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/** |
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* Login Shortcode JavaScript |
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* |
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* Production-optimized login form interactions and functionality |
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* |
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* @package Yatra |
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* @version 1.0.0 |
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*/ |
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|
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// Translation helpers — idempotent shim matching the other frontend bundles. |
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(function () { |
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if (typeof window.__ === 'function') return; |
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if (window.wp && window.wp.i18n && typeof window.wp.i18n.__ === 'function') { |
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window.__ = function (text, domain) { return window.wp.i18n.__(text, domain || 'yatra'); }; |
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window._n = function (s, p, n, domain) { return window.wp.i18n._n(s, p, n, domain || 'yatra'); }; |
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window._x = function (text, ctx, domain) { return window.wp.i18n._x(text, ctx, domain || 'yatra'); }; |
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window.sprintf = window.sprintf || (window.wp.i18n.sprintf || function (fmt) { return fmt; }); |
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} else { |
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window.__ = function (text) { return text; }; |
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window._n = function (s, p, n) { return n === 1 ? s : p; }; |
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window._x = function (text) { return text; }; |
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window.sprintf = window.sprintf || function (fmt) { return fmt; }; |
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} |
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})(); |
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|
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(function($) { |
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'use strict'; |
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|
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// Performance: Cache DOM elements |
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let $document = $(document); |
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let $window = $(window); |
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|
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// Performance: Debounce function for performance |
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function debounce(func, wait) { |
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let timeout; |
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return function executedFunction(...args) { |
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const later = () => { |
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clearTimeout(timeout); |
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func(...args); |
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}; |
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clearTimeout(timeout); |
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timeout = setTimeout(later, wait); |
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}; |
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} |
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|
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// Performance: Throttle function for scroll events |
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function throttle(func, limit) { |
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let inThrottle; |
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return function() { |
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const args = arguments; |
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const context = this; |
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if (!inThrottle) { |
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func.apply(context, args); |
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inThrottle = true; |
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setTimeout(() => inThrottle = false, limit); |
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} |
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}; |
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} |
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|
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// Initialize when DOM is ready |
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$document.ready(function() { |
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// Performance: Check if login form exists before initializing |
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if ($('.yatra-login-form').length === 0) { |
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return; |
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} |
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|
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// Initialize components |
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initPasswordToggles(); |
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initAjaxLogin(); |
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initAccessibility(); |
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initPerformanceOptimizations(); |
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}); |
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|
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/** |
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* Initialize password toggle functionality with performance optimizations |
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*/ |
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function initPasswordToggles() { |
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const passwordToggles = $('.yatra-password-toggle'); |
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|
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// Performance: Use event delegation for better performance |
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$document.on('click', '.yatra-password-toggle', function(e) { |
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e.preventDefault(); |
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|
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const $toggle = $(this); |
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const targetId = $toggle.data('target'); |
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const $input = targetId ? $('#' + targetId) : $toggle.siblings('.yatra-form-input'); |
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|
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if (!$input.length) { |
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console.warn('Password input not found for toggle'); |
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return; |
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} |
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|
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const $eyeIcon = $toggle.find('.yatra-eye-icon'); |
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const $eyeOffIcon = $toggle.find('.yatra-eye-off-icon'); |
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|
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try { |
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const isPassword = $input.attr('type') === 'password'; |
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|
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if (isPassword) { |
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$input.attr('type', 'text'); |
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$eyeIcon.hide(); |
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$eyeOffIcon.show(); |
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$toggle.attr('aria-label', __('Hide password', 'yatra')); |
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} else { |
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$input.attr('type', 'password'); |
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$eyeIcon.show(); |
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$eyeOffIcon.hide(); |
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$toggle.attr('aria-label', __('Show password', 'yatra')); |
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} |
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} catch (error) { |
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console.error('Error toggling password visibility:', error); |
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} |
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}); |
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} |
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|
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/** |
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* Enhanced form validation function |
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*/ |
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function validateLoginForm($username, $password) { |
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const username = $username.val().trim(); |
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const password = $password.val().trim(); |
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|
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if (!username) { |
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return { |
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valid: false, |
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message: yatra_ajax?.strings?.validation_error || __('Please enter your email or username.', 'yatra') |
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}; |
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} |
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|
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if (!password) { |
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return { |
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valid: false, |
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message: yatra_ajax?.strings?.validation_error || __('Please enter your password.', 'yatra') |
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}; |
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} |
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|
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if (username.length > 60) { |
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return { |
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valid: false, |
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message: __('Username is too long.', 'yatra') |
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}; |
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} |
