Add emoji reaction detail status

app/javascript/mastodon/components/emoji_view.jsx

@@ -0,0 +1,33 @@
+import React from 'react';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import { injectIntl } from 'react-intl';
+import emojify from '../features/emoji/emoji';
+import classNames from 'classnames';
+
+export default class EmojiView extends React.PureComponent {
+
+  static propTypes = {
+    name: PropTypes.string,
+    url: PropTypes.string,
+    staticUrl: PropTypes.string,
+  };
+
+  render () {
+    const { name, url, staticUrl } = this.props;
+
+    let emojiHtml = null;
+    if (url) {
+      let customEmojis = {};
+      customEmojis[`:${name}:`] = { url, static_url: staticUrl };
+      emojiHtml = emojify(`:${name}:`, customEmojis);
+    } else {
+      emojiHtml = emojify(name);
+    }
+
+    return (
+      <span className='emoji' dangerouslySetInnerHTML={{ __html: emojiHtml }} />
+    );
+  }
+
+}