fix: DOMEventHandler does not crash in edge cases (#774)

vladitasev · web-flow · commit 2576883a61ae · 2019-09-12T13:43:08.000+03:00
diff --git a/packages/base/src/DOMEventHandler.js b/packages/base/src/DOMEventHandler.js
@@ -42,7 +42,7 @@ const dispatchEvent = function dispatchEvent(element, event) {
 const getParentDOMNode = function getParentDOMNode(node) {
 	const parentNode = node.parentNode;
 
-	if (parentNode && parentNode.host) {
+	if (parentNode && (parentNode instanceof window.ShadowRoot) && parentNode.host) {
 		return parentNode.host;
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -42,7 +42,7 @@ const dispatchEvent = function dispatchEvent(element, event) {`
`42`	`42`	`const getParentDOMNode = function getParentDOMNode(node) {`
`43`	`43`	`const parentNode = node.parentNode;`
`44`	`44`
`45`		`- if (parentNode && parentNode.host) {`
	`45`	`+ if (parentNode && (parentNode instanceof window.ShadowRoot) && parentNode.host) {`
`46`	`46`	`return parentNode.host;`
`47`	`47`	`}`
`48`	`48`