キャッシュに保存された音声と動画の配信

<!-- In your page: -->  <!-- You need to set `crossorigin`, even for same-origin URLs! --> <video src="movie.mp4" crossorigin="anonymous"></video> <audio src="song.mp3" crossorigin="anonymous"></audio> 

// sw.js import {registerRoute} from 'workbox-routing'; import {CacheFirst} from 'workbox-strategies'; import {CacheableResponsePlugin} from 'workbox-cacheable-response'; import {RangeRequestsPlugin} from 'workbox-range-requests';  // In your service worker: // It's up to you to either precache, use warmRuntimeCache, or // explicitly call cache.add() to populate the cache with media assets. // If you choose to cache media assets up front, do so with care, // as they can be quite large and exceed storage quotas. // // This route will go to the network if there isn't a cache match, // but it won't populate the cache at runtime because the response for // the media asset will be a partial 206 response. If there is a cache // match, then it will properly serve partial responses. registerRoute(   ({request}) => {     const {destination} = request;      return destination === 'video' || destination === 'audio'   },   new CacheFirst({     cacheName: 'your-cache-name-here',     plugins: [       new CacheableResponsePlugin({         statuses: [200]       }),       new RangeRequestsPlugin(),     ],   }), );