1033 lines
No EOL
36 KiB
JavaScript
Executable file
1033 lines
No EOL
36 KiB
JavaScript
Executable file
/*!
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* Name : Just Another Parallax [Jarallax]
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* Version : 1.12.4
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* Author : nK <https://nkdev.info>
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* GitHub : https://github.com/nk-o/jarallax
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*/
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/******/ (function(modules) { // webpackBootstrap
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/******/ // The module cache
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/******/ var installedModules = {};
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/******/
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/
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/******/ // Check if module is in cache
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/******/ if(installedModules[moduleId]) {
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/******/ return installedModules[moduleId].exports;
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/******/ }
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/******/ // Create a new module (and put it into the cache)
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/******/ var module = installedModules[moduleId] = {
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/******/ i: moduleId,
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/******/ l: false,
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/******/ exports: {}
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/******/ };
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/******/
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/******/ // Execute the module function
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/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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/******/
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/******/ // Flag the module as loaded
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/******/ module.l = true;
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/******/
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/******/ // Return the exports of the module
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/******/ return module.exports;
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/******/ }
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/******/
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/******/
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/******/ // expose the modules object (__webpack_modules__)
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/******/ __webpack_require__.m = modules;
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/******/
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/******/ // expose the module cache
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/******/ __webpack_require__.c = installedModules;
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/******/
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/******/ // define getter function for harmony exports
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/******/ __webpack_require__.d = function(exports, name, getter) {
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/******/ if(!__webpack_require__.o(exports, name)) {
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/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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/******/ }
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/******/ };
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/******/
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/******/ // define __esModule on exports
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/******/ __webpack_require__.r = function(exports) {
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/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ }
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/******/ Object.defineProperty(exports, '__esModule', { value: true });
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/******/ };
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/******/
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/******/ // create a fake namespace object
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/******/ // mode & 1: value is a module id, require it
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/******/ // mode & 2: merge all properties of value into the ns
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/******/ // mode & 4: return value when already ns object
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/******/ // mode & 8|1: behave like require
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/******/ __webpack_require__.t = function(value, mode) {
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/******/ if(mode & 1) value = __webpack_require__(value);
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/******/ if(mode & 8) return value;
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/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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/******/ var ns = Object.create(null);
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/******/ __webpack_require__.r(ns);
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/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
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/******/ return ns;
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/******/ };
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/******/
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/******/ // getDefaultExport function for compatibility with non-harmony modules
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/******/ __webpack_require__.n = function(module) {
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/******/ var getter = module && module.__esModule ?
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/******/ function getDefault() { return module['default']; } :
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/******/ function getModuleExports() { return module; };
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/******/ __webpack_require__.d(getter, 'a', getter);
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/******/ return getter;
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/******/ };
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/******/
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/******/ // Object.prototype.hasOwnProperty.call
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/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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/******/
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/******/ // __webpack_public_path__
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/******/ __webpack_require__.p = "";
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/******/
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/******/
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/******/ // Load entry module and return exports
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/******/ return __webpack_require__(__webpack_require__.s = 10);
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/******/ })
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/************************************************************************/
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/******/ ([
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/* 0 */,
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/* 1 */,
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/* 2 */
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/***/ (function(module, exports) {
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module.exports = function (callback) {
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if (document.readyState === 'complete' || document.readyState === 'interactive') {
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// Already ready or interactive, execute callback
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callback.call();
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} else if (document.attachEvent) {
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// Old browsers
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document.attachEvent('onreadystatechange', function () {
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if (document.readyState === 'interactive') callback.call();
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});
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} else if (document.addEventListener) {
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// Modern browsers
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document.addEventListener('DOMContentLoaded', callback);
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}
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};
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/***/ }),
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/* 3 */
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/***/ (function(module, exports, __webpack_require__) {
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/* WEBPACK VAR INJECTION */(function(global) {var win;
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if (typeof window !== "undefined") {
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win = window;
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} else if (typeof global !== "undefined") {
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win = global;
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} else if (typeof self !== "undefined") {
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win = self;
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} else {
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win = {};
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}
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module.exports = win;
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/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(4)))
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/***/ }),
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/* 4 */
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/***/ (function(module, exports) {
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function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
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var g; // This works in non-strict mode
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g = function () {
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return this;
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}();
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try {
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// This works if eval is allowed (see CSP)
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g = g || new Function("return this")();
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} catch (e) {
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// This works if the window reference is available
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if ((typeof window === "undefined" ? "undefined" : _typeof(window)) === "object") g = window;
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} // g can still be undefined, but nothing to do about it...
