38 lines
1.2 KiB
TypeScript
38 lines
1.2 KiB
TypeScript
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// @strictNullChecks: true
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interface SomeProps {
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x?: string;
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y?: number;
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renderAs?: FunctionComponent1<SomeProps>
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}
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type SomePropsX = Required<Pick<SomeProps, "x">> & Omit<SomeProps, "x">;
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interface SomePropsClone {
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x?: string;
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y?: number;
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renderAs?: FunctionComponent2<SomeProps>
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}
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type SomePropsCloneX = Required<Pick<SomePropsClone, "x">> & Omit<SomePropsClone, "x">;
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type Validator<T> = {(): boolean, opt?: T};
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type WeakValidationMap<T> = {[K in keyof T]?: null extends T[K] ? Validator<T[K] | null | undefined> : Validator<T[K]>};
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interface FunctionComponent1<P> {
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(props: P & { children?: unknown }): void;
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propTypes?: WeakValidationMap<P>;
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}
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interface FunctionComponent2<P> {
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(props: P & { children?: unknown }): void;
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propTypes?: WeakValidationMap<P>;
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}
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function needsComponentOfSomeProps3(...x: SomePropsClone[]): void {}
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const comp3: FunctionComponent2<SomePropsCloneX> = null as any;
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needsComponentOfSomeProps3({ renderAs: comp3 });
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function needsComponentOfSomeProps2(...x: SomeProps[]): void {}
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const comp2: FunctionComponent1<SomePropsX> = null as any;
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needsComponentOfSomeProps2({ renderAs: comp2 });
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