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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,200 @@ | ||
| define(['require', './normalize'], function(req, normalize) { | ||
| var cssAPI = {}; | ||
|
|
||
| var isWindows = !!process.platform.match(/^win/); | ||
|
|
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| function compress(css) { | ||
| if (config.optimizeCss == 'none') { | ||
| return css; | ||
| } | ||
| if (typeof process !== "undefined" && process.versions && !!process.versions.node && require.nodeRequire) { | ||
| try { | ||
| var csso = require.nodeRequire('csso'); | ||
| } | ||
| catch(e) { | ||
| console.log('Compression module not installed. Use "npm install csso -g" to enable.'); | ||
| return css; | ||
| } | ||
| var csslen = css.length; | ||
| try { | ||
| css = csso.justDoIt(css); | ||
| } | ||
| catch(e) { | ||
| console.log('Compression failed due to a CSS syntax error.'); | ||
| return css; | ||
| } | ||
| console.log('Compressed CSS output to ' + Math.round(css.length / csslen * 100) + '%.'); | ||
| return css; | ||
| } | ||
| console.log('Compression not supported outside of nodejs environments.'); | ||
| return css; | ||
| } | ||
|
|
||
| //load file code - stolen from text plugin | ||
| function loadFile(path) { | ||
| if (typeof process !== "undefined" && process.versions && !!process.versions.node && require.nodeRequire) { | ||
| var fs = require.nodeRequire('fs'); | ||
| var file = fs.readFileSync(path, 'utf8'); | ||
| if (file.indexOf('\uFEFF') === 0) | ||
| return file.substring(1); | ||
| return file; | ||
| } | ||
| else { | ||
| var file = new java.io.File(path), | ||
| lineSeparator = java.lang.System.getProperty("line.separator"), | ||
| input = new java.io.BufferedReader(new java.io.InputStreamReader(new java.io.FileInputStream(file), 'utf-8')), | ||
| stringBuffer, line; | ||
| try { | ||
| stringBuffer = new java.lang.StringBuffer(); | ||
| line = input.readLine(); | ||
| if (line && line.length() && line.charAt(0) === 0xfeff) | ||
| line = line.substring(1); | ||
| stringBuffer.append(line); | ||
| while ((line = input.readLine()) !== null) { | ||
| stringBuffer.append(lineSeparator).append(line); | ||
| } | ||
| return String(stringBuffer.toString()); | ||
| } | ||
| finally { | ||
| input.close(); | ||
| } | ||
| } | ||
| } | ||
|
|
||
|
|
||
| function saveFile(path, data) { | ||
| if (typeof process !== "undefined" && process.versions && !!process.versions.node && require.nodeRequire) { | ||
| var fs = require.nodeRequire('fs'); | ||
| fs.writeFileSync(path, data, 'utf8'); | ||
| } | ||
| else { | ||
| var content = new java.lang.String(data); | ||
| var output = new java.io.BufferedWriter(new java.io.OutputStreamWriter(new java.io.FileOutputStream(path), 'utf-8')); | ||
|
|
||
| try { | ||
| output.write(content, 0, content.length()); | ||
| output.flush(); | ||
| } | ||
| finally { | ||
| output.close(); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| //when adding to the link buffer, paths are normalised to the baseUrl | ||
| //when removing from the link buffer, paths are normalised to the output file path | ||
| function escape(content) { | ||
| return content.replace(/(["'\\])/g, '\\$1') | ||
| .replace(/[\f]/g, "\\f") | ||
| .replace(/[\b]/g, "\\b") | ||
| .replace(/[\n]/g, "\\n") | ||
| .replace(/[\t]/g, "\\t") | ||
| .replace(/[\r]/g, "\\r"); | ||
| } | ||
|
|
||
| // NB add @media query support for media imports | ||
| var importRegEx = /@import\s*(url)?\s*(('([^']*)'|"([^"]*)")|\(('([^']*)'|"([^"]*)"|([^\)]*))\))\s*;?/g; | ||
| var absUrlRegEx = /^([^\:\/]+:\/)?\//; | ||