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// We return undefined, instead of nothing here, so it's
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// easier to handle this case. if(!global) { ...}
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module.exports = g;
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/***/ }),
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/* 5 */,
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/* 6 */,
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/* 7 */,
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/* 8 */,
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/* 9 */,
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/* 10 */
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/***/ (function(module, exports, __webpack_require__) {
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module.exports = __webpack_require__(11);
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/***/ }),
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/* 11 */
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/***/ (function(module, __webpack_exports__, __webpack_require__) {
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"use strict";
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__webpack_require__.r(__webpack_exports__);
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/* harmony import */ var lite_ready__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(2);
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/* harmony import */ var lite_ready__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(lite_ready__WEBPACK_IMPORTED_MODULE_0__);
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/* harmony import */ var global__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(3);
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/* harmony import */ var global__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(global__WEBPACK_IMPORTED_MODULE_1__);
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/* harmony import */ var _jarallax_esm__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(12);
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function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
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// no conflict
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var oldPlugin = global__WEBPACK_IMPORTED_MODULE_1__["window"].jarallax;
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global__WEBPACK_IMPORTED_MODULE_1__["window"].jarallax = _jarallax_esm__WEBPACK_IMPORTED_MODULE_2__["default"];
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global__WEBPACK_IMPORTED_MODULE_1__["window"].jarallax.noConflict = function () {
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global__WEBPACK_IMPORTED_MODULE_1__["window"].jarallax = oldPlugin;
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return this;
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}; // jQuery support
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if ('undefined' !== typeof global__WEBPACK_IMPORTED_MODULE_1__["jQuery"]) {
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var jQueryPlugin = function jQueryPlugin() {
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for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
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args[_key] = arguments[_key];
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}
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Array.prototype.unshift.call(args, this);
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var res = _jarallax_esm__WEBPACK_IMPORTED_MODULE_2__["default"].apply(global__WEBPACK_IMPORTED_MODULE_1__["window"], args);
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return 'object' !== _typeof(res) ? res : this;
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};
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jQueryPlugin.constructor = _jarallax_esm__WEBPACK_IMPORTED_MODULE_2__["default"].constructor; // no conflict
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var oldJqPlugin = global__WEBPACK_IMPORTED_MODULE_1__["jQuery"].fn.jarallax;
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global__WEBPACK_IMPORTED_MODULE_1__["jQuery"].fn.jarallax = jQueryPlugin;
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global__WEBPACK_IMPORTED_MODULE_1__["jQuery"].fn.jarallax.noConflict = function () {
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global__WEBPACK_IMPORTED_MODULE_1__["jQuery"].fn.jarallax = oldJqPlugin;
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return this;
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};
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} // data-jarallax initialization
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lite_ready__WEBPACK_IMPORTED_MODULE_0___default()(function () {
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Object(_jarallax_esm__WEBPACK_IMPORTED_MODULE_2__["default"])(document.querySelectorAll('[data-jarallax]'));
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});
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/***/ }),
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/* 12 */
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/***/ (function(module, __webpack_exports__, __webpack_require__) {
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"use strict";
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__webpack_require__.r(__webpack_exports__);
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/* harmony import */ var lite_ready__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(2);
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/* harmony import */ var lite_ready__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(lite_ready__WEBPACK_IMPORTED_MODULE_0__);
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/* harmony import */ var global__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(3);
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/* harmony import */ var global__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(global__WEBPACK_IMPORTED_MODULE_1__);
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function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
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function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
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function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
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function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
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function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; 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"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
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function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
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function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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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); } }
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
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var navigator = global__WEBPACK_IMPORTED_MODULE_1__["window"].navigator;
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var isIE = -1 < navigator.userAgent.indexOf('MSIE ') || -1 < navigator.userAgent.indexOf('Trident/') || -1 < navigator.userAgent.indexOf('Edge/');
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var isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
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var supportTransform = function () {
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var prefixes = 'transform WebkitTransform MozTransform'.split(' ');
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var div = document.createElement('div');
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for (var i = 0; i < prefixes.length; i += 1) {
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if (div && div.style[prefixes[i]] !== undefined) {
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return prefixes[i];
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}
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}
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return false;
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}();
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var $deviceHelper;
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/**
|
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* The most popular mobile browsers changes height after page scroll and this generates image jumping.
