60 lines
1.7 KiB
JavaScript
60 lines
1.7 KiB
JavaScript
import * as FSAccess from "./store-directory-handle.js";
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self.addEventListener('install', ()=> self.skipWaiting()); // Activate worker immediately);
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self.addEventListener('activate', ()=> self.clients.claim()); // Become available to all pages);
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self.addEventListener('fetch', (event) =>event.respondWith(Interceptor(event)));
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let handle = false;
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async function Interceptor(event)
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{
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const url = new URL(event.request.url);
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const pathname = url.pathname.substring(1);
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const parts = pathname.split("/");
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if(parts[0] == "data" || parts[0] == "room")
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{
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console.log("intercept", pathname)
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const extension = pathname.substring(pathname.lastIndexOf('.') + 1);
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// Intercept only JavaScript files
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if ( extension == "js" || extension == "json" )
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{
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if(!handle)
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{
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handle = await FSAccess.getDirectoryHandle();
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}
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if(handle)
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{
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try
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{
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let filePointer = handle;
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for(let i=0; i<parts.length-1; i++)
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{
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filePointer = await filePointer.getDirectoryHandle(parts[i], {create: false});
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}
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filePointer = await filePointer.getFileHandle(parts[parts.length-1], {create: false});
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const file = await filePointer.getFile();
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const content = await file.text();
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return new Response(content, {
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headers: {
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'Content-Type': 'application/javascript',
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'Cache-Control': 'no-cache'
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}
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});
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}
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catch(e)
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{
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console.log("couldnt find it", pathname)
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return fetch(event.request);
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}
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}
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}
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}
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else
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{
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return fetch(event.request);
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}
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}
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