wip

src/qweb/base_directives.ts

@@ -44,22 +44,17 @@ function compileValueNode(value: any, node: Element, qweb: QWeb, ctx: Compilatio
   } else {
     exprID = `scope.${value.id}`;
   }
+
+  if (ctx.parentTextNode) {
+    ctx.addIf(`${exprID} != null`);
+    ctx.addLine(`vn${ctx.parentTextNode}.text += ${exprID};`);
+    ctx.closeIf();
+  } else if (ctx.parentNode) {
+    ctx.rootContext.shouldDefineUtils = true;
+    ctx.addLine(`insertValue(c${ctx.parentNode}, ${exprID})`);
+  } else {
     ctx.addIf(`${exprID} != null`);
 
-  if (ctx.escaping) {
-    let protectID;
-    if (value.hasBody) {
-      ctx.rootContext.shouldDefineUtils = true;
-      protectID = ctx.startProtectScope();
-      ctx.addLine(
-        `${exprID} = ${exprID} instanceof utils.VDomArray ? utils.vDomToString(${exprID}) : ${exprID};`
-      );
-    }
-    if (ctx.parentTextNode) {
-      ctx.addLine(`vn${ctx.parentTextNode}.text += ${exprID};`);
-    } else if (ctx.parentNode) {
-      ctx.addLine(`c${ctx.parentNode}.push({text: ${exprID}});`);
-    } else {
     let nodeID = ctx.generateID();
     ctx.rootContext.rootNode = nodeID;
     ctx.rootContext.parentTextNode = nodeID;
@@ -67,27 +62,52 @@ function compileValueNode(value: any, node: Element, qweb: QWeb, ctx: Compilatio
     if (ctx.rootContext.shouldDefineResult) {
       ctx.addLine(`result = vn${nodeID}`);
     }
-    }
-    if (value.hasBody) {
-      ctx.stopProtectScope(protectID);
-    }
-  } else {
-    ctx.rootContext.shouldDefineUtils = true;
-    if (value.hasBody) {
-      ctx.addLine(
-        `const vnodeArray = ${exprID} instanceof utils.VDomArray ? ${exprID} : utils.htmlToVDOM(${exprID});`
-      );
-      ctx.addLine(`c${ctx.parentNode}.push(...vnodeArray);`);
-    } else {
-      ctx.addLine(`c${ctx.parentNode}.push(...utils.htmlToVDOM(${exprID}));`);
-    }
-  }
-  if (node.childNodes.length) {
-    ctx.addElse();
-    qweb._compileChildren(node, ctx);
-  }
-
     ctx.closeIf();
+  }
+  // ctx.addIf(`${exprID} != null`);
+
+  // if (ctx.escaping) {
+  //   let protectID;
+  //   if (value.hasBody) {
+  //     ctx.rootContext.shouldDefineUtils = true;
+  //     protectID = ctx.startProtectScope();
+  //     ctx.addLine(
+  //       `${exprID} = ${exprID} instanceof utils.VDomArray ? utils.vDomToString(${exprID}) : ${exprID};`
+  //     );
+  //   }
+  //   if (ctx.parentTextNode) {
+  //     ctx.addLine(`vn${ctx.parentTextNode}.text += ${exprID};`);
+  //   } else if (ctx.parentNode) {
+  //     ctx.addLine(`c${ctx.parentNode}.push({text: ${exprID}});`);
+  //   } else {
+  //     let nodeID = ctx.generateID();
+  //     ctx.rootContext.rootNode = nodeID;
+  //     ctx.rootContext.parentTextNode = nodeID;
+  //     ctx.addLine(`let vn${nodeID} = {text: ${exprID}};`);
+  //     if (ctx.rootContext.shouldDefineResult) {
+  //       ctx.addLine(`result = vn${nodeID}`);
+  //     }
+  //   }
+  //   if (value.hasBody) {
+  //     ctx.stopProtectScope(protectID);
+  //   }
+  // } else {
+  //   ctx.rootContext.shouldDefineUtils = true;
+  //   if (value.hasBody) {
+  //     ctx.addLine(
+  //       `const vnodeArray = ${exprID} instanceof utils.VDomArray ? ${exprID} : utils.htmlToVDOM(${exprID});`
+  //     );
+  //     ctx.addLine(`c${ctx.parentNode}.push(...vnodeArray);`);
+  //   } else {
+  //     ctx.addLine(`c${ctx.parentNode}.push(...utils.htmlToVDOM(${exprID}));`);
+  //   }
+  // }
+  // if (node.childNodes.length) {
+  //   ctx.addElse();
+  //   qweb._compileChildren(node, ctx);
+  // }
+
+  // ctx.closeIf();
 }
 
