zustand
Version:
🐻 Bear necessities for state management in React
23 lines (20 loc) • 739 B
JavaScript
import React from 'react';
import { createStore } from 'zustand/vanilla';
const identity = (arg) => arg;
function useStore(api, selector = identity) {
const slice = React.useSyncExternalStore(
api.subscribe,
React.useCallback(() => selector(api.getState()), [api, selector]),
React.useCallback(() => selector(api.getInitialState()), [api, selector])
);
React.useDebugValue(slice);
return slice;
}
const createImpl = (createState) => {
const api = createStore(createState);
const useBoundStore = (selector) => useStore(api, selector);
Object.assign(useBoundStore, api);
return useBoundStore;
};
const create = ((createState) => createState ? createImpl(createState) : createImpl);
export { create, useStore };