testing/web-platform/tests/service-workers/service-worker/resources/oninstall-throw-error-from-nested-event-worker.js


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var max_nesting_level = 8;

self.addEventListener('message', function(event) {
    var level = event.data;
    if (level < max_nesting_level)
      dispatchEvent(new MessageEvent('message', { data: level + 1 }));
    throw Error('error at level ' + level);
  });

self.addEventListener('install', function(event) {
    dispatchEvent(new MessageEvent('message', { data: 1 }));
  });