| 1 |
/** |
| 2 |
* Login Shortcode JavaScript |
| 3 |
* |
| 4 |
* Production-optimized login form interactions and functionality |
| 5 |
* |
| 6 |
* @package Yatra |
| 7 |
* @version 1.0.0 |
| 8 |
*/ |
| 9 |
|
| 10 |
(function($) { |
| 11 |
'use strict'; |
| 12 |
|
| 13 |
// Performance: Cache DOM elements |
| 14 |
let $document = $(document); |
| 15 |
let $window = $(window); |
| 16 |
|
| 17 |
// Performance: Debounce function for performance |
| 18 |
function debounce(func, wait) { |
| 19 |
let timeout; |
| 20 |
return function executedFunction(...args) { |
| 21 |
const later = () => { |
| 22 |
clearTimeout(timeout); |
| 23 |
func(...args); |
| 24 |
}; |
| 25 |
clearTimeout(timeout); |
| 26 |
timeout = setTimeout(later, wait); |
| 27 |
}; |
| 28 |
} |
| 29 |
|
| 30 |
// Performance: Throttle function for scroll events |
| 31 |
function throttle(func, limit) { |
| 32 |
let inThrottle; |
| 33 |
return function() { |
| 34 |
const args = arguments; |
| 35 |
const context = this; |
| 36 |
if (!inThrottle) { |
| 37 |
func.apply(context, args); |
| 38 |
inThrottle = true; |
| 39 |
setTimeout(() => inThrottle = false, limit); |
| 40 |
} |
| 41 |
}; |
| 42 |
} |
| 43 |
|
| 44 |
// Initialize when DOM is ready |
| 45 |
$document.ready(function() { |
| 46 |
// Performance: Check if login form exists before initializing |
| 47 |
if ($('.yatra-login-form').length === 0) { |
| 48 |
return; |
| 49 |
} |
| 50 |
|
| 51 |
// Initialize components |
| 52 |
initPasswordToggles(); |
| 53 |
initAjaxLogin(); |
| 54 |
initAccessibility(); |
| 55 |
initPerformanceOptimizations(); |
| 56 |
}); |
| 57 |
|
| 58 |
/** |
| 59 |
* Initialize password toggle functionality with performance optimizations |
| 60 |
*/ |
| 61 |
function initPasswordToggles() { |
| 62 |
const passwordToggles = $('.yatra-password-toggle'); |
| 63 |
|
| 64 |
// Performance: Use event delegation for better performance |
| 65 |
$document.on('click', '.yatra-password-toggle', function(e) { |
| 66 |
e.preventDefault(); |
| 67 |
|
| 68 |
const $toggle = $(this); |
| 69 |
const targetId = $toggle.data('target'); |
| 70 |
const $input = targetId ? $('#' + targetId) : $toggle.siblings('.yatra-form-input'); |
| 71 |
|
| 72 |
if (!$input.length) { |
| 73 |
console.warn('Password input not found for toggle'); |
| 74 |
return; |
| 75 |
} |
| 76 |
|
| 77 |
const $eyeIcon = $toggle.find('.yatra-eye-icon'); |
| 78 |
const $eyeOffIcon = $toggle.find('.yatra-eye-off-icon'); |
| 79 |
|
| 80 |
try { |
| 81 |
const isPassword = $input.attr('type') === 'password'; |
| 82 |
|
| 83 |
if (isPassword) { |
| 84 |
$input.attr('type', 'text'); |
| 85 |
$eyeIcon.hide(); |
| 86 |
$eyeOffIcon.show(); |
| 87 |
$toggle.attr('aria-label', 'Hide password'); |
| 88 |
} else { |
| 89 |
$input.attr('type', 'password'); |
| 90 |
$eyeIcon.show(); |
| 91 |
$eyeOffIcon.hide(); |
| 92 |
$toggle.attr('aria-label', 'Show password'); |
| 93 |
} |
| 94 |
} catch (error) { |
| 95 |
console.error('Error toggling password visibility:', error); |
| 96 |
} |
| 97 |
}); |
| 98 |
} |
| 99 |
|
| 100 |
/** |
| 101 |
* Enhanced form validation function |
| 102 |
*/ |
| 103 |
function validateLoginForm($username, $password) { |
| 104 |
const username = $username.val().trim(); |
| 105 |
const password = $password.val().trim(); |
| 106 |
|
| 107 |
if (!username) { |
| 108 |
return { |
