text: /*!
   * Vue-Lazyload.js v1.2.6
   * (c) 2018 Awe <hilongjw@gmail.com>
   * Released under the MIT License.
   */
  !function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.VueLazyload=e()}(this,function(){"use strict";function t(t){return t.constructor&&"function"==typeof t.constructor.isBuffer&&t.constructor.isBuffer(t)}function e(t){t=t||{};var e=arguments.length,i=0;if(1===e)return t;for(;++i<e;){var o=arguments[i];g(t)&&(t=o),r(o)&&n(t,o)}return t}function n(t,n){m(t,n);for(var o in n)if("__proto__"!==o&&i(n,o)){var a=n[o];r(a)?("undefined"===L(t[o])&&"function"===L(a)&&(t[o]=a),t[o]=e(t[o]||{},a)):t[o]=a}return t}function r(t){return"object"===L(t)||"function"===L(t)}function i(t,e){return Object.prototype.hasOwnProperty.call(t,e)}function o(t,e){if(t.length){var n=t.indexOf(e);return n>-1?t.splice(n,1):void 0}}function a(t,e){for(var n=!1,r=0,i=t.length;r<i;r++)if(e(t[r])){n=!0;break}return n}function s(t,e){if("IMG"===t.tagName&&t.getAttribute("data-srcset")){var 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window,k={event:"event",observer:"observer"},z=function(){function t(t,e){e=e||{bubbles:!1,cancelable:!1,detail:void 0};var n=document.createEvent("CustomEvent");return n.initCustomEvent(t,e.bubbles,e.cancelable,e.detail),n}if(E)return"function"==typeof window.CustomEvent?window.CustomEvent:(t.prototype=window.Event.prototype,t)}(),j=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1;return E?window.devicePixelRatio||t:t},T=function(){if(E){var t=!1;try{var e=Object.defineProperty({},"passive",{get:function(){t=!0}});window.addEventListener("test",null,e)}catch(t){}return t}}(),S={on:function(t,e,n){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];T?t.addEventListener(e,n,{capture:r,passive:!0}):t.addEventListener(e,n,r)},off:function(t,e,n){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];t.removeEventListener(e,n,r)}},I=function(t,e,n){var r=new 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y(t,[{key:"initState",value:function(){"dataset"in this.el?this.el.dataset.src=this.src:this.el.setAttribute("data-src",this.src),this.state={error:!1,loaded:!1,rendered:!1}}},{key:"record",value:function(t){this.performanceData[t]=Date.now()}},{key:"update",value:function(t){var e=t.src,n=t.loading,r=t.error,i=this.src;this.src=e,this.loading=n,this.error=r,this.filter(),i!==this.src&&(this.attempt=0,this.initState())}},{key:"getRect",value:function(){this.rect=this.el.getBoundingClientRect()}},{key:"checkInView",value:function(){return this.getRect(),this.rect.top<window.innerHeight*this.options.preLoad&&this.rect.bottom>this.options.preLoadTop&&this.rect.left<window.innerWidth*this.options.preLoad&&this.rect.right>0}},{key:"filter",value:function(){var t=this;h(this.options.filter).map(function(e){t.options.filter[e](t,t.options)})}},{key:"renderLoading",value:function(t){var e=this;I({src:this.loading},function(n){e.render("loading",!1),t()},function(){t(),e.options.silent||console.warn("VueLazyload log: load failed with loading image("+e.loading+")")})}},{key:"load",value:function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:v;return this.attempt>this.options.attempt-1&&this.state.error?(this.options.silent||console.log("VueLazyload log: "+this.src+" tried too more than "+this.options.attempt+" times"),void e()):this.state.loaded||H[this.src]?