Merge pull request #24469 from mjbvz/allow-title-only-code-lens

Allow Code Lenses to only Provide a Title and no Backing Command 

extensions/typescript/src/features/implementationsCodeLensProvider.ts

@@ -62,7 +62,7 @@ export default class TypeScriptImplementationsCodeLensProvider extends TypeScrip
 				title: locations.length === 1
 					? localize('oneImplementationLabel', '1 implementation')
 					: localize('manyImplementationLabel', '{0} implementations', locations.length),
-				command: 'editor.action.showReferences',
+				command: locations.length ? 'editor.action.showReferences' : '',
 				arguments: [codeLens.document, codeLens.range.start, locations]
 			};
 			return codeLens;

extensions/typescript/src/features/referencesCodeLensProvider.ts

@@ -56,7 +56,7 @@ export default class TypeScriptReferencesCodeLensProvider extends TypeScriptBase
 				title: locations.length === 1
 					? localize('oneReferenceLabel', '1 reference')
 					: localize('manyReferenceLabel', '{0} references', locations.length),
-				command: 'editor.action.showReferences',
+				command: locations.length ? 'editor.action.showReferences' : '',
 				arguments: [codeLens.document, codeLens.range.start, locations]
 			};
 			return codeLens;

src/vs/workbench/api/node/extHostCommands.ts

@@ -181,7 +181,7 @@ export class CommandsConverter {
 			title: command.title
 		};
 
-		if (!isFalsyOrEmpty(command.arguments)) {
+		if (command.command && !isFalsyOrEmpty(command.arguments)) {
 			// we have a contributed command with arguments. that
 			// means we don't want to send the arguments around