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LibJS: Implement ECMA-402 Array.prototype.toLocaleString
Turns out the only difference between our existing implementation and the ECMA-402 implementation is we weren't passing the locales and options list to each element.toLocaleString invocation. This also adds spec comments to the definition.
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2 changed files with 41 additions and 8 deletions
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@ -59,4 +59,12 @@ describe("normal behavior", () => {
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// [ "foo", <circular>, [ 1, 2, <circular> ], [ "bar" ] ]
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expect(a.toLocaleString()).toBe("foo,,1,2,,bar");
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});
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test("with options", () => {
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expect([12, 34].toLocaleString("en")).toBe("12");
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expect([12, 34].toLocaleString("ar")).toBe("\u0661\u0662,\u0663\u0664");
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expect([0.234].toLocaleString("en", { style: "percent" })).toBe("23%");
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expect([0.234].toLocaleString("ar", { style: "percent" })).toBe("\u0662\u0663\u066a\u061c");
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});
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});
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