From dcc7f33ee7ee0790ee34e2106a8d04254bc66c8c Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Fri, 1 Jun 2018 12:52:06 +0200
Subject: [PATCH] Prevent "ReferenceError: window is not defined" errors, from
`web/ui_utils.js`, when running the unit-tests in Node.js/Travis
---
web/ui_utils.js | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/web/ui_utils.js b/web/ui_utils.js
index 0c506f983..1728d8b8c 100644
--- a/web/ui_utils.js
+++ b/web/ui_utils.js
@@ -681,6 +681,13 @@ function waitOnEventOrTimeout({ target, name, delay = 0, }) {
* Promise that is resolved when DOM window becomes visible.
*/
let animationStarted = new Promise(function (resolve) {
+ if ((typeof PDFJSDev !== 'undefined' && PDFJSDev.test('LIB')) &&
+ typeof window === 'undefined') {
+ // Prevent "ReferenceError: window is not defined" errors when running the
+ // unit-tests in Node.js/Travis.
+ setTimeout(resolve, 20);
+ return;
+ }
window.requestAnimationFrame(resolve);
});