preact-context
Version:
React's new Context Api for preact
10 lines (9 loc) • 488 B
TypeScript
export declare type StateUpdater<T> = (val: T, bitmask: number) => void;
export declare type BitmaskFactory<T> = (a: T, b: T) => number;
export interface ContextValueEmitter<T> {
register: (updater: StateUpdater<T>) => void;
unregister: (updater: StateUpdater<T>) => void;
val: (value?: T) => T;
}
export declare function createEmitter<T>(initialValue: T, bitmaskFactory: BitmaskFactory<T>): ContextValueEmitter<T>;
export declare const noopEmitter: ContextValueEmitter<any>;