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/*!
* Name : Just Another Parallax [Jarallax]
* Version : 1.10.7
* Author : nK <https://nkdev.info>
* GitHub : https://github.com/nk-o/jarallax
*/
/******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ }
/******/ };
/******/
/******/ // define __esModule on exports
/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/
/******/ // create a fake namespace object
/******/ // mode & 1: value is a module id, require it
/******/ // mode & 2: merge all properties of value into the ns
/******/ // mode & 4: return value when already ns object
/******/ // mode & 8|1: behave like require
/******/ __webpack_require__.t = function(value, mode) {
/******/ if(mode & 1) value = __webpack_require__(value);
/******/ if(mode & 8) return value;
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ var ns = Object.create(null);
/******/ __webpack_require__.r(ns);
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ return ns;
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/
/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 11);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */,
/* 1 */,
/* 2 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
module.exports = function (callback) {
if (document.readyState === 'complete' || document.readyState === 'interactive') {
// Already ready or interactive, execute callback
callback.call();
} else if (document.attachEvent) {
// Old browsers
document.attachEvent('onreadystatechange', function () {
if (document.readyState === 'interactive') callback.call();
});
} else if (document.addEventListener) {
// Modern browsers
document.addEventListener('DOMContentLoaded', callback);
}
};
/***/ }),
/* 3 */,
/* 4 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
/* WEBPACK VAR INJECTION */(function(global) {
var win;
if (typeof window !== "undefined") {
win = window;
} else if (typeof global !== "undefined") {
win = global;
} else if (typeof self !== "undefined") {
win = self;
} else {
win = {};
}
module.exports = win;
/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(5)))
/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var g;
// This works in non-strict mode
g = function () {
return this;
}();
try {
// This works if eval is allowed (see CSP)
g = g || Function("return this")() || (1, eval)("this");
} catch (e) {
// This works if the window reference is available
if ((typeof window === "undefined" ? "undefined" : _typeof(window)) === "object") g = window;
}
// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}
module.exports = g;
/***/ }),
/* 6 */,
/* 7 */,
/* 8 */,
/* 9 */,
/* 10 */,
/* 11 */
/***/ (function(module, exports, __webpack_require__) {
module.exports = __webpack_require__(12);
/***/ }),
/* 12 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var _liteReady = __webpack_require__(2);
var _liteReady2 = _interopRequireDefault(_liteReady);
var _global = __webpack_require__(4);
var _jarallax = __webpack_require__(13);
var _jarallax2 = _interopRequireDefault(_jarallax);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
// no conflict
var oldPlugin = _global.window.jarallax;
_global.window.jarallax = _jarallax2.default;
_global.window.jarallax.noConflict = function () {
_global.window.jarallax = oldPlugin;
return this;
};
// jQuery support
if (typeof _global.jQuery !== 'undefined') {
var jQueryPlugin = function jQueryPlugin() {
var args = arguments || [];
Array.prototype.unshift.call(args, this);
var res = _jarallax2.default.apply(_global.window, args);
return (typeof res === 'undefined' ? 'undefined' : _typeof(res)) !== 'object' ? res : this;
};
jQueryPlugin.constructor = _jarallax2.default.constructor;
// no conflict
var oldJqPlugin = _global.jQuery.fn.jarallax;
_global.jQuery.fn.jarallax = jQueryPlugin;
