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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | 7x 7x 7x 7x 5x 5x 5x 5x 5x 5x 5x 5x 5x | import { scope } from '../../constants' import { forceQueueWatchers } from '../../helpers' import { unwatch } from '../unwatch' /** * You can create event function with createEvent * ```typescript * import { State, createEvent } from 'watch-state' * * const count = new State(0) * const increase = createEvent(() => { * console.log(count.value++) * }) * * new Watch(increase) * ``` * */ export function createEvent<F extends Function> (fn: F): F { return function () { const result = unwatch(() => { scope.eventDeep++ const result = fn.apply(this, arguments) scope.eventDeep-- return result }) if (!scope.eventDeep) { forceQueueWatchers() } return result } as unknown as F } |