use dynamic components (the class) if given 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child b</span>\`);
@@ -134,7 +125,6 @@ exports[`t-component can use dynamic components (the class) if given 3`] = `
 exports[`t-component modifying a sub widget 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -151,7 +141,6 @@ exports[`t-component modifying a sub widget 1`] = `
 exports[`t-component modifying a sub widget 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><button block-handler-1=\\"click\\">Inc</button></div>\`);
@@ -168,7 +157,6 @@ exports[`t-component modifying a sub widget 2`] = `
 exports[`t-component switching dynamic component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -182,7 +170,6 @@ exports[`t-component switching dynamic component 1`] = `
 exports[`t-component switching dynamic component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>child a</div>\`);
@@ -196,7 +183,6 @@ exports[`t-component switching dynamic component 2`] = `
 exports[`t-component switching dynamic component 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -208,7 +194,6 @@ exports[`t-component switching dynamic component 3`] = `
 exports[`t-component t-component works in simple case 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -222,7 +207,6 @@ exports[`t-component t-component works in simple case 1`] = `
 exports[`t-component t-component works in simple case 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>child</div>\`);

tests/components/__snapshots__/t_foreach.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`list of components components in a node in a t-foreach  1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -29,7 +28,6 @@ exports[`list of components components in a node in a t-foreach  1`] = `
 exports[`list of components components in a node in a t-foreach  2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -44,7 +42,6 @@ exports[`list of components components in a node in a t-foreach  2`] = `
 exports[`list of components crash on duplicate key in dev mode 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
@@ -70,7 +67,6 @@ exports[`list of components crash on duplicate key in dev mode 1`] = `
 exports[`list of components crash on duplicate key in dev mode 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -82,7 +78,6 @@ exports[`list of components crash on duplicate key in dev mode 2`] = `
 exports[`list of components list of sub components inside other nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`SubComponent\`, true, false, false, true);
@@ -108,7 +103,6 @@ exports[`list of components list of sub components inside other nodes 1`] = `
 exports[`list of components list of sub components inside other nodes 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>asdf</span>\`);
@@ -122,7 +116,6 @@ exports[`list of components list of sub components inside other nodes 2`] = `
 exports[`list of components reconciliation alg works for t-foreach in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -156,7 +149,6 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach
 exports[`list of components reconciliation alg works for t-foreach in t-foreach 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -171,7 +163,6 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach
 exports[`list of components reconciliation alg works for t-foreach in t-foreach, 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -207,7 +198,6 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach,
 exports[`list of components reconciliation alg works for t-foreach in t-foreach, 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -222,7 +212,6 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach,
 exports[`list of components simple list 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -243,7 +232,6 @@ exports[`list of components simple list 1`] = `
 exports[`list of components simple list 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -258,7 +246,6 @@ exports[`list of components simple list 2`] = `
 exports[`list of components sub components rendered in a loop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -282,7 +269,6 @@ exports[`list of components sub components rendered in a loop 1`] = `
 exports[`list of components sub components rendered in a loop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
@@ -297,7 +283,6 @@ exports[`list of components sub components rendered in a loop 2`] = `
 exports[`list of components sub components with some state rendered in a loop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
@@ -321,7 +306,6 @@ exports[`list of components sub components with some state rendered in a loop 1`
 exports[`list of components sub components with some state rendered in a loop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
@@ -336,7 +320,6 @@ exports[`list of components sub components with some state rendered in a loop 2`
 exports[`list of components switch component position 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -360,7 +343,6 @@ exports[`list of components switch component position 1`] = `
 exports[`list of components switch component position 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -375,7 +357,6 @@ exports[`list of components switch component position 2`] = `
 exports[`list of components t-foreach with t-component, and update 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -400,7 +381,6 @@ exports[`list of components t-foreach with t-component, and update 1`] = `
 exports[`list of components t-foreach with t-component, and update 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);