(this.state.loaded=!0,e(),this.render("loaded",!0)):void this.renderLoading(function(){t.attempt++,t.record("loadStart"),I({src:t.src},function(n){t.naturalHeight=n.naturalHeight,t.naturalWidth=n.naturalWidth,t.state.loaded=!0,t.state.error=!1,t.record("loadEnd"),t.render("loaded",!1),H[t.src]=1,e()},function(e){!t.options.silent&&console.error(e),t.state.error=!0,t.state.loaded=!1,t.render("error",!1)})})}},{key:"render",value:function(t,e){this.elRenderer(this,t,e)}},{key:"performance",value:function(){var t="loading",e=0;return this.state.loaded&&(t="loaded",e=(this.performanceData.loadEnd-this.performanceData.loadStart)/1e3),this.state.error&&(t="error"),{src:this.src,state:t,time:e}}},{key:"destroy",value:function(){this.el=null,this.src=null,this.error=null,this.loading=null,this.bindType=null,this.attempt=0}}]),t}(),C="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",R=["scroll","wheel","mousewheel","resize","animationend","transitionend","touchmove"],W={rootMargin:"0px",threshold:0},B=function(t){return function(){function e(t){var n=t.preLoad,r=t.error,i=t.throttleWait,o=t.preLoadTop,a=t.dispatchEvent,s=t.loading,u=t.attempt,c=t.silent,h=void 0===c||c,f=t.scale,v=t.listenEvents,p=(t.hasbind,t.filter),y=t.adapter,g=t.observer,m=t.observerOptions;b(this,e),this.version="1.2.6",this.mode=k.event,this.ListenerQueue=[],this.TargetIndex=0,this.TargetQueue=[],this.options={silent:h,dispatchEvent:!!a,throttleWait:i||200,preLoad:n||1.3,preLoadTop:o||0,error:r||C,loading:s||C,attempt:u||3,scale:f||j(f),ListenEvents:v||R,hasbind:!1,supportWebp:l(),filter:p||{},adapter:y||{},observer:!!g,observerOptions:m||W},this._initEvent(),this.lazyLoadHandler=d(this._lazyLoadHandler.bind(this),this.options.throttleWait),this.setMode(this.options.observer?k.observer:k.event)}return y(e,[{key:"config",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};_(this.options,t)}},{key:"performance",value:function(){var t=[];return 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i.lazyLoadHandler()})})}},{key:"update",value:function(e,n,r){var i=this,o=this._valueFormatter(n.value),a=o.src,l=o.loading,d=o.error;a=s(e,this.options.scale)||a;var c=u(this.ListenerQueue,function(t){return t.el===e});c?c.update({src:a,loading:l,error:d}):this.add(e,n,r),this._observer&&(this._observer.unobserve(e),this._observer.observe(e)),this.lazyLoadHandler(),t.nextTick(function(){return i.lazyLoadHandler()})}},{key:"remove",value:function(t){if(t){this._observer&&this._observer.unobserve(t);var e=u(this.ListenerQueue,function(e){return e.el===t});e&&(this._removeListenerTarget(e.$parent),this._removeListenerTarget(window),o(this.ListenerQueue,e)&&e.destroy())}}},{key:"removeComponent",value:function(t){t&&(o(this.ListenerQueue,t),this._observer&&this._observer.unobserve(t.el),t.$parent&&t.$el.parentNode&&this._removeListenerTarget(t.$el.parentNode),this._removeListenerTarget(window))}},{key:"setMode",value:function(t){var e=this;A||t!==k.observer||(t=k.event),this.mode=t,t===k.event?