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use-merge-state

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A useState variant hook that merges updates.

19 lines (18 loc) 554 B
import { PlainObject, Spread } from "../types"; interface MergeArrays { <A, B>(a: A[], b: B[]): (A | B)[]; } interface MergePlainObjects { <A extends PlainObject, B extends PlainObject>(a: A, b: B): Spread<A, B>; } interface MergeMaps { <A, B, C, D>(a: Map<A, C>, b: Map<B, D>): Map<A | B, C | D>; } interface MergeSets { <A, B>(a: Set<A>, b: Set<B>): Set<A | B>; } interface Merge extends MergeArrays, MergePlainObjects, MergeMaps, MergeSets { <A, B>(a: A, b: B): B; } export declare const merge: Merge; export {};