Super Light AJAX plugin

Super Light AJAX plugin by IvanSkvortsov

Ovu skriptu ne treba izravno instalirati. To je biblioteka za druge skripte koje se uključuju u meta direktivu // @require https://update.greasyfork.org/scripts/32009/209858/Super%20Light%20AJAX%20plugin.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name           Super Light AJAX plugin
// @description    Super Light AJAX plugin by IvanSkvortsov
// @description:ru Супер упрощенная версия AJAX плагина от IvanSkvortsov
// @include        *://*
// @author         IvanSkvortsov
// @date           2017.08.05
// @version        1.0.5
// @grant          none
// ==/UserScript==
(function(){
	var lqueue = [], lrequestInProgress = false, lqueueCleaned = true;
	var activeXs = ['Msxml3.XMLHTTP', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.3.0', 'Msxml2.XMLHTTP', 'Microsoft.XMLHTTP',];
	var events = ['onabort', 'onerror', 'onload', 'onloadend', 'onloadstart', 'onprogress', 'onreadystatechange', 'ontimeout',];
	function XHttpRequestLight(){
		var request = lqueue[0], xhttp = null, i, key;
		if(!( request && (lrequestInProgress === false || request.async === true) && lqueue.length > 0 ))
			return;
		// handle request:
		request.method = request.method || 'GET';
		if( request.method.toUpperCase() === 'GET' && request.data ){
			request.url += '?' + request.data;
			request.data = null;
		}
		request.async = typeof request.async === 'boolean' ? request.async : true;
		// createXmlHttpRequest:
		if( window.XMLHttpRequest )
			xhttp = new XMLHttpRequest();
		else if( window.ActiveXObject ){
			for( i = 0; i < activeXs.length; ++i ){
				try{xhttp = new ActiveXObject(activeXs[i]);}
				catch(error){continue;}
				break;
			}
			if( !xhttp ){
				console.error("[XHttpRequestLight] can't create ActiveXObject");
				return;
			}
		}else{
			console.error("[XHttpRequestLight] can't create XmlHttpRequest object");
			return;
		}
		xhttp.open( request.method, request.url, request.async );
		lrequestInProgress = true;
		lqueue.shift();
		for( key in request.headers )
			xhttp.setRequestHeader( key, request.headers[key] );
		xhttp.url = request.url;
		// handle XmlHttpRequest events
		events.forEach(function(type){
			if( request[type] ){
				xhttp[type] = function(event){
					xhttp.lengthComputable = event.lengthComputable || false;
					xhttp.loaded = event.loaded || 0;
					xhttp.total = event.total || 0;
					request[type].call(xhttp, xhttp.responseText);
					if( type === 'onerror' || type === 'onload' || (type === 'onreadystatechange' && xhttp.readyState == 4 && xhttp.status == 200 && !request.onload)){
						lrequestInProgress = false;
						request.delay = request.delay > 20 ? request.delay : 20;
						setTimeout( XHttpRequestLight, request.delay );
					}
				};
			}
		});
		xhttp.send( request.data || null);
	}
	function createNewRequest( url, settings )
	{
		var key, val, request = {};
		for( key in settings )
		{
			val = settings[key];
			if( Object.prototype.hasOwnProperty.call( settings, key ) && val )
				request[key] = val;
		}
		request.url = url;
		return request;
	}
	window.ISL = window.ISL || {};
	// AJAX API
	ISL.lajaxAddXHR = function(){
		var request, url, settings;
		switch(arguments.length){
			case 0:
				return;
			case 1:
				request = arguments[0];
				if( request.length )
					lqueue = lqueue.concat( request );
				else
					lqueue.push(request);
				break;
			case 2:
				url = arguments[0];
				settings = arguments[1];
				if( url.length )
					url.forEach(function(u){ lqueue.push(createNewRequest(u, settings));} );
				else
					lqueue.push(createNewRequest(url, settings));
				break;
			default:
				console.error("[lajaxAddXHR] invalid number of arguments: " + arguments.length);
				return;
		}
		lqueueCleaned = false;
	};
	ISL.lajax = function(){
		ISL.lajaxAddXHR.apply(this, arguments);
		XHttpRequestLight();
	};
	ISL.lajaxClean = function(){
		lqueue.length = 0;
		lrequestInProgress = false;
		lqueueCleaned = true;
	};
	ISL.lajaxLength = function(){ return lqueue.length; };
})();