(this._observer&&(this.ListenerQueue.forEach(function(t){e._observer.unobserve(t.el)}),this._observer=null),this.TargetQueue.forEach(function(t){e._initListen(t.el,!0)})):(this.TargetQueue.forEach(function(t){e._initListen(t.el,!1)}),this._initIntersectionObserver())}},{key:"_addListenerTarget",value:function(t){if(t){var e=u(this.TargetQueue,function(e){return e.el===t});return e?e.childrenCount++:(e={el:t,id:++this.TargetIndex,childrenCount:1,listened:!0},this.mode===k.event&&this._initListen(e.el,!0),this.TargetQueue.push(e)),this.TargetIndex}}},{key:"_removeListenerTarget",value:function(t){var e=this;this.TargetQueue.forEach(function(n,r){n.el===t&&(--n.childrenCount||(e._initListen(n.el,!1),e.TargetQueue.splice(r,1),n=null))})}},{key:"_initListen",value:function(t,e){var n=this;this.options.ListenEvents.forEach(function(r){return S[e?"on":"off"](t,r,n.lazyLoadHandler)})}},{key:"_initEvent",value:function(){var t=this;this.Event={listeners:{loading:[],loaded:[],error:[]}},this.$on=function(e,n){t.Event.listeners[e]||(t.Event.listeners[e]=[]),t.Event.listeners[e].push(n)},this.$once=function(e,n){function r(){i.$off(e,r),n.apply(i,arguments)}var i=t;t.$on(e,r)},this.$off=function(e,n){if(!n){if(!t.Event.listeners[e])return;return void(t.Event.listeners[e].length=0)}o(t.Event.listeners[e],n)},this.$emit=function(e,n,r){t.Event.listeners[e]&&t.Event.listeners[e].forEach(function(t){return t(n,r)})}}},{key:"_lazyLoadHandler",value:function(){var t=this,e=[];this.ListenerQueue.forEach(function(t,n){if(!t.state.error&&t.state.loaded)return e.push(t);t.checkInView()&&t.load()}),e.forEach(function(e){return o(t.ListenerQueue,e)})}},{key:"_initIntersectionObserver",value:function(){var t=this;A&&(this._observer=new IntersectionObserver(this._observerHandler.bind(this),this.options.observerOptions),this.ListenerQueue.length&&this.ListenerQueue.forEach(function(e){t._observer.observe(e.el)}))}},{key:"_observerHandler",value:function(t,e){var n=this;t.forEach(function(t){t.isIntersecting&&n.ListenerQueue.forEach(function(e){if(e.el===t.target){if(e.state.loaded)return n._observer.unobserve(e.el);e.load()}})})}},{key:"_elRenderer",value:function(t,e,n){if(t.el){var r=t.el,i=t.bindType,o=void 0;switch(e){case"loading":o=t.loading;break;case"error":o=t.error;break;default:o=t.src}if(i?r.style[i]='url("'+o+'")':r.getAttribute("src")!==o&&r.setAttribute("src",o),r.setAttribute("lazy",e),this.$emit(e,t,n),this.options.adapter[e]&&this.options.adapter[e](t,this.options),this.options.dispatchEvent){var a=new z(e,{detail:t});r.dispatchEvent(a)}}}},{key:"_valueFormatter",value:function(t){var e=t,n=this.options.loading,r=this.options.error;return c(t)&&(t.src||this.options.silent||console.error("Vue Lazyload warning: miss src with "+t),e=t.src,n=t.loading||this.options.loading,r=t.error||this.options.error),{src:e,loading:n,error:r}}}]),e}()},D=function(t){return{props:{tag:{type:String,default:"div"}},render:function(t){return!1===this.show?t(this.tag):t(this.tag,null,this.$slots.default)},data:function(){return{el:null,state:{loaded:!1},rect:{},show:!1}},mounted:function(){this.el=this.$el,t.addLazyBox(this),t.lazyLoadHandler()},beforeDestroy:function(){t.removeComponent(this)},methods:{getRect:function(){this.rect=this.$el.getBoundingClientRect()},checkInView:function(){return this.getRect(),E&&this.rect.top<window.innerHeight*t.options.preLoad&&this.rect.bottom>0&&this.rect.left<window.innerWidth*t.options.preLoad&&this.rect.right>0},load:function(){this.show=!0,this.state.loaded=!0,this.