38 lines
1,013 B
JavaScript
38 lines
1,013 B
JavaScript
test("basic functionality", () => {
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let o = {
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var1: "foo",
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var2: 42,
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arr: [
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1,
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2,
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{
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nested: {
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hello: "world",
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},
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get x() {
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return 10;
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},
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},
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],
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obj: {
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subarr: [3],
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},
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};
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let string = JSON.stringify(o, (key, value) => {
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if (key === "hello") return undefined;
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if (value === 10) return 20;
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if (key === "subarr") return [3, 4, 5];
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return value;
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});
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expect(string).toBe(
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'{"var1":"foo","var2":42,"arr":[1,2,{"nested":{},"x":20}],"obj":{"subarr":[3,4,5]}}'
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);
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string = JSON.stringify(o, ["var1", "var1", "var2", "obj"]);
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expect(string).toBe('{"var1":"foo","var2":42,"obj":{}}');
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string = JSON.stringify(o, ["var1", "var1", "var2", "obj", "subarr"]);
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expect(string).toBe('{"var1":"foo","var2":42,"obj":{"subarr":[3]}}');
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});
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