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* We can fix it using this workaround with vh units.
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*/
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function getDeviceHeight() {
|
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if (!$deviceHelper && document.body) {
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$deviceHelper = document.createElement('div');
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$deviceHelper.style.cssText = 'position: fixed; top: -9999px; left: 0; height: 100vh; width: 0;';
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document.body.appendChild($deviceHelper);
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}
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return ($deviceHelper ? $deviceHelper.clientHeight : 0) || global__WEBPACK_IMPORTED_MODULE_1__["window"].innerHeight || document.documentElement.clientHeight;
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} // Window height data
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var wndH;
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function updateWndVars() {
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if (isMobile) {
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wndH = getDeviceHeight();
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} else {
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wndH = global__WEBPACK_IMPORTED_MODULE_1__["window"].innerHeight || document.documentElement.clientHeight;
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}
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}
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updateWndVars();
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global__WEBPACK_IMPORTED_MODULE_1__["window"].addEventListener('resize', updateWndVars);
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global__WEBPACK_IMPORTED_MODULE_1__["window"].addEventListener('orientationchange', updateWndVars);
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global__WEBPACK_IMPORTED_MODULE_1__["window"].addEventListener('load', updateWndVars);
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lite_ready__WEBPACK_IMPORTED_MODULE_0___default()(function () {
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updateWndVars({
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type: 'dom-loaded'
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});
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}); // list with all jarallax instances
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// need to render all in one scroll/resize event
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var jarallaxList = []; // get all parents of the element.
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function getParents(elem) {
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var parents = [];
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while (null !== elem.parentElement) {
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elem = elem.parentElement;
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if (1 === elem.nodeType) {
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parents.push(elem);
|
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}
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}
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return parents;
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}
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function updateParallax() {
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if (!jarallaxList.length) {
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return;
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}
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jarallaxList.forEach(function (data, k) {
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var instance = data.instance,
|
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oldData = data.oldData;
|
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var clientRect = instance.$item.getBoundingClientRect();
|
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var newData = {
|
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width: clientRect.width,
|
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height: clientRect.height,
|
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top: clientRect.top,
|
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bottom: clientRect.bottom,
|
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wndW: global__WEBPACK_IMPORTED_MODULE_1__["window"].innerWidth,
|
|
wndH: wndH
|
|
};
|
|
var isResized = !oldData || oldData.wndW !== newData.wndW || oldData.wndH !== newData.wndH || oldData.width !== newData.width || oldData.height !== newData.height;
|
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var isScrolled = isResized || !oldData || oldData.top !== newData.top || oldData.bottom !== newData.bottom;
|
