| 1 |
(function (global, factory) { |
| 2 |
typeof exports === "object" && typeof module !== "undefined" |
| 3 |
? (module.exports = factory()) |
| 4 |
: typeof define === "function" && define.amd |
| 5 |
? define(factory) |
| 6 |
: ((global = global || self), (global.MicroModal = factory())); |
| 7 |
})(this, function () { |
| 8 |
"use strict"; |
| 9 |
|
| 10 |
function _classCallCheck(instance, Constructor) { |
| 11 |
if (!(instance instanceof Constructor)) { |
| 12 |
throw new TypeError("Cannot call a class as a function"); |
| 13 |
} |
| 14 |
} |
| 15 |
|
| 16 |
function _defineProperties(target, props) { |
| 17 |
for (var i = 0; i < props.length; i++) { |
| 18 |
var descriptor = props[i]; |
| 19 |
descriptor.enumerable = descriptor.enumerable || false; |
| 20 |
descriptor.configurable = true; |
| 21 |
if ("value" in descriptor) descriptor.writable = true; |
| 22 |
Object.defineProperty(target, descriptor.key, descriptor); |
| 23 |
} |
| 24 |
} |
| 25 |
|
| 26 |
function _createClass(Constructor, protoProps, staticProps) { |
| 27 |
if (protoProps) _defineProperties(Constructor.prototype, protoProps); |
| 28 |
if (staticProps) _defineProperties(Constructor, staticProps); |
| 29 |
return Constructor; |
| 30 |
} |
| 31 |
|
| 32 |
function _toConsumableArray(arr) { |
| 33 |
return ( |
| 34 |
_arrayWithoutHoles(arr) || |
| 35 |
_iterableToArray(arr) || |
| 36 |
_unsupportedIterableToArray(arr) || |
| 37 |
_nonIterableSpread() |
| 38 |
); |
| 39 |
} |
| 40 |
|
| 41 |
function _arrayWithoutHoles(arr) { |
| 42 |
if (Array.isArray(arr)) return _arrayLikeToArray(arr); |
| 43 |
} |
| 44 |
|
| 45 |
function _iterableToArray(iter) { |
| 46 |
if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) |
| 47 |
return Array.from(iter); |
| 48 |
} |
| 49 |
|
| 50 |
function _unsupportedIterableToArray(o, minLen) { |
| 51 |
if (!o) return; |
| 52 |
if (typeof o === "string") return _arrayLikeToArray(o, minLen); |
| 53 |
var n = Object.prototype.toString.call(o).slice(8, -1); |
| 54 |
if (n === "Object" && o.constructor) n = o.constructor.name; |
| 55 |
if (n === "Map" || n === "Set") return Array.from(n); |
| 56 |
if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) |
| 57 |
return _arrayLikeToArray(o, minLen); |
| 58 |
} |
| 59 |
|
| 60 |
function _arrayLikeToArray(arr, len) { |
| 61 |
if (len == null || len > arr.length) len = arr.length; |
| 62 |
|
| 63 |
for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; |
| 64 |
|
| 65 |
return arr2; |
| 66 |
} |
| 67 |
|
| 68 |
function _nonIterableSpread() { |
| 69 |
throw new TypeError( |
| 70 |
"Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method." |
| 71 |
); |
| 72 |
} |
| 73 |
|
| 74 |
var MicroModal = (function () { |
| 75 |
var FOCUSABLE_ELEMENTS = [ |
| 76 |
"a[href]", |
| 77 |
"area[href]", |
| 78 |
'input:not([disabled]):not([type="hidden"]):not([aria-hidden])', |
| 79 |
"select:not([disabled]):not([aria-hidden])", |
| 80 |
"textarea:not([disabled]):not([aria-hidden])", |
| 81 |
"button:not([disabled]):not([aria-hidden])", |
| 82 |
"iframe", |
| 83 |
"object", |
| 84 |
"embed", |
| 85 |
"[contenteditable]", |
| 86 |
'[tabindex]:not([tabindex^="-"])', |
| 87 |
]; |
| 88 |
|
| 89 |
