Add option to enable/disable clangd (#636)

Author: ryanplusplus

package.json

@@ -180,6 +180,11 @@
                   "type": "boolean",
                   "default": true,
                   "description": "Enable hovers provided by the language server"
+                },
+                "clangd.enable": {
+                    "type": "boolean",
+                    "default": true,
+                    "description": "Enable clangd language server features"
                 }
             }
         },

src/extension.ts

@@ -41,10 +41,16 @@ export async function activate(context: vscode.ExtensionContext):
         }
       }));
 
-  await clangdContext.activate(context.globalStoragePath, outputChannel);
+  let shouldCheck = false;
+
+  if (vscode.workspace.getConfiguration('clangd').get<boolean>('enable')) {
+    await clangdContext.activate(context.globalStoragePath, outputChannel);
+
+    shouldCheck = vscode.workspace.getConfiguration('clangd').get<boolean>(
+                      'detectExtensionConflicts') ??
+                  false;
+  }
 
-  const shouldCheck = vscode.workspace.getConfiguration('clangd').get(
-      'detectExtensionConflicts');
   if (shouldCheck) {
     const interval = setInterval(function() {
       const cppTools = vscode.extensions.getExtension('ms-vscode.cpptools');