Merge pull request #56 from khackskjs/bugfix/null-pointer-error

Fix not to read property of null
SpringRoll · Mar 9, 2022 · 6236f41 · 6236f41
2 parents 8394d8d + 77e2641
commit 6236f41
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/Bellhop.js b/src/Bellhop.js
@@ -140,6 +140,10 @@ export class Bellhop extends BellhopEventDispatcher {
 
     // Be polite and respond to the child that we're ready
     if (!this.isChild) {
+      // Timing issue: this.iframe.contentWindow is null when parent closes child iframe before done with rendering
+      if (!this.target) {
+        return;
+      }
       this.target.postMessage(message, this.origin);
     }