| 109 |
valid: false, |
| 110 |
message: yatra_ajax?.strings?.validation_error || 'Please enter your email or username.' |
| 111 |
}; |
| 112 |
} |
| 113 |
|
| 114 |
if (!password) { |
| 115 |
return { |
| 116 |
valid: false, |
| 117 |
message: yatra_ajax?.strings?.validation_error || 'Please enter your password.' |
| 118 |
}; |
| 119 |
} |
| 120 |
|
| 121 |
if (username.length > 60) { |
| 122 |
return { |
| 123 |
valid: false, |
| 124 |
message: 'Username is too long.' |
| 125 |
}; |
| 126 |
} |
| 127 |
|
| 128 |
if (password.length > 72) { |
| 129 |
return { |
| 130 |
valid: false, |
| 131 |
message: 'Password is too long.' |
| 132 |
}; |
| 133 |
} |
| 134 |
|
| 135 |
return { valid: true }; |
| 136 |
} |
| 137 |
|
| 138 |
/** |
| 139 |
* Initialize accessibility features |
| 140 |
*/ |
| 141 |
function initAccessibility() { |
| 142 |
// Add ARIA labels and improve keyboard navigation |
| 143 |
$document.on('keydown', '.yatra-form-input', function(e) { |
| 144 |
if (e.key === 'Enter') { |
| 145 |
const $form = $(this).closest('form'); |
| 146 |
if ($form.length) { |
| 147 |
$form.trigger('submit'); |
| 148 |
} |
| 149 |
} |
| 150 |
}); |
| 151 |
|
| 152 |
// Focus management for error messages |
| 153 |
$document.on('click', '.yatra-form-error', function() { |
| 154 |
$(this).fadeOut(200, function() { |
| 155 |
$(this).remove(); |
| 156 |
}); |
| 157 |
}); |
| 158 |
} |
| 159 |
|
| 160 |
/** |
| 161 |
* Initialize performance optimizations |
| 162 |
*/ |
| 163 |
function initPerformanceOptimizations() { |
| 164 |
// Lazy load error styles |
| 165 |
if (!$('#yatra-login-error-styles').length) { |
| 166 |
$('<style id="yatra-login-error-styles">') |
| 167 |
.text('.yatra-form-error { transition: opacity 0.2s ease; }') |
| 168 |
.appendTo('head'); |
| 169 |
} |
| 170 |
|
| 171 |
// Preload critical resources |
| 172 |
if (window.performance && window.performance.getEntriesByType) { |
| 173 |
// Monitor performance in development |
| 174 |
if (yatra_ajax?.debug) { |
| 175 |
setTimeout(() => { |
| 176 |
const entries = performance.getEntriesByType('navigation'); |
| 177 |
if (entries.length > 0) { |
| 178 |
console.log('Login form load time:', entries[0].loadEventEnd - entries[0].loadEventStart, 'ms'); |
| 179 |
} |
| 180 |
}, 1000); |
| 181 |
} |
| 182 |
} |
| 183 |
} |
| 184 |
|
| 185 |
/** |
| 186 |
* Initialize AJAX login with production optimizations |
| 187 |
*/ |
| 188 |
function initAjaxLogin() { |
| 189 |
const $loginForm = $('.yatra-login-form'); |
| 190 |
|
| 191 |
// Only use AJAX if the form has data-ajax="true" attribute |
| 192 |
if ($loginForm.data('ajax') === true) { |
| 193 |
// Performance: Use event delegation for better performance |
| 194 |
$document.on('submit', '.yatra-login-form[data-ajax="true"]', function(e) { |
| 195 |
e.preventDefault(); |
| 196 |
e.stopPropagation(); |
| 197 |
|
| 198 |
const $form = $(this); |
| 199 |
const $submitBtn = $form.find('button[type="submit"], input[type="submit"]'); |
| 200 |
const $username = $form.find('[name="log"], [name="username"], [name="email"]'); |
| 201 |
const $password = $form.find('[name="pwd"], [name="password"]'); |
| 202 |
|
| 203 |
// Prevent multiple submissions |
| 204 |
if ($submitBtn.prop('disabled')) { |
| 205 |
return false; |
| 206 |
} |
| 207 |
|
| 208 |
// Enhanced form validation |
| 209 |
