fixes microsoft#66529

joaomoreno · joaomoreno · commit 15e5466ca8a7 · 2019-01-15T09:46:06.000+01:00
diff --git a/src/vs/base/browser/ui/list/listView.ts b/src/vs/base/browser/ui/list/listView.ts
@@ -889,7 +889,8 @@ export class ListView<T> implements ISpliceable<T>, IDisposable {
 
 				for (const range of renderRanges) {
 					for (let i = range.start; i < range.end; i++) {
-						const beforeRow = i < this.items.length ? this.items[i + 1].row : null;
+						const afterIndex = i + 1;
+						const beforeRow = afterIndex < this.items.length ? this.items[afterIndex].row : null;
 						const beforeElement = beforeRow ? beforeRow.domNode : null;
 						this.insertItemInDOM(i, beforeElement);
 					}

Original file line number	Diff line number	Diff line change
`@@ -889,7 +889,8 @@ export class ListView<T> implements ISpliceable<T>, IDisposable {`
`889`	`889`
`890`	`890`	`for (const range of renderRanges) {`
`891`	`891`	`for (let i = range.start; i < range.end; i++) {`
`892`		`- const beforeRow = i < this.items.length ? this.items[i + 1].row : null;`
	`892`	`+ const afterIndex = i + 1;`
	`893`	`+ const beforeRow = afterIndex < this.items.length ? this.items[afterIndex].row : null;`
`893`	`894`	`const beforeElement = beforeRow ? beforeRow.domNode : null;`
`894`	`895`	`this.insertItemInDOM(i, beforeElement);`
`895`	`896`	`}`