require.js in just 793 chars -- even works from local CSCRIPT.EXE JScript.js (because not everybody runs Node) -- var exports = require('moduleName')

require.js

// require.js in just 793 chars -- even works from local CSCRIPT.EXE JScript.js (because not everybody runs Node) -- var exports = require('moduleName')

(function(a){var b={},c=[],d=function(a,d){var f={exports:{}},g=a.length?e.resolve(a,c[0]):"",h=e.fetch(g),i=null!=h&&eval("[(function(exports,require,module,__filename,__dirname){"+(h+"})][0]"));if(i){b[d]=f.exports,c.unshift(g);try{i(b[d],e,f,g,e.dir(g))}catch(a){}return c.shift(),f.exports}},e=function(a){var c=(a+"").replace(/\\/g,"/").replace(/\.js$/i,""),e=c.toLowerCase();if(a)return e in b?b[e]:d(c,e)};e.resolve=function(a,b){return(/^\.{1,2}/.test(a)?e.dir(b||location.href.replace(/\\/g,"/"))+"/":"")+a+".js"},e.fetch=function(a){try{var b=a.length&&new XMLHttpRequest,c=b&&(b.send(b.open("GET",a,!1)),b.status),d=b&&b.responseText;if(200===c||d.length&&!c)return d}catch(a){}},e.dir=function(a){var b=a.lastIndexOf("/");return 0>b?"":a.slice(0,b)},a.require=a.require||e})(this);


(function(globalContext){

var moduleName = "require";

var cache = {};

var loading = [];

var fetchModule = function(identifier, key) {
	var mod = { exports: {} };
	var filename = !identifier.length ? ""
		: out.resolve( identifier, loading[0] );

	var text = out.fetch(filename);
	var func = text != null && (0, eval)(
		"[(function(exports,require,module,__filename,__dirname){"
		+ String(text) + "})][0]"
	);
	if(!func)return;

	cache[key] = mod.exports;
	loading.unshift(filename);
	try {
		func( cache[key], out, mod, filename, out.dir(filename) );
	} catch(e) {};
	loading.shift();

	return mod.exports;
};

var out = function(moduleId) {
	var identifier = String(moduleId)
		.replace(/\\/g, "/")
		.replace(/\.js$/i, "");
	var cacheKey = identifier.toLowerCase();
	if(moduleId)return cacheKey in cache ? cache[cacheKey]
		: fetchModule(identifier, cacheKey);
};

out.resolve = function(identifier, root) {
	return (
		/^\.{1,2}/.test(identifier) ? out.dir(
			root || location.href.replace(/\\/g, "/")
		) + "/" : ""
	) + identifier + ".js";
};

out.fetch = function(url) {
	try {
		var xhr = url.length && new XMLHttpRequest;
		var code = xhr && (
			xhr.send( xhr.open("GET", url, false) ),
			xhr.status
		);
		var text = xhr && xhr.responseText;
		if( code === 200 || ( text.length && !code ) )return text;
	} catch(e) {};
};

out.dir = function(filename) {
	var finalSlash = filename.lastIndexOf("/");
	return finalSlash < 0 ? "" : filename.slice(0, finalSlash);
};

globalContext[moduleName] = globalContext[moduleName] || out;

})(this);