476 lines
15 KiB
JavaScript
476 lines
15 KiB
JavaScript
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(function() {
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var IMAGE_STYLES, Reloader, numberOfMatchingSegments, pathFromUrl, pathsMatch, pickBestMatch, splitUrl;
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splitUrl = function(url) {
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var comboSign, hash, index, params;
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if ((index = url.indexOf('#')) >= 0) {
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hash = url.slice(index);
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url = url.slice(0, index);
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} else {
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hash = '';
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}
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comboSign = url.indexOf('??');
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if (comboSign >= 0) {
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if (comboSign + 1 !== url.lastIndexOf('?')) {
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index = url.lastIndexOf('?');
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}
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} else {
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index = url.indexOf('?');
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}
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if (index >= 0) {
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params = url.slice(index);
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url = url.slice(0, index);
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} else {
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params = '';
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}
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return {
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url: url,
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params: params,
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hash: hash
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};
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};
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pathFromUrl = function(url) {
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var path;
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url = splitUrl(url).url;
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if (url.indexOf('file://') === 0) {
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path = url.replace(/^file:\/\/(localhost)?/, '');
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} else {
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path = url.replace(/^([^:]+:)?\/\/([^:\/]+)(:\d*)?\//, '/');
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}
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return decodeURIComponent(path);
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};
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pickBestMatch = function(path, objects, pathFunc) {
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var bestMatch, i, len1, object, score;
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bestMatch = {
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score: 0
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};
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for (i = 0, len1 = objects.length; i < len1; i++) {
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object = objects[i];
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score = numberOfMatchingSegments(path, pathFunc(object));
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if (score > bestMatch.score) {
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bestMatch = {
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object: object,
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score: score
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};
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}
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}
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if (bestMatch.score > 0) {
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return bestMatch;
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} else {
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return null;
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}
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};
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numberOfMatchingSegments = function(path1, path2) {
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var comps1, comps2, eqCount, len;
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path1 = path1.replace(/^\/+/, '').toLowerCase();
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path2 = path2.replace(/^\/+/, '').toLowerCase();
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if (path1 === path2) {
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return 10000;
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}
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comps1 = path1.split('/').reverse();
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comps2 = path2.split('/').reverse();
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len = Math.min(comps1.length, comps2.length);
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eqCount = 0;
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while (eqCount < len && comps1[eqCount] === comps2[eqCount]) {
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++eqCount;
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}
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return eqCount;
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};
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pathsMatch = function(path1, path2) {
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return numberOfMatchingSegments(path1, path2) > 0;
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};
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IMAGE_STYLES = [
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{
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selector: 'background',
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styleNames: ['backgroundImage']
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}, {
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selector: 'border',
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styleNames: ['borderImage', 'webkitBorderImage', 'MozBorderImage']
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}
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];
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exports.Reloader = Reloader = (function() {
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function Reloader(window, console, Timer) {
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this.window = window;
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this.console = console;
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this.Timer = Timer;
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this.document = this.window.document;
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this.importCacheWaitPeriod = 200;
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this.plugins = [];
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}
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Reloader.prototype.addPlugin = function(plugin) {
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return this.plugins.push(plugin);
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};
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Reloader.prototype.analyze = function(callback) {
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return results;
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};
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Reloader.prototype.reload = function(path, options) {
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var base, i, len1, plugin, ref;
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this.options = options;
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if ((base = this.options).stylesheetReloadTimeout == null) {
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base.stylesheetReloadTimeout = 15000;
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}
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ref = this.plugins;
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for (i = 0, len1 = ref.length; i < len1; i++) {
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plugin = ref[i];
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if (plugin.reload && plugin.reload(path, options)) {
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return;
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}
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}
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if (options.liveCSS && path.match(/\.css(?:\.map)?$/i)) {
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if (this.reloadStylesheet(path)) {
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return;