var Modal = /*#__PURE__*/ (function () { |
| 90 |
function Modal(_ref) { |
| 91 |
var targetModal = _ref.targetModal, |
| 92 |
_ref$triggers = _ref.triggers, |
| 93 |
triggers = _ref$triggers === void 0 ? [] : _ref$triggers, |
| 94 |
_ref$onShow = _ref.onShow, |
| 95 |
onShow = _ref$onShow === void 0 ? function () {} : _ref$onShow, |
| 96 |
_ref$onClose = _ref.onClose, |
| 97 |
onClose = _ref$onClose === void 0 ? function () {} : _ref$onClose, |
| 98 |
_ref$openTrigger = _ref.openTrigger, |
| 99 |
openTrigger = |
| 100 |
_ref$openTrigger === void 0 |
| 101 |
? "data-micromodal-trigger" |
| 102 |
: _ref$openTrigger, |
| 103 |
_ref$closeTrigger = _ref.closeTrigger, |
| 104 |
closeTrigger = |
| 105 |
_ref$closeTrigger === void 0 |
| 106 |
? "data-micromodal-close" |
| 107 |
: _ref$closeTrigger, |
| 108 |
_ref$openClass = _ref.openClass, |
| 109 |
openClass = _ref$openClass === void 0 ? "is-open" : _ref$openClass, |
| 110 |
_ref$disableScroll = _ref.disableScroll, |
| 111 |
disableScroll = |
| 112 |
_ref$disableScroll === void 0 ? false : _ref$disableScroll, |
| 113 |
_ref$disableFocus = _ref.disableFocus, |
| 114 |
disableFocus = |
| 115 |
_ref$disableFocus === void 0 ? false : _ref$disableFocus, |
| 116 |
_ref$awaitCloseAnimat = _ref.awaitCloseAnimation, |
| 117 |
awaitCloseAnimation = |
| 118 |
_ref$awaitCloseAnimat === void 0 ? false : _ref$awaitCloseAnimat, |
| 119 |
_ref$awaitOpenAnimati = _ref.awaitOpenAnimation, |
| 120 |
awaitOpenAnimation = |
| 121 |
_ref$awaitOpenAnimati === void 0 ? false : _ref$awaitOpenAnimati, |
| 122 |
_ref$debugMode = _ref.debugMode, |
| 123 |
debugMode = _ref$debugMode === void 0 ? false : _ref$debugMode; |
| 124 |
|
| 125 |
_classCallCheck(this, Modal); |
| 126 |
|
| 127 |
// Save a reference of the modal |
| 128 |
this.modal = document.getElementById(targetModal); // Save a reference to the passed config |
| 129 |
|
| 130 |
this.config = { |
| 131 |
debugMode: debugMode, |
| 132 |
disableScroll: disableScroll, |
| 133 |
openTrigger: openTrigger, |
| 134 |
closeTrigger: closeTrigger, |
| 135 |
openClass: openClass, |
| 136 |
onShow: onShow, |
| 137 |
onClose: onClose, |
| 138 |
awaitCloseAnimation: awaitCloseAnimation, |
| 139 |
awaitOpenAnimation: awaitOpenAnimation, |
| 140 |
disableFocus: disableFocus, |
| 141 |
}; // Register click events only if pre binding eventListeners |
| 142 |
|
| 143 |
if (triggers.length > 0) |
| 144 |
this.registerTriggers.apply(this, _toConsumableArray(triggers)); // pre bind functions for event listeners |
| 145 |
|
| 146 |
this.onClick = this.onClick.bind(this); |
| 147 |
this.onKeydown = this.onKeydown.bind(this); |
| 148 |
} |
| 149 |
/** |
| 150 |
* Loops through all openTriggers and binds click event |
| 151 |
* @param {array} triggers [Array of node elements] |
| 152 |
* @return {void} |
| 153 |
*/ |
| 154 |
|
| 155 |
_createClass(Modal, [ |
| 156 |
{ |
| 157 |
key: "registerTriggers", |
| 158 |
value: function registerTriggers() { |
| 159 |
var _this = this; |
| 160 |
|
| 161 |
for ( |
| 162 |
var _len = arguments.length, triggers = new Array(_len), _key = 0; |
| 163 |
_key < _len; |
| 164 |
_key++ |
| 165 |
) { |
| 166 |
triggers[_key] = arguments[_key]; |
| 167 |
} |
| 168 |
|
| 169 |