tests/components/__snapshots__/t_key.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-key t-foreach with t-key switch component position 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -28,7 +27,6 @@ exports[`t-key t-foreach with t-key switch component position 1`] = `
 exports[`t-key t-foreach with t-key switch component position 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -43,7 +41,6 @@ exports[`t-key t-foreach with t-key switch component position 2`] = `
 exports[`t-key t-key on Component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -57,7 +54,6 @@ exports[`t-key t-key on Component 1`] = `
 exports[`t-key t-key on Component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -72,7 +68,6 @@ exports[`t-key t-key on Component 2`] = `
 exports[`t-key t-key on Component as a function 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -89,7 +84,6 @@ exports[`t-key t-key on Component as a function 1`] = `
 exports[`t-key t-key on Component as a function 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -104,7 +98,6 @@ exports[`t-key t-key on Component as a function 2`] = `
 exports[`t-key t-key on multiple Components 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   const comp2 = app.createComponent(\`Child\`, true, false, false, false);
@@ -124,7 +117,6 @@ exports[`t-key t-key on multiple Components 1`] = `
 exports[`t-key t-key on multiple Components 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -139,7 +131,6 @@ exports[`t-key t-key on multiple Components 2`] = `
 exports[`t-key t-key on multiple Components with t-call 1 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`calledTemplate\`);
@@ -167,7 +158,6 @@ exports[`t-key t-key on multiple Components with t-call 1 1`] = `
 exports[`t-key t-key on multiple Components with t-call 1 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -181,7 +171,6 @@ exports[`t-key t-key on multiple Components with t-call 1 2`] = `
 exports[`t-key t-key on multiple Components with t-call 1 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -196,7 +185,6 @@ exports[`t-key t-key on multiple Components with t-call 1 3`] = `
 exports[`t-key t-key on multiple Components with t-call 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`calledTemplate\`);
   
@@ -212,7 +200,6 @@ exports[`t-key t-key on multiple Components with t-call 2 1`] = `
 exports[`t-key t-key on multiple Components with t-call 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   const comp2 = app.createComponent(\`Child\`, true, false, false, false);
@@ -230,7 +217,6 @@ exports[`t-key t-key on multiple Components with t-call 2 2`] = `
 exports[`t-key t-key on multiple Components with t-call 2 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);

tests/components/__snapshots__/t_model.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-model directive .lazy modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -23,7 +22,6 @@ exports[`t-model directive .lazy modifier 1`] = `
 exports[`t-model directive .number modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -43,7 +41,6 @@ exports[`t-model directive .number modifier 1`] = `
 exports[`t-model directive .trim modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -63,7 +60,6 @@ exports[`t-model directive .trim modifier 1`] = `
 exports[`t-model directive basic use, on an input 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -83,7 +79,6 @@ exports[`t-model directive basic use, on an input 1`] = `
 exports[`t-model directive basic use, on an input with bracket expression 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -103,7 +98,6 @@ exports[`t-model directive basic use, on an input with bracket expression 1`] =
 exports[`t-model directive basic use, on another key in component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -123,7 +117,6 @@ exports[`t-model directive basic use, on another key in component 1`] = `
 exports[`t-model directive can also define t-on directive on same event, part 1 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -143,7 +136,6 @@ exports[`t-model directive can also define t-on directive on same event, part 1
 exports[`t-model directive can also define t-on directive on same event, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -173,7 +165,6 @@ exports[`t-model directive can also define t-on directive on same event, part 2
 exports[`t-model directive following a scope protecting directive (e.g. t-set) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, toNumber } = helpers;
   
@@ -195,7 +186,6 @@ exports[`t-model directive following a scope protecting directive (e.g. t-set) 1
 exports[`t-model directive in a t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, toNumber, withKey } = helpers;
   
@@ -223,7 +213,6 @@ exports[`t-model directive in a t-foreach 1`] = `
 exports[`t-model directive in a t-foreach, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, toNumber, withKey } = helpers;
   
