cione-comp-lib/es/packages/co-novnc-std/composables/fullscreen.mjs

`$ yarn add cione-comp-lib` 或者 `$ npm i cione-comp-lib -S`

import { onBeforeMount, onBeforeUnmount } from "vue";
import { fullscreen } from "../utils/dom.mjs";
/*
 * vuensee
 * @author Anders Evenrud <andersevenrud@gmail.com>
 * @link https://github.com/andersevenrud/vuensee
 * @license MIT
 */
const useFullscreen = (onchange) => {
  const exitFullscreen = () => fullscreen.exit();
  const requestFullscreen = () => fullscreen.request();
  const onFullscreenChange = () => onchange(!!fullscreen.element());
  onBeforeMount(() => window.addEventListener("fullscreenchange", onFullscreenChange));
  onBeforeUnmount(() => window.removeEventListener("fullscreenchange", onFullscreenChange));
  return {
    exitFullscreen,
    requestFullscreen
  };
};
export { useFullscreen };