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@tanstack/db

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A reactive client store for building super fast apps on sync

6 lines (5 loc) 234 B
/** Lazily initialize a map entry; undefined denotes an absent value. */ export declare function getOrCreate<K, V>(entries: { get: (key: K) => V | undefined; set: (key: K, value: V) => unknown; }, key: K, create: () => V): V;