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[IMP] runtime: add support for Map and other iterables in t-foreach

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closes: #1352
This commit is contained in:
Samuel Degueldre
2023-07-12 09:37:11 +02:00
committed by Géry Debongnie
parent 7538aeae0e
commit 836e12b1c5
4 changed files with 196 additions and 15 deletions
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tests/compiler/t_foreach.test.ts
+61 -1
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@@ -105,6 +105,64 @@ describe("t-foreach", () => {
expect(renderToString(template, context)).toBe(expected);
});
test("iterate, Map param", () => {
const template = `
<t t-foreach="value" t-as="item" t-key="item_index">
[<t t-esc="item_index"/>: <t t-esc="item"/> <t t-esc="item_value"/>]
</t>`;
const expected = ` [0: 1 a] [1: 2 b] [2: 3 c] `;
const context = {
value: new Map([
["a", 1],
["b", 2],
["c", 3],
]),
};
expect(renderToString(template, context)).toBe(expected);
});
test("iterate, Set param", () => {
const template = `
<t t-foreach="value" t-as="item" t-key="item_index">
[<t t-esc="item_index"/>: <t t-esc="item"/> <t t-esc="item_value"/>]
</t>`;
const expected = ` [0: 1 1] [1: 2 2] [2: 3 3] `;
const context = { value: new Set([1, 2, 3]) };
expect(renderToString(template, context)).toBe(expected);
});
test("iterate, iterable param", () => {
const template = `
<t t-foreach="map.values()" t-as="item" t-key="item_index">
[<t t-esc="item_index"/>: <t t-esc="item"/> <t t-esc="item_value"/>]
</t>`;
const expected = ` [0: 1 1] [1: 2 2] [2: 3 3] `;
const context = {
map: new Map([
["a", 1],
["b", 2],
["c", 3],
]),
};
expect(renderToString(template, context)).toBe(expected);
});
test("iterate, generator param", () => {
const template = `
<t t-foreach="gen()" t-as="item" t-key="item_index">
[<t t-esc="item_index"/>: <t t-esc="item"/> <t t-esc="item_value"/>]
</t>`;
const expected = ` [0: 1 1] [1: 2 2] [2: 3 3] `;
const context = {
*gen() {
yield 1;
yield 2;
yield 3;
},
};
expect(renderToString(template, context)).toBe(expected);
});
test("does not pollute the rendering context", () => {
const template = `
<div>
@@ -193,7 +251,9 @@ describe("t-foreach", () => {
test("throws error if invalid loop expression", () => {
const test = `<div><t t-foreach="abc" t-as="item" t-key="item"><span t-key="item_index"/></t></div>`;
expect(() => renderToString(test)).toThrow("Invalid loop expression");
expect(() => renderToString(test)).toThrow(
'Invalid loop expression: "undefined" is not iterable'
);
});
test("t-foreach with t-if inside", () => {