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importScripts("/common/gc.js");
var c;
async function handler(e, reply) {
if (e.data.ping) {
c.postMessage(e.data.ping);
return;
}
if (e.data.blob) {
(() => {
c.postMessage({blob: new Blob(e.data.blob)});
})();
await garbageCollect();
}
c = new BroadcastChannel(e.data.channel);
let messages = [];
c.onmessage = e => {
if (e.data === 'ready') {
// Ignore any 'ready' messages from the other thread since there could
// be some race conditions between this BroadcastChannel instance
// being created / ready to receive messages and the message being sent.
return;
}
messages.push(e.data);
if (e.data == 'done')
reply(messages);
};
c.postMessage('from worker');
}
onmessage = e => handler(e, postMessage);
onconnect = e => {
let port = e.ports[0];
port.onmessage = e => handler(e, msg => port.postMessage(msg));
};
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