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LibJS: Add the Object.getOwnPropertySymbols method
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5 changed files with 44 additions and 15 deletions
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test("use with array", () => {
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let names = Object.getOwnPropertySymbols([1, 2, 3]);
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console.log(names);
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expect(names).toEqual([]);
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});
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test("use with object", () => {
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let names = Object.getOwnPropertySymbols({ [Symbol.iterator]: 1, [Symbol.species]: 2 });
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expect(names).toEqual([Symbol.iterator, Symbol.species]);
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});
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test("use with object with string keys", () => {
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let symbol = Symbol("bar");
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let names = Object.getOwnPropertySymbols({ foo: 1, [symbol]: 2, baz: 3 });
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expect(names).toEqual([symbol]);
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});
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