_global.jQuery.fn.jarallax.noConflict = function () {
_global.jQuery.fn.jarallax = oldJqPlugin;
return this;
};
}
// data-jarallax initialization
(0, _liteReady2.default)(function () {
(0, _jarallax2.default)(document.querySelectorAll('[data-jarallax]'));
});
/***/ }),
/* 13 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
/* WEBPACK VAR INJECTION */(function(global) {
Object.defineProperty(exports, "__esModule", {
value: true
});
var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var _liteReady = __webpack_require__(2);
var _liteReady2 = _interopRequireDefault(_liteReady);
var _rafl = __webpack_require__(14);
var _rafl2 = _interopRequireDefault(_rafl);
var _global = __webpack_require__(4);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var isIE = navigator.userAgent.indexOf('MSIE ') > -1 || navigator.userAgent.indexOf('Trident/') > -1 || navigator.userAgent.indexOf('Edge/') > -1;
var supportTransform = function () {
var prefixes = 'transform WebkitTransform MozTransform'.split(' ');
var div = document.createElement('div');
for (var i = 0; i < prefixes.length; i++) {
if (div && div.style[prefixes[i]] !== undefined) {
return prefixes[i];
}
}
return false;
}();
// Window data
var wndW = void 0;
var wndH = void 0;
var wndY = void 0;
var forceResizeParallax = false;
var forceScrollParallax = false;
function updateWndVars(e) {
wndW = _global.window.innerWidth || document.documentElement.clientWidth;
wndH = _global.window.innerHeight || document.documentElement.clientHeight;
if ((typeof e === 'undefined' ? 'undefined' : _typeof(e)) === 'object' && (e.type === 'load' || e.type === 'dom-loaded')) {
forceResizeParallax = true;
}
}
updateWndVars();
_global.window.addEventListener('resize', updateWndVars);
_global.window.addEventListener('orientationchange', updateWndVars);
_global.window.addEventListener('load', updateWndVars);
(0, _liteReady2.default)(function () {
updateWndVars({
type: 'dom-loaded'
});
});
// list with all jarallax instances
// need to render all in one scroll/resize event
var jarallaxList = [];
// Animate if changed window size or scrolled page
var oldPageData = false;
function updateParallax() {
if (!jarallaxList.length) {
return;
}
if (_global.window.pageYOffset !== undefined) {
wndY = _global.window.pageYOffset;
} else {
wndY = (document.documentElement || document.body.parentNode || document.body).scrollTop;
}
var isResized = forceResizeParallax || !oldPageData || oldPageData.width !== wndW || oldPageData.height !== wndH;
var isScrolled = forceScrollParallax || isResized || !oldPageData || oldPageData.y !== wndY;
forceResizeParallax = false;
forceScrollParallax = false;
if (isResized || isScrolled) {
jarallaxList.forEach(function (item) {
if (isResized) {
item.onResize();
}
if (isScrolled) {
item.onScroll();
}
});
oldPageData = {
width: wndW,
height: wndH,
y: wndY
};
}
(0, _rafl2.default)(updateParallax);
}
// ResizeObserver
var resizeObserver = global.ResizeObserver ? new global.ResizeObserver(function (entry) {
if (entry && entry.length) {
(0, _rafl2.default)(function () {
entry.forEach(function (item) {
if (item.target && item.target.jarallax) {
if (!forceResizeParallax) {
item.target.jarallax.onResize();
}
forceScrollParallax = true;
}
});
});
}
}) : false;
var instanceID = 0;
// Jarallax class
var Jarallax = function () {
function Jarallax(item, userOptions) {
_classCallCheck(this, Jarallax);
var self = this;
self.instanceID = instanceID++;
self.$item = item;
self.defaults = {
type: 'scroll', // type of parallax: scroll, scale, opacity, scale-opacity, scroll-opacity
speed: 0.5, // supported value from -1 to 2
imgSrc: null,
imgElement: '.jarallax-img',
imgSize: 'cover',
imgPosition: '50% 50%',
imgRepeat: 'no-repeat', // supported only for background, not for <img> tag
keepImg: false, // keep <img> tag in it's default place
