Fix an SVG focusing crash in IE11 (#12996)

ThaddeusJiang · gaearon · commit c78957eac852 · 2018-06-11T03:39:29.000+01:00
* revert #11800 because #12763 * use try/catch for SVG in IE11 * use focusNode(element) when element.focus isn't a function. * revert #11800
diff --git a/packages/react-dom/src/client/ReactInputSelection.js b/packages/react-dom/src/client/ReactInputSelection.js
@@ -82,7 +82,9 @@ export function restoreSelection(priorSelectionInformation) {
       }
     }
 
-    priorFocusedElem.focus();
+    if (typeof priorFocusedElem.focus === 'function') {
+      priorFocusedElem.focus();
+    }
 
     for (let i = 0; i < ancestors.length; i++) {
       const info = ancestors[i];

Original file line number	Diff line number	Diff line change
`@@ -82,7 +82,9 @@ export function restoreSelection(priorSelectionInformation) {`
`82`	`82`	`}`
`83`	`83`	`}`
`84`	`84`
`85`		`- priorFocusedElem.focus();`
	`85`	`+ if (typeof priorFocusedElem.focus === 'function') {`
	`86`	`+ priorFocusedElem.focus();`
	`87`	`+ }`
`86`	`88`
`87`	`89`	`for (let i = 0; i < ancestors.length; i++) {`
`88`	`90`	`const info = ancestors[i];`