modular.js

/**
 * Modular.js 1.0
 * 2013 - Clemens Damke
 * License: WTFPL - Have fun! Credits only if you want to.
 */
var Modular=(function(){var h=window,f=function(i,k,l){var j=this;h[i]=this;j.init=l;f.loadModules(k,function(m){Object.getPrototypeOf(j).run.call(j,m)},i)};f.loaded={};f.modules={};f.path="";f.requiredBy={};f.isOk=function(i){return i%2==1};f.status=function(i){return this.status.codes[i]};f.status.codes={1:"Module already loaded",2:"Module could not be loaded",3:"Module loaded",4:"Module loaded but invalidly defined",5:"Circular requirement loop had to be interrupted at first link-back (may cause problems in one modules 'init()')"};f.setModulePath=function(i){if(i!==undefined){this.path=i}return this};f.setModules=function(i){if(i!==undefined){this.modules=i}return this};f.addModules=function(i){for(var j in i){this.modules[j]=i[j]}return this};var a=function(l,j){for(var k=0;k<l.length;k++){l[k].apply(f,j)}},e=function(i,j){if(!f.requiredBy[i]){f.requiredBy[i]={}}f.requiredBy[i][j]=true},d=function(k,l,i){if(!i){i={}}i[k]=true;if(f.requiredBy[k]){if(f.requiredBy[k][l]){return true}for(var j in f.requiredBy[k]){if(!i[j]&&d(j,l,i)){return true}}}return false},b=document.getElementsByTagName("head")[0]||document.head||document,g=function(k){if(k){try{var j=document.createElement("script");j.type="text/javascript";j.text=k;b.appendChild(j);b.removeChild(j)}catch(i){return i}}},c=function(j,l,i){var k=new XMLHttpRequest();if(!k){i()}k.open("GET",j,true);k.overrideMimeType("text/javascript");k.send();k.ontimeout=i;k.onreadystatechange=function(){if(this.readyState==4){if(this.status==200||this.status==304){var m;if(m=g(this.responseText)){i(m)}else{l()}}else{i()}}}};f.loadModule=function(l,m,j){var k=this;if(j){e(l,j)}if(!k.loaded[l]){k.loaded[l]=typeof m==="function"?[m]:[];if(!k.modules[l]){k.modules[l]=l+".js"}var i=function(n,o){a(k.loaded[l],[n,l]);k.loaded[l]=o};c(k.path+k.modules[l],function(){if(h[l]){k.prototype.onDone.call(h[l],function(){i(3,true)})}else{i(4,true)}},function(n){if(n){i(4,true);var o=new Error();o.message="In module '"+l+"': "+n.message;if(document.baseURI){o.sourceURL=document.baseURI+k.path+k.modules[l]}o.name=n.name;throw o}else{i(2,false)}})}else{if(m){if(k.loaded[l]===true||(j&&h[l]&&d(j,l))){setTimeout(function(){m(k.loaded[l]===true?1:5,l)},0)}else{k.loaded[l].push(m)}}}return k};f.loadModules=function(m,o,l){var k=0,j={};if(m&&m.length){for(var n=0;n<m.length;n++){this.loadModule(m[n],function(i,p){k++;j[p]=i;if(k>=m.length&&o){o(j)}},l)}}else{if(o){setTimeout(function(){o(j)},0)}}return this};f.prototype={run:function(i){if(this.init){this.init(i)}if(this.doneCallback){this.doneCallback()}if(!this.hasOwnProperty("run")){this.run=null}},onDone:function(i){this.doneCallback=i}};return f})();