elementInViewport: null,
zIndex: -100,
disableParallax: false,
disableVideo: false,
automaticResize: true, // use ResizeObserver to recalculate position and size of parallax image
// video
videoSrc: null,
videoStartTime: 0,
videoEndTime: 0,
videoVolume: 0,
videoLoop: true,
videoPlayOnlyVisible: true,
// events
onScroll: null, // function(calculations) {}
onInit: null, // function() {}
onDestroy: null, // function() {}
onCoverImage: null // function() {}
};
// DEPRECATED: old data-options
var deprecatedDataAttribute = self.$item.getAttribute('data-jarallax');
var oldDataOptions = JSON.parse(deprecatedDataAttribute || '{}');
if (deprecatedDataAttribute) {
// eslint-disable-next-line no-console
console.warn('Detected usage of deprecated data-jarallax JSON options, you should use pure data-attribute options. See info here - https://github.com/nk-o/jarallax/issues/53');
}
// prepare data-options
var dataOptions = self.$item.dataset || {};
var pureDataOptions = {};
Object.keys(dataOptions).forEach(function (key) {
var loweCaseOption = key.substr(0, 1).toLowerCase() + key.substr(1);
if (loweCaseOption && typeof self.defaults[loweCaseOption] !== 'undefined') {
pureDataOptions[loweCaseOption] = dataOptions[key];
}
});
self.options = self.extend({}, self.defaults, oldDataOptions, pureDataOptions, userOptions);
self.pureOptions = self.extend({}, self.options);
// prepare 'true' and 'false' strings to boolean
Object.keys(self.options).forEach(function (key) {
if (self.options[key] === 'true') {
self.options[key] = true;
} else if (self.options[key] === 'false') {
self.options[key] = false;
}
});
// fix speed option [-1.0, 2.0]
self.options.speed = Math.min(2, Math.max(-1, parseFloat(self.options.speed)));
// deprecated noAndroid and noIos options
if (self.options.noAndroid || self.options.noIos) {
// eslint-disable-next-line no-console
console.warn('Detected usage of deprecated noAndroid or noIos options, you should use disableParallax option. See info here - https://github.com/nk-o/jarallax/#disable-on-mobile-devices');
// prepare fallback if disableParallax option is not used
if (!self.options.disableParallax) {
if (self.options.noIos && self.options.noAndroid) {
self.options.disableParallax = /iPad|iPhone|iPod|Android/;
} else if (self.options.noIos) {
self.options.disableParallax = /iPad|iPhone|iPod/;
} else if (self.options.noAndroid) {
self.options.disableParallax = /Android/;
}
}
}
// prepare disableParallax callback
if (typeof self.options.disableParallax === 'string') {
self.options.disableParallax = new RegExp(self.options.disableParallax);
}
if (self.options.disableParallax instanceof RegExp) {
var disableParallaxRegexp = self.options.disableParallax;
self.options.disableParallax = function () {
return disableParallaxRegexp.test(navigator.userAgent);
};
}
if (typeof self.options.disableParallax !== 'function') {
self.options.disableParallax = function () {
return false;
};
}
// prepare disableVideo callback
if (typeof self.options.disableVideo === 'string') {
self.options.disableVideo = new RegExp(self.options.disableVideo);
}
if (self.options.disableVideo instanceof RegExp) {
var disableVideoRegexp = self.options.disableVideo;
self.options.disableVideo = function () {
return disableVideoRegexp.test(navigator.userAgent);
};
}
if (typeof self.options.disableVideo !== 'function') {
self.options.disableVideo = function () {
return false;
};
}
// custom element to check if parallax in viewport
var elementInVP = self.options.elementInViewport;
// get first item from array
if (elementInVP && (typeof elementInVP === 'undefined' ? 'undefined' : _typeof(elementInVP)) === 'object' && typeof elementInVP.length !== 'undefined') {
var _elementInVP = elementInVP;
var _elementInVP2 = _slicedToArray(_elementInVP, 1);
elementInVP = _elementInVP2[0];
