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refactor service worker to handle blobs properly

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This commit is contained in:
velzie 2024-10-12 10:58:15 -04:00
parent 23b2ba9928
commit 4dfa47a2bf
6 changed files with 99 additions and 112 deletions
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42
src/worker/index.ts
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@ -125,48 +125,6 @@ export class ScramjetServiceWorker extends EventTarget {
}
async fetch({ request, clientId }: FetchEvent) {
if (new URL(request.url).pathname.startsWith("/scramjet/worker")) {
const id = new URL(request.url).searchParams.get("id");
const type = new URL(request.url).searchParams.get("type");
const origin = new URL(
decodeURIComponent(new URL(request.url).searchParams.get("origin"))
);
let promise = this.dataworkerpromises[id];
if (!promise) {
let resolve: (v: string) => void;
promise = {
promise: new Promise<string>((res) => (resolve = res)),
resolve,
};
promise.resolve = resolve;
this.dataworkerpromises[id] = promise;
}
const data = await promise.promise;
delete this.dataworkerpromises[id];
const rewritten = rewriteWorkers(data, type, {
origin: new URL(origin),
base: new URL(origin),
});
const headers = {
"Content-Type": "application/javascript",
};
// this is broken on firefox
if (crossOriginIsolated) {
headers["Cross-Origin-Opener-Policy"] = "same-origin";
headers["Cross-Origin-Embedder-Policy"] = "require-corp";
}
return new Response(rewritten, {
headers,
});
}
const client = await self.clients.get(clientId);
return swfetch.call(this, request, client);