Type Alias: WatcherNotify

API / @xmachines/play-signals / WatcherNotify

type WatcherNotify = () => void;

Defined in: packages/play-signals/src/types.ts:141

The notification callback of a Signal.subtle.Watcher

The watcher calls it after a signal that it watches changes. Use the microtask batching pattern to group rapid updates. The README of signal-polyfill gives the best practice.

Returns

void

Example

import { Signal } from "@xmachines/play-signals";

const notify: WatcherNotify = () => {
  queueMicrotask(() => {
    const pending = watcher.getPending();
    // Process the signal changes that wait
  });
};
const watcher = new Signal.subtle.Watcher(notify);