}
// check if dom element
if (!(elementInVP instanceof Element)) {
elementInVP = null;
}
self.options.elementInViewport = elementInVP;
self.image = {
src: self.options.imgSrc || null,
$container: null,
useImgTag: false,
// position fixed is needed for the most of browsers because absolute position have glitches
// on MacOS with smooth scroll there is a huge lags with absolute position - https://github.com/nk-o/jarallax/issues/75
// on mobile devices better scrolled with absolute position
position: /iPad|iPhone|iPod|Android/.test(navigator.userAgent) ? 'absolute' : 'fixed'
};
if (self.initImg() && self.canInitParallax()) {
self.init();
}
}
// add styles to element
_createClass(Jarallax, [{
key: 'css',
value: function css(el, styles) {
if (typeof styles === 'string') {
return _global.window.getComputedStyle(el).getPropertyValue(styles);
}
// add transform property with vendor prefix
if (styles.transform && supportTransform) {
styles[supportTransform] = styles.transform;
}
Object.keys(styles).forEach(function (key) {
el.style[key] = styles[key];
});
return el;
}
// Extend like jQuery.extend
}, {
key: 'extend',
value: function extend(out) {
var _arguments = arguments;
out = out || {};
Object.keys(arguments).forEach(function (i) {
if (!_arguments[i]) {
return;
}
Object.keys(_arguments[i]).forEach(function (key) {
out[key] = _arguments[i][key];
});
});
return out;
}
// get window size and scroll position. Useful for extensions
}, {
key: 'getWindowData',
value: function getWindowData() {
return {
width: wndW,
height: wndH,
y: wndY
};
}
// Jarallax functions
}, {
key: 'initImg',
value: function initImg() {
var self = this;
// find image element
var $imgElement = self.options.imgElement;
if ($imgElement && typeof $imgElement === 'string') {
$imgElement = self.$item.querySelector($imgElement);
}
// check if dom element
if (!($imgElement instanceof Element)) {
$imgElement = null;
}
if ($imgElement) {
if (self.options.keepImg) {
self.image.$item = $imgElement.cloneNode(true);
} else {
self.image.$item = $imgElement;
self.image.$itemParent = $imgElement.parentNode;
}
self.image.useImgTag = true;
}
// true if there is img tag
if (self.image.$item) {
return true;
}
// get image src
if (self.image.src === null) {
self.image.src = self.css(self.$item, 'background-image').replace(/^url\(['"]?/g, '').replace(/['"]?\)$/g, '');
}
return !(!self.image.src || self.image.src === 'none');
}
}, {
key: 'canInitParallax',
value: function canInitParallax() {
return supportTransform && !this.options.disableParallax();
}
}, {
key: 'init',
value: function init() {
var self = this;
var containerStyles = {
position: 'absolute',
top: 0,
left: 0,
width: '100%',
height: '100%',
overflow: 'hidden',
pointerEvents: 'none'
};
var imageStyles = {};
if (!self.options.keepImg) {
// save default user styles
var curStyle = self.$item.getAttribute('style');
if (curStyle) {
self.$item.setAttribute('data-jarallax-original-styles', curStyle);
}
if (self.image.useImgTag) {
var curImgStyle = self.image.$item.getAttribute('style');
if (curImgStyle) {
self.image.$item.setAttribute('data-jarallax-original-styles', curImgStyle);
}
}
}
// set relative position and z-index to the parent
if (self.css(self.$item, 'position') === 'static') {
self.css(self.$item, {
position: 'relative'
});
}
if (self.css(self.$item, 'z-index') === 'auto') {
self.css(self.$item, {
zIndex: 0
});
}
// container for parallax image
self.image.$container = document.createElement('div');
self.css(self.image.$container, containerStyles);
self.css(self.image.$container, {
'z-index': self.options.zIndex
});
// fix for IE https://github.com/nk-o/jarallax/issues/110
if (isIE) {
self.css(self.image.$container, {
opacity: 0.9999
});
}
self.image.$container.setAttribute('id', 'jarallax-container-' + self.instanceID);
