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Merge pull request #5051 from betagouv/report-filereader-errors-to-sentry

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javascript: report upload FileReader errors to Sentry
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Pierre de La Morinerie 2020-04-22 11:45:12 +02:00 committed by GitHub
commit 76ce622ebf
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32
app/javascript/new_design/dossiers/auto-uploads-controllers.js
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@ -1,7 +1,13 @@
import Rails from '@rails/ujs';
import AutoUploadController from './auto-upload-controller.js';
import { fire } from '@utils';
import { FAILURE_CONNECTIVITY } from '../../shared/activestorage/file-upload-error';
//
// DEBUG
//
const originalImpl = FileReader.prototype.addEventListener;
// Manage multiple concurrent uploads.
//
// When the first upload starts, all the form "Submit" buttons are disabled.
@ -36,6 +42,25 @@ export default class AutoUploadsControllers {
.querySelectorAll('button[type=submit]')
.forEach(submitButton => Rails.disableElement(submitButton));
}
//
// DEBUG: hook into FileReader onload event
//
if (FileReader.prototype.addEventListener === originalImpl) {
FileReader.prototype.addEventListener = function() {
// When DirectUploads attempts to add an event listener for "error",
// also insert a custom event listener of our that will report errors to Sentry.
if (arguments[0] == 'error') {
let handler = event => {
let message = `FileReader ${event.target.error.name}: ${event.target.error.message}`;
fire(document, 'sentry:capture-exception', new Error(message));
};
originalImpl.apply(this, ['error', handler]);
}
// Add the originally requested event listener
return originalImpl.apply(this, arguments);
};
}
}
_decrementInFlightUploads(form) {
@ -48,5 +73,12 @@ export default class AutoUploadsControllers {
.querySelectorAll('button[type=submit]')
.forEach(submitButton => Rails.enableElement(submitButton));
}
//
// DEBUG: remove the FileReader hook we set before.
//
if (this.inFlightUploadsCount == 0) {
FileReader.prototype.addEventListener = originalImpl;
}
}
}