remove live.js
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7664830875
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@ -4,11 +4,6 @@ set -e
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JS="highlight umbrella"
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# Load live.js for non-production builds for faster development
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if [ -z "$ZS_PRODUCTION" ]; then
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JS="$JS live"
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fi
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for js in $JS; do
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printf "<script type=\"application/javascript\" src=\"/assets/js/%s.js\"></script>\n" "$js"
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done
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@ -1,233 +0,0 @@
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/*
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Live.js - One script closer to Designing in the Browser
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Written for Handcraft.com by Martin Kool (@mrtnkl).
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Version 4.
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Recent change: Made stylesheet and mimetype checks case insensitive.
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http://livejs.com
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http://livejs.com/license (MIT)
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@livejs
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Include live.js#css to monitor css changes only.
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Include live.js#js to monitor js changes only.
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Include live.js#html to monitor html changes only.
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Mix and match to monitor a preferred combination such as live.js#html,css
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By default, just include live.js to monitor all css, js and html changes.
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Live.js can also be loaded as a bookmarklet. It is best to only use it for CSS then,
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as a page reload due to a change in html or css would not re-include the bookmarklet.
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To monitor CSS and be notified that it has loaded, include it as: live.js#css,notify
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*/
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(function () {
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var headers = { "Etag": 1, "Last-Modified": 1, "Content-Length": 1, "Content-Type": 1 },
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resources = {},
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pendingRequests = {},
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currentLinkElements = {},
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oldLinkElements = {},
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interval = 1000,
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loaded = false,
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active = { "html": 1, "css": 1, "js": 1 };
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var Live = {
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// performs a cycle per interval
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heartbeat: function () {
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if (document.body) {
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// make sure all resources are loaded on first activation
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if (!loaded) Live.loadresources();
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Live.checkForChanges();
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}
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setTimeout(Live.heartbeat, interval);
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},
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// loads all local css and js resources upon first activation
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loadresources: function () {
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// helper method to assert if a given url is local
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function isLocal(url) {
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var loc = document.location,
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reg = new RegExp("^\\.|^\/(?!\/)|^[\\w]((?!://).)*$|" + loc.protocol + "//" + loc.host);
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return url.match(reg);
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}
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// gather all resources
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var scripts = document.getElementsByTagName("script"),
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links = document.getElementsByTagName("link"),
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uris = [];
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// track local js urls
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for (var i = 0; i < scripts.length; i++) {
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var script = scripts[i], src = script.getAttribute("src");
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if (src && isLocal(src))
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uris.push(src);
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if (src && src.match(/\blive.js#/)) {
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for (var type in active)
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active[type] = src.match("[#,|]" + type) != null
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if (src.match("notify"))
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alert("Live.js is loaded.");
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}
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}
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if (!active.js) uris = [];
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if (active.html) uris.push(document.location.href);
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// track local css urls
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for (var i = 0; i < links.length && active.css; i++) {
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var link = links[i], rel = link.getAttribute("rel"), href = link.getAttribute("href", 2);
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if (href && rel && rel.match(new RegExp("stylesheet", "i")) && isLocal(href)) {
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uris.push(href);
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currentLinkElements[href] = link;
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}
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}
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// initialize the resources info
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for (var i = 0; i < uris.length; i++) {
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var url = uris[i];
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Live.getHead(url, function (url, info) {
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resources[url] = info;
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});
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}
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// add rule for morphing between old and new css files
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var head = document.getElementsByTagName("head")[0],
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style = document.createElement("style"),
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rule = "transition: all .3s ease-out;"
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css = [".livejs-loading * { ", rule, " -webkit-", rule, "-moz-", rule, "-o-", rule, "}"].join('');
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style.setAttribute("type", "text/css");
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head.appendChild(style);
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style.styleSheet ? style.styleSheet.cssText = css : style.appendChild(document.createTextNode(css));
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// yep
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loaded = true;
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},
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// check all tracking resources for changes
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checkForChanges: function () {
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for (var url in resources) {
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if (pendingRequests[url])
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continue;
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Live.getHead(url, function (url, newInfo) {
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var oldInfo = resources[url],