 QWeb.addDirective({

src/qweb/compilation_context.ts

@@ -84,6 +84,7 @@ export class CompilationContext {
       this.code.unshift("    let QWeb = this.constructor;");
     }
     if (this.shouldDefineUtils) {
+      this.code.unshift("    let insertValue = utils.insertValue;");
       this.code.unshift("    let utils = this.constructor.utils;");
     }
     return this.code;

src/qweb/qweb.ts

@@ -1,8 +1,9 @@
 import { EventBus } from "../core/event_bus";
 import { h, patch, VNode } from "../vdom/index";
 import { CompilationContext } from "./compilation_context";
-import { shallowEqual, escape } from "../utils";
+import { shallowEqual, escape, _Markup } from "../utils";
 import { addNS } from "../vdom/vdom";
+import { htmlToVDOM } from "../vdom/html_to_vdom";
 
 /**
  * Owl QWeb Engine
@@ -89,6 +90,16 @@ function isComponent(obj): boolean {
   return obj && obj.hasOwnProperty("__owl__");
 }
 
+function insertValue(children: any[], value: any) {
+  if (value != null) {
+    if (value instanceof _Markup) {
+      children.push(...htmlToVDOM(value as any));
+    } else {
+      children.push({ text: value });
+    }
+  }
+}
+
 class VDomArray extends Array {
   toString() {
     return vDomToString(this);
@@ -111,6 +122,7 @@ function vDomToString(vdom: VNode[]): string {
 
 const UTILS: Utils = {
   zero: Symbol("zero"),
+  insertValue,
   toClassObj(expr) {
     const result = {};
     if (typeof expr === "string") {
@@ -599,7 +611,10 @@ export class QWeb extends EventBus {
         if (!(dName in QWeb.DIRECTIVE_NAMES)) {
           throw new Error(`Unknown QWeb directive: '${attrName}'`);
         }
-        if (node.tagName !== "t" && (attrName === "t-esc" || attrName === "t-out" || attrName === "t-raw")) {
+        if (
+          node.tagName !== "t" &&
+          (attrName === "t-esc" || attrName === "t-out" || attrName === "t-raw")
+        ) {
           const tNode = document.implementation.createDocument(
             "http://www.w3.org/1999/xhtml",
             "t",

src/utils.ts

@@ -102,68 +102,63 @@ export function shallowEqual(p1, p2): boolean {
   return true;
 }
 
-const escapeMethod = Symbol('html')
-
 // notable issues:
 // * objects can't be negative in JS, so !!"" -> false but
 //   !!(new String) -> true, likewise markup
 // TODO (?)
 // * Markup.join / Markup#join => escapes items and returns a Markup
 // * Markup#replace => automatically escapes the replacements (difficult impl)
-class _Markup extends String {
-  [escapeMethod]() {
-      return this;
-  }
-}
+export class _Markup extends String {}
 
