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LibJS: Implement ECMA-402 BigInt.prototype.toLocaleString
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2 changed files with 95 additions and 1 deletions
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@ -8,3 +8,82 @@ test("calling with non-BigInt |this|", () => {
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BigInt.prototype.toLocaleString.call("foo");
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}).toThrowWithMessage(TypeError, "Not an object of type BigInt");
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});
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test("default", () => {
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expect(1n.toLocaleString("en")).toBe("1");
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expect(12n.toLocaleString("en")).toBe("12");
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expect(123n.toLocaleString("en")).toBe("123");
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expect(123456789123456789123456789123456789n.toLocaleString("en")).toBe(
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"123,456,789,123,456,789,123,456,789,123,456,789"
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);
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const ar = new Intl.NumberFormat("ar");
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expect(1n.toLocaleString("ar")).toBe("\u0661");
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expect(12n.toLocaleString("ar")).toBe("\u0661\u0662");
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expect(123n.toLocaleString("ar")).toBe("\u0661\u0662\u0663");
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expect(123456789123456789123456789123456789n.toLocaleString("ar")).toBe(
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"\u0661\u0662\u0663\u066c\u0664\u0665\u0666\u066c\u0667\u0668\u0669\u066c\u0661\u0662\u0663\u066c\u0664\u0665\u0666\u066c\u0667\u0668\u0669\u066c\u0661\u0662\u0663\u066c\u0664\u0665\u0666\u066c\u0667\u0668\u0669\u066c\u0661\u0662\u0663\u066c\u0664\u0665\u0666\u066c\u0667\u0668\u0669"
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);
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});
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test("integer digits", () => {
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expect(1n.toLocaleString("en", { minimumIntegerDigits: 2 })).toBe("01");
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expect(12n.toLocaleString("en", { minimumIntegerDigits: 2 })).toBe("12");
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expect(123n.toLocaleString("en", { minimumIntegerDigits: 2 })).toBe("123");
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expect(1n.toLocaleString("ar", { minimumIntegerDigits: 2 })).toBe("\u0660\u0661");
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expect(12n.toLocaleString("ar", { minimumIntegerDigits: 2 })).toBe("\u0661\u0662");
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expect(123n.toLocaleString("ar", { minimumIntegerDigits: 2 })).toBe("\u0661\u0662\u0663");
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});
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test("significant digits", () => {
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expect(
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1n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("1.000");
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expect(
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12n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("12.00");
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expect(
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123n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("123.0");
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expect(
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1234n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("1,234");
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expect(
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12345n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("12,345");
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expect(
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123456n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("123,456");
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expect(
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1234567n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("1,234,570");
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expect(
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1234561n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("1,234,560");
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expect(
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1n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("\u0661\u066b\u0660\u0660\u0660");
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expect(
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12n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("\u0661\u0662\u066b\u0660\u0660");
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expect(
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123n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("\u0661\u0662\u0663\u066b\u0660");
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expect(
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1234n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("\u0661\u066c\u0662\u0663\u0664");
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expect(
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12345n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("\u0661\u0662\u066c\u0663\u0664\u0665");
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expect(
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123456n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("\u0661\u0662\u0663\u066c\u0664\u0665\u0666");
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expect(
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1234567n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("\u0661\u066c\u0662\u0663\u0664\u066c\u0665\u0667\u0660");
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expect(
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1234561n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
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).toBe("\u0661\u066c\u0662\u0663\u0664\u066c\u0665\u0666\u0660");
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});
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