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jarallaxList[k].oldData = newData;
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if (isResized) {
|
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instance.onResize();
|
|
}
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|
|
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if (isScrolled) {
|
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instance.onScroll();
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|
}
|
|
});
|
|
global__WEBPACK_IMPORTED_MODULE_1__["window"].requestAnimationFrame(updateParallax);
|
|
}
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|
|
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var instanceID = 0; // Jarallax class
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|
|
|
var Jarallax = /*#__PURE__*/function () {
|
|
function Jarallax(item, userOptions) {
|
|
_classCallCheck(this, Jarallax);
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|
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var self = this;
|
|
self.instanceID = instanceID;
|
|
instanceID += 1;
|
|
self.$item = item;
|
|
self.defaults = {
|
|
type: 'scroll',
|
|
// type of parallax: scroll, scale, opacity, scale-opacity, scroll-opacity
|
|
speed: 0.5,
|
|
// supported value from -1 to 2
|
|
imgSrc: null,
|
|
imgElement: '.jarallax-img',
|
|
imgSize: 'cover',
|
|
imgPosition: '50% 50%',
|
|
imgRepeat: 'no-repeat',
|
|
// supported only for background, not for <img> tag
|
|
keepImg: false,
|
|
// keep <img> tag in it's default place
|
|
elementInViewport: null,
|
|
zIndex: -100,
|
|
disableParallax: false,
|
|
disableVideo: false,
|
|
// video
|
|
videoSrc: null,
|
|
videoStartTime: 0,
|
|
videoEndTime: 0,
|
|
videoVolume: 0,
|
|
videoLoop: true,
|
|
videoPlayOnlyVisible: true,
|
|
videoLazyLoading: true,
|
|
// events
|
|
onScroll: null,
|
|
// function(calculations) {}
|
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onInit: null,
|
|
// function() {}
|
|
onDestroy: null,
|
|
// function() {}
|
|
onCoverImage: null // function() {}
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|
|
}; // prepare data-options
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|
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|
var dataOptions = self.$item.dataset || {};
|
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var pureDataOptions = {};
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Object.keys(dataOptions).forEach(function (key) {
|
|
var loweCaseOption = key.substr(0, 1).toLowerCase() + key.substr(1);
|
|
|
|
if (loweCaseOption && 'undefined' !== typeof self.defaults[loweCaseOption]) {
|
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pureDataOptions[loweCaseOption] = dataOptions[key];
|
|
}
|
|
});
|
|
self.options = self.extend({}, self.defaults, pureDataOptions, userOptions);
|
|
self.pureOptions = self.extend({}, self.options); // prepare 'true' and 'false' strings to boolean
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|
|
|
Object.keys(self.options).forEach(function (key) {
|
|
if ('true' === self.options[key]) {
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|
self.options[key] = true;
|
|
} else if ('false' === self.options[key]) {
|
|
self.options[key] = false;
|
|
}
|
|
}); // fix speed option [-1.0, 2.0]
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|
|
self.options.speed = Math.min(2, Math.max(-1, parseFloat(self.options.speed))); // prepare disableParallax callback
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|
|
|
if ('string' === typeof self.options.disableParallax) {
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|
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 ('function' !== typeof self.options.disableParallax) {
|
|
self.options.disableParallax = function () {
|
|
return false;
|
|
};
|
|
} // prepare disableVideo callback
|
|
|
|
|
|
if ('string' === typeof self.options.disableVideo) {
|
|
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 ('function' !== typeof self.options.disableVideo) {
|
|
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 && 'object' === _typeof(elementInVP) && 'undefined' !== typeof elementInVP.length) {
|
|
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
|
|
// eslint-disable-next-line class-methods-use-this
|
|
|
|
|
|
_createClass(Jarallax, [{
|
|
key: "css",
|
|
value: function css(el, styles) {
|
|
if ('string' === typeof styles) {
|
|
return global__WEBPACK_IMPORTED_MODULE_1__["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
|
|
// eslint-disable-next-line class-methods-use-this
|
|
|
|
}, {
|
|
key: "extend",
|
|
value: function extend(out) {
|
|
for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
|
args[_key - 1] = arguments[_key];
|
|
}
|
|
|
|
out = out || {};
|
|
Object.keys(args).forEach(function (i) {
|
|
if (!args[i]) {
|
|
return;
|
|
}
|
|
|
|
Object.keys(args[i]).forEach(function (key) {
|
|
out[key] = args[i][key];
|
|
});
|
|
});
|
|
return out;
|
|
} // get window size and scroll position. Useful for extensions
|
|
