Add features from Auto

types/code.js

@@ -0,0 +1,33 @@
+const { ArgumentType } = require('discord.js-commando');
+const codeblock = /```(?:(\S+)\n)?\s*([^]+?)\s*```/i;
+
+module.exports = class CodeArgumentType extends ArgumentType {
+	constructor(client) {
+		super(client, 'code');
+	}
+
+	async validate(value) {
+		if (!value) return false;
+		return true;
+	}
+
+	parse(value) {
+		if (!value) return null;
+		if (/^[0-9]+$/.test(value)) {
+			try {
+				const message = await msg.channel.messages.fetch(value);
+				value = message.content;
+			} catch (err) {
+				return { code: value, lang: null };
+			}
+		}
+		if (codeblock.test(value)) {
+			const parsed = codeblock.exec(value);
+			return {
+				code: parsed[2],
+				lang: parsed[1] ? parsed[1].toLowerCase() : null
+			};
+		}
+		return { code: value, lang: null };
+	}
+};