source: trip-planner-front/node_modules/less/lib/less-browser/index.js@ b738035

Last change on this file since b738035 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit
  • Property mode set to 100644
File size: 10.3 KB
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1"use strict";
2Object.defineProperty(exports, "__esModule", { value: true });
3var tslib_1 = require("tslib");
4//
5// index.js
6// Should expose the additional browser functions on to the less object
7//
8var utils_1 = require("./utils");
9var less_1 = tslib_1.__importDefault(require("../less"));
10var browser_1 = tslib_1.__importDefault(require("./browser"));
11var file_manager_1 = tslib_1.__importDefault(require("./file-manager"));
12var plugin_loader_1 = tslib_1.__importDefault(require("./plugin-loader"));
13var log_listener_1 = tslib_1.__importDefault(require("./log-listener"));
14var error_reporting_1 = tslib_1.__importDefault(require("./error-reporting"));
15var cache_1 = tslib_1.__importDefault(require("./cache"));
16var image_size_1 = tslib_1.__importDefault(require("./image-size"));
17exports.default = (function (window, options) {
18 var document = window.document;
19 var less = less_1.default();
20 less.options = options;
21 var environment = less.environment;
22 var FileManager = file_manager_1.default(options, less.logger);
23 var fileManager = new FileManager();
24 environment.addFileManager(fileManager);
25 less.FileManager = FileManager;
26 less.PluginLoader = plugin_loader_1.default;
27 log_listener_1.default(less, options);
28 var errors = error_reporting_1.default(window, less, options);
29 var cache = less.cache = options.cache || cache_1.default(window, options, less.logger);
30 image_size_1.default(less.environment);
31 // Setup user functions - Deprecate?
32 if (options.functions) {
33 less.functions.functionRegistry.addMultiple(options.functions);
34 }
35 var typePattern = /^text\/(x-)?less$/;
36 function clone(obj) {
37 var cloned = {};
38 for (var prop in obj) {
39 if (obj.hasOwnProperty(prop)) {
40 cloned[prop] = obj[prop];
41 }
42 }
43 return cloned;
44 }
45 // only really needed for phantom
46 function bind(func, thisArg) {
47 var curryArgs = Array.prototype.slice.call(arguments, 2);
48 return function () {
49 var args = curryArgs.concat(Array.prototype.slice.call(arguments, 0));
50 return func.apply(thisArg, args);
51 };
52 }
53 function loadStyles(modifyVars) {
54 var styles = document.getElementsByTagName('style');
55 var style;
56 for (var i = 0; i < styles.length; i++) {
57 style = styles[i];
58 if (style.type.match(typePattern)) {
59 var instanceOptions = clone(options);
60 instanceOptions.modifyVars = modifyVars;
61 var lessText = style.innerHTML || '';
62 instanceOptions.filename = document.location.href.replace(/#.*$/, '');
63 /* jshint loopfunc:true */
64 // use closure to store current style
65 less.render(lessText, instanceOptions, bind(function (style, e, result) {
66 if (e) {
67 errors.add(e, 'inline');
68 }
69 else {
70 style.type = 'text/css';
71 if (style.styleSheet) {
72 style.styleSheet.cssText = result.css;
73 }
74 else {
75 style.innerHTML = result.css;
76 }
77 }
78 }, null, style));
79 }
80 }
81 }
82 function loadStyleSheet(sheet, callback, reload, remaining, modifyVars) {
83 var instanceOptions = clone(options);
84 utils_1.addDataAttr(instanceOptions, sheet);
85 instanceOptions.mime = sheet.type;
86 if (modifyVars) {
87 instanceOptions.modifyVars = modifyVars;
88 }
89 function loadInitialFileCallback(loadedFile) {
90 var data = loadedFile.contents;
91 var path = loadedFile.filename;
92 var webInfo = loadedFile.webInfo;
93 var newFileInfo = {
94 currentDirectory: fileManager.getPath(path),
95 filename: path,
96 rootFilename: path,
97 rewriteUrls: instanceOptions.rewriteUrls
98 };
99 newFileInfo.entryPath = newFileInfo.currentDirectory;
100 newFileInfo.rootpath = instanceOptions.rootpath || newFileInfo.currentDirectory;
101 if (webInfo) {
102 webInfo.remaining = remaining;
103 var css = cache.getCSS(path, webInfo, instanceOptions.modifyVars);
104 if (!reload && css) {
105 webInfo.local = true;
106 callback(null, css, data, sheet, webInfo, path);
107 return;
108 }
109 }
110 // TODO add tests around how this behaves when reloading
111 errors.remove(path);
112 instanceOptions.rootFileInfo = newFileInfo;
113 less.render(data, instanceOptions, function (e, result) {
114 if (e) {
115 e.href = path;
116 callback(e);
117 }
118 else {
