Function loadFiles

aris.js:572–636

(urls)

	};

	var loadFiles = function (urls) {
		var required = [], i, r, s, xhr, m, t, img,
		ctl = [], ctlWrap = {
			done: function (f) {
				ctl.d = isFunction(f) ? f : noop;
				return ctlWrap;
			}
		}, imageExtensions = toSet('png,bmp,gif,jpg,jpeg,svg,webp');
		ctl.c = function () {
			if (ctl.length == ctl.n && ctl.n) {
				ctl.n = 0;
				ctl.sort(function (a, b) { return a[0] - b[0]; });
				var j, r, m, el, t, url;
				for (j = 0; j < ctl.length; ++j) {
					r = ctl[j], t = r[1][1], url = r[1][2];
					if (!t && (m = url.match(fileExtRe))) 
						t = m[1].toLowerCase();
					if (t == 'css') {
						el = document.createElement('style');
						el.type = 'text/css';
						el.innerText = autoFixCSS(fixCSSRelUrls(url, r[2]).replace(/[\r\n]/g, ''));
						head.appendChild(el);
					}
					if (t == 'js') {
						el = document.createElement('script');
						// Allows easier debugging.
						el.text = '//# sourceURL=' + url + '\n' + r[2];
						head.appendChild(el).parentNode.removeChild(el);
					}
				}
				
				ctl.d();
			}
		};
		ctl.d = noop;
		for (i = 0; i < urls.length; ++i) {
			m = filePreExtRe.exec(urls[i]);
			m[0] = (isUndefined(m[1]) ? '' : m[1]) + ':' + m[2];
			required.push(m);
		}
		ctl.n = required.length;
		for (i = 0; i < ctl.n; ++i) {
			r = required[i];
			if ((''+r[1]).toLowerCase() == 'img' || 
				((m = (''+r[2]).match(fileExtRe)) && imageExtensions[m[1].toLowerCase()])) {
				img = new Image();
				img.onload = img.onerror = imageReadyChecker(img, i, r, ctl);
				img.src = r[2];
			} else {
				xhr = new XMLHttpRequest();
				xhr.onreadystatechange = fileReadyChecker(xhr, i, r, ctl);
				s = r[2].indexOf('?') > -1 ? '&' : '?';
				xhr.open('GET', r[2] + s + Math.random(), 1);
				if (s = loadedFiles[r[0]]) {
					xhr.setRequestHeader('If-Modified-Since', s[0]);
				}
				xhr.responseType = 'text';
				xhr.send();