|
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||
|
|
||
| var siteRoot; | ||
|
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||
| var baseParts = req.toUrl('base_url').split('/'); | ||
| baseParts[baseParts.length - 1] = ''; | ||
| var baseUrl = baseParts.join('/'); | ||
|
|
||
| var curModule = 0; | ||
| var config; | ||
|
|
||
| var layerBuffer = []; | ||
| var cssBuffer = {}; | ||
|
|
||
| cssAPI.load = function(name, req, load, _config) { | ||
|
|
||
| //store config | ||
| config = config || _config; | ||
|
|
||
| if (!siteRoot) { | ||
| siteRoot = path.resolve(config.dir || path.dirname(config.out), config.siteRoot || '.') + '/'; | ||
| if (isWindows) | ||
| siteRoot = siteRoot.replace(/\\/g, '/'); | ||
| } | ||
|
|
||
| //external URLS don't get added (just like JS requires) | ||
| if (name.match(absUrlRegEx)) | ||
| return load(); | ||
|
|
||
| var fileUrl = req.toUrl(name + '.css'); | ||
| if (isWindows) | ||
| fileUrl = fileUrl.replace(/\\/g, '/'); | ||
|
|
||
| // rebase to the output directory if based on the source directory; | ||
| // baseUrl points always to the output directory, fileUrl only if | ||
| // it is not prefixed by a computed path (relative too) | ||
| var fileSiteUrl = fileUrl; | ||
| if (fileSiteUrl.indexOf(baseUrl) < 0) { | ||
| var appRoot = req.toUrl(config.appDir); | ||
| if (isWindows) | ||
| appRoot = appRoot.replace(/\\/g, '/'); | ||
| if (fileSiteUrl.indexOf(appRoot) == 0) | ||
| fileSiteUrl = siteRoot + fileSiteUrl.substring(appRoot.length); | ||
| } | ||
|
|
||
| //add to the buffer | ||
| cssBuffer[name] = normalize(loadFile(fileUrl), fileSiteUrl, siteRoot); | ||
|
|
||
| load(); | ||
| } | ||
|
|
||
| cssAPI.normalize = function(name, normalize) { | ||
| if (name.substr(name.length - 4, 4) == '.css') | ||
| name = name.substr(0, name.length - 4); | ||
| return normalize(name); | ||
| } | ||
|
|
||
| cssAPI.write = function(pluginName, moduleName, write, parse) { | ||
| //external URLS don't get added (just like JS requires) | ||
| if (moduleName.match(absUrlRegEx)) | ||
| return; | ||
|
|
||
| layerBuffer.push(cssBuffer[moduleName]); | ||
|
|
||
| if (config.buildCSS != false) | ||
| write.asModule(pluginName + '!' + moduleName, 'define(function(){})'); | ||
| } | ||
|
|
||
| cssAPI.onLayerEnd = function(write, data) { | ||
| if (config.separateCSS && config.IESelectorLimit) | ||
| throw 'RequireCSS: separateCSS option is not compatible with ensuring the IE selector limit'; | ||
|
|
||
| if (config.separateCSS) { | ||
| var outPath = data.path.replace(/(\.js)?$/, '.css'); | ||
| console.log('Writing CSS! file: ' + outPath + '\n'); | ||
|
|
||
| var css = layerBuffer.join(''); | ||
|
|
||
| process.nextTick(function() { | ||
| if (fs.existsSync(outPath)) { | ||
| css = css + fs.readFileSync(outPath, {encoding: 'utf8'}); | ||
| } | ||
| saveFile(outPath, compress(css)); | ||
| }); | ||
|
|
||
| } | ||
| else if (config.buildCSS != false) { | ||
| var styles = config.IESelectorLimit ? layerBuffer : [layerBuffer.join('')]; | ||
| for (var i = 0; i < styles.length; i++) { | ||
| if (styles[i] == '') | ||
| return; | ||
| write( | ||
| "(function(c){var d=document,a='appendChild',i='styleSheet',s=d.createElement('style');s.type='text/css';d.getElementsByTagName('head')[0][a](s);s[i]?s[i].cssText=c:s[a](d.createTextNode(c));})\n" | ||
| + "('" + escape(compress(styles[i])) + "');\n" | ||
| ); | ||
| } | ||
| } | ||
| //clear layer buffer for next layer | ||
| layerBuffer = []; | ||
| } | ||
|
|
||
| return cssAPI; | ||
| }); |
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