119 cache.setCSS(sheet.href, webInfo.lastModified, instanceOptions.modifyVars, result.css);
120 callback(null, result.css, data, sheet, webInfo, path);
121 }
122 });
123 }
124 fileManager.loadFile(sheet.href, null, instanceOptions, environment)
125 .then(function (loadedFile) {
126 loadInitialFileCallback(loadedFile);
127 }).catch(function (err) {
128 console.log(err);
129 callback(err);
130 });
131 }
132 function loadStyleSheets(callback, reload, modifyVars) {
133 for (var i = 0; i < less.sheets.length; i++) {
134 loadStyleSheet(less.sheets[i], callback, reload, less.sheets.length - (i + 1), modifyVars);
135 }
136 }
137 function initRunningMode() {
138 if (less.env === 'development') {
139 less.watchTimer = setInterval(function () {
140 if (less.watchMode) {
141 fileManager.clearFileCache();
142 loadStyleSheets(function (e, css, _, sheet, webInfo) {
143 if (e) {
144 errors.add(e, e.href || sheet.href);
145 }
146 else if (css) {
147 browser_1.default.createCSS(window.document, css, sheet);
148 }
149 });
150 }
151 }, options.poll);
152 }
153 }
154 //
155 // Watch mode
156 //
157 less.watch = function () {
158 if (!less.watchMode) {
159 less.env = 'development';
160 initRunningMode();
161 }
162 this.watchMode = true;
163 return true;
164 };
165 less.unwatch = function () { clearInterval(less.watchTimer); this.watchMode = false; return false; };
166 //
167 // Synchronously get all <link> tags with the 'rel' attribute set to
168 // "stylesheet/less".
169 //
170 less.registerStylesheetsImmediately = function () {
171 var links = document.getElementsByTagName('link');
172 less.sheets = [];
173 for (var i = 0; i < links.length; i++) {
174 if (links[i].rel === 'stylesheet/less' || (links[i].rel.match(/stylesheet/) &&
175 (links[i].type.match(typePattern)))) {
176 less.sheets.push(links[i]);
177 }
178 }
179 };
180 //
181 // Asynchronously get all <link> tags with the 'rel' attribute set to
182 // "stylesheet/less", returning a Promise.
183 //
184 less.registerStylesheets = function () { return new Promise(function (resolve, reject) {
185 less.registerStylesheetsImmediately();
186 resolve();
187 }); };
188 //
189 // With this function, it's possible to alter variables and re-render
190 // CSS without reloading less-files
191 //
192 less.modifyVars = function (record) { return less.refresh(true, record, false); };
193 less.refresh = function (reload, modifyVars, clearFileCache) {
194 if ((reload || clearFileCache) && clearFileCache !== false) {
195 fileManager.clearFileCache();
196 }
197 return new Promise(function (resolve, reject) {
198 var startTime;
199 var endTime;
200 var totalMilliseconds;
201 var remainingSheets;
202 startTime = endTime = new Date();
203 // Set counter for remaining unprocessed sheets
204 remainingSheets = less.sheets.length;
205 if (remainingSheets === 0) {
206 endTime = new Date();
207 totalMilliseconds = endTime - startTime;
208 less.logger.info('Less has finished and no sheets were loaded.');
209 resolve({
210 startTime: startTime,
211 endTime: endTime,
212 totalMilliseconds: totalMilliseconds,
213 sheets: less.sheets.length
214 });
215 }
216 else {
217 // Relies on less.sheets array, callback seems to be guaranteed to be called for every element of the array
218 loadStyleSheets(function (e, css, _, sheet, webInfo) {
219 if (e) {
220 errors.add(e, e.href || sheet.href);
221 reject(e);
222 return;
223 }
224 if (webInfo.local) {
225 less.logger.info("Loading " + sheet.href + " from cache.");
226 }
227 else {
228 less.logger.info("Rendered " + sheet.href + " successfully.");
229 }
230 browser_1.default.createCSS(window.document, css, sheet);
231 less.logger.info("CSS for " + sheet.href + " generated in " + (new Date() - endTime) + "ms");
232 // Count completed sheet
233 remainingSheets--;
234 // Check if the last remaining sheet was processed and then call the promise
235 if (remainingSheets === 0) {
236 totalMilliseconds = new Date() - startTime;
237 less.logger.info("Less has finished. CSS generated in " + totalMilliseconds + "ms");
238 resolve({
239 startTime: startTime,
240 endTime: endTime,
241 totalMilliseconds: totalMilliseconds,
242 sheets: less.sheets.length
243 });
244 }
245 endTime = new Date();
246 }, reload, modifyVars);
247 }
248 loadStyles(modifyVars);
249 });
250 };
251 less.refreshStyles = loadStyles;
252 return less;
253});
254//# sourceMappingURL=index.js.map
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