18 lines
480 B
TypeScript
18 lines
480 B
TypeScript
import { StoreApi, UseBoundStore } from "zustand"
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type WithSelectors<S> = S extends { getState: () => infer T }
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? S & { use: { [K in keyof T]: () => T[K] } }
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: never
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export const createSelectors = <S extends UseBoundStore<StoreApi<object>>>(
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_store: S
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) => {
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let store = _store as WithSelectors<typeof _store>
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store.use = {}
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for (let k of Object.keys(store.getState())) {
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;(store.use as any)[k] = () => store((s) => s[k as keyof typeof s])
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}
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return store
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}
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