Fix "ReferenceError: self is not defined" (mapbox#4593)

NameFILIP · Jan 29, 2020 · 85e8515 · 85e8515
1 parent 77cfc5c
commit 85e8515
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/util/browser/window.js b/src/util/browser/window.js
@@ -2,4 +2,6 @@
 /* eslint-env browser */
 import type {Window} from '../../types/window';
 
-export default (self: Window);
+const win: ?Window = typeof self !== 'undefined' ? self : undefined;
+
+export default win;