self.$item.appendChild(self.image.$container);
// use img tag
if (self.image.useImgTag) {
imageStyles = self.extend({
'object-fit': self.options.imgSize,
'object-position': self.options.imgPosition,
// support for plugin https://github.com/bfred-it/object-fit-images
'font-family': 'object-fit: ' + self.options.imgSize + '; object-position: ' + self.options.imgPosition + ';',
'max-width': 'none'
}, containerStyles, imageStyles);
// use div with background image
} else {
self.image.$item = document.createElement('div');
if (self.image.src) {
imageStyles = self.extend({
'background-position': self.options.imgPosition,
'background-size': self.options.imgSize,
'background-repeat': self.options.imgRepeat,
'background-image': 'url("' + self.image.src + '")'
}, containerStyles, imageStyles);
}
}
if (self.options.type === 'opacity' || self.options.type === 'scale' || self.options.type === 'scale-opacity' || self.options.speed === 1) {
self.image.position = 'absolute';
}
// check if one of parents have transform style (without this check, scroll transform will be inverted if used parallax with position fixed)
// discussion - https://github.com/nk-o/jarallax/issues/9
if (self.image.position === 'fixed') {
var parentWithTransform = 0;
var $itemParents = self.$item;
while ($itemParents !== null && $itemParents !== document && parentWithTransform === 0) {
var parentTransform = self.css($itemParents, '-webkit-transform') || self.css($itemParents, '-moz-transform') || self.css($itemParents, 'transform');
if (parentTransform && parentTransform !== 'none') {
parentWithTransform = 1;
self.image.position = 'absolute';
}
$itemParents = $itemParents.parentNode;
}
}
// add position to parallax block
imageStyles.position = self.image.position;
// insert parallax image
self.css(self.image.$item, imageStyles);
self.image.$container.appendChild(self.image.$item);
// set initial position and size
self.onResize();
self.onScroll(true);
// ResizeObserver
if (self.options.automaticResize && resizeObserver) {
resizeObserver.observe(self.$item);
}
// call onInit event
if (self.options.onInit) {
self.options.onInit.call(self);
}
// remove default user background
if (self.css(self.$item, 'background-image') !== 'none') {
self.css(self.$item, {
'background-image': 'none'
});
}
self.addToParallaxList();
}
// add to parallax instances list
}, {
key: 'addToParallaxList',
value: function addToParallaxList() {
jarallaxList.push(this);
if (jarallaxList.length === 1) {
updateParallax();
}
}
// remove from parallax instances list
}, {
key: 'removeFromParallaxList',
value: function removeFromParallaxList() {
var self = this;
jarallaxList.forEach(function (item, key) {
if (item.instanceID === self.instanceID) {
jarallaxList.splice(key, 1);
}
});
}
}, {
key: 'destroy',
value: function destroy() {
var self = this;
self.removeFromParallaxList();
// return styles on container as before jarallax init
var originalStylesTag = self.$item.getAttribute('data-jarallax-original-styles');
self.$item.removeAttribute('data-jarallax-original-styles');
// null occurs if there is no style tag before jarallax init
if (!originalStylesTag) {
self.$item.removeAttribute('style');
} else {
self.$item.setAttribute('style', originalStylesTag);
}
if (self.image.useImgTag) {
// return styles on img tag as before jarallax init
var originalStylesImgTag = self.image.$item.getAttribute('data-jarallax-original-styles');
self.image.$item.removeAttribute('data-jarallax-original-styles');
// null occurs if there is no style tag before jarallax init
if (!originalStylesImgTag) {
self.image.$item.removeAttribute('style');
} else {
self.image.$item.setAttribute('style', originalStylesTag);
}
// move img tag to its default position
if (self.image.$itemParent) {
self.image.$itemParent.appendChild(self.image.$item);
}
}