triggers.filter(Boolean).forEach(function (trigger) { |
| 170 |
trigger.addEventListener("click", function (event) { |
| 171 |
return _this.showModal(event); |
| 172 |
}); |
| 173 |
}); |
| 174 |
}, |
| 175 |
}, |
| 176 |
{ |
| 177 |
key: "showModal", |
| 178 |
value: function showModal() { |
| 179 |
var _this2 = this; |
| 180 |
|
| 181 |
var event = |
| 182 |
arguments.length > 0 && arguments[0] !== undefined |
| 183 |
? arguments[0] |
| 184 |
: null; |
| 185 |
this.activeElement = document.activeElement; |
| 186 |
this.modal.setAttribute("aria-hidden", "false"); |
| 187 |
this.modal.classList.add(this.config.openClass); |
| 188 |
this.scrollBehaviour("disable"); |
| 189 |
this.addEventListeners(); |
| 190 |
|
| 191 |
if (this.config.awaitOpenAnimation) { |
| 192 |
var handler = function handler() { |
| 193 |
_this2.modal.removeEventListener( |
| 194 |
"animationend", |
| 195 |
handler, |
| 196 |
false |
| 197 |
); |
| 198 |
|
| 199 |
_this2.setFocusToFirstNode(); |
| 200 |
}; |
| 201 |
|
| 202 |
this.modal.addEventListener("animationend", handler, false); |
| 203 |
} else { |
| 204 |
this.setFocusToFirstNode(); |
| 205 |
} |
| 206 |
|
| 207 |
this.config.onShow(this.modal, this.activeElement, event); |
| 208 |
}, |
| 209 |
}, |
| 210 |
{ |
| 211 |
key: "closeModal", |
| 212 |
value: function closeModal() { |
| 213 |
var event = |
| 214 |
arguments.length > 0 && arguments[0] !== undefined |
| 215 |
? arguments[0] |
| 216 |
: null; |
| 217 |
var modal = this.modal; |
| 218 |
this.modal.setAttribute("aria-hidden", "true"); |
| 219 |
this.removeEventListeners(); |
| 220 |
this.scrollBehaviour("enable"); |
| 221 |
|
| 222 |
if (this.activeElement && this.activeElement.focus) { |
| 223 |
this.activeElement.focus(); |
| 224 |
} |
| 225 |
|
| 226 |
this.config.onClose(this.modal, this.activeElement, event); |
| 227 |
|
| 228 |
if (this.config.awaitCloseAnimation) { |
| 229 |
var openClass = this.config.openClass; // <- old school ftw |
| 230 |
|
| 231 |
this.modal.addEventListener( |
| 232 |
"animationend", |
| 233 |
function handler() { |
| 234 |
modal.classList.remove(openClass); |
| 235 |
modal.removeEventListener("animationend", handler, false); |
| 236 |
}, |
| 237 |
false |
| 238 |
); |
| 239 |
} else { |
| 240 |
modal.classList.remove(this.config.openClass); |
| 241 |
} |
| 242 |
}, |
| 243 |
}, |
| 244 |
{ |
| 245 |
key: "closeModalById", |
| 246 |
value: function closeModalById(targetModal) { |
| 247 |
this.modal = document.getElementById(targetModal); |
| 248 |
if (this.modal) this.closeModal(); |
| 249 |
}, |
| 250 |
}, |
| 251 |
{ |
| 252 |
key: "scrollBehaviour", |
| 253 |
value: function scrollBehaviour(toggle) { |
| 254 |
if (!this.config.disableScroll) return; |
| 255 |
var body = document.querySelector("body"); |
| 256 |
|
| 257 |
switch (toggle) { |
| 258 |
case "enable": |
| 259 |
Object.assign(body.style, { |
| 260 |
overflow: "", |
| 261 |
}); |
| 262 |
break; |
| 263 |
|
| 264 |
case "disable": |
| 265 |
Object.assign(body.style, { |
| 266 |
overflow: "hidden", |
| 267 |
}); |
| 268 |
break; |
| 269 |
} |
| 270 |
}, |
| 271 |
}, |
| 272 |
{ |
| 273 |
key: "addEventListeners", |
| 274 |
value: function addEventListeners() { |