@@ -252,7 +241,6 @@ exports[`t-model directive in a t-foreach, part 2 1`] = `
 exports[`t-model directive in a t-foreach, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, toNumber, withKey } = helpers;
   
@@ -281,7 +269,6 @@ exports[`t-model directive in a t-foreach, part 3 1`] = `
 exports[`t-model directive on a select 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -301,7 +288,6 @@ exports[`t-model directive on a select 1`] = `
 exports[`t-model directive on a select, initial state 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -320,7 +306,6 @@ exports[`t-model directive on a select, initial state 1`] = `
 exports[`t-model directive on a sub state key 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -340,7 +325,6 @@ exports[`t-model directive on a sub state key 1`] = `
 exports[`t-model directive on an input type=radio 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -364,7 +348,6 @@ exports[`t-model directive on an input type=radio 1`] = `
 exports[`t-model directive on an input type=radio, with initial value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -387,7 +370,6 @@ exports[`t-model directive on an input type=radio, with initial value 1`] = `
 exports[`t-model directive on an input, type=checkbox 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -412,7 +394,6 @@ exports[`t-model directive on an input, type=checkbox 1`] = `
 exports[`t-model directive on an textarea 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -432,7 +413,6 @@ exports[`t-model directive on an textarea 1`] = `
 exports[`t-model directive t-model on an input with an undefined value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -451,7 +431,6 @@ exports[`t-model directive t-model on an input with an undefined value 1`] = `
 exports[`t-model directive t-model on select with static options 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -473,7 +452,6 @@ exports[`t-model directive t-model on select with static options 1`] = `
 exports[`t-model directive t-model with dynamic values on select options -- 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -498,7 +476,6 @@ exports[`t-model directive t-model with dynamic values on select options -- 2 1`
 exports[`t-model directive t-model with dynamic values on select options -- 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -522,7 +499,6 @@ exports[`t-model directive t-model with dynamic values on select options -- 3 1`
 exports[`t-model directive t-model with dynamic values on select options 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -547,7 +523,6 @@ exports[`t-model directive t-model with dynamic values on select options 1`] = `
 exports[`t-model directive t-model with dynamic values on select options in foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber, prepareList, withKey } = helpers;
   
@@ -578,7 +553,6 @@ exports[`t-model directive t-model with dynamic values on select options in fore
 exports[`t-model directive two inputs in a div alternating with a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -610,7 +584,6 @@ exports[`t-model directive two inputs in a div alternating with a t-if 1`] = `
 exports[`t-model directive with expression having a changing key 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   

