26 lines
675 B
TypeScript
26 lines
675 B
TypeScript
// Repro from #12235
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getResults1([]);
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getResults1({data: []});
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getResults2([]);
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getResults2({data: []});
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type Result = { value: string };
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type Results = Result[];
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function isResponseInData<T>(value: T | { data: T}): value is { data: T } {
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return value.hasOwnProperty('data');
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}
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function getResults1(value: Results | { data: Results }): Results {
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return isResponseInData(value) ? value.data : value;
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}
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function isPlainResponse<T>(value: T | { data: T}): value is T {
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return !value.hasOwnProperty('data');
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}
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function getResults2(value: Results | { data: Results }): Results {
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return isPlainResponse(value) ? value : value.data;
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} |