vue-hooks-plus/lib/useRequest/utils/subscribeReVisible.js

Vue hooks library

"use strict";
const isDocumentVisible = require("./isDocumentVisible");
const utils = require("./utils");
const _interopDefaultLegacy = (e) => e && typeof e === "object" && "default" in e ? e : { default: e };
const isDocumentVisible__default = /* @__PURE__ */ _interopDefaultLegacy(isDocumentVisible);
const listeners = [];
function subscribe(listener) {
  listeners.push(listener);
  return function unsubscribe() {
    const index = listeners.indexOf(listener);
    listeners.splice(index, 1);
  };
}
if (utils.canUseDom()) {
  const revalidate = () => {
    if (!isDocumentVisible__default.default())
      return;
    for (let i = 0; i < listeners.length; i++) {
      const listener = listeners[i];
      listener();
    }
  };
  window.addEventListener("visibilitychange", revalidate, false);
}
module.exports = subscribe;