tests/components/__snapshots__/t_on.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-on t-on expression captured in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
@@ -34,7 +33,6 @@ exports[`t-on t-on expression captured in t-foreach 1`] = `
 exports[`t-on t-on expression in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -64,7 +62,6 @@ exports[`t-on t-on expression in t-foreach 1`] = `
 exports[`t-on t-on expression in t-foreach with t-set 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
@@ -99,7 +96,6 @@ exports[`t-on t-on expression in t-foreach with t-set 1`] = `
 exports[`t-on t-on method call in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -128,7 +124,6 @@ exports[`t-on t-on method call in t-foreach 1`] = `
 exports[`t-on t-on on component next to t-on on div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { createCatcher } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -148,7 +143,6 @@ exports[`t-on t-on on component next to t-on on div 1`] = `
 exports[`t-on t-on on component next to t-on on div 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button><block-text-0/></button>\`);
@@ -163,7 +157,6 @@ exports[`t-on t-on on component next to t-on on div 2`] = `
 exports[`t-on t-on on components 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { createCatcher } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -179,7 +172,6 @@ exports[`t-on t-on on components 1`] = `
 exports[`t-on t-on on components 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button><block-text-0/></button>\`);
@@ -194,7 +186,6 @@ exports[`t-on t-on on components 2`] = `
 exports[`t-on t-on on components and t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, createCatcher, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -218,7 +209,6 @@ exports[`t-on t-on on components and t-foreach 1`] = `
 exports[`t-on t-on on components and t-foreach 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -233,7 +223,6 @@ exports[`t-on t-on on components and t-foreach 2`] = `
 exports[`t-on t-on on components, variation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { createCatcher } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -252,7 +241,6 @@ exports[`t-on t-on on components, variation 1`] = `
 exports[`t-on t-on on components, variation 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button><block-text-0/></button>\`);
@@ -267,7 +255,6 @@ exports[`t-on t-on on components, variation 2`] = `
 exports[`t-on t-on on components, with 'prevent' modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { createCatcher } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -283,7 +270,6 @@ exports[`t-on t-on on components, with 'prevent' modifier 1`] = `
 exports[`t-on t-on on components, with 'prevent' modifier 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button><block-text-0/></button>\`);
@@ -298,7 +284,6 @@ exports[`t-on t-on on components, with 'prevent' modifier 2`] = `
 exports[`t-on t-on on components, with a handler update 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, createCatcher } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -318,7 +303,6 @@ exports[`t-on t-on on components, with a handler update 1`] = `
 exports[`t-on t-on on components, with a handler update 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -333,7 +317,6 @@ exports[`t-on t-on on components, with a handler update 2`] = `
 exports[`t-on t-on on destroyed components 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -352,7 +335,6 @@ exports[`t-on t-on on destroyed components 1`] = `
 exports[`t-on t-on on destroyed components 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-handler-0=\\"click\\"/>\`);
@@ -367,7 +349,6 @@ exports[`t-on t-on on destroyed components 2`] = `
 exports[`t-on t-on on slot, with 'prevent' modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, true, false, true);
@@ -387,7 +368,6 @@ exports[`t-on t-on on slot, with 'prevent' modifier 1`] = `
 exports[`t-on t-on on slot, with 'prevent' modifier 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot, createCatcher } = helpers;
   const catcher1 = createCatcher({\\"click.prevent\\":0});
@@ -402,7 +382,6 @@ exports[`t-on t-on on slot, with 'prevent' modifier 2`] = `
 exports[`t-on t-on on t-set-slots 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { capture, createCatcher, markRaw } = helpers;
   const catcher1 = createCatcher({\\"click\\":0});
@@ -432,7 +411,6 @@ exports[`t-on t-on on t-set-slots 1`] = `
 exports[`t-on t-on on t-set-slots 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -445,7 +423,6 @@ exports[`t-on t-on on t-set-slots 2`] = `
 exports[`t-on t-on on t-slots 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, true, false, true);
@@ -465,7 +442,6 @@ exports[`t-on t-on on t-slots 1`] = `
 exports[`t-on t-on on t-slots 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot, createCatcher } = helpers;
   const catcher1 = createCatcher({\\"click\\":0});

tests/components/__snapshots__/t_props.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-props basic use 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, true, false);
   
@@ -19,7 +18,6 @@ exports[`t-props basic use 1`] = `
 exports[`t-props basic use 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -34,7 +32,6 @@ exports[`t-props basic use 2`] = `
 exports[`t-props child receives a copy of the t-props object, not the original 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, true, false);
   
@@ -47,7 +44,6 @@ exports[`t-props child receives a copy of the t-props object, not the original 1
 exports[`t-props child receives a copy of the t-props object, not the original 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -61,7 +57,6 @@ exports[`t-props child receives a copy of the t-props object, not the original 2
 exports[`t-props t-props and other props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Comp\`, true, false, true, false);
   
@@ -77,7 +72,6 @@ exports[`t-props t-props and other props 1`] = `
 exports[`t-props t-props and other props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
@@ -93,7 +87,6 @@ exports[`t-props t-props and other props 2`] = `
 exports[`t-props t-props only 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Comp\`, true, false, true, false);
   
@@ -109,7 +102,6 @@ exports[`t-props t-props only 1`] = `
 exports[`t-props t-props only 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -124,7 +116,6 @@ exports[`t-props t-props only 2`] = `
 exports[`t-props t-props with props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, true, false);
   
