routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/clean-regexp/index.js

@@ -0,0 +1,35 @@
+'use strict';
+const escapeStringRegexp = require('escape-string-regexp');
+const mapping = require('./lib/mappings');
+
+const hasFlags = (regexFlags, replaceFlags) => {
+	if (!replaceFlags) {
+		return true;
+	}
+
+	// Check if every flag in the replace flags is part of the original regex flags
+	return replaceFlags.split('').every(flag => regexFlags.includes(flag));
+};
+
+module.exports = (regexp, flags) => {
+	flags = flags || '';
+
+	if (typeof regexp !== 'string') {
+		throw new TypeError(`Expected regexp to be of type \`string\`, got \`${typeof regexp}\``);
+	}
+
+	if (typeof flags !== 'string') {
+		throw new TypeError(`Expected flags to be of type \`string\`, got \`${typeof flags}\``);
+	}
+
+	for (const replace of mapping) {
+		const key = replace[0];
+		const replacement = replace[1];
+
+		if (hasFlags(flags, replacement.flags)) {
+			regexp = regexp.replace(new RegExp(escapeStringRegexp(key), 'g'), replacement.value);
+		}
+	}
+
+	return regexp;
+};