Pxer的启动器类文件@稳定版
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.sleazyfork.org/scripts/23946/152160/PxerLauncherclassjs.js
'use strict';
class PxerLauncher{
constructor(options){
Object.assign(this ,{
sync:[],
asyn:[],
onsync:()=>console.log('Sync list is OK!'),
onasyn:()=>{},
onerror:err=>console.error(err),
cache:true,
} ,options)
};
};
PxerLauncher.prototype['load'] =function(){
this.loadSync();
this.loadAsyn();
};
PxerLauncher.prototype['createElt'] =function(path){
var extName =path.replace('.php','').match(/\.([A-Za-z0-9]*?)(?:\?.+)?$/)[1];
let tagName =this.tagMap[extName].tag;
var elt =document.createElement(tagName);
//避免缓存(new Date()).getTime()
if(!this.cache) path =path.indexOf('?')==-1 ?path+'?'+(new Date()).getTime() :path+'&'+(new Date()).getTime();
let attr =this.tagMap[extName].attr;
for(let key in attr){
if(attr[key] ==='%PATH%'){
elt.setAttribute(key ,path);
continue;
};
elt.setAttribute(key ,attr[key])
};
return elt;
};
PxerLauncher.prototype['loadAsyn'] =function(){
this.asyn.forEach(function (item){
let elt =this.createElt(item);
elt.async =true;
document.head.appendChild(elt);
} ,this);
};
PxerLauncher.prototype['loadSync'] =function(){
var pms =Promise.resolve();
this.sync.forEach(function (item){
pms =pms.then(()=>{
return new Promise((resolve ,reject)=>{
let elt =this.createElt(item);
elt.addEventListener('load' ,resolve);
elt.addEventListener('error' ,reject.bind(null ,elt));
document.head.appendChild(elt);
});
});
} ,this);
pms.then(this.onsync);
pms.catch((err)=>{
console.error('PxerLauncher load file error!');
this.onerror(err);
});
};
PxerLauncher.prototype['tagMap'] ={
js:{
tag:'script',
attr:{
charset:'utf-8',
type:'text/javascript',
src:'%PATH%',
}
},
css:{
tag:'link',
attr:{
rel:'stylesheet',
href:'%PATH%',
}
},
ico:{
tag:'link',
attr:{
rel:'shortcut icon',
type:'image/x-icon',
href:'%PATH%',
}
},
};