Abolish common and misc directories

src/text/parse/elements/code.ts

@@ -0,0 +1,17 @@
+/**
+ * Code (block)
+ */
+
+import genHtml from '../core/syntax-highlighter';
+
+module.exports = text => {
+	const match = text.match(/^```([\s\S]+?)```/);
+	if (!match) return null;
+	const code = match[0];
+	return {
+		type: 'code',
+		content: code,
+		code: code.substr(3, code.length - 6).trim(),
+		html: genHtml(code.substr(3, code.length - 6).trim())
+	};
+};