use BaseCommand in _useless.js

yarnpkg · Mar 4, 2017 · b866205 · b866205
1 parent 9fd6224
commit b866205
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/src/cli/commands/_useless.js b/src/cli/commands/_useless.js
@@ -1,12 +1,14 @@
 /* @flow */
 
+import BaseCommand from './_base.js';
 import {MessageError} from '../../errors.js';
 
-export default function(message: string): { run: Function, useless: boolean } {
-  return {
-    useless: true,
-    run() {
+export default function(message: string): Function {
+  return class extends BaseCommand {
+    useless: boolean = true;
+
+    static run(): Promise<void> {
       throw new MessageError(message);
-    },
+    }
   };
 }