gecko-dev/browser/extensions/screenshots/assertIsBlankDocument.js

19 строки
653 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/. */
/* globals browser */
/** For use inside an iframe onload function, throws an Error if iframe src is not blank.html
Should be applied *inside* catcher.watchFunction
*/
this.assertIsBlankDocument = function assertIsBlankDocument(doc) {
if (doc.documentURI !== browser.runtime.getURL("blank.html")) {
const exc = new Error("iframe URL does not match expected blank.html");
exc.foundURL = doc.documentURI;
throw exc;
}
};
null;