@@ -140,7 +131,6 @@ exports[`t-props t-props with props 1`] = `
 exports[`t-props t-props with props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);

tests/components/__snapshots__/t_set.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-set slot setted value (with t-set) not accessible with t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, capture, markRaw } = helpers;
   const comp1 = app.createComponent(\`Childcomp\`, true, true, false, true);
@@ -33,7 +32,6 @@ exports[`t-set slot setted value (with t-set) not accessible with t-esc 1`] = `
 exports[`t-set slot setted value (with t-set) not accessible with t-esc 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -53,7 +51,6 @@ exports[`t-set slot setted value (with t-set) not accessible with t-esc 2`] = `
 exports[`t-set slots with a t-set with a component in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { capture, isBoundary, withDefault, LazyValue, safeOutput, markRaw } = helpers;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
@@ -82,7 +79,6 @@ exports[`t-set slots with a t-set with a component in body 1`] = `
 exports[`t-set slots with a t-set with a component in body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -97,7 +93,6 @@ exports[`t-set slots with a t-set with a component in body 2`] = `
 exports[`t-set slots with a t-set with a component in body 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -109,7 +104,6 @@ exports[`t-set slots with a t-set with a component in body 3`] = `
 exports[`t-set slots with an t-set with a component in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { capture, isBoundary, withDefault, LazyValue, safeOutput, markRaw } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
@@ -142,7 +136,6 @@ exports[`t-set slots with an t-set with a component in body 1`] = `
 exports[`t-set slots with an t-set with a component in body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -157,7 +150,6 @@ exports[`t-set slots with an t-set with a component in body 2`] = `
 exports[`t-set slots with an t-set with a component in body 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -169,7 +161,6 @@ exports[`t-set slots with an t-set with a component in body 3`] = `
 exports[`t-set slots with an unused t-set with a component in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { capture, isBoundary, withDefault, LazyValue, markRaw } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
@@ -196,7 +187,6 @@ exports[`t-set slots with an unused t-set with a component in body 1`] = `
 exports[`t-set slots with an unused t-set with a component in body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -211,7 +201,6 @@ exports[`t-set slots with an unused t-set with a component in body 2`] = `
 exports[`t-set t-set can't alter component even if key in component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -231,7 +220,6 @@ exports[`t-set t-set can't alter component even if key in component 1`] = `
 exports[`t-set t-set can't alter component if key not in component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -251,11 +239,10 @@ exports[`t-set t-set can't alter component if key not in component 1`] = `
 exports[`t-set t-set in t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-child-0/><p><block-text-0/></p></div>\`);
+  let block1 = createBlock(\`<div><p><block-text-0/></p></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -277,7 +264,6 @@ exports[`t-set t-set in t-if 1`] = `
 exports[`t-set t-set not altered by child comp 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const comp1 = app.createComponent(\`Childcomp\`, true, false, false, true);
@@ -299,7 +285,6 @@ exports[`t-set t-set not altered by child comp 1`] = `
 exports[`t-set t-set not altered by child comp 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -319,11 +304,10 @@ exports[`t-set t-set not altered by child comp 2`] = `
 exports[`t-set t-set outside modified in t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-child-0/><p><block-text-0/></p></div>\`);
+  let block1 = createBlock(\`<div><p><block-text-0/></p></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -346,7 +330,6 @@ exports[`t-set t-set outside modified in t-if 1`] = `
 exports[`t-set t-set with a component in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue, safeOutput } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
@@ -370,7 +353,6 @@ exports[`t-set t-set with a component in body 1`] = `
 exports[`t-set t-set with a component in body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -382,7 +364,6 @@ exports[`t-set t-set with a component in body 2`] = `
 exports[`t-set t-set with something in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue, safeOutput } = helpers;
   

