File: shared-worker-partitioned-cookies-helper.js

package info (click to toggle)
firefox 143.0.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,617,328 kB
  • sloc: cpp: 7,478,492; javascript: 6,417,157; ansic: 3,720,058; python: 1,396,372; xml: 627,523; asm: 438,677; java: 186,156; sh: 63,477; makefile: 19,171; objc: 13,059; perl: 12,983; yacc: 4,583; cs: 3,846; pascal: 3,405; lex: 1,720; ruby: 1,003; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 53; csh: 10
file content (28 lines) | stat: -rw-r--r-- 706 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
// Return a generator containing the worker's message.
//
// Usage:
//   const worker = new SharedWorker(...);
//   const nextMessage = worker_message_generator(worker);
//   const msg_1 = await nextMessage();
//   const msg_2 = await nextMessage();
//   const msg_3 = await nextMessage();
function worker_message_generator(shared_worker) {
  const buffer = [];
  let resolve = null;

  shared_worker.port.onmessage = message => {
    buffer.push(message.data);
    if (resolve) {
      resolve();
    }
  }
  shared_worker.port.start();

  return async function() {
    if (buffer.length != 0) {
      return buffer.shift();
    }
    await new Promise(r => resolve = r);
    return buffer.shift();
  }
}