Transition to monorepo on a new Dev branch

App/Source/node_modules/is-regex/index.js

@@ -0,0 +1,58 @@
+'use strict';
+
+var callBound = require('call-bind/callBound');
+var hasToStringTag = require('has-tostringtag/shams')();
+var has;
+var $exec;
+var isRegexMarker;
+var badStringifier;
+
+if (hasToStringTag) {
+	has = callBound('Object.prototype.hasOwnProperty');
+	$exec = callBound('RegExp.prototype.exec');
+	isRegexMarker = {};
+
+	var throwRegexMarker = function () {
+		throw isRegexMarker;
+	};
+	badStringifier = {
+		toString: throwRegexMarker,
+		valueOf: throwRegexMarker
+	};
+
+	if (typeof Symbol.toPrimitive === 'symbol') {
+		badStringifier[Symbol.toPrimitive] = throwRegexMarker;
+	}
+}
+
+var $toString = callBound('Object.prototype.toString');
+var gOPD = Object.getOwnPropertyDescriptor;
+var regexClass = '[object RegExp]';
+
+module.exports = hasToStringTag
+	// eslint-disable-next-line consistent-return
+	? function isRegex(value) {
+		if (!value || typeof value !== 'object') {
+			return false;
+		}
+
+		var descriptor = gOPD(value, 'lastIndex');
+		var hasLastIndexDataProperty = descriptor && has(descriptor, 'value');
+		if (!hasLastIndexDataProperty) {
+			return false;
+		}
+
+		try {
+			$exec(value, badStringifier);
+		} catch (e) {
+			return e === isRegexMarker;
+		}
+	}
+	: function isRegex(value) {
+		// In older browsers, typeof regex incorrectly returns 'function'
+		if (!value || (typeof value !== 'object' && typeof value !== 'function')) {
+			return false;
+		}
+
+		return $toString(value) === regexClass;
+	};