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- (function() {
- var IMAGE_STYLES, Reloader, numberOfMatchingSegments, pathFromUrl, pathsMatch, pickBestMatch, splitUrl;
- splitUrl = function(url) {
- var comboSign, hash, index, params;
- if ((index = url.indexOf('#')) >= 0) {
- hash = url.slice(index);
- url = url.slice(0, index);
- } else {
- hash = '';
- }
- comboSign = url.indexOf('??');
- if (comboSign >= 0) {
- if (comboSign + 1 !== url.lastIndexOf('?')) {
- index = url.lastIndexOf('?');
- }
- } else {
- index = url.indexOf('?');
- }
- if (index >= 0) {
- params = url.slice(index);
- url = url.slice(0, index);
- } else {
- params = '';
- }
- return {
- url: url,
- params: params,
- hash: hash
- };
- };
- pathFromUrl = function(url) {
- var path;
- url = splitUrl(url).url;
- if (url.indexOf('file://') === 0) {
- path = url.replace(/^file:\/\/(localhost)?/, '');
- } else {
- path = url.replace(/^([^:]+:)?\/\/([^:\/]+)(:\d*)?\//, '/');
- }
- return decodeURIComponent(path);
- };
- pickBestMatch = function(path, objects, pathFunc) {
- var bestMatch, i, len1, object, score;
- bestMatch = {
- score: 0
- };
- for (i = 0, len1 = objects.length; i < len1; i++) {
- object = objects[i];
- score = numberOfMatchingSegments(path, pathFunc(object));
- if (score > bestMatch.score) {
- bestMatch = {
- object: object,
- score: score
- };
- }
- }
- if (bestMatch.score > 0) {
- return bestMatch;
- } else {
- return null;
- }
- };
- numberOfMatchingSegments = function(path1, path2) {
- var comps1, comps2, eqCount, len;
- path1 = path1.replace(/^\/+/, '').toLowerCase();
- path2 = path2.replace(/^\/+/, '').toLowerCase();
- if (path1 === path2) {
- return 10000;
- }
- comps1 = path1.split('/').reverse();
- comps2 = path2.split('/').reverse();
- len = Math.min(comps1.length, comps2.length);
- eqCount = 0;
- while (eqCount < len && comps1[eqCount] === comps2[eqCount]) {
- ++eqCount;
- }
- return eqCount;
- };
- pathsMatch = function(path1, path2) {
- return numberOfMatchingSegments(path1, path2) > 0;
- };
- IMAGE_STYLES = [
- {
- selector: 'background',
- styleNames: ['backgroundImage']
- }, {
- selector: 'border',
- styleNames: ['borderImage', 'webkitBorderImage', 'MozBorderImage']
- }
- ];
- exports.Reloader = Reloader = (function() {
- function Reloader(window, console, Timer) {
- this.window = window;
- this.console = console;
- this.Timer = Timer;
- this.document = this.window.document;
- this.importCacheWaitPeriod = 200;
- this.plugins = [];
- }
- Reloader.prototype.addPlugin = function(plugin) {
- return this.plugins.push(plugin);
- };
- Reloader.prototype.analyze = function(callback) {
- return results;
- };
- Reloader.prototype.reload = function(path, options) {
- var base, i, len1, plugin, ref;
- this.options = options;
- if ((base = this.options).stylesheetReloadTimeout == null) {
- base.stylesheetReloadTimeout = 15000;
- }
- ref = this.plugins;
- for (i = 0, len1 = ref.length; i < len1; i++) {
- plugin = ref[i];
- if (plugin.reload && plugin.reload(path, options)) {
- return;
- }
- }
- if (options.liveCSS && path.match(/\.css(?:\.map)?$/i)) {
- if (this.reloadStylesheet(path)) {
- return;
- }
- }
- if (options.liveImg && path.match(/\.(jpe?g|png|gif)$/i)) {
- this.reloadImages(path);
- return;
- }
- if (options.isChromeExtension) {
- this.reloadChromeExtension();
- return;
- }
- return this.reloadPage();
- };
- Reloader.prototype.reloadPage = function() {
- return this.window.document.location.reload();
- };
- Reloader.prototype.reloadChromeExtension = function() {
- return this.window.chrome.runtime.reload();
- };
- Reloader.prototype.reloadImages = function(path) {
- var expando, i, img, j, k, len1, len2, len3, len4, m, ref, ref1, ref2, ref3, results1, selector, styleNames, styleSheet;
- expando = this.generateUniqueString();
- ref = this.document.images;
- for (i = 0, len1 = ref.length; i < len1; i++) {
- img = ref[i];
- if (pathsMatch(path, pathFromUrl(img.src))) {
- img.src = this.generateCacheBustUrl(img.src, expando);
- }
- }
- if (this.document.querySelectorAll) {
- for (j = 0, len2 = IMAGE_STYLES.length; j < len2; j++) {
- ref1 = IMAGE_STYLES[j], selector = ref1.selector, styleNames = ref1.styleNames;
- ref2 = this.document.querySelectorAll("[style*=" + selector + "]");
- for (k = 0, len3 = ref2.length; k < len3; k++) {
- img = ref2[k];
- this.reloadStyleImages(img.style, styleNames, path, expando);
- }
- }
- }
- if (this.document.styleSheets) {
- ref3 = this.document.styleSheets;
