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cjzamora/spider.js

Created January 24, 2016 15:25
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spider.js
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s)+"\n"+J+"}":"{"+N.join(",")+"}";s=J;return K}}Date.prototype.__spider_toJSON=function(){return isFinite(this.valueOf())?this.getUTCFullYear()+"-"+l(this.getUTCMonth()+1)+"-"+l(this.getUTCDate())+"T"+l(this.getUTCHours())+":"+l(this.getUTCMinutes())+":"+l(this.getUTCSeconds())+"Z":null};String.prototype.__spider_toJSON=Number.prototype.__spider_toJSON=Boolean.prototype.__spider_toJSON=function(){return this.valueOf()};var k=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
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(function(){__spider.namespace("__spider.utils",function(l){l.is_valid=function(h){var p;p=/^[a-zA-Z][a-zA-Z0-9\-_]+$/;return h&&p.test(h)};l.element=function(h,p){var k,m,s,t,F,B;s=h.tagName.toLowerCase();if(p)return s;m=[];B=h.classList;t=0;for(F=B.length;t<F;t++)k=B[t],l.is_valid(k)&&m.push(k);return{name:s,id:l.is_valid(h.id)?h.id:"",classes:m.sort()}};l.path=function(h,p){var k;for(k=[];h&&h!==document.body;)k.splice(0,0,l.element(h,p)),h=h.parentElement;return k};l.bound=function(h){var p,k;
k=document.documentElement.scrollTop||document.body.scrollTop;p=document.documentElement.scrollLeft||document.body.scrollLeft;h=h.getBoundingClientRect();return{width:h.width,height:h.height,left:h.left+p,top:h.top+k}};return l.computed=function(h){var p,k,m,l,t;k=document.defaultView.getComputedStyle(document.body);h=document.defaultView.getComputedStyle(h);p={};l=0;for(t=h.length;l<t;l++)m=h[l],"width"===m||("height"===m||"top"===m||"left"===m||"right"===m||"bottom"===m)||"-"!==m.charAt(0)&&h[m]!==
k[m]&&(p[m]=h[m]);return p}})}).call(this);
(function(){__spider.namespace("__spider.extractor",function(l){l.extract_meta=function(){var h,p,k,l,s,t;s=document.querySelectorAll("title");t=[];k=0;for(l=s.length;k<l;k++)p=s[k],t.push(p.innerText);l=document.querySelectorAll('meta[name="description"]');s=[];p=0;for(k=l.length;p<k;p++)h=l[p],s.push(h.content);t.push.apply(t,function(){var k,p,l,m;l=document.querySelectorAll('meta[name="og:title"], meta[property="og:title"]');m=[];k=0;for(p=l.length;k<p;k++)h=l[k],m.push(h.content);return m}());
s.push.apply(s,function(){var k,p,l,m;l=document.querySelectorAll('meta[name="og:description"], meta[property="og:description"]');m=[];k=0;for(p=l.length;k<p;k++)h=l[k],m.push(h.content);return m}());t.push.apply(t,function(){var k,p,l,m;l=document.querySelectorAll('meta[name="twitter:title"], meta[property="twitter:title"]');m=[];k=0;for(p=l.length;k<p;k++)h=l[k],m.push(h.content);return m}());s.push.apply(s,function(){var k,p,l,m;l=document.querySelectorAll('meta[name="twitter:description"], meta[property="twitter:description"]');
m=[];k=0;for(p=l.length;k<p;k++)h=l[k],m.push(h.content);return m}());return{url:window.location.href,titles:t,descriptions:s}};l.extract_body=function(){var h,l,k,m,s;h={};s=document.defaultView.getComputedStyle(document.body);k=0;for(m=s.length;k<m;k++)l=s[k],"-"!==l.charAt(0)&&(h[l]=document.defaultView.getComputedStyle(document.body)[l]);return{scroll:{top:document.documentElement.scrollTop||document.body.scrollTop,left:document.documentElement.scrollLeft||document.body.scrollLeft},bound:__spider.utils.bound(document.body),
computed:h}};l.extract_links=function(){var h,l,k,m,s;m=document.querySelectorAll("a[href]");s=[];l=0;for(k=m.length;l<k;l++)h=m[l],s.push(h.href);return s};l.extract_texts=function(){var h,l,k,m,s;m=[];for(s=document.createTreeWalker(document.body,NodeFilter.SHOW_TEXT,null,!1);k=s.nextNode();)if(0<k.nodeValue.trim().length&&(l=k.parentElement,h=__spider.utils.bound(l),0<h.width*h.height)){for(;l;){h=document.defaultView.getComputedStyle(l);if(0<parseInt(h.width)*parseInt(h.height))break;l=l.parentElement}l&&
(l.__spider?l.__spider.text.push(k.nodeValue):(l.__spider={element:__spider.utils.element(l),path:__spider.utils.path(l,!0),selector:__spider.utils.path(l),text:[k.nodeValue],html:l.innerHTML,bound:__spider.utils.bound(l),computed:__spider.utils.computed(l)},m.push(l.__spider)))}return m};l.extract_images=function(){var h,l,k,m,s,t;l=[];t=document.querySelectorAll("img[src]");m=0;for(s=t.length;m<s;m++)k=t[m],h=__spider.utils.bound(k),0<h.width*h.height&&l.push({src:k.src,element:__spider.utils.element(k),
path:__spider.utils.path(k,!0),selector:__spider.utils.path(k),bound:h,computed:__spider.utils.computed(k)});return l};return l.extract=function(){var h;h=l.extract_meta();h.body=l.extract_body();h.links=l.extract_links();h.texts=l.extract_texts();h.images=l.extract_images();return h}})}).call(this);
(function(){__spider.namespace("__spider.ui",function(l){var h;h=function(){var h;h=__spider.$("div#__spider");if(h.length)return h;h=__spider.$("<div />");h.attr({id:"__spider"});h.css({position:"fixed",zIndex:999999999,top:15,left:15,background:"#2f96b4",color:"white",fontFamily:'"Helvetica Neue", Helvetica, Arial, sans-serif',fontSize:"14px",lineHeight:"20px",fontWeight:"bold",padding:"10px 15px"});h.text("Loading ...");h.insertBefore(__spider.$(document.body));return h};l.info=function(l){var k;
k=h();k.css({background:"#2f96b4"});return k.html(l)};l.success=function(l){var k;k=h();k.css({background:"#51a351"});return k.html(l)};return l.error=function(l){var k;k=h();k.css({background:"#da4f49"});return k.html(l)}})}).call(this);
(function(){__spider.namespace("__spider",function(l){var h,p;p=function(h){var l;__spider.ui.info("Uploading ...");l=new XMLHttpRequest;l.open("POST",window.__spider_url+"/capture",!0);l.setRequestHeader("X-Spider","spider");l.setRequestHeader("Content-Type","application/json");l.onreadystatechange=function(){if(4===l.readyState)if(200!==l.status||!l.response)__spider.ui.error("Something went wrong while uploading data.");else{h=__spider.JSON.parse(l.response);if(h.selectors)return console.log(__spider.$(h.selectors)),
__spider.$(h.selectors).css({background:"#ffff00"}),__spider.ui.success("Done! Content highlighted :)");__spider.ui.success("Done! We are still learning. Try capture one more similar page. :)")}};return l.send(__spider.JSON.stringify(h))};h=function(){__spider.ui.info("Capturing ...");return setTimeout(function(){var h;h=__spider.extractor.extract();return p(h)},50)};return l.run=function(){if(window.__spider_url&&!window.__spider_run)return window.__spider_run=!0,h()}});__spider.$(function(){return __spider.run()})}).call(this);
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