fixes microsoft#28992

joaomoreno · joaomoreno · commit 69e53866f36f · 2017-06-19T18:29:53.000+02:00
diff --git a/src/vs/base/parts/tree/browser/treeView.ts b/src/vs/base/parts/tree/browser/treeView.ts
@@ -1626,6 +1626,10 @@ export class TreeView extends HeightMap {
 	}
 
 	private removeItemFromDOM(item: ViewItem): void {
+		if (!item) {
+			return;
+		}
+
 		item.removeFromDOM();
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -1626,6 +1626,10 @@ export class TreeView extends HeightMap {`
`1626`	`1626`	`}`
`1627`	`1627`
`1628`	`1628`	`private removeItemFromDOM(item: ViewItem): void {`
	`1629`	`+ if (!item) {`
	`1630`	`+ return;`
	`1631`	`+ }`
	`1632`	`+`
`1629`	`1633`	`item.removeFromDOM();`
`1630`	`1634`	`}`
`1631`	`1635`