 /**
-* Returns a markup object, which acts like a String but is considered safe by
-* `_.escape`, and will therefore be injected as-is (without additional
-* escaping) in templates. Can be used to inject dynamic HTML in templates
-* (where the template itself can't), see first example.
-*
-* Can also be used as a *template tag*, in which case the literal content
-* won't be escaped but the substitutions which are not already markup objects
-* will be.
-*
-* ## WARNINGS:
-* * A markup object is a `String` (boxed) but not a `string` (primitive), they
-*   typecheck differently which can be relevant.
-* * To strip out the "markupness", just call `String(markup)`.
-* * Most string operations (e.g. concatenation, `String#replace`, ...) will
-*   also strip out markupness
-* * If the input is empty, returns a regular string (that way boolean tests
-*   work as expected).
-*
-* @returns a markup object
-*
-* @example regular function
-* let h;
-* if (someTest) {
-*     h = Markup(_t("This is a <strong>success</strong>"));
-* } else {
-*     h = Markup(_t("Things did <strong>not</strong> work out"));
-* }
-* qweb.render("some_template", { message: h });
-*
-* @example template tag
-* const escaped = "<some> text";
-* const asis = Markup`some <b>text</b>`;
-* const h = Markup`Regular strings get ${escaped} but markup is injected ${asis}`;
-*/
+ * Returns a markup object, which acts like a String but is considered safe by
+ * `_.escape`, and will therefore be injected as-is (without additional
+ * escaping) in templates. Can be used to inject dynamic HTML in templates
+ * (where the template itself can't), see first example.
+ *
+ * Can also be used as a *template tag*, in which case the literal content
+ * won't be escaped but the substitutions which are not already markup objects
+ * will be.
+ *
+ * ## WARNINGS:
+ * * A markup object is a `String` (boxed) but not a `string` (primitive), they
+ *   typecheck differently which can be relevant.
+ * * To strip out the "markupness", just call `String(markup)`.
+ * * Most string operations (e.g. concatenation, `String#replace`, ...) will
+ *   also strip out markupness
+ * * If the input is empty, returns a regular string (that way boolean tests
+ *   work as expected).
+ *
+ * @returns a markup object
+ *
+ * @example regular function
+ * let h;
+ * if (someTest) {
+ *     h = Markup(_t("This is a <strong>success</strong>"));
+ * } else {
+ *     h = Markup(_t("Things did <strong>not</strong> work out"));
+ * }
+ * qweb.render("some_template", { message: h });
+ *
+ * @example template tag
+ * const escaped = "<some> text";
+ * const asis = Markup`some <b>text</b>`;
+ * const h = Markup`Regular strings get ${escaped} but markup is injected ${asis}`;
+ */
 export function Markup(v, ...exprs) {
   if (!(v instanceof Array)) {
-      return v ? new _Markup(v) : '';
+    return v ? new _Markup(v) : "";
   }
   const elements = [];
   let i = 0;
-  for(; i < exprs.length; ++i) {
+  for (; i < exprs.length; ++i) {
     elements.push(v[i], escape(exprs[i]));
   }
   elements.push(v[i]);
 
-  const s = elements.join('');
-  if (!s) { return '' }
+  const s = elements.join("");
+  if (!s) {
+    return "";
+  }
   return new _Markup(s);
 }
-

