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Fix null ref in tree (#19589)

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* Fix null ref in tree

* Correct type
This commit is contained in:
Charles Gagnon
2022-06-01 12:47:52 -07:00
committed by GitHub
parent f8844b328f
commit 071f631c34
1 changed files with 2 additions and 2 deletions
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4
src/sql/workbench/contrib/views/browser/treeView.ts
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@@ -183,7 +183,7 @@ export class TreeView extends Disposable implements ITreeView {
} }
async getChildren(node: ITreeItem): Promise<ITreeItem[]> { async getChildren(node: ITreeItem): Promise<ITreeItem[]> {
let children: ITreeItem[]; let children: ITreeItem[] | undefined = undefined;
if (node && node.children) { if (node && node.children) {
children = node.children; children = node.children;
} else { } else {
@@ -192,7 +192,7 @@ export class TreeView extends Disposable implements ITreeView {
} }
if (node instanceof Root) { if (node instanceof Root) {
const oldEmpty = this._isEmpty; const oldEmpty = this._isEmpty;
this._isEmpty = children.length === 0; this._isEmpty = !children || children.length === 0;
if (oldEmpty !== this._isEmpty) { if (oldEmpty !== this._isEmpty) {
this._onDidChangeEmpty.fire(); this._onDidChangeEmpty.fire();
} }