- results1 = [];
- for (m = 0, len4 = ref3.length; m < len4; m++) {
- styleSheet = ref3[m];
- results1.push(this.reloadStylesheetImages(styleSheet, path, expando));
- }
- return results1;
- }
- };
- Reloader.prototype.reloadStylesheetImages = function(styleSheet, path, expando) {
- var e, error, i, j, len1, len2, rule, rules, styleNames;
- try {
- rules = styleSheet != null ? styleSheet.cssRules : void 0;
- } catch (error) {
- e = error;
- }
- if (!rules) {
- return;
- }
- for (i = 0, len1 = rules.length; i < len1; i++) {
- rule = rules[i];
- switch (rule.type) {
- case CSSRule.IMPORT_RULE:
- this.reloadStylesheetImages(rule.styleSheet, path, expando);
- break;
- case CSSRule.STYLE_RULE:
- for (j = 0, len2 = IMAGE_STYLES.length; j < len2; j++) {
- styleNames = IMAGE_STYLES[j].styleNames;
- this.reloadStyleImages(rule.style, styleNames, path, expando);
- }
- break;
- case CSSRule.MEDIA_RULE:
- this.reloadStylesheetImages(rule, path, expando);
- }
- }
- };
- Reloader.prototype.reloadStyleImages = function(style, styleNames, path, expando) {
- var i, len1, newValue, styleName, value;
- for (i = 0, len1 = styleNames.length; i < len1; i++) {
- styleName = styleNames[i];
- value = style[styleName];
- if (typeof value === 'string') {
- newValue = value.replace(/\burl\s*\(([^)]*)\)/, (function(_this) {
- return function(match, src) {
- if (pathsMatch(path, pathFromUrl(src))) {
- return "url(" + (_this.generateCacheBustUrl(src, expando)) + ")";
- } else {
- return match;
- }
- };
- })(this));
- if (newValue !== value) {
- style[styleName] = newValue;
- }
- }
- }
- };
- Reloader.prototype.reloadStylesheet = function(path) {
- var i, imported, j, k, len1, len2, len3, len4, link, links, m, match, ref, ref1, style;
- links = (function() {
- var i, len1, ref, results1;
- ref = this.document.getElementsByTagName('link');
- results1 = [];
- for (i = 0, len1 = ref.length; i < len1; i++) {
- link = ref[i];
- if (link.rel.match(/^stylesheet$/i) && !link.__LiveReload_pendingRemoval) {
- results1.push(link);
- }
- }
- return results1;
- }).call(this);
- imported = [];
- ref = this.document.getElementsByTagName('style');
- for (i = 0, len1 = ref.length; i < len1; i++) {
- style = ref[i];
- if (style.sheet) {
- this.collectImportedStylesheets(style, style.sheet, imported);
- }
- }
- for (j = 0, len2 = links.length; j < len2; j++) {
- link = links[j];
- this.collectImportedStylesheets(link, link.sheet, imported);
- }
- if (this.window.StyleFix && this.document.querySelectorAll) {
- ref1 = this.document.querySelectorAll('style[data-href]');
- for (k = 0, len3 = ref1.length; k < len3; k++) {
- style = ref1[k];
- links.push(style);
- }
- }
- this.console.log("LiveReload found " + links.length + " LINKed stylesheets, " + imported.length + " @imported stylesheets");
- match = pickBestMatch(path, links.concat(imported), (function(_this) {
- return function(l) {
- return pathFromUrl(_this.linkHref(l));
- };
- })(this));
- if (match) {
- if (match.object.rule) {
- this.console.log("LiveReload is reloading imported stylesheet: " + match.object.href);
- this.reattachImportedRule(match.object);
- } else {
- this.console.log("LiveReload is reloading stylesheet: " + (this.linkHref(match.object)));
- this.reattachStylesheetLink(match.object);
- }
- } else {
- if (this.options.reloadMissingCSS) {
- this.console.log("LiveReload will reload all stylesheets because path '" + path + "' did not match any specific one. To disable this behavior, set 'options.reloadMissingCSS' to 'false'.");
- for (m = 0, len4 = links.length; m < len4; m++) {
- link = links[m];
- this.reattachStylesheetLink(link);
- }
- } else {
- this.console.log("LiveReload will not reload path '" + path + "' because the stylesheet was not found on the page and 'options.reloadMissingCSS' was set to 'false'.");
- }
- }
- return true;
- };
- Reloader.prototype.collectImportedStylesheets = function(link, styleSheet, result) {
- var e, error, i, index, len1, rule, rules;
- try {
- rules = styleSheet != null ? styleSheet.cssRules : void 0;
- } catch (error) {
- e = error;
- }
- if (rules && rules.length) {
- for (index = i = 0, len1 = rules.length; i < len1; index = ++i) {
- rule = rules[index];
- switch (rule.type) {
- case CSSRule.CHARSET_RULE:
- continue;
- case CSSRule.IMPORT_RULE:
- result.push({
- link: link,
- rule: rule,
- index: index,
- href: rule.href
- });
- this.collectImportedStylesheets(link, rule.styleSheet, result);
- break;
- default:
- break;
- }
- }
- }