$emit("show",this)}}}},V=function(){function t(e){var n=e.lazy;b(this,t),this.lazy=n,n.lazyContainerMananger=this,this._queue=[]}return y(t,[{key:"bind",value:function(t,e,n){var r=new N({el:t,binding:e,vnode:n,lazy:this.lazy});this._queue.push(r)}},{key:"update",value:function(t,e,n){var r=u(this._queue,function(e){return e.el===t});r&&r.update({el:t,binding:e,vnode:n})}},{key:"unbind",value:function(t,e,n){var r=u(this._queue,function(e){return e.el===t});r&&(r.clear(),o(this._queue,r))}}]),t}(),M={selector:"img"},N=function(){function t(e){var n=e.el,r=e.binding,i=e.vnode,o=e.lazy;b(this,t),this.el=null,this.vnode=i,this.binding=r,this.options={},this.lazy=o,this._queue=[],this.update({el:n,binding:r})}return y(t,[{key:"update",value:function(t){var e=this,n=t.el,r=t.binding;this.el=n,this.options=_({},M,r.value),this.getImgs().forEach(function(t){e.lazy.add(t,_({},e.binding,{value:{src:"dataset"in t?t.dataset.src:t.getAttribute("data-src"),error:"dataset"in t?t.dataset.error:t.getAttribute("data-error"),loading:"dataset"in t?t.dataset.loading:t.getAttribute("data-loading")}}),e.vnode)})}},{key:"getImgs",value:function(){return f(this.el.querySelectorAll(this.options.selector))}},{key:"clear",value:function(){var t=this;this.getImgs().forEach(function(e){return t.lazy.remove(e)}),this.vnode=null,this.binding=null,this.lazy=null}}]),t}(),P=function(t){return{props:{src:[String,Object],tag:{type:String,default:"img"}},render:function(t){return t(this.tag,{attrs:{src:this.renderSrc}},this.$slots.default)},data:function(){return{el:null,options:{src:"",error:"",loading:"",attempt:t.options.attempt},state:{loaded:!1,error:!1,attempt:0},rect:{},renderSrc:""}},watch:{src:function(){this.init(),t.addLazyBox(this),t.lazyLoadHandler()}},created:function(){this.init(),this.renderSrc=this.options.loading},mounted:function(){this.el=this.$el,t.addLazyBox(this),t.lazyLoadHandler()},beforeDestroy:function(){t.removeComponent(this)},methods:{init:function(){var e=t._valueFormatter(this.src),n=e.src,r=e.loading,i=e.error;this.state.loaded=!1,this.options.src=n,this.options.error=i,this.options.loading=r,this.renderSrc=this.options.loading},getRect:function(){this.rect=this.$el.getBoundingClientRect()},checkInView:function(){return this.getRect(),E&&this.rect.top<window.innerHeight*t.options.preLoad&&this.rect.bottom>0&&this.rect.left<window.innerWidth*t.options.preLoad&&this.rect.right>0},load:function(){var e=this,n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:v;if(this.state.attempt>this.options.attempt-1&&this.state.error)return t.options.silent||console.log("VueLazyload log: "+this.options.src+" tried too more than "+this.options.attempt+" times"),void n();var r=this.options.src;I({src:r},function(t){var n=t.src;e.renderSrc=n,e.state.loaded=!0},function(t){e.state.attempt++,e.renderSrc=e.options.error,e.state.error=!0})}}}};return{install:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},n=B(t),r=new n(e),i=new V({lazy:r}),o="2"===t.version.split(".")[0];t.prototype.$Lazyload=r,e.lazyComponent&&t.component("lazy-component",D(r)),e.lazyImage&&t.component("lazy-image",P(r)),o?(t.directive("lazy",{bind:r.add.bind(r),update:r.update.bind(r),componentUpdated:r.lazyLoadHandler.bind(r),unbind:r.remove.bind(r)}),t.directive("lazy-container",{bind:i.bind.bind(i),update:i.update.bind(i),unbind:i.unbind.bind(i)})):(t.directive("lazy",{bind:r.lazyLoadHandler.bind(r),update:function(t,e){_(this.vm.$refs,this.vm.$els),r.add(this.el,{modifiers:this.modifiers||{},arg:this.arg,value:t,oldValue:e},{context:this.vm})},unbind:function(){r.remove(this.el)}}),t.directive("lazy-container",{update:function(t,e){i.update(this.el,{modifiers:this.modifiers||{},arg:this.arg,value:t,oldValue:e},{context:this.vm})},unbind:function(){i.unbind(this.el)}}))}}});
  