const validation = validateLoginForm($username, $password); |
| 210 |
if (!validation.valid) { |
| 211 |
showFormError($form, validation.message); |
| 212 |
return false; |
| 213 |
} |
| 214 |
|
| 215 |
// Reset previous errors |
| 216 |
$('.yatra-form-error').remove(); |
| 217 |
|
| 218 |
// Validate username |
| 219 |
if (!$username.val().trim()) { |
| 220 |
showFieldError($username, 'Please enter your email or username.'); |
| 221 |
isValid = false; |
| 222 |
} |
| 223 |
|
| 224 |
// Validate password |
| 225 |
if (!$password.val().trim()) { |
| 226 |
showFieldError($password, 'Please enter your password.'); |
| 227 |
isValid = false; |
| 228 |
} |
| 229 |
|
| 230 |
if (!isValid) { |
| 231 |
return false; |
| 232 |
} |
| 233 |
|
| 234 |
// Show loading state immediately to prevent flicker |
| 235 |
$submitBtn.prop('disabled', true); |
| 236 |
const originalText = $submitBtn.text(); |
| 237 |
$submitBtn.html('<span class="yatra-spinner"></span> ' + (yatra_ajax?.strings?.loading || 'Loading...')); |
| 238 |
|
| 239 |
// Prepare AJAX request data |
| 240 |
const formData = { |
| 241 |
action: 'yatra_ajax_login', |
| 242 |
username: $username.val().trim(), |
| 243 |
password: $password.val().trim(), |
| 244 |
remember: $form.find('[name="rememberme"]').is(':checked') ? 'forever' : '', |
| 245 |
security: $form.find('[name="yatra-login-nonce"]').val(), |
| 246 |
ajax: true |
| 247 |
}; |
| 248 |
|
| 249 |
// Perform AJAX request with timeout |
| 250 |
const ajaxRequest = $.ajax({ |
| 251 |
url: yatra_ajax?.ajax_url || '/wp-admin/admin-ajax.php', |
| 252 |
type: 'POST', |
| 253 |
data: formData, |
| 254 |
timeout: 15000, // 15 second timeout |
| 255 |
dataType: 'json' |
| 256 |
}); |
| 257 |
|
| 258 |
// Handle success |
| 259 |
ajaxRequest.done(function(response) { |
| 260 |
if (response.success) { |
| 261 |
// Success: Redirect or show success message |
| 262 |
if (response.data.redirect) { |
| 263 |
window.location.href = response.data.redirect; |
| 264 |
} else { |
| 265 |
showFormSuccess($form, response.data.message || 'Login successful!'); |
| 266 |
setTimeout(() => { |
| 267 |
window.location.reload(); |
| 268 |
}, 1500); |
| 269 |
} |
| 270 |
} else { |
| 271 |
// Error: Show error message |
| 272 |
showFormError($form, response.data.message || 'Login failed. Please try again.'); |
| 273 |
} |
| 274 |
}); |
| 275 |
|
| 276 |
// Handle error |
| 277 |
ajaxRequest.fail(function(xhr, status, error) { |
| 278 |
let errorMessage = 'Network error. Please check your connection and try again.'; |
| 279 |
|
| 280 |
if (status === 'timeout') { |
| 281 |
errorMessage = 'Request timed out. Please try again.'; |
| 282 |
} else if (xhr.responseJSON && xhr.responseJSON.data) { |
| 283 |
errorMessage = xhr.responseJSON.data.message || errorMessage; |
| 284 |
} |
| 285 |
|
| 286 |
showFormError($form, errorMessage); |
| 287 |
}); |
| 288 |
|
| 289 |
// Always restore button state |
| 290 |
ajaxRequest.always(function() { |
| 291 |
$submitBtn.prop('disabled', false); |
| 292 |
$submitBtn.text(originalText); |
| 293 |
}); |
| 294 |
|
| 295 |
return false; |
| 296 |
}); |
| 297 |
} |
| 298 |
} |
| 299 |
|
| 300 |
/** |
| 301 |
* Show field-specific error message |
| 302 |
*/ |
| 303 |
function showFieldError($field, message) { |
| 304 |
// Remove existing field error |
| 305 |
