Fix broken storybook (#3030)

storybook/stories/character_counter.story.js

@@ -0,0 +1,21 @@
+import React from 'react';
+import { storiesOf } from '@kadira/storybook';
+import CharacterCounter from 'mastodon/features/compose/components/character_counter';
+
+storiesOf('CharacterCounter', module)
+  .add('no text', () => {
+    const text = '';
+    return <CharacterCounter text={text} max={500} />;
+  })
+  .add('a few strings text', () => {
+    const text = '0123456789';
+    return <CharacterCounter text={text} max={500} />;
+  })
+  .add('the same text', () => {
+    const text = '01234567890123456789';
+    return <CharacterCounter text={text} max={20} />;
+  })
+  .add('over text', () => {
+    const text = '01234567890123456789012345678901234567890123456789';
+    return <CharacterCounter text={text} max={10} />;
+  });