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| author | Eugene Sokolov <eug-vs@keemail.me> | 2020-08-24 22:08:37 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-08-24 22:08:37 +0300 |
| commit | 6a9970e0994b3b9230a5ead21f0a2dd96c81c40c (patch) | |
| tree | e30b5f131ac652a5783983aa576a7a27b24a8440 /public/service-worker.js | |
| parent | 89f038c7a0ccf6de94516cba8499a0bc69f8dae1 (diff) | |
| parent | 18f71aff2c4161792aa2857d0e1b18cf402e55f6 (diff) | |
| download | which-ui-6a9970e0994b3b9230a5ead21f0a2dd96c81c40c.tar.gz | |
Merge pull request #94 from which-ecosystem/pwa
Configure PWA
Diffstat (limited to 'public/service-worker.js')
| -rw-r--r-- | public/service-worker.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/public/service-worker.js b/public/service-worker.js new file mode 100644 index 0000000..ddab607 --- /dev/null +++ b/public/service-worker.js @@ -0,0 +1,53 @@ +const CACHE_NAME = 'v1.2.5'; // Per-version requests cache +const IMAGES_CACHE_NAME = 'images' // Long-term images cache + +const isS3Url = url => url.includes('amazonaws.com'); + +this.addEventListener('install', event => { + event.waitUntil( + caches.open(CACHE_NAME) + .then(cache => cache.addAll(['index.html'])) + .catch(e => console.log(e)) + ); +}) + +this.addEventListener('fetch', event => { + if (isS3Url(event.request.url)) { + event.respondWith( + caches.open(IMAGES_CACHE_NAME) + .then(cache => cache.match(event.request) + .then(match => match || fetch(event.request) + .then(response => { + cache.put(event.request, response.clone()); + return response; + }) + ) + .catch(e => console.log(`Error ${e}`)) + ) + ); + } else { + event.respondWith( + caches.open(CACHE_NAME) + .then(cache => fetch(event.request) + .then(response => { + cache.put(event.request, response.clone()); + return response; + }) + .catch(() => cache.match(event.request)) + ) + ); + } +}); + +this.addEventListener('activate', event => { + const cacheWhiteList = [CACHE_NAME]; + event.waitUntil( + caches.keys() + .then(keys => Promise.all( + keys.map(key => { + if (cacheWhiteList.indexOf(key) === -1) return caches.delete(key); + }) + )) + ); +}); + |