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15 lines
662 B
TypeScript
15 lines
662 B
TypeScript
import {expectNotAssignable, expectType} from 'tsd';
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import type {SetFieldType} from '../index';
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declare const variation1: SetFieldType<{a: number}, 'a', string>;
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expectType<{a: string}>(variation1);
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declare const variation2: SetFieldType<{a: number; b: boolean; c: Date}, 'a' | 'b', string>;
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expectType<{a: string; b: string; c: Date}>(variation2);
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declare const variation3: SetFieldType<{a: string; b: boolean; c: Date}, 'b' | 'c', number>;
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expectType<{a: string; b: number; c: number}>(variation3);
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declare const variation4: SetFieldType<{a: string; b: string; c: string}, 'b', number>;
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expectNotAssignable<{a: string; b: string; c: string}>(variation4);
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