| 275 |
this.modal.addEventListener("touchstart", this.onClick); |
| 276 |
this.modal.addEventListener("click", this.onClick); |
| 277 |
document.addEventListener("keydown", this.onKeydown); |
| 278 |
}, |
| 279 |
}, |
| 280 |
{ |
| 281 |
key: "removeEventListeners", |
| 282 |
value: function removeEventListeners() { |
| 283 |
this.modal.removeEventListener("touchstart", this.onClick); |
| 284 |
this.modal.removeEventListener("click", this.onClick); |
| 285 |
document.removeEventListener("keydown", this.onKeydown); |
| 286 |
}, |
| 287 |
}, |
| 288 |
{ |
| 289 |
key: "onClick", |
| 290 |
value: function onClick(event) { |
| 291 |
if (event.target.hasAttribute(this.config.closeTrigger)) { |
| 292 |
this.closeModal(event); |
| 293 |
} |
| 294 |
}, |
| 295 |
}, |
| 296 |
{ |
| 297 |
key: "onKeydown", |
| 298 |
value: function onKeydown(event) { |
| 299 |
if (event.keyCode === 27) this.closeModal(event); // esc |
| 300 |
|
| 301 |
if (event.keyCode === 9) this.retainFocus(event); // tab |
| 302 |
}, |
| 303 |
}, |
| 304 |
{ |
| 305 |
key: "getFocusableNodes", |
| 306 |
value: function getFocusableNodes() { |
| 307 |
var nodes = this.modal.querySelectorAll(FOCUSABLE_ELEMENTS); |
| 308 |
return Array.apply(void 0, _toConsumableArray(nodes)); |
| 309 |
}, |
| 310 |
/** |
| 311 |
* Tries to set focus on a node which is not a close trigger |
| 312 |
* if no other nodes exist then focuses on first close trigger |
| 313 |
*/ |
| 314 |
}, |
| 315 |
{ |
| 316 |
key: "setFocusToFirstNode", |
| 317 |
value: function setFocusToFirstNode() { |
| 318 |
var _this3 = this; |
| 319 |
|
| 320 |
if (this.config.disableFocus) return; |
| 321 |
var focusableNodes = this.getFocusableNodes(); // no focusable nodes |
| 322 |
|
| 323 |
if (focusableNodes.length === 0) return; // remove nodes on whose click, the modal closes |
| 324 |
// could not think of a better name :( |
| 325 |
|
| 326 |
var nodesWhichAreNotCloseTargets = focusableNodes.filter(function ( |
| 327 |
node |
| 328 |
) { |
| 329 |
return !node.hasAttribute(_this3.config.closeTrigger); |
| 330 |
}); |
| 331 |
if (nodesWhichAreNotCloseTargets.length > 0) |
| 332 |
nodesWhichAreNotCloseTargets[0].focus(); |
| 333 |
if (nodesWhichAreNotCloseTargets.length === 0) |
| 334 |
focusableNodes[0].focus(); |
| 335 |
}, |
| 336 |
}, |
| 337 |
{ |
| 338 |
key: "retainFocus", |
| 339 |
value: function retainFocus(event) { |
| 340 |
var focusableNodes = this.getFocusableNodes(); // no focusable nodes |
| 341 |
|
| 342 |
if (focusableNodes.length === 0) return; |
| 343 |
/** |
| 344 |
* Filters nodes which are hidden to prevent |
| 345 |
* focus leak outside modal |
| 346 |
*/ |
| 347 |
|
| 348 |
focusableNodes = focusableNodes.filter(function (node) { |
| 349 |
return node.offsetParent !== null; |
| 350 |
}); // if disableFocus is true |
| 351 |
|
| 352 |
if (!this.modal.contains(document.activeElement)) { |
| 353 |
focusableNodes[0].focus(); |
| 354 |
} else { |
| 355 |
var focusedItemIndex = focusableNodes.indexOf( |
| 356 |
document.activeElement |
| 357 |
); |
| 358 |
|
| 359 |
if (event.shiftKey && focusedItemIndex === 0) { |
| 360 |
focusableNodes[focusableNodes.length - 1].focus(); |
| 361 |
event.preventDefault(); |