// remove additional dom elements
if (self.$clipStyles) {
self.$clipStyles.parentNode.removeChild(self.$clipStyles);
}
if (self.image.$container) {
self.image.$container.parentNode.removeChild(self.image.$container);
}
// call onDestroy event
if (self.options.onDestroy) {
self.options.onDestroy.call(self);
}
// delete jarallax from item
delete self.$item.jarallax;
}
// it will remove some image overlapping
// overlapping occur due to an image position fixed inside absolute position element
}, {
key: 'clipContainer',
value: function clipContainer() {
// needed only when background in fixed position
if (this.image.position !== 'fixed') {
return;
}
var self = this;
var rect = self.image.$container.getBoundingClientRect();
var width = rect.width,
height = rect.height;
if (!self.$clipStyles) {
self.$clipStyles = document.createElement('style');
self.$clipStyles.setAttribute('type', 'text/css');
self.$clipStyles.setAttribute('id', 'jarallax-clip-' + self.instanceID);
var head = document.head || document.getElementsByTagName('head')[0];
head.appendChild(self.$clipStyles);
}
var styles = '#jarallax-container-' + self.instanceID + ' {\n clip: rect(0 ' + width + 'px ' + height + 'px 0);\n clip: rect(0, ' + width + 'px, ' + height + 'px, 0);\n }';
// add clip styles inline (this method need for support IE8 and less browsers)
if (self.$clipStyles.styleSheet) {
self.$clipStyles.styleSheet.cssText = styles;
} else {
self.$clipStyles.innerHTML = styles;
}
}
}, {
key: 'coverImage',
value: function coverImage() {
var self = this;
var rect = self.image.$container.getBoundingClientRect();
var contH = rect.height;
var speed = self.options.speed;
var isScroll = self.options.type === 'scroll' || self.options.type === 'scroll-opacity';
var scrollDist = 0;
var resultH = contH;
var resultMT = 0;
// scroll parallax
if (isScroll) {
// scroll distance and height for image
if (speed < 0) {
scrollDist = speed * Math.max(contH, wndH);
if (wndH < contH) {
scrollDist -= speed * (contH - wndH);
}
} else {
scrollDist = speed * (contH + wndH);
}
// size for scroll parallax
if (speed > 1) {
resultH = Math.abs(scrollDist - wndH);
} else if (speed < 0) {
resultH = scrollDist / speed + Math.abs(scrollDist);
} else {
resultH += (wndH - contH) * (1 - speed);
}
scrollDist /= 2;
}
// store scroll distance
self.parallaxScrollDistance = scrollDist;
// vertical center
if (isScroll) {
resultMT = (wndH - resultH) / 2;
} else {
resultMT = (contH - resultH) / 2;
}
// apply result to item
self.css(self.image.$item, {
height: resultH + 'px',
marginTop: resultMT + 'px',
left: self.image.position === 'fixed' ? rect.left + 'px' : '0',
width: rect.width + 'px'
});
// call onCoverImage event
if (self.options.onCoverImage) {
self.options.onCoverImage.call(self);
}
// return some useful data. Used in the video cover function
return {
image: {
height: resultH,
marginTop: resultMT
},
container: rect
};
}
}, {
key: 'isVisible',
value: function isVisible() {
return this.isElementInViewport || false;
}
}, {
key: 'onScroll',
value: function onScroll(force) {
var self = this;
var rect = self.$item.getBoundingClientRect();
var contT = rect.top;
var contH = rect.height;
var styles = {};
// check if in viewport
var viewportRect = rect;
if (self.options.elementInViewport) {
viewportRect = self.options.elementInViewport.getBoundingClientRect();
}
self.isElementInViewport = viewportRect.bottom >= 0 && viewportRect.right >= 0 && viewportRect.top <= wndH && viewportRect.left <= wndW;
// stop calculations if item is not in viewport
if (force ? false : !self.isElementInViewport) {
return;
}
// calculate parallax helping variables
var beforeTop = Math.max(0, contT);
var beforeTopEnd = Math.max(0, contH + contT);
var afterTop = Math.max(0, -contT);
var beforeBottom = Math.max(0, contT + contH - wndH);
