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LibJS: Implement Intl.NumberFormat.prototype.formatToParts

This commit is contained in:
Timothy Flynn 2021-11-13 11:33:55 -05:00 committed by Linus Groh
parent 40973814e9
commit 3450def494
5 changed files with 975 additions and 0 deletions

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@ -0,0 +1,912 @@
describe("errors", () => {
test("called on non-NumberFormat object", () => {
expect(() => {
Intl.NumberFormat.prototype.formatToParts(1);
}).toThrowWithMessage(TypeError, "Not an object of type Intl.NumberFormat");
});
test("called with value that cannot be converted to a number", () => {
expect(() => {
Intl.NumberFormat().formatToParts(Symbol.hasInstance);
}).toThrowWithMessage(TypeError, "Cannot convert symbol to number");
});
// FIXME: Remove this and add BigInt tests when BigInt number formatting is supported.
test("bigint", () => {
expect(() => {
Intl.NumberFormat().formatToParts(1n);
}).toThrowWithMessage(
InternalError,
"BigInt number formatting is not implemented in LibJS"
);
});
});
describe("special values", () => {
test("NaN", () => {
const en = new Intl.NumberFormat("en");
expect(en.formatToParts()).toEqual([{ type: "nan", value: "NaN" }]);
expect(en.formatToParts(NaN)).toEqual([{ type: "nan", value: "NaN" }]);
expect(en.formatToParts(undefined)).toEqual([{ type: "nan", value: "NaN" }]);
const ar = new Intl.NumberFormat("ar");
expect(ar.formatToParts()).toEqual([{ type: "nan", value: "ليس رقم" }]);
expect(ar.formatToParts(NaN)).toEqual([{ type: "nan", value: "ليس رقم" }]);
expect(ar.formatToParts(undefined)).toEqual([{ type: "nan", value: "ليس رقم" }]);
});
test("Infinity", () => {
const en = new Intl.NumberFormat("en");
expect(en.formatToParts(Infinity)).toEqual([{ type: "infinity", value: "∞" }]);
expect(en.formatToParts(-Infinity)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "infinity", value: "∞" },
]);
const ar = new Intl.NumberFormat("ar");
expect(ar.formatToParts(Infinity)).toEqual([{ type: "infinity", value: "∞" }]);
expect(ar.formatToParts(-Infinity)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "infinity", value: "∞" },
]);
});
});
describe("style=decimal", () => {
test("default", () => {
const en = new Intl.NumberFormat("en");
expect(en.formatToParts(123)).toEqual([{ type: "integer", value: "123" }]);
expect(en.formatToParts(1.23)).toEqual([
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "23" },
]);
expect(en.formatToParts(12.3)).toEqual([
{ type: "integer", value: "12" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "3" },
]);
const ar = new Intl.NumberFormat("ar");
expect(ar.formatToParts(123)).toEqual([{ type: "integer", value: "\u0661\u0662\u0663" }]);
expect(ar.formatToParts(1.23)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0662\u0663" },
]);
expect(ar.formatToParts(12.3)).toEqual([
{ type: "integer", value: "\u0661\u0662" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0663" },
]);
});
test("signDisplay=never", () => {
const en = new Intl.NumberFormat("en", { signDisplay: "never" });
expect(en.formatToParts(1)).toEqual([{ type: "integer", value: "1" }]);
expect(en.formatToParts(-1)).toEqual([{ type: "integer", value: "1" }]);
const ar = new Intl.NumberFormat("ar", { signDisplay: "never" });
expect(ar.formatToParts(1)).toEqual([{ type: "integer", value: "\u0661" }]);
expect(ar.formatToParts(-1)).toEqual([{ type: "integer", value: "\u0661" }]);
});
test("signDisplay=auto", () => {
const en = new Intl.NumberFormat("en", { signDisplay: "auto" });
expect(en.formatToParts(0)).toEqual([{ type: "integer", value: "0" }]);
expect(en.formatToParts(1)).toEqual([{ type: "integer", value: "1" }]);
expect(en.formatToParts(-0)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "integer", value: "0" },
]);
expect(en.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "integer", value: "1" },
]);
const ar = new Intl.NumberFormat("ar", { signDisplay: "auto" });
expect(ar.formatToParts(0)).toEqual([{ type: "integer", value: "\u0660" }]);
expect(ar.formatToParts(1)).toEqual([{ type: "integer", value: "\u0661" }]);
expect(ar.formatToParts(-0)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0660" },
]);
expect(ar.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0661" },
]);
});
test("signDisplay=always", () => {
const en = new Intl.NumberFormat("en", { signDisplay: "always" });
expect(en.formatToParts(0)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "integer", value: "0" },
]);
expect(en.formatToParts(1)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "integer", value: "1" },
]);
expect(en.formatToParts(-0)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "integer", value: "0" },
]);
expect(en.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "integer", value: "1" },
]);
const ar = new Intl.NumberFormat("ar", { signDisplay: "always" });
expect(ar.formatToParts(0)).toEqual([
{ type: "plusSign", value: "\u061c+" },
{ type: "integer", value: "\u0660" },
]);
expect(ar.formatToParts(1)).toEqual([
{ type: "plusSign", value: "\u061c+" },
{ type: "integer", value: "\u0661" },
]);
expect(ar.formatToParts(-0)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0660" },
]);
expect(ar.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0661" },
]);
});
test("signDisplay=exceptZero", () => {
const en = new Intl.NumberFormat("en", { signDisplay: "exceptZero" });