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|
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if (password.length > 72) { |
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return { |
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valid: false, |
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message: __('Password is too long.', 'yatra') |
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}; |
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} |
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|
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return { valid: true }; |
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} |
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|
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/** |
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* Initialize accessibility features |
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*/ |
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function initAccessibility() { |
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// Add ARIA labels and improve keyboard navigation |
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$document.on('keydown', '.yatra-form-input', function(e) { |
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if (e.key === 'Enter') { |
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const $form = $(this).closest('form'); |
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if ($form.length) { |
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$form.trigger('submit'); |
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} |
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} |
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}); |
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|
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// Focus management for error messages |
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$document.on('click', '.yatra-form-error', function() { |
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$(this).fadeOut(200, function() { |
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$(this).remove(); |
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}); |
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}); |
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} |
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|
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/** |
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* Initialize performance optimizations |
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*/ |
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function initPerformanceOptimizations() { |
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// Lazy load error styles |
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if (!$('#yatra-login-error-styles').length) { |
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$('<style id="yatra-login-error-styles">') |
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.text('.yatra-form-error { transition: opacity 0.2s ease; }') |
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.appendTo('head'); |
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} |
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|
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// Preload critical resources |
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if (window.performance && window.performance.getEntriesByType) { |
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// Monitor performance in development |
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if (yatra_ajax?.debug) { |
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setTimeout(() => { |
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const entries = performance.getEntriesByType('navigation'); |
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if (entries.length > 0) { |
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console.log('Login form load time:', entries[0].loadEventEnd - entries[0].loadEventStart, 'ms'); |
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} |
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}, 1000); |
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} |
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} |
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} |
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|
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/** |
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* Initialize AJAX login with production optimizations |
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*/ |
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function initAjaxLogin() { |
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const $loginForm = $('.yatra-login-form'); |
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|
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// Only use AJAX if the form has data-ajax="true" attribute |
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if ($loginForm.data('ajax') === true) { |
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// Performance: Use event delegation for better performance |
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$document.on('submit', '.yatra-login-form[data-ajax="true"]', function(e) { |
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e.preventDefault(); |
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e.stopPropagation(); |
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|
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const $form = $(this); |
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const $submitBtn = $form.find('button[type="submit"], input[type="submit"]'); |
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const $username = $form.find('[name="log"], [name="username"], [name="email"]'); |
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const $password = $form.find('[name="pwd"], [name="password"]'); |
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|
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// Prevent multiple submissions |
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if ($submitBtn.prop('disabled')) { |
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return false; |
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} |
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|
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// Enhanced form validation |
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const validation = validateLoginForm($username, $password); |
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if (!validation.valid) { |
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showFormError($form, validation.message); |
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return false; |
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} |
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|
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// Reset previous errors |
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$('.yatra-form-error').remove(); |
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// Field-level validation is already handled by validateLoginForm() |
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|
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// Show loading state immediately to prevent flicker |
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$submitBtn.prop('disabled', true); |
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// Preserve the original markup once, then toggle the built-in loading spans. |
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if (!$submitBtn.data('yatraOriginalHtml')) { |
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$submitBtn.data('yatraOriginalHtml', $submitBtn.html()); |
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} |
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$submitBtn.addClass('yatra-is-loading'); |
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$submitBtn.find('.yatra-btn-text').hide(); |
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$submitBtn.find('.yatra-btn-loading').show(); |
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|
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// Prepare AJAX request data |
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const formData = { |
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action: 'yatra_ajax_login', |
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username: $username.val().trim(), |
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password: $password.val().trim(), |
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rememberme: $form.find('[name="rememberme"]').is(':checked') ? 'forever' : '', |
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yatra_login_nonce: $form.find('[name="yatra_login_nonce"]').val(), |
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redirect_to: $form.find('[name="redirect_to"]').val() || '', |
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ajax: true |
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}; |
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|
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// Perform AJAX request with timeout |
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const ajaxRequest = $.ajax({ |
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url: yatra_ajax?.ajax_url || '/wp-admin/admin-ajax.php', |
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type: 'POST', |
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data: formData, |
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timeout: 15000, // 15 second timeout |
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dataType: 'json' |
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}); |
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|
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// Handle success |
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ajaxRequest.done(function(response) { |
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if (response.success) { |
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// Success: Redirect or show success message |
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if (response.data && (response.data.redirect_url || response.data.redirect)) { |
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window.location.href = response.data.redirect_url || response.data.redirect; |
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} else { |
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showFormSuccess($form, response.data.message || __('Login successful!', 'yatra')); |
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setTimeout(() => { |
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window.location.reload(); |
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}, 1500); |
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} |
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} else { |
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// Error: Show error message |
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showFormError($form, response.data.message || 'Login failed. Please try again.'); |
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} |
