Add support for /extensions config command (#17895)

packages/cli/src/ui/commands/extensionsCommand.ts

@@ -32,6 +32,10 @@ import { SettingScope } from '../../config/settings.js';
 import { McpServerEnablementManager } from '../../config/mcp/mcpServerEnablement.js';
 import { theme } from '../semantic-colors.js';
 import { stat } from 'node:fs/promises';
+import { ExtensionSettingScope } from '../../config/extensions/extensionSettings.js';
+import { type ConfigLogger } from '../../commands/extensions/utils.js';
+import { ConfigExtensionDialog } from '../components/ConfigExtensionDialog.js';
+import React from 'react';
 
 function showMessageIfNoExtensions(
   context: CommandContext,
@@ -583,6 +587,77 @@ async function uninstallAction(context: CommandContext, args: string) {
   }
 }
 
+async function configAction(context: CommandContext, args: string) {
+  const parts = args.trim().split(/\s+/).filter(Boolean);
+  let scope = ExtensionSettingScope.USER;
+
+  const scopeEqIndex = parts.findIndex((p) => p.startsWith('--scope='));
+  if (scopeEqIndex > -1) {
+    const scopeVal = parts[scopeEqIndex].split('=')[1];
+    if (scopeVal === 'workspace') {
+      scope = ExtensionSettingScope.WORKSPACE;
+    } else if (scopeVal === 'user') {
+      scope = ExtensionSettingScope.USER;
+    }
+    parts.splice(scopeEqIndex, 1);
+  } else {
+    const scopeIndex = parts.indexOf('--scope');
+    if (scopeIndex > -1) {
+      const scopeVal = parts[scopeIndex + 1];
+      if (scopeVal === 'workspace' || scopeVal === 'user') {
+        scope =
+          scopeVal === 'workspace'
+            ? ExtensionSettingScope.WORKSPACE
+            : ExtensionSettingScope.USER;
+        parts.splice(scopeIndex, 2);
+      }
+    }
+  }
+
+  const otherArgs = parts;
+  const name = otherArgs[0];
+  const setting = otherArgs[1];
+
+  if (name) {
+    if (name.includes('/') || name.includes('\\') || name.includes('..')) {
+      context.ui.addItem({
+        type: MessageType.ERROR,
+        text: 'Invalid extension name. Names cannot contain path separators or "..".',
+      });
+      return;
+    }
+  }
+
+  const extensionManager = context.services.config?.getExtensionLoader();
+  if (!(extensionManager instanceof ExtensionManager)) {
+    debugLogger.error(
+      `Cannot ${context.invocation?.name} extensions in this environment`,
+    );
+    return;
+  }
+
+  const logger: ConfigLogger = {
+    log: (message: string) => {
+      context.ui.addItem({ type: MessageType.INFO, text: message.trim() });
+    },
+    error: (message: string) =>
+      context.ui.addItem({ type: MessageType.ERROR, text: message }),
+  };
+
+  return {
+    type: 'custom_dialog' as const,
+    component: React.createElement(ConfigExtensionDialog, {
+      extensionManager,
+      onClose: () => context.ui.removeComponent(),
+      extensionName: name,
+      settingKey: setting,
+      scope,
+      configureAll: !name && !setting,
+      loggerAdapter: logger,
+    }),
+  };
+}
+
 /**
  * Exported for testing.
  */
@@ -701,6 +776,14 @@ const restartCommand: SlashCommand = {
   completion: completeExtensions,
 };
 
+const configCommand: SlashCommand = {
+  name: 'config',
+  description: 'Configure extension settings',
+  kind: CommandKind.BUILT_IN,
+  autoExecute: false,
+  action: configAction,
+};
+
 export function extensionsCommand(
   enableExtensionReloading?: boolean,
 ): SlashCommand {
@@ -711,6 +794,7 @@ export function extensionsCommand(
         installCommand,
         uninstallCommand,
         linkCommand,
+        configCommand,
       ]
     : [];
   return {