refactor: init cypress-cucumber-preprocessor install.

node_modules/core-js/modules/_regexp-exec.js

@@ -0,0 +1,58 @@
+'use strict';
+
+var regexpFlags = require('./_flags');
+
+var nativeExec = RegExp.prototype.exec;
+// This always refers to the native implementation, because the
+// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
+// which loads this file before patching the method.
+var nativeReplace = String.prototype.replace;
+
+var patchedExec = nativeExec;
+
+var LAST_INDEX = 'lastIndex';
+
+var UPDATES_LAST_INDEX_WRONG = (function () {
+  var re1 = /a/,
+      re2 = /b*/g;
+  nativeExec.call(re1, 'a');
+  nativeExec.call(re2, 'a');
+  return re1[LAST_INDEX] !== 0 || re2[LAST_INDEX] !== 0;
+})();
+
+// nonparticipating capturing group, copied from es5-shim's String#split patch.
+var NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;
+
+var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED;
+
+if (PATCH) {
+  patchedExec = function exec(str) {
+    var re = this;
+    var lastIndex, reCopy, match, i;
+
+    if (NPCG_INCLUDED) {
+      reCopy = new RegExp('^' + re.source + '$(?!\\s)', regexpFlags.call(re));
+    }
+    if (UPDATES_LAST_INDEX_WRONG) lastIndex = re[LAST_INDEX];
+
+    match = nativeExec.call(re, str);
+
+    if (UPDATES_LAST_INDEX_WRONG && match) {
+      re[LAST_INDEX] = re.global ? match.index + match[0].length : lastIndex;
+    }
+    if (NPCG_INCLUDED && match && match.length > 1) {
+      // Fix browsers whose `exec` methods don't consistently return `undefined`
+      // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
+      // eslint-disable-next-line no-loop-func
+      nativeReplace.call(match[0], reCopy, function () {
+        for (i = 1; i < arguments.length - 2; i++) {
+          if (arguments[i] === undefined) match[i] = undefined;
+        }
+      });
+    }
+
+    return match;
+  };
+}
+
+module.exports = patchedExec;