var beforeBottomEnd = Math.max(0, contH - (contT + contH - wndH));
var afterBottom = Math.max(0, -contT + wndH - contH);
var fromViewportCenter = 1 - 2 * (wndH - contT) / (wndH + contH);
// calculate on how percent of section is visible
var visiblePercent = 1;
if (contH < wndH) {
visiblePercent = 1 - (afterTop || beforeBottom) / contH;
} else if (beforeTopEnd <= wndH) {
visiblePercent = beforeTopEnd / wndH;
} else if (beforeBottomEnd <= wndH) {
visiblePercent = beforeBottomEnd / wndH;
}
// opacity
if (self.options.type === 'opacity' || self.options.type === 'scale-opacity' || self.options.type === 'scroll-opacity') {
styles.transform = 'translate3d(0,0,0)';
styles.opacity = visiblePercent;
}
// scale
if (self.options.type === 'scale' || self.options.type === 'scale-opacity') {
var scale = 1;
if (self.options.speed < 0) {
scale -= self.options.speed * visiblePercent;
} else {
scale += self.options.speed * (1 - visiblePercent);
}
styles.transform = 'scale(' + scale + ') translate3d(0,0,0)';
}
// scroll
if (self.options.type === 'scroll' || self.options.type === 'scroll-opacity') {
var positionY = self.parallaxScrollDistance * fromViewportCenter;
// fix if parallax block in absolute position
if (self.image.position === 'absolute') {
positionY -= contT;
}
styles.transform = 'translate3d(0,' + positionY + 'px,0)';
}
self.css(self.image.$item, styles);
// call onScroll event
if (self.options.onScroll) {
self.options.onScroll.call(self, {
section: rect,
beforeTop: beforeTop,
beforeTopEnd: beforeTopEnd,
afterTop: afterTop,
beforeBottom: beforeBottom,
beforeBottomEnd: beforeBottomEnd,
afterBottom: afterBottom,
visiblePercent: visiblePercent,
fromViewportCenter: fromViewportCenter
});
}
}
}, {
key: 'onResize',
value: function onResize() {
this.coverImage();
this.clipContainer();
}
}]);
return Jarallax;
}();
// global definition
var plugin = function plugin(items) {
// check for dom element
// thanks: http://stackoverflow.com/questions/384286/javascript-isdom-how-do-you-check-if-a-javascript-object-is-a-dom-object
if ((typeof HTMLElement === 'undefined' ? 'undefined' : _typeof(HTMLElement)) === 'object' ? items instanceof HTMLElement : items && (typeof items === 'undefined' ? 'undefined' : _typeof(items)) === 'object' && items !== null && items.nodeType === 1 && typeof items.nodeName === 'string') {
items = [items];
}
var options = arguments[1];
var args = Array.prototype.slice.call(arguments, 2);
var len = items.length;
var k = 0;
var ret = void 0;
for (k; k < len; k++) {
if ((typeof options === 'undefined' ? 'undefined' : _typeof(options)) === 'object' || typeof options === 'undefined') {
if (!items[k].jarallax) {
items[k].jarallax = new Jarallax(items[k], options);
}
} else if (items[k].jarallax) {
// eslint-disable-next-line prefer-spread
ret = items[k].jarallax[options].apply(items[k].jarallax, args);
}
if (typeof ret !== 'undefined') {
return ret;
}
}
return items;
};
plugin.constructor = Jarallax;
exports.default = plugin;
/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(5)))
/***/ }),
/* 14 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var global = __webpack_require__(4);
/**
* `requestAnimationFrame()`
*/
var request = global.requestAnimationFrame || global.webkitRequestAnimationFrame || global.mozRequestAnimationFrame || fallback;
var prev = +new Date();
function fallback(fn) {
var curr = +new Date();
var ms = Math.max(0, 16 - (curr - prev));
var req = setTimeout(fn, ms);
return prev = curr, req;
}
/**
* `cancelAnimationFrame()`
*/
var cancel = global.cancelAnimationFrame || global.webkitCancelAnimationFrame || global.mozCancelAnimationFrame || clearTimeout;
if (Function.prototype.bind) {
request = request.bind(global);
cancel = cancel.bind(global);
}
exports = module.exports = request;
exports.cancel = cancel;
/***/ })
/******/ ]);