- };
- Reloader.prototype.waitUntilCssLoads = function(clone, func) {
- var callbackExecuted, executeCallback, poll;
- callbackExecuted = false;
- executeCallback = (function(_this) {
- return function() {
- if (callbackExecuted) {
- return;
- }
- callbackExecuted = true;
- return func();
- };
- })(this);
- clone.onload = (function(_this) {
- return function() {
- _this.console.log("LiveReload: the new stylesheet has finished loading");
- _this.knownToSupportCssOnLoad = true;
- return executeCallback();
- };
- })(this);
- if (!this.knownToSupportCssOnLoad) {
- (poll = (function(_this) {
- return function() {
- if (clone.sheet) {
- _this.console.log("LiveReload is polling until the new CSS finishes loading...");
- return executeCallback();
- } else {
- return _this.Timer.start(50, poll);
- }
- };
- })(this))();
- }
- return this.Timer.start(this.options.stylesheetReloadTimeout, executeCallback);
- };
- Reloader.prototype.linkHref = function(link) {
- return link.href || link.getAttribute('data-href');
- };
- Reloader.prototype.reattachStylesheetLink = function(link) {
- var clone, parent;
- if (link.__LiveReload_pendingRemoval) {
- return;
- }
- link.__LiveReload_pendingRemoval = true;
- if (link.tagName === 'STYLE') {
- clone = this.document.createElement('link');
- clone.rel = 'stylesheet';
- clone.media = link.media;
- clone.disabled = link.disabled;
- } else {
- clone = link.cloneNode(false);
- }
- clone.href = this.generateCacheBustUrl(this.linkHref(link));
- parent = link.parentNode;
- if (parent.lastChild === link) {
- parent.appendChild(clone);
- } else {
- parent.insertBefore(clone, link.nextSibling);
- }
- return this.waitUntilCssLoads(clone, (function(_this) {
- return function() {
- var additionalWaitingTime;
- if (/AppleWebKit/.test(navigator.userAgent)) {
- additionalWaitingTime = 5;
- } else {
- additionalWaitingTime = 200;
- }
- return _this.Timer.start(additionalWaitingTime, function() {
- var ref;
- if (!link.parentNode) {
- return;
- }
- link.parentNode.removeChild(link);
- clone.onreadystatechange = null;
- return (ref = _this.window.StyleFix) != null ? ref.link(clone) : void 0;
- });
- };
- })(this));
- };
- Reloader.prototype.reattachImportedRule = function(arg) {
- var href, index, link, media, newRule, parent, rule, tempLink;
- rule = arg.rule, index = arg.index, link = arg.link;
- parent = rule.parentStyleSheet;
- href = this.generateCacheBustUrl(rule.href);
- media = rule.media.length ? [].join.call(rule.media, ', ') : '';
- newRule = "@import url(\"" + href + "\") " + media + ";";
- rule.__LiveReload_newHref = href;
- tempLink = this.document.createElement("link");
- tempLink.rel = 'stylesheet';
- tempLink.href = href;
- tempLink.__LiveReload_pendingRemoval = true;
- if (link.parentNode) {
- link.parentNode.insertBefore(tempLink, link);
- }
- return this.Timer.start(this.importCacheWaitPeriod, (function(_this) {
- return function() {
- if (tempLink.parentNode) {
- tempLink.parentNode.removeChild(tempLink);
- }
- if (rule.__LiveReload_newHref !== href) {
- return;
- }
- parent.insertRule(newRule, index);
- parent.deleteRule(index + 1);
- rule = parent.cssRules[index];
- rule.__LiveReload_newHref = href;
- return _this.Timer.start(_this.importCacheWaitPeriod, function() {
- if (rule.__LiveReload_newHref !== href) {
- return;
- }
- parent.insertRule(newRule, index);
- return parent.deleteRule(index + 1);
- });
- };
- })(this));
- };
- Reloader.prototype.generateUniqueString = function() {
- return 'livereload=' + Date.now();
- };
- Reloader.prototype.generateCacheBustUrl = function(url, expando) {
- var hash, oldParams, originalUrl, params, ref;
- if (expando == null) {
- expando = this.generateUniqueString();
- }
- ref = splitUrl(url), url = ref.url, hash = ref.hash, oldParams = ref.params;
- if (this.options.overrideURL) {
- if (url.indexOf(this.options.serverURL) < 0) {
- originalUrl = url;
- url = this.options.serverURL + this.options.overrideURL + "?url=" + encodeURIComponent(url);
- this.console.log("LiveReload is overriding source URL " + originalUrl + " with " + url);
- }
- }
- params = oldParams.replace(/(\?|&)livereload=(\d+)/, function(match, sep) {
- return "" + sep + expando;
- });
- if (params === oldParams) {
- if (oldParams.length === 0) {
- params = "?" + expando;
- } else {
- params = oldParams + "&" + expando;
- }
- }
- return url + params + hash;
- };
- return Reloader;
- })();
- }).call(this);
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