12 lines
10 KiB
JavaScript
12 lines
10 KiB
JavaScript
// hack: bind->on, unbind->off, remove proxy
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// hack: use fetch instead of $.load
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(function(o,i,k){i.infinitescroll=function z(D,F,E){this.element=i(E);if(!this._create(D,F)){this.failed=true}};i.infinitescroll.defaults={loading:{finished:k,finishedMsg:"",msg:null,msgText:"",selector:null,speed:"fast",start:k},state:{isDuringAjax:false,isInvalidPage:false,isDestroyed:false,isDone:false,isPaused:false,currPage:1},debug:false,behavior:k,binder:i(o),nextSelector:"div.navigation a:first",navSelector:"div.navigation",contentSelector:null,extraScrollPx:150,itemSelector:"div.post",animate:false,pathParse:k,dataType:"html",appendCallback:true,bufferPx:40,errorCallback:function(){},infid:0,pixelsFromNavToBottom:k,path:k,prefill:false,maxPage:k};i.infinitescroll.prototype={_binding:function g(F){var D=this,E=D.options;E.v="2.0b2.120520";if(!!E.behavior&&this["_binding_"+E.behavior]!==k){this["_binding_"+E.behavior].call(this);return}if(F!=="on"&&F!=="off"){this._debug("Binding value "+F+" not valid");return false}if(F==="off"){(this.options.binder).off("smartscroll.infscr."+D.options.infid)}else{(this.options.binder)[F]("smartscroll.infscr."+D.options.infid,function(){D.scroll()})}this._debug("Binding",F)},_create:function t(F,J){var G=i.extend(true,{},i.infinitescroll.defaults,F);this.options=G;var I=i(o);var D=this;if(!D._validate(F)){return false}var H=i(G.nextSelector).attr("href");if(!H){this._debug("Navigation selector not found");return false}G.path=G.path||this._determinepath(H);G.contentSelector=G.contentSelector||this.element;G.loading.selector=G.loading.selector||G.contentSelector;G.loading.msg=G.loading.msg||i('<div id="infscr-loading" class="loader fast"></div>');if(G.pixelsFromNavToBottom===k){G.pixelsFromNavToBottom=i(document).height()-i(G.navSelector).offset().top}var E=this;G.loading.start=G.loading.start||function(){i(G.navSelector).hide();G.loading.msg.appendTo(G.loading.selector).show(0,function(){E.beginAjax(G)})};G.loading.finished=G.loading.finished||function(){G.loading.msg.fadeOut(G.loading.speed)};G.callback=function(K,M,L){if(!!G.behavior&&K["_callback_"+G.behavior]!==k){K["_callback_"+G.behavior].call(i(G.contentSelector)[0],M,L)}if(J){J.call(i(G.contentSelector)[0],M,G,L)}if(G.prefill){I.on("resize.infinite-scroll",K._prefill)}};if(F.debug){if(Function.prototype.bind&&(typeof console==="object"||typeof console==="function")&&typeof console.log==="object"){["log","info","warn","error","assert","dir","clear","profile","profileEnd"].forEach(function(K){console[K]=this.call(console[K],console)},Function.prototype.bind)}}this._setup();if(G.prefill){this._prefill()}return true},_prefill:function n(){var D=this;var G=i(document);var F=i(o);function E(){return(G.height()<=F.height())}this._prefill=function(){if(E()){D.scroll()}F.on("resize.infinite-scroll",function(){if(E()){F.off("resize.infinite-scroll");D.scroll()}})};this._prefill()},_debug:function q(){if(true!==this.options.debug){return}if(typeof console!=="undefined"&&typeof console.log==="function"){if((Array.prototype.slice.call(arguments)).length===1&&typeof Array.prototype.slice.call(arguments)[0]==="string"){console.log((Array.prototype.slice.call(arguments)).toString())}else{console.log(Array.prototype.slice.call(arguments))}}else{if(!Function.prototype.bind&&typeof console!=="undefined"&&typeof console.log==="object"){Function.prototype.call.call(console.log,console,Array.prototype.slice.call(arguments))}}},_determinepath:function A(E){var D=this.options;if(!!D.behavior&&this["_determinepath_"+D.behavior]!