testing/web-platform/tests/service-workers/service-worker/resources/wait-forever-in-install-worker.js


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var waitUntilResolve;
self.addEventListener('install', function(event) {
    event.waitUntil(new Promise(function(resolve) {
        waitUntilResolve = resolve;
      }));
  });

self.addEventListener('message', function(event) {
    if (event.data === 'STOP_WAITING') {
      waitUntilResolve();
    }
  });