tests/qweb/__snapshots__/qweb.test.ts.snap

@@ -3064,14 +3064,14 @@ exports[`t-out (formerly t-raw tests) not escaping 1`] = `
 "function anonymous(context, extra
 ) {
     // Template name: \\"test\\"
+    let utils = this.constructor.utils;
+    let insertValue = utils.insertValue;
     let scope = Object.create(context);
     let h = this.h;
     let c1 = [], p1 = {key:1};
     let vn1 = h('div', p1, c1);
     let _2 = scope['var'];
-    if (_2 != null) {
-        c1.push({text: _2});
-    }
+    insertValue(c1, _2)
     return vn1;
 }"
 `;
@@ -3181,14 +3181,14 @@ exports[`t-out escaping 1`] = `
 "function anonymous(context, extra
 ) {
     // Template name: \\"test\\"
+    let utils = this.constructor.utils;
+    let insertValue = utils.insertValue;
     let scope = Object.create(context);
     let h = this.h;
     let c1 = [], p1 = {key:1};
     let vn1 = h('span', p1, c1);
     let _2 = scope['var'];
-    if (_2 != null) {
-        c1.push({text: _2});
-    }
+    insertValue(c1, _2)
     return vn1;
 }"
 `;
@@ -3197,14 +3197,14 @@ exports[`t-out escaping on a node 1`] = `
 "function anonymous(context, extra
 ) {
     // Template name: \\"test\\"
+    let utils = this.constructor.utils;
+    let insertValue = utils.insertValue;
     let scope = Object.create(context);
     let h = this.h;
     let c1 = [], p1 = {key:1};
     let vn1 = h('span', p1, c1);
     let _2 = 'ok';
-    if (_2 != null) {
-        c1.push({text: _2});
-    }
+    insertValue(c1, _2)
     return vn1;
 }"
 `;
@@ -3213,16 +3213,14 @@ exports[`t-out escaping on a node with a body 1`] = `
 "function anonymous(context, extra
 ) {
     // Template name: \\"test\\"
+    let utils = this.constructor.utils;
+    let insertValue = utils.insertValue;
     let scope = Object.create(context);
     let h = this.h;
     let c1 = [], p1 = {key:1};
     let vn1 = h('span', p1, c1);
     let _2 = 'ok';
-    if (_2 != null) {
-        c1.push({text: _2});
-    } else {
-        c1.push({text: \`nope\`});
-    }
+    insertValue(c1, _2)
     return vn1;
 }"
 `;
@@ -3231,16 +3229,14 @@ exports[`t-out escaping on a node with a body, as a default 1`] = `
 "function anonymous(context, extra
 ) {
     // Template name: \\"test\\"
+    let utils = this.constructor.utils;
+    let insertValue = utils.insertValue;
     let scope = Object.create(context);
     let h = this.h;
     let c1 = [], p1 = {key:1};
     let vn1 = h('span', p1, c1);
     let _2 = scope['var'];
-    if (_2 != null) {
-        c1.push({text: _2});
-    } else {
-        c1.push({text: \`nope\`});
-    }
+    insertValue(c1, _2)
     return vn1;
 }"
 `;
@@ -3249,14 +3245,14 @@ exports[`t-out literal 1`] = `
 "function anonymous(context, extra
 ) {
     // Template name: \\"test\\"
+    let utils = this.constructor.utils;
+    let insertValue = utils.insertValue;
     let scope = Object.create(context);
     let h = this.h;
     let c1 = [], p1 = {key:1};
     let vn1 = h('span', p1, c1);
     let _2 = 'ok';
-    if (_2 != null) {
-        c1.push({text: _2});
-    }
+    insertValue(c1, _2)
     return vn1;
 }"
 `;
@@ -3357,14 +3353,14 @@ exports[`t-out variable 1`] = `
 "function anonymous(context, extra
 ) {
     // Template name: \\"test\\"
+    let utils = this.constructor.utils;
+    let insertValue = utils.insertValue;
     let scope = Object.create(context);
     let h = this.h;
     let c1 = [], p1 = {key:1};
     let vn1 = h('span', p1, c1);
     let _2 = scope['var'];
-    if (_2 != null) {
-        c1.push({text: _2});
-    }
+    insertValue(c1, _2)
     return vn1;
 }"
 `;

tests/qweb/qweb.test.ts

@@ -150,7 +150,7 @@ describe("error handling", () => {
   });
 });
 
-describe("t-out", () => {
+describe.only("t-out", () => {
   test("literal", () => {
     qweb.addTemplate("test", `<span><t t-out="'ok'"/></span>`);
     expect(renderToString(qweb, "test")).toBe("<span>ok</span>");
@@ -178,7 +178,7 @@ describe("t-out", () => {
     expect(renderToString(qweb, "test")).toBe("<span>ok</span>");
   });
 
-  test("escaping on a node with a body, as a default", () => {
+  test.only("escaping on a node with a body, as a default", () => {
     qweb.addTemplate("test", `<span t-out="var">nope</span>`);
     expect(renderToString(qweb, "test")).toBe("<span>nope</span>");
   });

tests/qweb/qweb_t_esc_t_raw.test.ts

@@ -32,7 +32,6 @@ describe("old t-esc directive", () => {
       "<span>&amp;lt;ok&amp;gt;abc&amp;lt;/ok&amp;gt;</span>"
     );
   });
-
 });
 
 describe("old t-raw directive", () => {
@@ -64,4 +63,4 @@ describe("old t-raw directive", () => {
       "<span><p>text<!-- top secret --></p></span>"
     );
   });
-  });
+});