expect(en.formatToParts(0)).toEqual([{ type: "integer", value: "0" }]);
expect(en.formatToParts(1)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "integer", value: "1" },
]);
expect(en.formatToParts(-0)).toEqual([{ type: "integer", value: "0" }]);
expect(en.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "integer", value: "1" },
]);
const ar = new Intl.NumberFormat("ar", { signDisplay: "exceptZero" });
expect(ar.formatToParts(0)).toEqual([{ type: "integer", value: "\u0660" }]);
expect(ar.formatToParts(1)).toEqual([
{ type: "plusSign", value: "\u061c+" },
{ type: "integer", value: "\u0661" },
]);
expect(ar.formatToParts(-0)).toEqual([{ type: "integer", value: "\u0660" }]);
expect(ar.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0661" },
]);
});
});
describe("style=percent", () => {
test("default", () => {
const en = new Intl.NumberFormat("en", { style: "percent", minimumFractionDigits: 2 });
expect(en.formatToParts(1)).toEqual([
{ type: "integer", value: "100" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(1.2345)).toEqual([
{ type: "integer", value: "123" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "45" },
{ type: "percentSign", value: "%" },
]);
const ar = new Intl.NumberFormat("ar", { style: "percent", minimumFractionDigits: 2 });
expect(ar.formatToParts(1)).toEqual([
{ type: "integer", value: "\u0661\u0660\u0660" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(1.2345)).toEqual([
{ type: "integer", value: "\u0661\u0662\u0663" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0664\u0665" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
});
test("signDisplay=never", () => {
const en = new Intl.NumberFormat("en", { style: "percent", signDisplay: "never" });
expect(en.formatToParts(0.01)).toEqual([
{ type: "integer", value: "1" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(-0.01)).toEqual([
{ type: "integer", value: "1" },
{ type: "percentSign", value: "%" },
]);
const ar = new Intl.NumberFormat("ar", { style: "percent", signDisplay: "never" });
expect(ar.formatToParts(0.01)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(-0.01)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
});
test("signDisplay=auto", () => {
const en = new Intl.NumberFormat("en", { style: "percent", signDisplay: "auto" });
expect(en.formatToParts(0.0)).toEqual([
{ type: "integer", value: "0" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(0.01)).toEqual([
{ type: "integer", value: "1" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(-0.0)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "integer", value: "0" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(-0.01)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "integer", value: "1" },
{ type: "percentSign", value: "%" },
]);
const ar = new Intl.NumberFormat("ar", { style: "percent", signDisplay: "auto" });
expect(ar.formatToParts(0.0)).toEqual([
{ type: "integer", value: "\u0660" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(0.01)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(-0.0)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0660" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(-0.01)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0661" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
});
test("signDisplay=always", () => {
const en = new Intl.NumberFormat("en", { style: "percent", signDisplay: "always" });
expect(en.formatToParts(0.0)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "integer", value: "0" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(0.01)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "integer", value: "1" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(-0.0)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "integer", value: "0" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(-0.01)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "integer", value: "1" },
{ type: "percentSign", value: "%" },
]);
const ar = new Intl.NumberFormat("ar", { style: "percent", signDisplay: "always" });
expect(ar.formatToParts(0.0)).toEqual([
{ type: "plusSign", value: "\u061c+" },
{ type: "integer", value: "\u0660" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(0.01)).toEqual([
{ type: "plusSign", value: "\u061c+" },
{ type: "integer", value: "\u0661" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(-0.0)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0660" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(-0.01)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0661" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
});
test("signDisplay=exceptZero", () => {
const en = new Intl.NumberFormat("en", { style: "percent", signDisplay: "exceptZero" });
expect(en.formatToParts(0.0)).toEqual([
{ type: "integer", value: "0" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(0.01)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "integer", value: "1" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(-0.0)).toEqual([
{ type: "integer", value: "0" },
{ type: "percentSign", value: "%" },
]);
expect(en.formatToParts(-0.01)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "integer", value: "1" },
{ type: "percentSign", value: "%" },
]);
const ar = new Intl.NumberFormat("ar", { style: "percent", signDisplay: "exceptZero" });
expect(ar.formatToParts(0.0)).toEqual([
