offline.min.js

/*! offline-js 0.7.19 */
(function(){var a,b,c,d,e,f,g;d=function(a,b){var c,d,e;d=[];for(c in b.prototype)try{e=b.prototype[c],null==a[c]&&"function"!=typeof e?d.push(a[c]=e):d.push(void 0)}catch(f){f}return d},a={},a.options=window.Offline?window.Offline.options||{}:{},c={checks:{xhr:{url:function(){return"/favicon.ico?_="+(new Date).getTime()},timeout:5e3,type:"HEAD"},image:{url:function(){return"/favicon.ico?_="+(new Date).getTime()}},active:"xhr"},checkOnLoad:!1,interceptRequests:!0,reconnect:!0,deDupBody:!1},e=function(a,b){var c,d,e,f,g,h;for(c=a,h=b.split("."),d=e=0,f=h.length;e<f&&(g=h[d],"object"==typeof(c=c[g]));d=++e);return d===h.length-1?c:void 0},a.getOption=function(b){var d,f;return f=null!=(d=e(a.options,b))?d:e(c,b),"function"==typeof f?f():f},"function"==typeof window.addEventListener&&window.addEventListener("online",function(){return setTimeout(a.confirmUp,100)},!1),"function"==typeof window.addEventListener&&window.addEventListener("offline",function(){return a.confirmDown()},!1),a.state="up",a.markUp=function(){if(a.trigger("confirmed-up"),"up"!==a.state)return a.state="up",a.trigger("up")},a.markDown=function(){if(a.trigger("confirmed-down"),"down"!==a.state)return a.state="down",a.trigger("down")},f={},a.on=function(b,c,d){var e,g,h,i,j;if(g=b.split(" "),g.length>1){for(j=[],h=0,i=g.length;h<i;h++)e=g[h],j.push(a.on(e,c,d));return j}return null==f[b]&&(f[b]=[]),f[b].push([d,c])},a.off=function(a,b){var c,d,e,g;if(null!=f[a]){if(b){for(d=0,g=[];d<f[a].length;)e=f[a][d],e[0],c=e[1],c===b?g.push(f[a].splice(d,1)):g.push(d++);return g}return f[a]=[]}},a.trigger=function(a){var b,c,d,e,g,h,i;if(null!=f[a]){for(g=f[a].slice(0),i=[],d=0,e=g.length;d<e;d++)h=g[d],b=h[0],c=h[1],i.push(c.call(b));return i}},b=function(a,b,c){var d,e,f,g,h;return h=function(){return a.status&&a.status<12e3?b():c()},null===a.onprogress?(d=a.onerror,a.onerror=function(){return c(),"function"==typeof d?d.apply(null,arguments):void 0},g=a.ontimeout,a.ontimeout=function(){return c(),"function"==typeof g?g.apply(null,arguments):void 0},e=a.onload,a.onload=function(){return h(),"function"==typeof e?e.apply(null,arguments):void 0}):(f=a.onreadystatechange,a.onreadystatechange=function(){return 4===a.readyState?h():0===a.readyState&&c(),"function"==typeof f?f.apply(null,arguments):void 0})},a.checks={},a.checks.xhr=function(){var c;c=new XMLHttpRequest,c.offline=!1,c.open(a.getOption("checks.xhr.type"),a.getOption("checks.xhr.url"),!0),null!=c.timeout&&(c.timeout=a.getOption("checks.xhr.timeout")),b(c,a.markUp,a.markDown);try{c.send()}catch(d){d,a.markDown()}return c},a.checks.image=function(){var b;b=document.createElement("img"),b.onerror=a.markDown,b.onload=a.markUp,b.src=a.getOption("checks.image.url")},a.checks.down=a.markDown,a.checks.up=a.markUp,a.check=function(){return a.trigger("checking"),a.checks[a.getOption("checks.active")]()},a.confirmUp=a.confirmDown=a.check,a.onXHR=function(a){var b,c,e;if(e=function(b,c){var d;return d=b.open,b.open=function(e,f,g,h,i){return a({type:e,url:f,async:g,flags:c,user:h,password:i,xhr:b}),d.apply(b,arguments)}},c=window.XMLHttpRequest,window.XMLHttpRequest=function(a){var b,d,f;return f=new c(a),e(f,a),d=f.setRequestHeader,f.headers={},f.setRequestHeader=function(a,b){return f.headers[a]=b,d.call(f,a,b)},b=f.overrideMimeType,f.overrideMimeType=function(a){return f.mimeType=a,b.call(f,a)},f},d(window.XMLHttpRequest,c),null!