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LibJS: Implement Intl.Collator.prototype.resolvedOptions
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3 changed files with 146 additions and 0 deletions
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describe("correct behavior", () => {
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test("length is 0", () => {
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expect(Intl.Collator.prototype.resolvedOptions).toHaveLength(0);
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});
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test("locale only contains relevant extension keys", () => {
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const en1 = new Intl.Collator("en-u-ca-islamicc");
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expect(en1.resolvedOptions().locale).toBe("en");
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const en2 = new Intl.Collator("en-u-kf-upper");
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expect(en2.resolvedOptions().locale).toBe("en-u-kf-upper");
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const en3 = new Intl.Collator("en-u-ca-islamicc-kf-upper");
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expect(en3.resolvedOptions().locale).toBe("en-u-kf-upper");
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});
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test("usage", () => {
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const en1 = new Intl.Collator("en");
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expect(en1.resolvedOptions().usage).toBe("sort");
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["sort", "search"].forEach(usage => {
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const en2 = new Intl.Collator("en", { usage: usage });
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expect(en2.resolvedOptions().usage).toBe(usage);
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});
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});
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test("sensitivity", () => {
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const en1 = new Intl.Collator("en");
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expect(en1.resolvedOptions().sensitivity).toBe("variant");
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["base", "accent", "case", "variant"].forEach(sensitivity => {
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const en2 = new Intl.Collator("en", { sensitivity: sensitivity });
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expect(en2.resolvedOptions().sensitivity).toBe(sensitivity);
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});
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});
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test("ignorePunctuation", () => {
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const en1 = new Intl.Collator("en");
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expect(en1.resolvedOptions().ignorePunctuation).toBeFalse();
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[true, false].forEach(ignorePunctuation => {
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const en2 = new Intl.Collator("en", { ignorePunctuation: ignorePunctuation });
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expect(en2.resolvedOptions().ignorePunctuation).toBe(ignorePunctuation);
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});
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});
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test("collation", () => {
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// Only "default" collation is parsed for now.
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const en = new Intl.Collator("en");
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expect(en.resolvedOptions().collation).toBe("default");
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const el = new Intl.Collator("el", { collation: "foo" });
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expect(el.resolvedOptions().collation).toBe("default");
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});
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test("numeric may be set by locale extension", () => {
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const en = new Intl.Collator("en-u-kn");
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expect(en.resolvedOptions().numeric).toBeTrue();
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const el = new Intl.Collator("el-u-kn-false");
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expect(el.resolvedOptions().numeric).toBeFalse();
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});
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test("numeric option overrides locale extension", () => {
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const el = new Intl.Collator("el-u-kn", { numeric: false });
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expect(el.resolvedOptions().numeric).toBeFalse();
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});
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test("numeric option limited to known 'kn' values", () => {
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["true", "foo"].forEach(numeric => {
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const en = new Intl.Collator(`en-u-kn-${numeric}`);
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expect(en.resolvedOptions().numeric).toBeTrue();
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});
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["true", "foo"].forEach(numeric => {
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const el = new Intl.Collator(`el-u-kn-${numeric}`);
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expect(el.resolvedOptions().numeric).toBeTrue();
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});
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});
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test("caseFirst may be set by locale extension", () => {
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const en = Intl.Collator("en-u-kf-upper");
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expect(en.resolvedOptions().caseFirst).toBe("upper");
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const el = Intl.Collator("el-u-kf-lower");
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expect(el.resolvedOptions().caseFirst).toBe("lower");
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const ar = Intl.Collator("ar-u-kf-false");
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expect(ar.resolvedOptions().caseFirst).toBe("false");
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});
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test("caseFirst option overrides locale extension", () => {
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const el = Intl.Collator("el-u-kf-upper", { caseFirst: "lower" });
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expect(el.resolvedOptions().caseFirst).toBe("lower");
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});
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test("caseFirst option limited to known 'kf' values", () => {
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["upper", "foo"].forEach(caseFirst => {
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const en = Intl.Collator(`en-u-kf-${caseFirst}`);
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expect(en.resolvedOptions().caseFirst).toBe("upper");
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});
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["upper", "foo"].forEach(caseFirst => {
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const el = Intl.Collator(`el-u-kf-${caseFirst}`);
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expect(el.resolvedOptions().caseFirst).toBe("upper");
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});
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});
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});
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