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hasChanged = false;
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resources[url] = newInfo;
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for (var header in oldInfo) {
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// do verification based on the header type
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var oldValue = oldInfo[header],
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newValue = newInfo[header],
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contentType = newInfo["Content-Type"];
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switch (header.toLowerCase()) {
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case "etag":
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if (!newValue) break;
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// fall through to default
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default:
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hasChanged = oldValue != newValue;
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break;
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}
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// if changed, act
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if (hasChanged) {
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Live.refreshResource(url, contentType);
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break;
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}
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}
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});
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}
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},
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// act upon a changed url of certain content type
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refreshResource: function (url, type) {
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switch (type.toLowerCase()) {
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// css files can be reloaded dynamically by replacing the link element
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case "text/css":
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var link = currentLinkElements[url],
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html = document.body.parentNode,
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head = link.parentNode,
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next = link.nextSibling,
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newLink = document.createElement("link");
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html.className = html.className.replace(/\s*livejs\-loading/gi, '') + ' livejs-loading';
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newLink.setAttribute("type", "text/css");
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newLink.setAttribute("rel", "stylesheet");
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newLink.setAttribute("href", url + "?now=" + new Date() * 1);
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next ? head.insertBefore(newLink, next) : head.appendChild(newLink);
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currentLinkElements[url] = newLink;
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oldLinkElements[url] = link;
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// schedule removal of the old link
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Live.removeoldLinkElements();
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break;
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// check if an html resource is our current url, then reload
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case "text/html":
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if (url != document.location.href)
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return;
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// local javascript changes cause a reload as well
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case "text/javascript":
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case "application/javascript":
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case "application/x-javascript":
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document.location.reload();
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}
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},
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// removes the old stylesheet rules only once the new one has finished loading
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removeoldLinkElements: function () {
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var pending = 0;
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for (var url in oldLinkElements) {
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// if this sheet has any cssRules, delete the old link
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try {
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var link = currentLinkElements[url],
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oldLink = oldLinkElements[url],
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html = document.body.parentNode,
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sheet = link.sheet || link.styleSheet,
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rules = sheet.rules || sheet.cssRules;
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if (rules.length >= 0) {
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oldLink.parentNode.removeChild(oldLink);
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delete oldLinkElements[url];
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setTimeout(function () {
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html.className = html.className.replace(/\s*livejs\-loading/gi, '');
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}, 100);
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}
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} catch (e) {
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pending++;
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}
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if (pending) setTimeout(Live.removeoldLinkElements, 50);
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}
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},
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// performs a HEAD request and passes the header info to the given callback
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getHead: function (url, callback) {
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pendingRequests[url] = true;
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var xhr = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XmlHttp");
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xhr.open("HEAD", url, true);
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xhr.onreadystatechange = function () {
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delete pendingRequests[url];
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if (xhr.readyState == 4 && xhr.status != 304) {
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xhr.getAllResponseHeaders();
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var info = {};
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for (var h in headers) {
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var value = xhr.getResponseHeader(h);
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// adjust the simple Etag variant to match on its significant part
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if (h.toLowerCase() == "etag" && value) value = value.replace(/^W\//, '');
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if (h.toLowerCase() == "content-type" && value) value = value.replace(/^(.*?);.*?$/i, "$1");
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info[h] = value;
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}
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callback(url, info);
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}
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}
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xhr.send();
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}
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};
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// start listening
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if (document.location.protocol != "file:") {
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if (!window.liveJsLoaded)
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Live.heartbeat();
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window.liveJsLoaded = true;
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}
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else if (window.console)
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console.log("Live.js doesn't support the file protocol. It needs http.");
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})();
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