==k){return this["_determinepath_"+D.behavior].call(this,E)}if(!!D.pathParse){this._debug("pathParse manual");return D.pathParse(E,this.options.state.currPage+1)}else{if(E.match(/^(.*?)\b2\b(.*?$)/)){E=E.match(/^(.*?)\b2\b(.*?$)/).slice(1)}else{if(E.match(/^(.*?)2(.*?$)/)){if(E.match(/^(.*?page=)2(\/.*|$)/)){E=E.match(/^(.*?page=)2(\/.*|$)/).slice(1);return E}E=E.match(/^(.*?)2(.*?$)/).slice(1)}else{if(E.match(/^(.*?page=)1(\/.*|$)/)){E=E.match(/^(.*?page=)1(\/.*|$)/).slice(1);return E}else{this._debug("Sorry, we couldn't parse your Next (Previous Posts) URL. Verify your the css selector points to the correct A tag. If you still get this error: yell, scream, and kindly ask for help at infinite-scroll.com.");D.state.isInvalidPage=true}}}}this._debug("determinePath",E);return E},_error:function v(E){var D=this.options;if(!!D.behavior&&this["_error_"+D.behavior]!==k){this["_error_"+D.behavior].call(this,E);return}if(E!=="destroy"&&E!=="end"){E="unknown"}this._debug("Error",E);if(E==="end"){this._showdonemsg()}D.state.isDone=true;D.state.currPage=1;D.state.isPaused=false;this._binding("off")},_loadcallback:function c(H,G,E){var D=this.options,J=this.options.callback,L=(D.state.isDone)?"done":(!D.appendCallback)?"no-append":"append",K;if(!!D.behavior&&this["_loadcallback_"+D.behavior]!==k){this["_loadcallback_"+D.behavior].call(this,H,G);return}switch(L){case"done":this._showdonemsg();return false;case"no-append":if(D.dataType==="html"){G="<div>"+G+"</div>";G=i(G).find(D.itemSelector)}break;case"append":var F=H.children();if(F.length===0){return this._error("end")}K=document.createDocumentFragment();while(H[0].firstChild){K.appendChild(H[0].firstChild)}this._debug("contentSelector",i(D.contentSelector)[0]);i(D.contentSelector)[0].appendChild(K);G=F.get();break}D.loading.finished.call(i(D.contentSelector)[0],D);if(D.animate){var I=i(o).scrollTop()+i("#infscr-loading").height()+D.extraScrollPx+"px";i("html,body").animate({scrollTop:I},800,function(){D.state.isDuringAjax=false})}if(!D.animate){D.state.isDuringAjax=false}J(this,G,E);if(D.prefill){this._prefill()}},_nearbottom:function u(){var E=this.options,D=0+i(document).height()-(E.binder.scrollTop())-i(o).height();if(!!E.behavior&&this["_nearbottom_"+E.behavior]!==k){return this["_nearbottom_"+E.behavior].call(this)}this._debug("math:",D,E.pixelsFromNavToBottom);return(D-E.bufferPx<E.pixelsFromNavToBottom)},_pausing:function l(E){var D=this.options;if(!!D.behavior&&this["_pausing_"+D.behavior]!==k){this["_pausing_"+D.behavior].call(this,E);return}if(E!=="pause"&&E!=="resume"&&E!==null){this._debug("Invalid argument. Toggling pause value instead")}E=(E&&(E==="pause"||E==="resume"))?E:"toggle";switch(E){case"pause":D.state.isPaused=true;break;case"resume":D.state.isPaused=false;break;case"toggle":D.state.isPaused=!D.state.isPaused;break}this._debug("Paused",D.state.isPaused);return false},_setup:function r(){var D=this.options;if(!!D.behavior&&this["_setup_"+D.behavior]!==k){this["_setup_"+D.behavior].call(this);return}this._binding("on");return false},_showdonemsg:function a(){var D=this.options;if(!!D.behavior&&this["_showdonemsg_"+D.behavior]!==k){this["_showdonemsg_"+D.behavior].call(this);return};D.errorCallback.call(i(D.contentSelector)[0],"done")},_validate:function w(E){for(var D in E){if(D.indexOf&&D.indexOf("Selector")>-1&&i(E[D]).length===0){this._debug("Your "+D+" found no elements.");return false}}return true},bind:function p(){this._binding("on")},destroy:function C(){this.options.state.isDestroyed=true;this.options.loading.finished();return this._error("destroy")},pause:function e(){this._pausing("pause")},resume:function h(){this._pausing("resume")},beginAjax:function B(G){var E=this,I=G.path,F,D,K,J;G.state.currPage++;if(G.maxPage!=k&&G.state.currPage>G.maxPage){this.destroy();return}F=i(G.contentSelector).is("table")?i("<tbody/>"):i("<div/>");D=(typeof I==="function")?I(G.state.currPage):I.join(G.state.currPage);E._debug("heading into ajax",D);K=(G.dataType==="html"||G.dataType==="json")?G.dataType:"html+callback";if(G.appendCallback&&G.dataType==="html"){K+="+callback"}switch(K){
