fix: hover event target IE fallback

dbluhm · dbluhm · commit 9ee5002b46ae · 2020-11-14T19:03:41.000-05:00
diff --git a/src/components/fx/hover.js b/src/components/fx/hover.js
@@ -336,7 +336,8 @@ function _hover(gd, evt, subplot, noHoverEvent) {
             // Discover event target, traversing open shadow roots.
             var target = evt.composedPath && evt.composedPath()[0];
             if(!target) {
-                return;
+                // Fallback for browsers not supporting composedPath
+                target = evt.target;
             }
             var dbb = target.getBoundingClientRect();
 

Original file line number	Diff line number	Diff line change
`@@ -336,7 +336,8 @@ function _hover(gd, evt, subplot, noHoverEvent) {`
`336`	`336`	`// Discover event target, traversing open shadow roots.`
`337`	`337`	`var target = evt.composedPath && evt.composedPath()[0];`
`338`	`338`	`if(!target) {`
`339`		`- return;`
	`339`	`+ // Fallback for browsers not supporting composedPath`
	`340`	`+ target = evt.target;`
`340`	`341`	`}`
`341`	`342`	`var dbb = target.getBoundingClientRect();`
`342`	`343`