108 lines
3.0 KiB
JavaScript
108 lines
3.0 KiB
JavaScript
(function(globals){
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let _unique = new Date().getTime();
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let __idles__ = [];
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class LN
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{
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constructor(opts){
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}
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static $each(oa,cb){
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if (oa instanceof Array){
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let result = [];
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oa.forEach((value,index)=>{
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result.push(cb.call(value,index,value));
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});
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return result;
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} else if (oa instanceof Object){
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let result = {};
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Object.keys(oa).forEach((key)=>{
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if (oa.hasOwnProperty(key)){
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result[key] = cb.call(oa[key],key,oa[key]);
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}
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});
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return result;
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}
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}
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static $idle(cb,thisval = null){
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let scheduled = __idles__.length > 0;
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let n=0;
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for (;n<__idles__.length;n++){
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let idle = __idles__[n];
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if ((idle[0] == cb) && (idle[1] == thisval))
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break;
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}
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if (n == __idles__.length)
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__idles__.push([cb,thisval]);
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if (!scheduled)
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setTimeout(()=>{
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while (__idles__.length > 0){
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let idle = __idles__.pop();
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idle[0].call(idle[1]);
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}
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},0);
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}
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static $unique(){
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return _unique++;
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}
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static $fetch(url,cb){
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return new LN.Promise((resolve,reject)=>{
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fetch(url)
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.then((response => {
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if (response.status.toString().startsWith("2"))
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{
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let t = response.text();
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cb && cb(t,null);
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resolve(t);
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} else {
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cb && cb(null, response.statusText);
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reject(response.statusText);
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}
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}));
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}, `fetch(${url})`);
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}
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static $resolve(v){
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if (v instanceof Function)
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return v();
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return v;
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}
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static $add(classpath,c){
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let p = classpath.split(".");
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if (p.length < 1)
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throw "invalid classpath";
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let container = globals;
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while (p.length > 1){
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let next = p.shift();
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if (!container[next])
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container[next] = {}
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container = container[next];
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}
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let prev = container[p[0]];
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container[p[0]] = c;
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if (prev)
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{
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LN.$each(prev,(key,value)=>{
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c[key] = value;
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});
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}
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};
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static $(selector){
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let el = document.createElement("parse");
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el.innerHTML = selector;
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return el.firstChild;
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}
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}
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LN.prototypes = {};
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LN.$add("LN", LN);
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})(window);
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