#55879 Set cap to max 3 levels to expand

microsoft · Oct 29, 2018 · a3549d4 · a3549d4
1 parent b434afd
commit a3549d4
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/src/vs/vscode.d.ts b/src/vs/vscode.d.ts
@@ -6500,10 +6500,11 @@ declare module 'vscode' {
 		 * In order to not to select, set the option `select` to `false`.
 		 * In order to focus, set the option `focus` to `true`.
 		 * In order to expand the revealed element, set the option `expand` to `true` or `1`. To expand recursively set `expand` to the number of levels to expand.
+		 * **NOTE:** You can recursively expand to maximum only 3 levels.
 		 *
 		 * **NOTE:** [TreeDataProvider](#TreeDataProvider) is required to implement [getParent](#TreeDataProvider.getParent) method to access this API.
 		 */
-		reveal(element: T, options?: { select?: boolean, focus?: boolean, expand?: boolean | number }): Thenable<void>;
+		reveal(element: T, options?: { select?: boolean, focus?: boolean, expand?: boolean | 1 | 2 | 3 }): Thenable<void>;
 	}
 
 	/**

diff --git a/src/vs/workbench/api/electron-browser/mainThreadTreeViews.ts b/src/vs/workbench/api/electron-browser/mainThreadTreeViews.ts
@@ -63,7 +63,7 @@ export class MainThreadTreeViews extends Disposable implements MainThreadTreeVie
 		options = options ? options : { select: false, focus: false };
 		const select = isUndefinedOrNull(options.select) ? false : options.select;
 		const focus = isUndefinedOrNull(options.focus) ? false : options.focus;
-		let expand = isNumber(options.expand) ? options.expand : options.expand === true ? 1 : 0;
+		let expand = Math.min(isNumber(options.expand) ? options.expand : options.expand === true ? 1 : 0, 3);
 
 		if (dataProvider.isEmpty()) {
 			// Refresh if empty