forked from mirrors/gecko-dev
90fac8fa22
Differential Revision: https://phabricator.services.mozilla.com/D37217 --HG-- extra : moz-landing-system : lando
24 lines
871 B
JavaScript
24 lines
871 B
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/** For use with addEventListener, assures that any events have event.isTrusted set to true
|
|
https://developer.mozilla.org/en-US/docs/Web/API/Event/isTrusted
|
|
Should be applied *inside* catcher.watchFunction
|
|
*/
|
|
this.assertIsTrusted = function assertIsTrusted(handlerFunction) {
|
|
return function(event) {
|
|
if (!event) {
|
|
const exc = new Error("assertIsTrusted did not get an event");
|
|
exc.noPopup = true;
|
|
throw exc;
|
|
}
|
|
if (!event.isTrusted) {
|
|
const exc = new Error(`Received untrusted event (type: ${event.type})`);
|
|
exc.noPopup = true;
|
|
throw exc;
|
|
}
|
|
return handlerFunction.call(this, event);
|
|
};
|
|
};
|
|
null;
|