// eslint-disable-next-line class-methods-use-this
|
|
|
|
}, {
|
|
key: "getWindowData",
|
|
value: function getWindowData() {
|
|
return {
|
|
width: global__WEBPACK_IMPORTED_MODULE_1__["window"].innerWidth || document.documentElement.clientWidth,
|
|
height: wndH,
|
|
y: document.documentElement.scrollTop
|
|
};
|
|
} // Jarallax functions
|
|
|
|
}, {
|
|
key: "initImg",
|
|
value: function initImg() {
|
|
var self = this; // find image element
|
|
|
|
var $imgElement = self.options.imgElement;
|
|
|
|
if ($imgElement && 'string' === typeof $imgElement) {
|
|
$imgElement = self.$item.querySelector($imgElement);
|
|
} // check if dom element
|
|
|
|
|
|
if (!($imgElement instanceof Element)) {
|
|
if (self.options.imgSrc) {
|
|
$imgElement = new Image();
|
|
$imgElement.src = self.options.imgSrc;
|
|
} else {
|
|
$imgElement = null;
|
|
}
|
|
}
|
|
|
|
if ($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 (null === self.image.src) {
|
|
self.image.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
|
|
self.image.bgImage = self.css(self.$item, 'background-image');
|
|
}
|
|
|
|
return !(!self.image.bgImage || 'none' === self.image.bgImage);
|
|
}
|
|
}, {
|
|
key: "canInitParallax",
|
|
value: function canInitParallax() {
|
|
return supportTransform && !this.options.disableParallax();
|
|
}
|
|
}, {
|
|
key: "init",
|
|
value: function init() {
|
|
var self = this;
|
|
var containerStyles = {
|
|
position: 'absolute',
|
|
top: 0,
|
|
left: 0,
|
|
width: '100%',
|
|
height: '100%',
|
|
overflow: 'hidden'
|
|
};
|
|
var imageStyles = {
|
|
pointerEvents: 'none',
|
|
transformStyle: 'preserve-3d',
|
|
backfaceVisibility: 'hidden',
|
|
willChange: 'transform,opacity'
|
|
};
|
|
|
|
if (!self.options.keepImg) {
|
|
// save default user styles
|
|
var curStyle = self.$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.$item.setAttribute('data-jarallax-original-styles', curImgStyle);
|
|
}
|
|
}
|
|
} // set relative position and z-index to the parent
|
|
|
|
|
|
if ('static' === self.css(self.$item, 'position')) {
|
|
self.css(self.$item, {
|
|
position: 'relative'
|
|
});
|
|
}
|
|
|
|
if ('auto' === self.css(self.$item, 'z-index')) {
|
|
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-".concat(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: ".concat(self.options.imgSize, "; object-position: ").concat(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': self.image.bgImage || "url(\"".concat(self.image.src, "\")")
|
|
}, containerStyles, imageStyles);
|
|
}
|
|
}
|
|
|
|
if ('opacity' === self.options.type || 'scale' === self.options.type || 'scale-opacity' === self.options.type || 1 === self.options.speed) {
|
|
self.image.position = 'absolute';
|
|
} // 1. 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
|
|
// 2. Check if parents have overflow scroll
|
|
|
|
|
|
if ('fixed' === self.image.position) {
|
|
var $parents = getParents(self.$item).filter(function (el) {
|
|
var styles = global__WEBPACK_IMPORTED_MODULE_1__["window"].getComputedStyle(el);
|
|
var parentTransform = styles['-webkit-transform'] || styles['-moz-transform'] || styles.transform;
|
|
var overflowRegex = /(auto|scroll)/;
|
|
return parentTransform && 'none' !== parentTransform || overflowRegex.test(styles.overflow + styles['overflow-y'] + styles['overflow-x']);
|
|
});
|
|
self.image.position = $parents.length ? 'absolute' : 'fixed';
|
|
} // add position to parallax block
|
|
|
|
|
|
imageStyles.position = self.image.position; // insert parallax image
|
|
|
|
self.css(self.image.$item, imageStyles);
|
|
self.image.$container.appendChild(self.image.$item); // set initial position and size
|
|
|
|
self.onResize();
|
|
self.onScroll(true); // call onInit event
|
|
|
|
if (self.options.onInit) {
|
|
self.options.onInit.call(self);
|
|
} // remove default user background
|
|
|
|
|
|
if ('none' !== self.css(self.$item, 'background-image')) {
|
|
self.css(self.$item, {
|
|
'background-image': 'none'
|
|
});
|
|
}
|
|
|
|
self.addToParallaxList();
|
|
} // add to parallax instances list
|
|
|
|
}, {
|
|
key: "addToParallaxList",
|
|
value: function addToParallaxList() {
|
|
jarallaxList.push({
|
|
instance: this
|
|
});
|
|
|
|
if (1 === jarallaxList.length) {
|
|
global__WEBPACK_IMPORTED_MODULE_1__["window"].requestAnimationFrame(updateParallax);
|
|
}
|
|
} // remove from parallax instances list
|
|
|
|
}, {
|
|
key: "removeFromParallaxList",
|
|
value: function removeFromParallaxList() {
|
|
var self = this;
|
|
jarallaxList.forEach(function (data, key) {
|
|
if (data.instance.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 ('fixed' !== this.image.position) {
|
|
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.$clipStyles.setAttribute('id', "jarallax-clip-".concat(self.instanceID));
|
|
var head = document.head || document.getElementsByTagName('head')[0];
|
|
head.appendChild(self.$clipStyles);
|
|
} // clip is used for old browsers.
|
|
// clip-path for modern browsers (also fixes Safari v14 bug https://github.com/nk-o/jarallax/issues/181 ).
