Initial commit

node_modules/clone-regexp/index.js

@@ -0,0 +1,31 @@
+'use strict';
+var isRegexp = require('is-regexp');
+var isSupportedRegexpFlag = require('is-supported-regexp-flag');
+
+var flagMap = {
+	global: 'g',
+	ignoreCase: 'i',
+	multiline: 'm'
+};
+
+if (isSupportedRegexpFlag('y')) {
+	flagMap.sticky = 'y';
+}
+
+if (isSupportedRegexpFlag('u')) {
+	flagMap.unicode = 'u';
+}
+
+module.exports = function (re, opts) {
+	if (!isRegexp(re)) {
+		throw new TypeError('Expected a RegExp instance');
+	}
+
+	opts = opts || {};
+
+	var flags = Object.keys(flagMap).map(function (el) {
+		return (typeof opts[el] === 'boolean' ? opts[el] : re[el]) ? flagMap[el] : '';
+	}).join('');
+
+	return new RegExp(opts.source || re.source, flags);
+};