vue-hooks-plus/es/useRequest/utils/cacheSubscribe.js

Vue hooks library

const listeners = {};
const otherListeners = [];
const trigger = (key, data) => {
  if (listeners[key]) {
    listeners[key].forEach((item) => item(data));
    otherListeners.forEach((item) => item({
      type: key,
      data
    }));
  }
};
const subscribe = (key, listener) => {
  if (!listeners[key]) {
    listeners[key] = [];
  }
  listeners[key].push(listener);
  return function unsubscribe() {
    const index = listeners[key].indexOf(listener);
    listeners[key].splice(index, 1);
  };
};
const otherSubscribe = (listener) => {
  otherListeners.push(listener);
};
export {
  otherSubscribe,
  subscribe,
  trigger
};