Bug 1778692 - [Annotation] A push button can have no action. r=calixt…

…e, a=dmeehan Backport of upstream commit: mozilla/pdf.js#15153 Differential Revision: https://phabricator.services.mozilla.com/D151923
mozilla · Jul 15, 2022 · 6112943 · 6112943
1 parent 543a6bd
commit 6112943
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/toolkit/components/pdfjs/content/build/pdf.js b/toolkit/components/pdfjs/content/build/pdf.js
@@ -12638,8 +12638,8 @@ class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
       container.title = this.data.alternativeText;
     }
 
-    if (this.enableScripting && this.hasJSActions) {
-      const linkElement = container.lastChild;
+    const linkElement = container.lastChild;
+    if (this.enableScripting && this.hasJSActions && linkElement) {
 
       this._setDefaultPropertiesFromJS(linkElement);