| 362 |
} |
| 363 |
|
| 364 |
if ( |
| 365 |
!event.shiftKey && |
| 366 |
focusableNodes.length > 0 && |
| 367 |
focusedItemIndex === focusableNodes.length - 1 |
| 368 |
) { |
| 369 |
focusableNodes[0].focus(); |
| 370 |
event.preventDefault(); |
| 371 |
} |
| 372 |
} |
| 373 |
}, |
| 374 |
}, |
| 375 |
]); |
| 376 |
|
| 377 |
return Modal; |
| 378 |
})(); |
| 379 |
/** |
| 380 |
* Modal prototype ends. |
| 381 |
* Here on code is responsible for detecting and |
| 382 |
* auto binding event handlers on modal triggers |
| 383 |
*/ |
| 384 |
// Keep a reference to the opened modal |
| 385 |
|
| 386 |
var activeModal = null; |
| 387 |
/** |
| 388 |
* Generates an associative array of modals and it's |
| 389 |
* respective triggers |
| 390 |
* @param {array} triggers An array of all triggers |
| 391 |
* @param {string} triggerAttr The data-attribute which triggers the module |
| 392 |
* @return {array} |
| 393 |
*/ |
| 394 |
|
| 395 |
var generateTriggerMap = function generateTriggerMap( |
| 396 |
triggers, |
| 397 |
triggerAttr |
| 398 |
) { |
| 399 |
var triggerMap = []; |
| 400 |
triggers.forEach(function (trigger) { |
| 401 |
var targetModal = trigger.attributes[triggerAttr].value; |
| 402 |
if (triggerMap[targetModal] === undefined) triggerMap[targetModal] = []; |
| 403 |
triggerMap[targetModal].push(trigger); |
| 404 |
}); |
| 405 |
return triggerMap; |
| 406 |
}; |
| 407 |
/** |
| 408 |
* Validates whether a modal of the given id exists |
| 409 |
* in the DOM |
| 410 |
* @param {number} id The id of the modal |
| 411 |
* @return {boolean} |
| 412 |
*/ |
| 413 |
|
| 414 |
var validateModalPresence = function validateModalPresence(id) { |
| 415 |
if (!document.getElementById(id)) { |
| 416 |
console.warn( |
| 417 |
"MicroModal: \u2757Seems like you have missed %c'".concat(id, "'"), |
| 418 |
"background-color: #f8f9fa;color: #50596c;font-weight: bold;", |
| 419 |
"ID somewhere in your code. Refer example below to resolve it." |
| 420 |
); |
| 421 |
console.warn( |
| 422 |
"%cExample:", |
| 423 |
"background-color: #f8f9fa;color: #50596c;font-weight: bold;", |
| 424 |
'<div class="modal" id="'.concat(id, '"></div>') |
| 425 |
); |
| 426 |
return false; |
| 427 |
} |
| 428 |
}; |
| 429 |
/** |
| 430 |
* Validates if there are modal triggers present |
| 431 |
* in the DOM |
| 432 |
* @param {array} triggers An array of data-triggers |
| 433 |
* @return {boolean} |
| 434 |
*/ |
| 435 |
|
| 436 |
var validateTriggerPresence = function validateTriggerPresence(triggers) { |
| 437 |
if (triggers.length <= 0) { |
| 438 |
console.warn( |
| 439 |
"MicroModal: \u2757Please specify at least one %c'micromodal-trigger'", |
| 440 |
"background-color: #f8f9fa;color: #50596c;font-weight: bold;", |
| 441 |
"data attribute." |
| 442 |
); |
| 443 |
console.warn( |
| 444 |
"%cExample:", |
| 445 |
"background-color: #f8f9fa;color: #50596c;font-weight: bold;", |
| 446 |
'<a href="#" data-micromodal-trigger="my-modal"></a>' |
| 447 |
); |
| 448 |
return false; |
| 449 |
} |
| 450 |
}; |
| 451 |
/** |
| 452 |
* Checks if triggers and their corresponding modals |
| 453 |
* are present in the DOM |
| 454 |
* @param {array} triggers Array of DOM nodes which have data-triggers |