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}
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}
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if (options.liveImg && path.match(/\.(jpe?g|png|gif)$/i)) {
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this.reloadImages(path);
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return;
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}
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if (options.isChromeExtension) {
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this.reloadChromeExtension();
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return;
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}
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return this.reloadPage();
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};
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Reloader.prototype.reloadPage = function() {
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return this.window.document.location.reload();
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};
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Reloader.prototype.reloadChromeExtension = function() {
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return this.window.chrome.runtime.reload();
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};
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Reloader.prototype.reloadImages = function(path) {
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var expando, i, img, j, k, len1, len2, len3, len4, m, ref, ref1, ref2, ref3, results1, selector, styleNames, styleSheet;
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expando = this.generateUniqueString();
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ref = this.document.images;
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for (i = 0, len1 = ref.length; i < len1; i++) {
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img = ref[i];
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if (pathsMatch(path, pathFromUrl(img.src))) {
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img.src = this.generateCacheBustUrl(img.src, expando);
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}
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}
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if (this.document.querySelectorAll) {
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for (j = 0, len2 = IMAGE_STYLES.length; j < len2; j++) {
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ref1 = IMAGE_STYLES[j], selector = ref1.selector, styleNames = ref1.styleNames;
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ref2 = this.document.querySelectorAll("[style*=" + selector + "]");
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for (k = 0, len3 = ref2.length; k < len3; k++) {
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img = ref2[k];
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this.reloadStyleImages(img.style, styleNames, path, expando);
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}
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}
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}
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if (this.document.styleSheets) {
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ref3 = this.document.styleSheets;
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results1 = [];
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for (m = 0, len4 = ref3.length; m < len4; m++) {
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styleSheet = ref3[m];
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results1.push(this.reloadStylesheetImages(styleSheet, path, expando));
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}
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return results1;
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}
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};
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Reloader.prototype.reloadStylesheetImages = function(styleSheet, path, expando) {
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var e, error, i, j, len1, len2, rule, rules, styleNames;
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try {
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rules = styleSheet != null ? styleSheet.cssRules : void 0;
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} catch (error) {
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e = error;
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}
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if (!rules) {
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return;
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}
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for (i = 0, len1 = rules.length; i < len1; i++) {
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rule = rules[i];
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switch (rule.type) {
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case CSSRule.IMPORT_RULE:
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this.reloadStylesheetImages(rule.styleSheet, path, expando);
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break;
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case CSSRule.STYLE_RULE:
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for (j = 0, len2 = IMAGE_STYLES.length; j < len2; j++) {
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styleNames = IMAGE_STYLES[j].styleNames;
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this.reloadStyleImages(rule.style, styleNames, path, expando);
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}
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break;
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case CSSRule.MEDIA_RULE:
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this.reloadStylesheetImages(rule, path, expando);
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}
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}
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};
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Reloader.prototype.reloadStyleImages = function(style, styleNames, path, expando) {
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var i, len1, newValue, styleName, value;
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for (i = 0, len1 = styleNames.length; i < len1; i++) {
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styleName = styleNames[i];
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value = style[styleName];
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if (typeof value === 'string') {
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newValue = value.replace(/\burl\s*\(([^)]*)\)/, (function(_this) {
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return function(match, src) {
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if (pathsMatch(path, pathFromUrl(src))) {
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return "url(" + (_this.generateCacheBustUrl(src, expando)) + ")";
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} else {
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return match;
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}
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};
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})(this));
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if (newValue !== value) {
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style[styleName] = newValue;
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}
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}
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}
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};
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Reloader.prototype.reloadStylesheet = function(path) {
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var i, imported, j, k, len1, len2, len3, len4, link, links, m, match, ref, ref1, style;
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links = (function() {
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var i, len1, ref, results1;
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ref = this.document.getElementsByTagName('link');
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results1 = [];
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for (i = 0, len1 = ref.length; i < len1; i++) {
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link = ref[i];
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if (link.rel.match(/^stylesheet$/i) && !link.__LiveReload_pendingRemoval) {
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results1.push(link);
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}
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}
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return results1;
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}).call(this);
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imported = [];
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ref = this.document.getElementsByTagName('style');
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for (i = 0, len1 = ref.length; i < len1; i++) {
