fix: eslint errors, add comment

dbluhm · dbluhm · commit b5235655d292 · 2020-11-06T16:31:59.000-05:00
diff --git a/src/components/fx/hover.js b/src/components/fx/hover.js
@@ -333,8 +333,9 @@ function _hover(gd, evt, subplot, noHoverEvent) {
                 return;
             }
 
+            // Discover event target, traversing open shadow roots.
             var target = evt.composedPath && evt.composedPath()[0];
-            if (!target) {
+            if(!target) {
                 return;
             }
             var dbb = target.getBoundingClientRect();

Original file line number	Diff line number	Diff line change
`@@ -333,8 +333,9 @@ function _hover(gd, evt, subplot, noHoverEvent) {`
`333`	`333`	`return;`
`334`	`334`	`}`
`335`	`335`
	`336`	`+ // Discover event target, traversing open shadow roots.`
`336`	`337`	`var target = evt.composedPath && evt.composedPath()[0];`
`337`		`- if (!target) {`
	`338`	`+ if(!target) {`
`338`	`339`	`return;`
`339`	`340`	`}`
`340`	`341`	`var dbb = target.getBoundingClientRect();`