Remove evalWorker only if it's available

chenglou · chenglou · commit 9573bee88f9f · 2017-09-25T17:00:36.000-07:00
diff --git a/src/pages/try.js b/src/pages/try.js
@@ -382,7 +382,7 @@ export default class Try extends Component {
   }
 
   componentWillUnmount() {
-    this.evalWorker.terminate();
+    this.evalWorker && this.evalWorker.terminate();
   }
 
   updateReason = newReasonCode => {

Original file line number	Diff line number	Diff line change
`@@ -382,7 +382,7 @@ export default class Try extends Component {`
`382`	`382`	`}`
`383`	`383`
`384`	`384`	`componentWillUnmount() {`
`385`		`- this.evalWorker.terminate();`
	`385`	`+ this.evalWorker && this.evalWorker.terminate();`
`386`	`386`	`}`
`387`	`387`
`388`	`388`	`updateReason = newReasonCode => {`