1 files changed, 27 insertions, 0 deletions
diff --git a/node_modules/regexp-clone/index.js b/node_modules/regexp-clone/index.js
new file mode 100644
index 0000000..19512b3
--- /dev/null
+++ b/node_modules/regexp-clone/index.js
@@ -0,0 +1,27 @@
+
+const toString = Object.prototype.toString;
+
+function isRegExp (o) {
+  return 'object' == typeof o
+      && '[object RegExp]' == toString.call(o);
+}
+
+module.exports = exports = function (regexp) {
+  if (!isRegExp(regexp)) {
+    throw new TypeError('Not a RegExp');
+  }
+
+  const flags = [];
+  if (regexp.global) flags.push('g');
+  if (regexp.multiline) flags.push('m');
+  if (regexp.ignoreCase) flags.push('i');
+  if (regexp.dotAll) flags.push('s');
+  if (regexp.unicode) flags.push('u');
+  if (regexp.sticky) flags.push('y');
+  const result = new RegExp(regexp.source, flags.join(''));
+  if (typeof regexp.lastIndex === 'number') {
+    result.lastIndex = regexp.lastIndex;
+  }
+  return result;
+}
+