$field.siblings('.yatra-form-error').fadeOut(200, function() { |
| 306 |
$(this).remove(); |
| 307 |
}); |
| 308 |
|
| 309 |
// Create and insert error message with fade-in to prevent flicker |
| 310 |
const $error = $('<div class="yatra-form-error" style="display: none;">' + message + '</div>'); |
| 311 |
$error.css({ |
| 312 |
color: '#dc2626', |
| 313 |
fontSize: '0.875rem', |
| 314 |
marginTop: '4px', |
| 315 |
fontWeight: '500', |
| 316 |
opacity: 0, |
| 317 |
transition: 'opacity 0.2s ease' |
| 318 |
}); |
| 319 |
|
| 320 |
$field.after($error); |
| 321 |
|
| 322 |
// Fade in error message |
| 323 |
setTimeout(function() { |
| 324 |
$error.css({ |
| 325 |
display: 'block', |
| 326 |
opacity: 1 |
| 327 |
}); |
| 328 |
}, 10); |
| 329 |
|
| 330 |
// Remove error on focus |
| 331 |
$field.on('focus', function() { |
| 332 |
$(this).removeClass('error'); |
| 333 |
$(this).siblings('.yatra-form-error').fadeOut(200, function() { |
| 334 |
$(this).remove(); |
| 335 |
}); |
| 336 |
}); |
| 337 |
} |
| 338 |
|
| 339 |
/** |
| 340 |
* Show form error message |
| 341 |
*/ |
| 342 |
function showFormError($form, message) { |
| 343 |
// Remove existing error with fade out |
| 344 |
$form.find('.yatra-form-error').fadeOut(200, function() { |
| 345 |
$(this).remove(); |
| 346 |
}); |
| 347 |
|
| 348 |
// Create and insert error message at the top of the form with fade-in |
| 349 |
const $error = $('<div class="yatra-form-error" style="display: none;">' + message + '</div>'); |
| 350 |
$error.css({ |
| 351 |
color: '#dc2626', |
| 352 |
backgroundColor: '#fef2f2', |
| 353 |
border: '1px solid #fecaca', |
| 354 |
borderRadius: '8px', |
| 355 |
padding: '12px 16px', |
| 356 |
marginBottom: '20px', |
| 357 |
fontWeight: '500', |
| 358 |
opacity: 0, |
| 359 |
transition: 'opacity 0.2s ease' |
| 360 |
}); |
| 361 |
|
| 362 |
$form.prepend($error); |
| 363 |
|
| 364 |
// Fade in error message |
| 365 |
setTimeout(function() { |
| 366 |
$error.css({ |
| 367 |
display: 'block', |
| 368 |
opacity: 1 |
| 369 |
}); |
| 370 |
}, 10); |
| 371 |
|
| 372 |
// Scroll to error smoothly |
| 373 |
setTimeout(function() { |
| 374 |
$('html, body').animate({ |
| 375 |
scrollTop: $form.offset().top - 100 |
| 376 |
}, 300); |
| 377 |
}, 50); |
| 378 |
} |
| 379 |
|
| 380 |
/** |
| 381 |
* Show form success message |
| 382 |
*/ |
| 383 |
function showFormSuccess($form, message) { |
| 384 |
// Remove existing messages |
| 385 |
$form.find('.yatra-form-error, .yatra-form-success').fadeOut(200, function() { |
| 386 |
$(this).remove(); |
| 387 |
}); |
| 388 |
|
| 389 |
// Create and insert success message |
| 390 |
const $success = $('<div class="yatra-form-success" style="display: none;">' + message + '</div>'); |
| 391 |
$success.css({ |
| 392 |
color: '#059669', |
| 393 |
backgroundColor: '#f0fdf4', |
| 394 |
border: '1px solid #bbf7d0', |
| 395 |
borderRadius: '8px', |
| 396 |
padding: '12px 16px', |
| 397 |
marginBottom: '20px', |
| 398 |
fontWeight: '500', |
| 399 |
opacity: 0, |
| 400 |
transition: 'opacity 0.2s ease' |
| 401 |
}); |
| 402 |
|
| 403 |
$form.prepend($success); |
| 404 |
|
| 405 |
// Fade in success message |
| 406 |
setTimeout(function() { |
| 407 |
$success.css({ |
| 408 |
display: 'block', |
| 409 |
opacity: 1 |
| 410 |
}); |
| 411 |
}, 10); |
| 412 |
} |
| 413 |
|
| 414 |
})(jQuery); |
| 415 |
|