|
|
|
|
|
|
var styles = "#jarallax-container-".concat(self.instanceID, " {\n clip: rect(0 ").concat(width, "px ").concat(height, "px 0);\n clip: rect(0, ").concat(width, "px, ").concat(height, "px, 0);\n -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);\n clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);\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 = 'scroll' === self.options.type || 'scroll-opacity' === self.options.type;
|
|
var scrollDist = 0;
|
|
var resultH = contH;
|
|
var resultMT = 0; // scroll parallax
|
|
|
|
if (isScroll) {
|
|
// scroll distance and height for image
|
|
if (0 > speed) {
|
|
scrollDist = speed * Math.max(contH, wndH);
|
|
|
|
if (wndH < contH) {
|
|
scrollDist -= speed * (contH - wndH);
|
|
}
|
|
} else {
|
|
scrollDist = speed * (contH + wndH);
|
|
} // size for scroll parallax
|
|
|
|
|
|
if (1 < speed) {
|
|
resultH = Math.abs(scrollDist - wndH);
|
|
} else if (0 > speed) {
|
|
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.$item, {
|
|
height: "".concat(resultH, "px"),
|
|
marginTop: "".concat(resultMT, "px"),
|
|
left: 'fixed' === self.image.position ? "".concat(rect.left, "px") : '0',
|
|
width: "".concat(rect.width, "px")
|
|
}); // call onCoverImage event
|
|
|
|
if (self.options.onCoverImage) {
|
|
self.options.onCoverImage.call(self);
|
|
} // return some useful data. Used in the video cover function
|
|
|
|
|
|
return {
|
|
image: {
|
|
height: resultH,
|
|
marginTop: resultMT
|
|
},
|
|
container: rect
|
|
};
|
|
}
|
|
}, {
|
|
key: "isVisible",
|
|
value: function isVisible() {
|
|
return this.isElementInViewport || false;
|
|
}
|
|
}, {
|
|
key: "onScroll",
|
|
value: function onScroll(force) {
|
|
var self = this;
|
|
var rect = self.$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 = 0 <= viewportRect.bottom && 0 <= viewportRect.right && viewportRect.top <= wndH && viewportRect.left <= global__WEBPACK_IMPORTED_MODULE_1__["window"].innerWidth; // 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 ('opacity' === self.options.type || 'scale-opacity' === self.options.type || 'scroll-opacity' === self.options.type) {
|
|
styles.transform = 'translate3d(0,0,0)';
|
|
styles.opacity = visiblePercent;
|
|
} // scale
|
|
|
|
|
|
if ('scale' === self.options.type || 'scale-opacity' === self.options.type) {
|
|
var scale = 1;
|
|
|
|
if (0 > self.options.speed) {
|
|
scale -= self.options.speed * visiblePercent;
|
|
} else {
|
|
scale += self.options.speed * (1 - visiblePercent);
|
|
}
|
|
|
|
styles.transform = "scale(".concat(scale, ") translate3d(0,0,0)");
|
|
} // scroll
|
|
|
|
|
|
if ('scroll' === self.options.type || 'scroll-opacity' === self.options.type) {
|
|
var positionY = self.parallaxScrollDistance * fromViewportCenter; // fix if parallax block in absolute position
|
|
|
|
if ('absolute' === self.image.position) {
|
|
positionY -= contT;
|
|
}
|
|
|
|
styles.transform = "translate3d(0,".concat(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, options) {
|
|
// 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 ('object' === (typeof HTMLElement === "undefined" ? "undefined" : _typeof(HTMLElement)) ? items instanceof HTMLElement : items && 'object' === _typeof(items) && null !== items && 1 === items.nodeType && 'string' === typeof items.nodeName) {
|
|
items = [items];
|
|
}
|
|
|
|
var len = items.length;
|
|
var k = 0;
|
|
var ret;
|
|
|
|
for (var _len2 = arguments.length, args = new Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
|
|
args[_key2 - 2] = arguments[_key2];
|
|
}
|
|
|
|
for (k; k < len; k += 1) {
|
|
if ('object' === _typeof(options) || 'undefined' === typeof options) {
|
|
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 ('undefined' !== typeof ret) {
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return items;
|
|
};
|
|
|
|
plugin.constructor = Jarallax;
|
|
/* harmony default export */ __webpack_exports__["default"] = (plugin);
|
|
|
|
/***/ })
|
|
/******/ ]); |