fix: print 'copied' when --copy

Author: fisker

src/index.js

@@ -17,6 +17,7 @@ async function main(cli) {
 
   if (copy) {
     copyToClipboard(result)
+    console.log('copied')
   } else {
     console.log(result)
   }

test/test.js

@@ -91,7 +91,7 @@ test('Should copy to clipboard', t => {
       copy: true,
     },
   })
-  t.is(result.stdout, '')
+  t.is(result.stdout, 'copied')
   t.is(readClipboard(), JSON.stringify(packageJson))
 })