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Handle uncaught WebWorker exceptions

This commit is contained in:
Pierre Ossman 2017-03-02 15:48:47 +01:00
parent 5d00fd9bf0
commit 36efb9783c
2 changed files with 32 additions and 0 deletions
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16
vendor/browser-es-module-loader/dist/browser-es-module-loader.js vendored
View File

@ -1308,6 +1308,7 @@ var WorkerPool = function (script, size) {
wrkr._count = 0;
wrkr._ind = i;
wrkr.onmessage = this._onmessage.bind(this, wrkr);
wrkr.onerror = this._onerror.bind(this);
this._workers[i] = wrkr;
}
@ -1333,6 +1334,21 @@ WorkerPool.prototype = {
this._checkJobs();
},
_onerror: function(err) {
try {
var evt = new Event('error');
} catch (_eventError) {
var evt = document.createEvent('Event');
evt.initEvent('error', true, true);
}
evt.message = err.message;
evt.filename = err.filename;
evt.lineno = err.lineno;
evt.colno = err.colno;
evt.error = err.error;
window.dispatchEvent(evt);
},
_checkJobs: function () {
if (this._jobs === 0 && this._stopTimeout === undefined) {
// wait for 2s of inactivity before stopping (that should be enough for local loading)

16
vendor/browser-es-module-loader/src/browser-es-module-loader.js vendored
View File

@ -148,6 +148,7 @@ var WorkerPool = function (script, size) {
wrkr._count = 0;
wrkr._ind = i;
wrkr.onmessage = this._onmessage.bind(this, wrkr);
wrkr.onerror = this._onerror.bind(this);
this._workers[i] = wrkr;
}
@ -173,6 +174,21 @@ WorkerPool.prototype = {
this._checkJobs();
},
_onerror: function(err) {
try {
var evt = new Event('error');
} catch (_eventError) {
var evt = document.createEvent('Event');
evt.initEvent('error', true, true);
}
evt.message = err.message;
evt.filename = err.filename;
evt.lineno = err.lineno;
evt.colno = err.colno;
evt.error = err.error;
window.dispatchEvent(evt);
},
_checkJobs: function () {
if (this._jobs === 0 && this._stopTimeout === undefined) {
// wait for 2s of inactivity before stopping (that should be enough for local loading)