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case"html+callback":
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E._debug("Using HTML via fetch method");
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fetch(D).then(res => res.text()).then(html => {
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F.html($(html).find(G.itemSelector));
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E._loadcallback(F, html, D);
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});
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break;
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case"html":E._debug("Using "+(K.toUpperCase())+" via $.ajax() method");i.ajax({url:D,dataType:G.dataType,complete:function H(L,M){J=(typeof(L.isResolved)!=="undefined")?(L.isResolved()):(M==="success"||M==="notmodified");if(J){E._loadcallback(F,L.responseText,D)}else{E._error("end")}}});break;case"json":E._debug("Using "+(K.toUpperCase())+" via $.ajax() method");i.ajax({dataType:"json",type:"GET",url:D,success:function(N,O,M){J=(typeof(M.isResolved)!=="undefined")?(M.isResolved()):(O==="success"||O==="notmodified");if(G.appendCallback){if(G.template!==k){var L=G.template(N);F.append(L);if(J){E._loadcallback(F,L)}else{E._error("end")}}else{E._debug("template must be defined.");E._error("end")}}else{if(J){E._loadcallback(F,N,D)}else{E._error("end")}}},error:function(){E._debug("JSON ajax request failed.");E._error("end")}});break}},retrieve:function b(F){F=F||null;var D=this,E=D.options;if(!!E.behavior&&this["retrieve_"+E.behavior]!==k){this["retrieve_"+E.behavior].call(this,F);return}if(E.state.isDestroyed){this._debug("Instance is destroyed");return false}E.state.isDuringAjax=true;E.loading.start.call(i(E.contentSelector)[0],E)},scroll:function f(){var D=this.options,E=D.state;if(!!D.behavior&&this["scroll_"+D.behavior]!==k){this["scroll_"+D.behavior].call(this);return}if(E.isDuringAjax||E.isInvalidPage||E.isDone||E.isDestroyed||E.isPaused){return}if(!this._nearbottom()){return}this.retrieve()},toggle:function y(){this._pausing()},unbind:function m(){this._binding("off")},update:function j(D){if(i.isPlainObject(D)){this.options=i.extend(true,this.options,D)}}};i.fn.infinitescroll=function d(F,G){var E=typeof F;switch(E){case"string":var D=Array.prototype.slice.call(arguments,1);this.each(function(){var H=i.data(this,"infinitescroll");if(!H){return false}if(!i.isFunction(H[F])||F.charAt(0)==="_"){return false}H[F].apply(H,D)});break;case"object":this.each(function(){var H=i.data(this,"infinitescroll");if(H){H.update(F)}else{H=new i.infinitescroll(F,G,this);if(!H.failed){i.data(this,"infinitescroll",H)}}});break}return this};var x=i.event,s;x.special.smartscroll={setup:function(){i(this).on("scroll",x.special.smartscroll.handler)},teardown:function(){i(this).off("scroll",x.special.smartscroll.handler)},handler:function(G,D){var F=this,E=arguments;G.type="smartscroll";if(s){clearTimeout(s)}s=setTimeout(function(){i(F).trigger("smartscroll",E)},D==="execAsap"?0:100)}};i.fn.smartscroll=function(D){return D?this.on("smartscroll",D):this.trigger("smartscroll",["execAsap"])}})(window,jQuery);
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