44 lines
8.2 KiB
JavaScript
44 lines
8.2 KiB
JavaScript
/*! verlok/lazyload 12.4.0 https://github.com/verlok/lazyload */
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function _toConsumableArray(t){return _arrayWithoutHoles(t)||_iterableToArray(t)||_nonIterableSpread()}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance")}function _iterableToArray(t){if(Symbol.iterator in Object(t)||"[object Arguments]"===Object.prototype.toString.call(t))return Array.from(t)}function _arrayWithoutHoles(t){if(Array.isArray(t)){for(var e=0,n=new Array(t.length);e<t.length;e++)n[e]=t[e];return n}}function _extends(){return(_extends=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var r in n)Object.prototype.hasOwnProperty.call(n,r)&&(t[r]=n[r])}return t}).apply(this,arguments)}function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}!function(t,e){"object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.LazyLoad=e()}(this,function(){"use strict";var t="undefined"!=typeof window,e=t&&!("onscroll"in window)||"undefined"!=typeof navigator&&/(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent),n=t&&"IntersectionObserver"in window,r=t&&"classList"in document.createElement("p"),o={elements_selector:"img",container:e||t?document:null,threshold:300,thresholds:null,data_src:"src",data_srcset:"srcset",data_sizes:"sizes",data_bg:"bg",data_poster:"poster",class_loading:"loading",class_loaded:"loaded",class_error:"error",load_delay:0,auto_unobserve:!0,callback_enter:null,callback_exit:null,callback_reveal:null,callback_loaded:null,callback_error:null,callback_finish:null,use_native:!1},a=function(t,e){var n,r=new t(e);try{n=new CustomEvent("LazyLoad::Initialized",{detail:{instance:r}})}catch(t){(n=document.createEvent("CustomEvent")).initCustomEvent("LazyLoad::Initialized",!1,!1,{instance:r})}window.dispatchEvent(n)};var i=function(t,e){return t.getAttribute("data-"+e)},s=function(t,e,n){var r="data-"+e;null!==n?t.setAttribute(r,n):t.removeAttribute(r)},c=function(t){return"true"===i(t,"was-processed")},l=function(t,e){return s(t,"ll-timeout",e)},u=function(t){return i(t,"ll-timeout")},d=function(t,e,n,r){t&&(void 0===r?void 0===n?t(e):t(e,n):t(e,n,r))},f=function(t,e){t._loadingCount+=e,0===t._elements.length&&0===t._loadingCount&&d(t._settings.callback_finish,t)},_=function(t){for(var e,n=[],r=0;e=t.children[r];r+=1)"SOURCE"===e.tagName&&n.push(e);return n},v=function(t,e,n){n&&t.setAttribute(e,n)},b=function(t,e){v(t,"sizes",i(t,e.data_sizes)),v(t,"srcset",i(t,e.data_srcset)),v(t,"src",i(t,e.data_src))},m={IMG:function(t,e){var n=t.parentNode;n&&"PICTURE"===n.tagName&&_(n).forEach(function(t){b(t,e)});b(t,e)},IFRAME:function(t,e){v(t,"src",i(t,e.data_src))},VIDEO:function(t,e){_(t).forEach(function(t){v(t,"src",i(t,e.data_src))}),v(t,"poster",i(t,e.data_poster)),v(t,"src",i(t,e.data_src)),t.load()}},p=function(t,e){var n,r,o=e._settings,a=t.tagName,s=m[a];if(s)return s(t,o),f(e,1),void(e._elements=(n=e._elements,r=t,n.filter(function(t){return t!==r})));!function(t,e){var n=i(t,e.data_src),r=i(t,e.data_bg);n&&(t.style.backgroundImage='url("'.concat(n,'")')),r&&(t.style.backgroundImage=r)}(t,o)},g=function(t,e){r?t.classList.add(e):t.className+=(t.className?" ":"")+e},y=function(t,e){r?t.classList.remove(e):t.className=t.className.replace(new RegExp("(^|\\s+)"+e+"(\\s+|$)")," ").replace(/^\s+/,"").replace(/\s+$/,"")},h=function(t,e,n){t.addEventListener(e,n)},E=function(t,e,n){t.removeEventListener(e,n)},w=function(t,e,n){E(t,"load",e),E(t,"loadeddata",e),E(t,"error",n)},A=function(t,e,n){var r=n._settings,o=e?r.class_loaded:r.class_error,a=e?r.callback_loaded:r.callback_error,i=t.target;y(i,r.class_loading),g(i,o),d(a,i,n),f(n,-1)},I=function(t,e){var n=function n(o){A(o,!0,e),w(t,n,r)},r=function r(o){A(o,!1,e),w(t,n,r)};!function(t,e,n){h(t,"load",e),h(t,"loadeddata",e),h(t,"error",n)}(t,n,r)},k=["IMG","IFRAME","VIDEO"],L=function(t,e){var n=e._observer;S(t,e),n&&e._settings.auto_unobserve&&n.unobserve(t)},O=function(t){var e=u(t);e&&(clearTimeout(e),l(t,null))},x=function(t,e){var n=e._settings.load_delay,r=u(t);r||(r=setTimeout(function(){L(t,e),O(t)},n),l(t,r))},S=function(t,e,n){var r=e._settings;!n&&c(t)||(k.indexOf(t.tagName)>-1&&(I(t,e),g(t,r.class_loading)),p(t,e),function(t){s(t,"was-processed","true")}(t),d(r.callback_reveal,t,e),d(r.callback_set,t,e))},z=function(t){return!!n&&(t._observer=new IntersectionObserver(function(e){e.forEach(function(e){return function(t){return t.isIntersecting||t.intersectionRatio>0}(e)?function(t,e,n){var r=n._settings;d(r.callback_enter,t,e,n),r.load_delay?x(t,n):L(t,n)}(e.target,e,t):function(t,e,n){var r=n._settings;d(r.callback_exit,t,e,n),r.load_delay&&O(t)}(e.target,e,t)})},{root:(e=t._settings).container===document?null:e.container,rootMargin:e.thresholds||e.threshold+"px"}),!0);var e},C=["IMG","IFRAME"],N=function(t,e){return function(t){return t.filter(function(t){return!c(t)})}((n=t||function(t){return t.container.querySelectorAll(t.elements_selector)}(e),Array.prototype.slice.call(n)));var n},M=function(t){var e=t._settings;_toConsumableArray(e.container.querySelectorAll("."