fix: issue #676 where IE11 crash (#680)

ichuyko · web-flow · commit 1c36b6ee4469 · 2020-05-27T18:30:12.000+02:00
* Fix issue #676 * fix: simplify fix of issue #679
diff --git a/src/index.ts b/src/index.ts
@@ -68,7 +68,12 @@ function getFrameElement(el: Element) {
   if (!el.ownerDocument || !el.ownerDocument.defaultView) {
     return null
   }
-  return el.ownerDocument.defaultView.frameElement
+
+  try {
+    return el.ownerDocument.defaultView.frameElement
+  } catch (e) {
+    return null
+  }
 }
 
 function isHiddenByFrame(el: Element): boolean {

Original file line number	Diff line number	Diff line change
`@@ -68,7 +68,12 @@ function getFrameElement(el: Element) {`
`68`	`68`	`if (!el.ownerDocument \|\| !el.ownerDocument.defaultView) {`
`69`	`69`	`return null`
`70`	`70`	`}`
`71`		`- return el.ownerDocument.defaultView.frameElement`
	`71`	`+`
	`72`	`+ try {`
	`73`	`+ return el.ownerDocument.defaultView.frameElement`
	`74`	`+ } catch (e) {`
	`75`	`+ return null`
	`76`	`+ }`
`72`	`77`	`}`
`73`	`78`
`74`	`79`	`function isHiddenByFrame(el: Element): boolean {`