tests/components/basics.test.ts

@@ -1084,4 +1084,25 @@ describe("t-out in components", () => {
     await nextTick();
     expect(fixture.innerHTML).toBe("<div>1</div><div>2</div>");
   });
+
+  test("t-out and updating falsy values, ", async () => {
+    class Test extends Component {
+      static template = xml`<t t-out="state.a"/>`;
+      state: any = useState({ a: 0 });
+    }
+
+    const comp = await mount(Test, fixture);
+    expect(fixture.innerHTML).toBe("0");
+    comp.state.a = undefined;
+    await nextTick();
+    expect(fixture.innerHTML).toBe("");
+
+    comp.state.a = "hello";
+    await nextTick();
+    expect(fixture.innerHTML).toBe("hello");
+
+    comp.state.a = false;
+    await nextTick();
+    expect(fixture.innerHTML).toBe("false");
+  });
 });

tests/misc/__snapshots__/portal.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`Portal Add and remove portals 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, capture, withKey } = helpers;
   const Portal = app.Portal;
@@ -32,7 +31,6 @@ exports[`Portal Add and remove portals 1`] = `
 exports[`Portal Add and remove portals on div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, capture, withKey } = helpers;
   const Portal = app.Portal;
@@ -62,7 +60,6 @@ exports[`Portal Add and remove portals on div 1`] = `
 exports[`Portal Add and remove portals with t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, capture, withKey } = helpers;
   const Portal = app.Portal;
@@ -95,7 +92,6 @@ exports[`Portal Add and remove portals with t-foreach 1`] = `
 exports[`Portal Add and remove portals with t-foreach and destroy 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, capture, withKey } = helpers;
   const Portal = app.Portal;
@@ -128,7 +124,6 @@ exports[`Portal Add and remove portals with t-foreach and destroy 1`] = `
 exports[`Portal Add and remove portals with t-foreach inside div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, capture, withKey } = helpers;
   const Portal = app.Portal;
@@ -163,7 +158,6 @@ exports[`Portal Add and remove portals with t-foreach inside div 1`] = `
 exports[`Portal Portal composed with t-slot 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`Child2\`, true, false, false, false);
@@ -185,7 +179,6 @@ exports[`Portal Portal composed with t-slot 1`] = `
 exports[`Portal Portal composed with t-slot 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   const Portal = app.Portal;
@@ -204,7 +197,6 @@ exports[`Portal Portal composed with t-slot 2`] = `
 exports[`Portal Portal composed with t-slot 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-handler-0=\\"custom\\"><span id=\\"childSpan\\">child2</span></div>\`);
@@ -219,7 +211,6 @@ exports[`Portal Portal composed with t-slot 3`] = `
 exports[`Portal basic use of portal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -241,7 +232,6 @@ exports[`Portal basic use of portal 1`] = `
 exports[`Portal basic use of portal in dev mode 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -263,7 +253,6 @@ exports[`Portal basic use of portal in dev mode 1`] = `
 exports[`Portal basic use of portal on div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -285,7 +274,6 @@ exports[`Portal basic use of portal on div 1`] = `
 exports[`Portal basic use of portal, variation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -307,7 +295,6 @@ exports[`Portal basic use of portal, variation 1`] = `
 exports[`Portal conditional use of Portal (with sub Component) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -333,7 +320,6 @@ exports[`Portal conditional use of Portal (with sub Component) 1`] = `
 exports[`Portal conditional use of Portal (with sub Component) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
@@ -348,7 +334,6 @@ exports[`Portal conditional use of Portal (with sub Component) 2`] = `
 exports[`Portal conditional use of Portal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -374,7 +359,6 @@ exports[`Portal conditional use of Portal 1`] = `
 exports[`Portal conditional use of Portal with child and div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -391,7 +375,6 @@ exports[`Portal conditional use of Portal with child and div 1`] = `
 exports[`Portal conditional use of Portal with child and div 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, capture, withKey } = helpers;
   const Portal = app.Portal;
@@ -422,7 +405,6 @@ exports[`Portal conditional use of Portal with child and div 2`] = `
 exports[`Portal conditional use of Portal with child and div, variation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -442,7 +424,6 @@ exports[`Portal conditional use of Portal with child and div, variation 1`] = `
