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valtio

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🧙 Valtio makes proxy-state simple for React and Vanilla

github.com/pmndrs/valtio

pmndrs/valtio

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/** * subscribeKey * * The subscribeKey utility enables subscription to a primitive subproperty of a given state proxy. * Subscriptions created with subscribeKey will only fire when the specified property changes. * notifyInSync: same as the parameter to subscribe(); true disables batching of subscriptions. * * @example * import { subscribeKey } from 'valtio/utils' * subscribeKey(state, 'count', (v) => console.log('state.count has changed to', v)) */ export declare function subscribeKey<T extends object, K extends keyof T>(proxyObject: T, key: K, callback: (value: T[K]) => void, notifyInSync?: boolean): () => void;