diff options
Diffstat (limited to 'build.js')
| -rw-r--r-- | build.js | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -104,8 +104,15 @@ const PWA_HEAD = `<link rel="manifest" href="manifest.webmanifest"> <link rel="apple-touch-icon" href="icon-192.png"> `; +// Register with updateViaCache:'none' so the browser always re-fetches sw.js +// (never from HTTP cache) and detects a new build immediately. When the new SW +// takes control (it skipWaiting + clients.claim), reload once so the fresh +// inlined app runs — but only if a SW was already controlling this page, so a +// first-ever visit doesn't reload. const SW_REGISTER = - `<script>if('serviceWorker'in navigator)addEventListener('load',function(){navigator.serviceWorker.register('sw.js').catch(function(){})});</script>`; + `<script>if('serviceWorker'in navigator){var _had=!!navigator.serviceWorker.controller,_ref=false;` + + `navigator.serviceWorker.addEventListener('controllerchange',function(){if(_had&&!_ref){_ref=true;location.reload()}});` + + `addEventListener('load',function(){navigator.serviceWorker.register('sw.js',{updateViaCache:'none'}).catch(function(){})})}</script>`; // Bundle the standalone jsQR decoder (sets window.jsQR) for lazy loading. export async function buildJsQr({ minify = true } = {}) { |