{ type: "integer", value: "\u0660" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(0.01)).toEqual([
{ type: "plusSign", value: "\u061c+" },
{ type: "integer", value: "\u0661" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(-0.0)).toEqual([
{ type: "integer", value: "\u0660" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
expect(ar.formatToParts(-0.01)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0661" },
{ type: "percentSign", value: "\u066a\u061c" },
]);
});
});
describe("style=currency", () => {
test("currencyDisplay=code", () => {
const en = new Intl.NumberFormat("en", {
style: "currency",
currency: "USD",
currencyDisplay: "code",
});
expect(en.formatToParts(1)).toEqual([
{ type: "currency", value: "USD" },
{ type: "literal", value: "\u00a0" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(1.23)).toEqual([
{ type: "currency", value: "USD" },
{ type: "literal", value: "\u00a0" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "23" },
]);
const ar = new Intl.NumberFormat("ar", {
style: "currency",
currency: "USD",
currencyDisplay: "code",
});
expect(ar.formatToParts(1)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "USD" },
]);
expect(ar.formatToParts(1.23)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0662\u0663" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "USD" },
]);
});
test("currencyDisplay=symbol", () => {
const en = new Intl.NumberFormat("en", {
style: "currency",
currency: "USD",
currencyDisplay: "symbol",
});
expect(en.formatToParts(1)).toEqual([
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(1.23)).toEqual([
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "23" },
]);
const ar = new Intl.NumberFormat("ar", {
style: "currency",
currency: "USD",
currencyDisplay: "symbol",
});
expect(ar.formatToParts(1)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(1.23)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0662\u0663" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
});
test("currencyDisplay=narrowSymbol", () => {
const en = new Intl.NumberFormat("en", {
style: "currency",
currency: "USD",
currencyDisplay: "narrowSymbol",
});
expect(en.formatToParts(1)).toEqual([
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(1.23)).toEqual([
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "23" },
]);
const ar = new Intl.NumberFormat("ar", {
style: "currency",
currency: "USD",
currencyDisplay: "narrowSymbol",
});
expect(ar.formatToParts(1)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(1.23)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0662\u0663" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
});
test("currencyDisplay=name", () => {
const en = new Intl.NumberFormat("en", {
style: "currency",
currency: "USD",
currencyDisplay: "name",
});
expect(en.formatToParts(1)).toEqual([
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
{ type: "literal", value: " " },
{ type: "currency", value: "US dollars" },
]);
expect(en.formatToParts(1.23)).toEqual([
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "23" },
{ type: "literal", value: " " },
{ type: "currency", value: "US dollars" },
]);
const ar = new Intl.NumberFormat("ar", {
style: "currency",
currency: "USD",
currencyDisplay: "name",
});
expect(ar.formatToParts(1)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: " " },
{ type: "currency", value: "دولار أمريكي" },
]);
expect(ar.formatToParts(1.23)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0662\u0663" },
{ type: "literal", value: " " },
{ type: "currency", value: "دولار أمريكي" },
]);
});
test("signDisplay=never", () => {
const en = new Intl.NumberFormat("en", {
style: "currency",
currency: "USD",
signDisplay: "never",
});
expect(en.formatToParts(1)).toEqual([
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(-1)).toEqual([
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
const ar = new Intl.NumberFormat("ar", {
style: "currency",
currency: "USD",
signDisplay: "never",
});
expect(ar.formatToParts(1)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(-1)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
const zh = new Intl.NumberFormat("zh-Hant-u-nu-hanidec", {
style: "currency",
currency: "USD",
currencySign: "accounting",
signDisplay: "never",
});
expect(zh.formatToParts(1)).toEqual([
{ type: "currency", value: "US$" },
{ type: "integer", value: "一" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
]);
expect(zh.formatToParts(-1)).toEqual([
{ type: "currency", value: "US$" },
{ type: "integer", value: "一" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
]);
});
test("signDisplay=auto", () => {
const en = new Intl.NumberFormat("en", {
style: "currency",
currency: "USD",
signDisplay: "auto",
});
expect(en.formatToParts(0)).toEqual([
{ type: "currency", value: "$" },
{ type: "integer", value: "0" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(1)).toEqual([
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(-0)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "currency", value: "$" },
{ type: "integer", value: "0" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
const ar = new Intl.NumberFormat("ar", {
style: "currency",
currency: "USD",
signDisplay: "auto",
});
expect(ar.formatToParts(0)).toEqual([
