ea33d6e501
We can leverage the new index type queries and indexed access types from #11929 to get better type inference for Object.entries.
13 lines
406 B
TypeScript
13 lines
406 B
TypeScript
// @target: es5
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// @lib: es5,es2017.object
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var o = { a: 1, b: 2 };
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for (var x of Object.values(o)) {
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let y = x;
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}
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var entries = Object.entries(o); // <-- entries: ['a' | 'b', number][]
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var entries1 = Object.entries(1); // <-- entries: [string, any][]
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var entries2 = Object.entries({a: true, b: 2}) // ['a' | 'b', number | boolean][]
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var entries3 = Object.entries({}) // [never, any][]
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