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assets/js/utils/validation.js

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+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Online Appointment Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) Alex Tselegidis
+ * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        https://easyappointments.org
+ * @since       v1.5.0
+ * ---------------------------------------------------------------------------- */
+
+/**
+ * Validation utility.
+ *
+ * This module implements the functionality of validation.
+ */
+window.App.Utils.Validation = (function () {
+    /**
+     * Validate the provided email.
+     *
+     * @param {String} value
+     *
+     * @return {Boolean}
+     */
+    function email(value) {
+        const re =
+            /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+
+        return re.test(value);
+    }
+
+    /**
+     * Validate the provided phone.
+     *
+     * @param {String} value
+     *
+     * @return {Boolean}
+     */
+    function phone(value) {
+        const re = /^[+]?([0-9]*[\.\s\-\(\)]|[0-9]+){3,24}$/;
+
+        return re.test(value);
+    }
+
+    return {
+        email,
+        phone,
+    };
+})();