 exports[`Portal conditional use of Portal with child and div, variation 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, capture, withKey } = helpers;
   const Portal = app.Portal;
@@ -474,7 +455,6 @@ exports[`Portal conditional use of Portal with child and div, variation 2`] = `
 exports[`Portal conditional use of Portal with div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -500,7 +480,6 @@ exports[`Portal conditional use of Portal with div 1`] = `
 exports[`Portal lifecycle hooks of portal sub component are properly called 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -525,7 +504,6 @@ exports[`Portal lifecycle hooks of portal sub component are properly called 1`]
 exports[`Portal lifecycle hooks of portal sub component are properly called 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -540,7 +518,6 @@ exports[`Portal lifecycle hooks of portal sub component are properly called 2`]
 exports[`Portal portal could have dynamically no content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -567,7 +544,6 @@ exports[`Portal portal could have dynamically no content 1`] = `
 exports[`Portal portal destroys on crash 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -589,7 +565,6 @@ exports[`Portal portal destroys on crash 1`] = `
 exports[`Portal portal destroys on crash 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -604,7 +579,6 @@ exports[`Portal portal destroys on crash 2`] = `
 exports[`Portal portal with child and props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -626,7 +600,6 @@ exports[`Portal portal with child and props 1`] = `
 exports[`Portal portal with child and props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -641,7 +614,6 @@ exports[`Portal portal with child and props 2`] = `
 exports[`Portal portal with dynamic body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -671,7 +643,6 @@ exports[`Portal portal with dynamic body 1`] = `
 exports[`Portal portal with many children 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -696,7 +667,6 @@ exports[`Portal portal with many children 1`] = `
 exports[`Portal portal with no content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -721,7 +691,6 @@ exports[`Portal portal with no content 1`] = `
 exports[`Portal portal with only text as content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -742,7 +711,6 @@ exports[`Portal portal with only text as content 1`] = `
 exports[`Portal portal with target not in dom 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -764,7 +732,6 @@ exports[`Portal portal with target not in dom 1`] = `
 exports[`Portal portal's parent's env is not polluted 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
@@ -786,7 +753,6 @@ exports[`Portal portal's parent's env is not polluted 1`] = `
 exports[`Portal portal's parent's env is not polluted 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button>child</button>\`);
@@ -800,7 +766,6 @@ exports[`Portal portal's parent's env is not polluted 2`] = `
 exports[`Portal simple catchError with portal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Boom\`, true, false, false, true);
   
@@ -821,7 +786,6 @@ exports[`Portal simple catchError with portal 1`] = `
 exports[`Portal simple catchError with portal 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -844,7 +808,6 @@ exports[`Portal simple catchError with portal 2`] = `
 exports[`Portal with target in template (after portal) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -866,7 +829,6 @@ exports[`Portal with target in template (after portal) 1`] = `
 exports[`Portal with target in template (before portal) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -888,7 +850,6 @@ exports[`Portal with target in template (before portal) 1`] = `
 exports[`Portal: Props validation target must be a valid selector 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -910,7 +871,6 @@ exports[`Portal: Props validation target must be a valid selector 1`] = `
 exports[`Portal: Props validation target must be a valid selector 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(null, false, true, false, false);
@@ -932,7 +892,6 @@ exports[`Portal: Props validation target must be a valid selector 2 1`] = `
 exports[`Portal: UI/UX focus is kept across re-renders 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const Portal = app.Portal;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -954,7 +913,6 @@ exports[`Portal: UI/UX focus is kept across re-renders 1`] = `
 exports[`Portal: UI/UX focus is kept across re-renders 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<input id=\\"target-me\\" block-attribute-0=\\"placeholder\\"/>\`);