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style = ref[i];
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if (style.sheet) {
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this.collectImportedStylesheets(style, style.sheet, imported);
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}
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}
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for (j = 0, len2 = links.length; j < len2; j++) {
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link = links[j];
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this.collectImportedStylesheets(link, link.sheet, imported);
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}
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if (this.window.StyleFix && this.document.querySelectorAll) {
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ref1 = this.document.querySelectorAll('style[data-href]');
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for (k = 0, len3 = ref1.length; k < len3; k++) {
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style = ref1[k];
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links.push(style);
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}
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}
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this.console.log("LiveReload found " + links.length + " LINKed stylesheets, " + imported.length + " @imported stylesheets");
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match = pickBestMatch(path, links.concat(imported), (function(_this) {
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return function(l) {
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return pathFromUrl(_this.linkHref(l));
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};
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})(this));
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if (match) {
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if (match.object.rule) {
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this.console.log("LiveReload is reloading imported stylesheet: " + match.object.href);
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this.reattachImportedRule(match.object);
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} else {
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this.console.log("LiveReload is reloading stylesheet: " + (this.linkHref(match.object)));
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this.reattachStylesheetLink(match.object);
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}
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} else {
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if (this.options.reloadMissingCSS) {
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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'.");
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for (m = 0, len4 = links.length; m < len4; m++) {
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link = links[m];
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this.reattachStylesheetLink(link);
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}
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} else {
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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'.");
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}
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}
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return true;
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};
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Reloader.prototype.collectImportedStylesheets = function(link, styleSheet, result) {
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var e, error, i, index, len1, rule, rules;
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try {
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rules = styleSheet != null ? styleSheet.cssRules : void 0;
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} catch (error) {
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e = error;
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}
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if (rules && rules.length) {
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for (index = i = 0, len1 = rules.length; i < len1; index = ++i) {
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rule = rules[index];
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switch (rule.type) {
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case CSSRule.CHARSET_RULE:
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continue;
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case CSSRule.IMPORT_RULE:
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result.push({
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link: link,
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rule: rule,
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index: index,
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href: rule.href
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});
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this.collectImportedStylesheets(link, rule.styleSheet, result);
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break;
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default:
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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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Reloader.prototype.waitUntilCssLoads = function(clone, func) {
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var callbackExecuted, executeCallback, poll;
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callbackExecuted = false;
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executeCallback = (function(_this) {
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return function() {
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if (callbackExecuted) {
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return;
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}
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callbackExecuted = true;
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return func();
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};
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})(this);
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clone.onload = (function(_this) {
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return function() {
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_this.console.log("LiveReload: the new stylesheet has finished loading");
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_this.knownToSupportCssOnLoad = true;
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return executeCallback();
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};
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})(this);
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if (!this.knownToSupportCssOnLoad) {
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(poll = (function(_this) {
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return function() {
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if (clone.sheet) {
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_this.console.log("LiveReload is polling until the new CSS finishes loading...");
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return executeCallback();
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} else {
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return _this.Timer.start(50, poll);
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}
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};
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})(this))();
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}
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return this.Timer.start(this.options.stylesheetReloadTimeout, executeCallback);
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};
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Reloader.prototype.linkHref = function(link) {
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return link.href || link.getAttribute('data-href');
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};
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Reloader.prototype.reattachStylesheetLink = function(link) {
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var clone, parent;
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if (link.__LiveReload_pendingRemoval) {
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return;
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}
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link.__LiveReload_pendingRemoval = true;
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if (link.tagName === 'STYLE') {
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clone = this.document.createElement('link');
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clone.rel = 'stylesheet';
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clone.media = link.media;
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|
|
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);
|