.

node_modules/jest-regex-util/build/index.js

@@ -0,0 +1,49 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.replacePathSepForRegex = exports.escapeStrForRegex = exports.escapePathForRegex = void 0;
+
+var _path = _interopRequireDefault(require('path'));
+
+function _interopRequireDefault(obj) {
+  return obj && obj.__esModule ? obj : {default: obj};
+}
+
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+const escapePathForRegex = dir => {
+  if (_path.default.sep === '\\') {
+    // Replace "\" with "/" so it's not escaped by escapeStrForRegex.
+    // replacePathSepForRegex will convert it back.
+    dir = dir.replace(/\\/g, '/');
+  }
+
+  return replacePathSepForRegex(escapeStrForRegex(dir));
+};
+
+exports.escapePathForRegex = escapePathForRegex;
+
+const escapeStrForRegex = string =>
+  string.replace(/[[\]{}()*+?.\\^$|]/g, '\\$&');
+
+exports.escapeStrForRegex = escapeStrForRegex;
+
+const replacePathSepForRegex = string => {
+  if (_path.default.sep === '\\') {
+    return string.replace(
+      /(\/|(.)?\\(?![[\]{}()*+?.^$|\\]))/g,
+      (_match, _, p2) => (p2 && p2 !== '\\' ? p2 + '\\\\' : '\\\\')
+    );
+  }
+
+  return string;
+};
+
+exports.replacePathSepForRegex = replacePathSepForRegex;