| 455 |
* @param {array} triggerMap Associative array of modals and their triggers |
| 456 |
* @return {boolean} |
| 457 |
*/ |
| 458 |
|
| 459 |
var validateArgs = function validateArgs(triggers, triggerMap) { |
| 460 |
validateTriggerPresence(triggers); |
| 461 |
if (!triggerMap) return true; |
| 462 |
|
| 463 |
for (var id in triggerMap) { |
| 464 |
validateModalPresence(id); |
| 465 |
} |
| 466 |
|
| 467 |
return true; |
| 468 |
}; |
| 469 |
/** |
| 470 |
* Binds click handlers to all modal triggers |
| 471 |
* @param {object} config [description] |
| 472 |
* @return void |
| 473 |
*/ |
| 474 |
|
| 475 |
var init = function init(config) { |
| 476 |
// Create an config object with default openTrigger |
| 477 |
var options = Object.assign( |
| 478 |
{}, |
| 479 |
{ |
| 480 |
openTrigger: "data-micromodal-trigger", |
| 481 |
}, |
| 482 |
config |
| 483 |
); // Collects all the nodes with the trigger |
| 484 |
|
| 485 |
var triggers = _toConsumableArray( |
| 486 |
document.querySelectorAll("[".concat(options.openTrigger, "]")) |
| 487 |
); // Makes a mappings of modals with their trigger nodes |
| 488 |
|
| 489 |
var triggerMap = generateTriggerMap(triggers, options.openTrigger); // Checks if modals and triggers exist in dom |
| 490 |
|
| 491 |
if ( |
| 492 |
options.debugMode === true && |
| 493 |
validateArgs(triggers, triggerMap) === false |
| 494 |
) |
| 495 |
return; // For every target modal creates a new instance |
| 496 |
|
| 497 |
for (var key in triggerMap) { |
| 498 |
var value = triggerMap[key]; |
| 499 |
options.targetModal = key; |
| 500 |
options.triggers = _toConsumableArray(value); |
| 501 |
activeModal = new Modal(options); // eslint-disable-line no-new |
| 502 |
} |
| 503 |
}; |
| 504 |
/** |
| 505 |
* Shows a particular modal |
| 506 |
* @param {string} targetModal [The id of the modal to display] |
| 507 |
* @param {object} config [The configuration object to pass] |
| 508 |
* @return {void} |
| 509 |
*/ |
| 510 |
|
| 511 |
var show = function show(targetModal, config) { |
| 512 |
var options = config || {}; |
| 513 |
options.targetModal = targetModal; // Checks if modals and triggers exist in dom |
| 514 |
|
| 515 |
if ( |
| 516 |
options.debugMode === true && |
| 517 |
validateModalPresence(targetModal) === false |
| 518 |
) |
| 519 |
return; // clear events in case previous modal wasn't close |
| 520 |
|
| 521 |
if (activeModal) activeModal.removeEventListeners(); // stores reference to active modal |
| 522 |
|
| 523 |
activeModal = new Modal(options); // eslint-disable-line no-new |
| 524 |
|
| 525 |
activeModal.showModal(); |
| 526 |
}; |
| 527 |
/** |
| 528 |
* Closes the active modal |
| 529 |
* @param {string} targetModal [The id of the modal to close] |
| 530 |
* @return {void} |
| 531 |
*/ |
| 532 |
|
| 533 |
var close = function close(targetModal) { |
| 534 |
targetModal |
| 535 |
? activeModal.closeModalById(targetModal) |
| 536 |
: activeModal.closeModal(); |
| 537 |
}; |
| 538 |
|
| 539 |
return { |
| 540 |
init: init, |
| 541 |
show: show, |
| 542 |
close: close, |
| 543 |
}; |
| 544 |
})(); |
| 545 |
window.MicroModal = MicroModal; |
| 546 |
|
| 547 |
return MicroModal; |
| 548 |
}); |
| 549 |
|
