work-graph-simple/service-worker.js
2025-10-31 22:55:47 -04:00

76 lines
2.0 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)));
/** @type {(event:{request:Request})=>Promise<Response>} */
async function Interceptor(event)
{
const url = new URL(event.request.url);
const pathname = url.pathname.substring(1);
let parts = pathname.split("/");
if(parts[0] == "fsx")
{
parts = parts.slice(1);
console.log("intercept:", pathname);
if(parts[0] == "room")
{
parts[parts.length-1] = parts[parts.length-1]+".json";
}
const handle = await FSAccess.getDirectoryHandle();
if(handle)
{
if(event.request.method == "PUT")
{
const body = await event.request.text();
console.log("PUT intercept", parts, body);
const fileHandle = await FSAccess.drilldown(handle, parts, true);
if(fileHandle)
{
const writeable = await fileHandle.createWritable();
await writeable.write(body);
await writeable.close();
return new Response("OK", {
headers: {
'Content-Type': 'application/javascript',
'Cache-Control': 'no-cache'
}
});
}
else
{
return new Response("404", {status:404});
}
}
const fileHandle = await FSAccess.drilldown(handle, parts);
if(fileHandle)
{
const file = await fileHandle.getFile();
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);
}
}