{ type: "integer", value: "\u0660" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(1)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(-0)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0660" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
const zh = new Intl.NumberFormat("zh-Hant-u-nu-hanidec", {
style: "currency",
currency: "USD",
currencySign: "accounting",
signDisplay: "auto",
});
expect(zh.formatToParts(0)).toEqual([
{ type: "currency", value: "US$" },
{ type: "integer", value: "" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
]);
expect(zh.formatToParts(1)).toEqual([
{ type: "currency", value: "US$" },
{ type: "integer", value: "一" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
]);
expect(zh.formatToParts(-0)).toEqual([
{ type: "literal", value: "(" },
{ type: "currency", value: "US$" },
{ type: "integer", value: "" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
{ type: "literal", value: ")" },
]);
expect(zh.formatToParts(-1)).toEqual([
{ type: "literal", value: "(" },
{ type: "currency", value: "US$" },
{ type: "integer", value: "一" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
{ type: "literal", value: ")" },
]);
});
test("signDisplay=always", () => {
const en = new Intl.NumberFormat("en", {
style: "currency",
currency: "USD",
signDisplay: "always",
});
expect(en.formatToParts(0)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "currency", value: "$" },
{ type: "integer", value: "0" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(1)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(-0)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "currency", value: "$" },
{ type: "integer", value: "0" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
const ar = new Intl.NumberFormat("ar", {
style: "currency",
currency: "USD",
signDisplay: "always",
});
expect(ar.formatToParts(0)).toEqual([
{ type: "plusSign", value: "\u061c+" },
{ type: "integer", value: "\u0660" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(1)).toEqual([
{ type: "plusSign", value: "\u061c+" },
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(-0)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0660" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
const zh = new Intl.NumberFormat("zh-Hant-u-nu-hanidec", {
style: "currency",
currency: "USD",
currencySign: "accounting",
signDisplay: "always",
});
expect(zh.formatToParts(0)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "currency", value: "US$" },
{ type: "integer", value: "" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
]);
expect(zh.formatToParts(1)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "currency", value: "US$" },
{ type: "integer", value: "一" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
]);
expect(zh.formatToParts(-0)).toEqual([
{ type: "literal", value: "(" },
{ type: "currency", value: "US$" },
{ type: "integer", value: "" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
{ type: "literal", value: ")" },
]);
expect(zh.formatToParts(-1)).toEqual([
{ type: "literal", value: "(" },
{ type: "currency", value: "US$" },
{ type: "integer", value: "一" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
{ type: "literal", value: ")" },
]);
});
test("signDisplay=exceptZero", () => {
const en = new Intl.NumberFormat("en", {
style: "currency",
currency: "USD",
signDisplay: "exceptZero",
});
expect(en.formatToParts(0)).toEqual([
{ type: "currency", value: "$" },
{ type: "integer", value: "0" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(1)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(-0)).toEqual([
{ type: "currency", value: "$" },
{ type: "integer", value: "0" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
expect(en.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "-" },
{ type: "currency", value: "$" },
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "00" },
]);
const ar = new Intl.NumberFormat("ar", {
style: "currency",
currency: "USD",
signDisplay: "exceptZero",
});
expect(ar.formatToParts(0)).toEqual([
{ type: "integer", value: "\u0660" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(1)).toEqual([
{ type: "plusSign", value: "\u061c+" },
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(-0)).toEqual([
{ type: "integer", value: "\u0660" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
expect(ar.formatToParts(-1)).toEqual([
{ type: "minusSign", value: "\u061c-" },
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0660\u0660" },
{ type: "literal", value: "\u00a0" },
{ type: "currency", value: "US$" },
]);
const zh = new Intl.NumberFormat("zh-Hant-u-nu-hanidec", {
style: "currency",
currency: "USD",
currencySign: "accounting",
signDisplay: "exceptZero",
});
expect(zh.formatToParts(0)).toEqual([
{ type: "currency", value: "US$" },
{ type: "integer", value: "" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
]);
expect(zh.formatToParts(1)).toEqual([
{ type: "plusSign", value: "+" },
{ type: "currency", value: "US$" },
{ type: "integer", value: "一" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
]);
expect(zh.formatToParts(-0)).toEqual([
{ type: "currency", value: "US$" },
{ type: "integer", value: "" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
]);
expect(zh.formatToParts(-1)).toEqual([
{ type: "literal", value: "(" },
{ type: "currency", value: "US$" },
{ type: "integer", value: "一" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "" },
{ type: "literal", value: ")" },
]);
});
});