Introduce processor

src/server/api/common/text/elements/emoji.ts

@@ -0,0 +1,14 @@
+/**
+ * Emoji
+ */
+
+module.exports = text => {
+	const match = text.match(/^:[a-zA-Z0-9+-_]+:/);
+	if (!match) return null;
+	const emoji = match[0];
+	return {
+		type: 'emoji',
+		content: emoji,
+		emoji: emoji.substr(1, emoji.length - 2)
+	};
+};