=window.XDomainRequest)return b=window.XDomainRequest,window.XDomainRequest=function(){var a;return a=new b,e(a),a},d(window.XDomainRequest,b)},g=function(){if(a.getOption("interceptRequests")&&a.onXHR(function(c){var d;if(d=c.xhr,!1!==d.offline)return b(d,a.markUp,a.confirmDown)}),a.getOption("checkOnLoad"))return a.check()},setTimeout(g,0),window.Offline=a}).call(this),function(){var a,b,c,d,e,f,g,h,i;if(!window.Offline)throw new Error("Offline Reconnect brought in without offline.js");d=Offline.reconnect={},f=null,e=function(){var a;return null!=d.state&&"inactive"!==d.state&&Offline.trigger("reconnect:stopped"),d.state="inactive",d.remaining=d.delay=null!=(a=Offline.getOption("reconnect.initialDelay"))?a:3},b=function(){var a,b;return a=null!=(b=Offline.getOption("reconnect.delay"))?b:Math.min(Math.ceil(1.5*d.delay),3600),d.remaining=d.delay=a},g=function(){if("connecting"!==d.state)return d.remaining-=1,Offline.trigger("reconnect:tick"),0===d.remaining?h():void 0},h=function(){if("waiting"===d.state)return Offline.trigger("reconnect:connecting"),d.state="connecting",Offline.check()},a=function(){if(Offline.getOption("reconnect"))return e(),d.state="waiting",Offline.trigger("reconnect:started"),f=setInterval(g,1e3)},i=function(){return null!=f&&clearInterval(f),e()},c=function(){if(Offline.getOption("reconnect"))return"connecting"===d.state?(Offline.trigger("reconnect:failure"),d.state="waiting",b()):void 0},d.tryNow=h,e(),Offline.on("down",a),Offline.on("confirmed-down",c),Offline.on("up",i)}.call(this),function(){var a,b,c,d,e,f;if(!window.Offline)throw new Error("Requests module brought in without offline.js");c=[],f=!1,d=function(a){if(!1!==Offline.getOption("requests"))return Offline.trigger("requests:capture"),"dowcn"!==Offline.state&&(f=!0),c.push(a)},e=function(a){var b,c,d,e,f,g,h,i,j;if(j=a.xhr,g=a.url,f=a.type,h=a.user,d=a.password,b=a.body,!1!==Offline.getOption("requests")){j.abort(),j.open(f,g,!0,h,d),e=j.headers;for(c in e)i=e[c],j.setRequestHeader(c,i);return j.mimeType&&j.overrideMimeType(j.mimeType),j.send(b)}},a=function(){return c=[]},b=function(){var b,d,f,g,h,i,j;if(!1!==Offline.getOption("requests")){for(Offline.trigger("requests:flush"),i={},d=0,g=c.length;d<g;d++)h=c[d],j=h.url.replace(/(\?|&)_=[0-9]+/,function(a,b){return"?"===b?b:""}),Offline.getOption("deDupBody")?(b=h.body,b="[object Object]"===b.toString()?JSON.stringify(b):b.toString(),i[h.type.toUpperCase()+" - "+j+" - "+b]=h):i[h.type.toUpperCase()+" - "+j]=h;for(f in i)h=i[f],e(h);return a()}},setTimeout(function(){if(!1!==Offline.getOption("requests"))return Offline.on("confirmed-up",function(){if(f)return f=!1,a()}),Offline.on("up",b),Offline.on("down",function(){return f=!1}),Offline.onXHR(function(a){var b,c,e,f,g;if(g=a.xhr,e=a.async,!1!==g.offline&&(f=function(){return d(a)},c=g.send,g.send=function(b){return a.body=b,c.apply(g,arguments)},e))return null===g.onprogress?