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[FIX] qweb: properly display falsy values

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While it is not tested, nor documented, the reference QWeb
implementation display the `false` value as "false". So, we have to
adapt the Owl implementation to match that behaviour.

At the same time, this commit uses 'let' instead of 'var' in various places,
to make the compiled code more consistant.
This commit is contained in:
Géry Debongnie
2019-12-12 22:27:52 +01:00
committed by aab-odoo
parent 0931a4dc5b
commit 29a80d0b28
12 changed files with 924 additions and 857 deletions
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src/qweb/base_directives.ts
+7 -7
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@@ -39,11 +39,11 @@ function compileValueNode(value: any, node: Element, qweb: QWeb, ctx: Compilatio
let exprID: string;
if (typeof value === "string") {
exprID = `_${ctx.generateID()}`;
ctx.addLine(`var ${exprID} = ${ctx.formatExpression(value)};`);
ctx.addLine(`let ${exprID} = ${ctx.formatExpression(value)};`);
} else {
exprID = `scope.${value.id}`;
}
ctx.addIf(`${exprID} || ${exprID} === 0`);
ctx.addIf(`${exprID} != null`);
if (ctx.escaping) {
let protectID;
@@ -61,7 +61,7 @@ function compileValueNode(value: any, node: Element, qweb: QWeb, ctx: Compilatio
let nodeID = ctx.generateID();
ctx.rootContext.rootNode = nodeID;
ctx.rootContext.parentTextNode = nodeID;
ctx.addLine(`var vn${nodeID} = {text: ${exprID}};`);
ctx.addLine(`let vn${nodeID} = {text: ${exprID}};`);
if (ctx.rootContext.shouldDefineResult) {
ctx.addLine(`result = vn${nodeID}`);
}
@@ -140,7 +140,7 @@ QWeb.addDirective({
const _parentNode = ctx.parentNode;
ctx.parentNode = tempParentNodeID;
ctx.addLine(`const c${tempParentNodeID} = new utils.VDomArray();`);
ctx.addLine(`let c${tempParentNodeID} = new utils.VDomArray();`);
const nodeCopy = node.cloneNode(true) as Element;
for (let attr of ["t-set", "t-value", "t-if", "t-else", "t-elif"]) {
nodeCopy.removeAttribute(attr);
@@ -301,16 +301,16 @@ QWeb.addDirective({
const elems = node.getAttribute("t-foreach")!;
const name = node.getAttribute("t-as")!;
let arrayID = ctx.generateID();
ctx.addLine(`var _${arrayID} = ${ctx.formatExpression(elems)};`);
ctx.addLine(`let _${arrayID} = ${ctx.formatExpression(elems)};`);
ctx.addLine(`if (!_${arrayID}) { throw new Error('QWeb error: Invalid loop expression')}`);
let keysID = ctx.generateID();
let valuesID = ctx.generateID();
ctx.addLine(`var _${keysID} = _${valuesID} = _${arrayID};`);
ctx.addLine(`let _${keysID} = _${valuesID} = _${arrayID};`);
ctx.addIf(`!(_${arrayID} instanceof Array)`);
ctx.addLine(`_${keysID} = Object.keys(_${arrayID});`);
ctx.addLine(`_${valuesID} = Object.values(_${arrayID});`);
ctx.closeIf();
ctx.addLine(`var _length${keysID} = _${keysID}.length;`);
ctx.addLine(`let _length${keysID} = _${keysID}.length;`);
let varsID = ctx.startProtectScope();
const loopVar = `i${ctx.loopNumber}`;
ctx.addLine(`for (let ${loopVar} = 0; ${loopVar} < _length${keysID}; ${loopVar}++) {`);