The Tor Browser: dom/workers/test/errorPropagation_worker.js@b8a032363ba2 (annotated)

dom/workers/test/errorPropagation_worker.js@b8a032363ba2 (annotated)

dom/workers/test/errorPropagation_worker.js

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /**
  * Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 var seenScopeError;
 onerror = function(message, filename, lineno) {
   if (!seenScopeError) {
     seenScopeError = true;
     postMessage({
       type: "scope",
       data: { message: message, filename: filename, lineno: lineno }
     });
     return true;
   }
 };
 onmessage = function(event) {
   var workerId = parseInt(event.data);
   if (workerId > 1) {
     var worker = new Worker("errorPropagation_worker.js");
     worker.onmessage = function(event) {
       postMessage(event.data);
     };
     var seenWorkerError;
     worker.onerror = function(event) {
       if (!seenWorkerError) {
         seenWorkerError = true;
         postMessage({
           type: "worker",
           data: {
             message: event.message,
             filename: event.filename,
             lineno: event.lineno
           }
         });
         event.preventDefault();
       }
     };
     worker.postMessage(workerId - 1);
     return;
   }
   var interval = setInterval(function() {
     throw new Error("expectedError");
   }, 100);
 };