+e.class_error)).forEach(function(t){y(t,e.class_error),function(t){s(t,"was-processed",null)}(t)}),t.update()},R=function(e,n){var r;this._settings=function(t){return _extends({},o,t)}(e),this._loadingCount=0,z(this),this.update(n),r=this,t&&window.addEventListener("online",function(t){M(r)})};return R.prototype={update:function(t){var n,r=this,o=this._settings;(this._elements=N(t,o),!e&&this._observer)?(function(t){return t.use_native&&"loading"in HTMLImageElement.prototype}(o)&&((n=this)._elements.forEach(function(t){-1!==C.indexOf(t.tagName)&&(t.setAttribute("loading","lazy"),S(t,n))}),this._elements=N(t,o)),this._elements.forEach(function(t){r._observer.observe(t)})):this.loadAll()},destroy:function(){var t=this;this._observer&&(this._elements.forEach(function(e){t._observer.unobserve(e)}),this._observer=null),this._elements=null,this._settings=null},load:function(t,e){S(t,this,e)},loadAll:function(){var t=this;this._elements.forEach(function(e){L(e,t)})}},t&&function(t,e){if(e)if(e.length)for(var n,r=0;n=e[r];r+=1)a(t,n);else a(t,e)}(R,window.lazyLoadOptions),R});
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var lazyLoadInstance = new LazyLoad({
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elements_selector: ".media-content,img[data-src]",
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//load_delay: 300
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});
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(function() {
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if (typeof window.CustomEvent === "function") return false;
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function CustomEvent(event, params) {
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params = params || { bubbles: false, cancelable: false, detail: undefined };
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var evt = document.createEvent('CustomEvent');
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evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
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return evt;
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}
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CustomEvent.prototype = window.Event.prototype;
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window.CustomEvent = CustomEvent;
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}
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)();
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(function() {
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function ajaxEventTrigger(event) {
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var ajaxEvent = new CustomEvent(event,{ detail: this });
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window.dispatchEvent(ajaxEvent);
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}
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var oldXHR = window.XMLHttpRequest;
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function newXHR() {
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var realXHR = new oldXHR();
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realXHR.addEventListener('abort', function() { ajaxEventTrigger.call(this, 'ajaxAbort'); }, false);
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realXHR.addEventListener('error', function() { ajaxEventTrigger.call(this, 'ajaxError'); }, false);
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realXHR.addEventListener('load', function() { ajaxEventTrigger.call(this, 'ajaxLoad'); }, false);
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realXHR.addEventListener('loadstart', function() { ajaxEventTrigger.call(this, 'ajaxLoadStart'); }, false);
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realXHR.addEventListener('progress', function() { ajaxEventTrigger.call(this, 'ajaxProgress'); }, false);
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realXHR.addEventListener('timeout', function() { ajaxEventTrigger.call(this, 'ajaxTimeout'); }, false);
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realXHR.addEventListener('loadend', function() { ajaxEventTrigger.call(this, 'ajaxLoadEnd'); }, false);
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realXHR.addEventListener('readystatechange', function() { ajaxEventTrigger.call(this, 'ajaxReadyStateChange'); }, false);
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return realXHR;
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}
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window.XMLHttpRequest = newXHR;
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}
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)();
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window.addEventListener('ajaxLoadEnd', function(e) {
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lazyLoadInstance.update();
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});
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