work-graph-simple/service-worker.js

41 lines
1.1 KiB
JavaScript

import * as FSAccess from "./store-directory-handle.js";
self.addEventListener('install', ()=> self.skipWaiting()); // Activate worker immediately);
self.addEventListener('activate', ()=> self.clients.claim()); // Become available to all pages);
self.addEventListener('fetch', (event) =>event.respondWith(Interceptor(event)));
async function Interceptor(event)
{
const url = new URL(event.request.url);
const pathname = url.pathname.substring(1);
const parts = pathname.split("/");
if(parts[0] == "data" || parts[0] == "room")
{
console.log("intercept:", pathname)
const handle = await FSAccess.getDirectoryHandle();
if(handle)
{
const file = await FSAccess.drilldown(handle, parts);
if(file)
{
const content = await file.text();
return new Response(content, {
headers: {
'Content-Type': 'application/javascript',
'Cache-Control': 'no-cache'
}
});
}
}
console.log("couldnt find:", pathname);
return new Response("404", {status:404});
}
else
{
return fetch(event.request);
}
}