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}); |
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|
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// Handle error |
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ajaxRequest.fail(function(xhr, status, error) { |
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let errorMessage = 'Network error. Please check your connection and try again.'; |
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|
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if (status === 'timeout') { |
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errorMessage = 'Request timed out. Please try again.'; |
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} else if (xhr.responseJSON && xhr.responseJSON.data) { |
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errorMessage = xhr.responseJSON.data.message || errorMessage; |
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} |
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|
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showFormError($form, errorMessage); |
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}); |
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|
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// Always restore button state |
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ajaxRequest.always(function() { |
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$submitBtn.prop('disabled', false); |
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$submitBtn.removeClass('yatra-is-loading'); |
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$submitBtn.find('.yatra-btn-loading').hide(); |
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$submitBtn.find('.yatra-btn-text').show(); |
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|
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// If some other code replaced the markup, restore it. |
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const originalHtml = $submitBtn.data('yatraOriginalHtml'); |
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if (originalHtml && $submitBtn.find('.yatra-btn-text').length === 0) { |
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$submitBtn.html(originalHtml); |
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} |
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}); |
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|
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return false; |
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}); |
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} |
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} |
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|
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/** |
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* Show field-specific error message |
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*/ |
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function showFieldError($field, message) { |
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// Remove existing field error |
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$field.siblings('.yatra-form-error').fadeOut(200, function() { |
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$(this).remove(); |
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}); |
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|
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// Create and insert error message with fade-in to prevent flicker |
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const $error = $('<div class="yatra-form-error" style="display: none;">' + message + '</div>'); |
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$error.css({ |
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color: '#dc2626', |
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fontSize: '0.875rem', |
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marginTop: '4px', |
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fontWeight: '500', |
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opacity: 0, |
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transition: 'opacity 0.2s ease' |
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}); |
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|
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$field.after($error); |
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|
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// Fade in error message |
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setTimeout(function() { |
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$error.css({ |
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display: 'block', |
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opacity: 1 |
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}); |
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}, 10); |
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|
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// Remove error on focus |
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$field.on('focus', function() { |
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$(this).removeClass('error'); |
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$(this).siblings('.yatra-form-error').fadeOut(200, function() { |
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$(this).remove(); |
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}); |
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}); |
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} |
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|
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/** |
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* Show form error message |
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*/ |
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function showFormError($form, message) { |
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// Remove existing error with fade out |
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$form.find('.yatra-form-error').fadeOut(200, function() { |
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$(this).remove(); |
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}); |
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|
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// Create and insert error message at the top of the form with fade-in |
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const $error = $('<div class="yatra-form-error" style="display: none;">' + message + '</div>'); |
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$error.css({ |
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color: '#dc2626', |
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backgroundColor: '#fef2f2', |
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border: '1px solid #fecaca', |
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borderRadius: '8px', |
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padding: '12px 16px', |
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marginBottom: '20px', |
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fontWeight: '500', |
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opacity: 0, |
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transition: 'opacity 0.2s ease' |
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}); |
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|
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$form.prepend($error); |
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|
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// Fade in error message |
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setTimeout(function() { |
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$error.css({ |
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display: 'block', |
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opacity: 1 |
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}); |
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}, 10); |
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|
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// Scroll to error smoothly |
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setTimeout(function() { |
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$('html, body').animate({ |
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scrollTop: $form.offset().top - 100 |
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}, 300); |
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}, 50); |
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} |
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|
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/** |
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* Show form success message |
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*/ |
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function showFormSuccess($form, message) { |
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// Remove existing messages |
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$form.find('.yatra-form-error, .yatra-form-success').fadeOut(200, function() { |
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$(this).remove(); |
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}); |
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|
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// Create and insert success message |
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const $success = $('<div class="yatra-form-success" style="display: none;">' + message + '</div>'); |
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$success.css({ |
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color: '#059669', |
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backgroundColor: '#f0fdf4', |
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border: '1px solid #bbf7d0', |
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borderRadius: '8px', |
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padding: '12px 16px', |
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marginBottom: '20px', |
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fontWeight: '500', |
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opacity: 0, |
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transition: 'opacity 0.2s ease' |
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}); |
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|
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$form.prepend($success); |
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|
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// Fade in success message |
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setTimeout(function() { |
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$success.css({ |
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display: 'block', |
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opacity: 1 |
| 425 |
}); |
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}, 10); |
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} |
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|
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})(jQuery); |
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|