(g.addEventListener("error",f,!1),g.addEventListener("timeout",f,!1)):(b=g.onreadystatechange,g.onreadystatechange=function(){return 0===g.readyState?f():4===g.readyState&&(0===g.status||g.status>=12e3)&&f(),"function"==typeof b?b.apply(null,arguments):void 0})}),Offline.requests={flush:b,clear:a}},0)}.call(this),function(){var a,b,c,d,e,f;if(!Offline)throw new Error("Offline simulate brought in without offline.js");for(d=["up","down"],b=0,c=d.length;b<c;b++){f=d[b];try{e=document.querySelector("script[data-simulate='"+f+"']")||("undefined"!=typeof localStorage&&null!==localStorage?localStorage.OFFLINE_SIMULATE:void 0)===f}catch(g){g,e=!1}}e&&(null==Offline.options&&(Offline.options={}),null==(a=Offline.options).checks&&(a.checks={}),Offline.options.checks.active=f)}.call(this),function(){var a,b,c,d,e,f,g,h,i,j,k,l,m;if(!window.Offline)throw new Error("Offline UI brought in without offline.js");b='<div class="offline-ui"><div class="offline-ui-content"></div></div>',a='<a href class="offline-ui-retry"></a>',f=function(a){var b;return b=document.createElement("div"),b.innerHTML=a,b.children[0]},g=e=null,d=function(a){return k(a),g.className+=" "+a},k=function(a){return g.className=g.className.replace(new RegExp("(^| )"+a.split(" ").join("|")+"( |$)","gi")," ")},i={},h=function(a,b){return d(a),null!=i[a]&&clearTimeout(i[a]),i[a]=setTimeout(function(){return k(a),delete i[a]},1e3*b)},m=function(a){var b,c,d,e;d={day:86400,hour:3600,minute:60,second:1};for(c in d)if(b=d[c],a>=b)return e=Math.floor(a/b),[e,c];return["now",""]},l=function(){var c,h;return g=f(b),document.body.appendChild(g),null!=Offline.reconnect&&Offline.getOption("reconnect")&&(g.appendChild(f(a)),c=g.querySelector(".offline-ui-retry"),h=function(a){return a.preventDefault(),Offline.reconnect.tryNow()},null!=c.addEventListener?c.addEventListener("click",h,!1):c.attachEvent("click",h)),d("offline-ui-"+Offline.state),e=g.querySelector(".offline-ui-content")},j=function(){return l(),Offline.on("up",function(){return k("offline-ui-down"),d("offline-ui-up"),h("offline-ui-up-2s",2),h("offline-ui-up-5s",5)}),Offline.on("down",function(){return k("offline-ui-up"),d("offline-ui-down"),h("offline-ui-down-2s",2),h("offline-ui-down-5s",5)}),Offline.on("reconnect:connecting",function(){return d("offline-ui-connecting"),k("offline-ui-waiting")}),Offline.on("reconnect:tick",function(){var a,b,c;return d("offline-ui-waiting"),k("offline-ui-connecting"),a=m(Offline.reconnect.remaining),b=a[0],c=a[1],e.setAttribute("data-retry-in-value",b),e.setAttribute("data-retry-in-unit",c)}),Offline.on("reconnect:stopped",function(){return k("offline-ui-connecting offline-ui-waiting"),e.setAttribute("data-retry-in-value",null),e.setAttribute("data-retry-in-unit",null)}),Offline.on("reconnect:failure",function(){return h("offline-ui-reconnect-failed-2s",2),h("offline-ui-reconnect-failed-5s",5)}),Offline.on("reconnect:success",function(){return h("offline-ui-reconnect-succeeded-2s",2),h("offline-ui-reconnect-succeeded-5s",5)})},"complete"===document.readyState?j():null!=document.addEventListener?document.addEventListener("DOMContentLoaded",j,!1):(c=document.onreadystatechange,document.onreadystatechange=function(){return"complete"===document.readyState&&j(),"function"==typeof c?c.apply(null,arguments):void 0})}.call(this);