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							644 lines
						
					
					
						
							16 KiB
						
					
					
				| #!/usr/bin/env node | |
| "use strict"; | |
| 
 | |
| var path = require('path'); | |
| var fs = require('../lib/less-node/fs').default; | |
| var os = require('os'); | |
| var utils = require('../lib/less/utils'); | |
| var Constants = require('../lib/less/constants'); | |
| 
 | |
| var less = require('../lib/less-node').default; | |
| 
 | |
| var errno; | |
| var mkdirp; | |
| 
 | |
| try { | |
|   errno = require('errno'); | |
| } catch (err) { | |
|   errno = null; | |
| } | |
| 
 | |
| var pluginManager = new less.PluginManager(less); | |
| var fileManager = new less.FileManager(); | |
| var plugins = []; | |
| var queuePlugins = []; | |
| var args = process.argv.slice(1); | |
| var silent = false; | |
| var verbose = false; | |
| var options = less.options; | |
| options.plugins = plugins; | |
| options.reUsePluginManager = true; | |
| var sourceMapOptions = {}; | |
| var continueProcessing = true; | |
| 
 | |
| var checkArgFunc = function checkArgFunc(arg, option) { | |
|   if (!option) { | |
|     console.error("".concat(arg, " option requires a parameter")); | |
|     continueProcessing = false; | |
|     process.exitCode = 1; | |
|     return false; | |
|   } | |
| 
 | |
|   return true; | |
| }; | |
| 
 | |
| var checkBooleanArg = function checkBooleanArg(arg) { | |
|   var onOff = /^((on|t|true|y|yes)|(off|f|false|n|no))$/i.exec(arg); | |
| 
 | |
|   if (!onOff) { | |
|     console.error(" unable to parse ".concat(arg, " as a boolean. use one of on/t/true/y/yes/off/f/false/n/no")); | |
|     continueProcessing = false; | |
|     process.exitCode = 1; | |
|     return false; | |
|   } | |
| 
 | |
|   return Boolean(onOff[2]); | |
| }; | |
| 
 | |
| var parseVariableOption = function parseVariableOption(option, variables) { | |
|   var parts = option.split('=', 2); | |
|   variables[parts[0]] = parts[1]; | |
| }; | |
| 
 | |
| var sourceMapFileInline = false; | |
| 
 | |
| function printUsage() { | |
|   less.lesscHelper.printUsage(); | |
| 
 | |
|   pluginManager.Loader.printUsage(plugins); | |
|   continueProcessing = false; | |
| } | |
| 
 | |
| function render() { | |
|   if (!continueProcessing) { | |
|     return; | |
|   } | |
| 
 | |
|   var input = args[1]; | |
| 
 | |
|   if (input && input != '-') { | |
|     input = path.resolve(process.cwd(), input); | |
|   } | |
| 
 | |
|   var output = args[2]; | |
|   var outputbase = args[2]; | |
| 
 | |
|   if (output) { | |
|     output = path.resolve(process.cwd(), output); | |
|   } | |
| 
 | |
|   if (options.sourceMap) { | |
|     sourceMapOptions.sourceMapInputFilename = input; | |
| 
 | |
|     if (!sourceMapOptions.sourceMapFullFilename) { | |
|       if (!output && !sourceMapFileInline) { | |
|         console.error('the sourcemap option only has an optional filename if the css filename is given'); | |
|         console.error('consider adding --source-map-map-inline which embeds the sourcemap into the css'); | |
|         process.exitCode = 1; | |
|         return; | |
|       } // its in the same directory, so always just the basename | |
|  | |
| 
 | |
|       if (output) { | |
|         sourceMapOptions.sourceMapOutputFilename = path.basename(output); | |
|         sourceMapOptions.sourceMapFullFilename = "".concat(output, ".map"); | |
|       } // its in the same directory, so always just the basename | |
|  | |
| 
 | |
|       if ('sourceMapFullFilename' in sourceMapOptions) { | |
|         sourceMapOptions.sourceMapFilename = path.basename(sourceMapOptions.sourceMapFullFilename); | |
|       } | |
|     } else if (options.sourceMap && !sourceMapFileInline) { | |
|       var mapFilename = path.resolve(process.cwd(), sourceMapOptions.sourceMapFullFilename); | |
|       var mapDir = path.dirname(mapFilename); | |
|       var outputDir = path.dirname(output); // find the path from the map to the output file | |
|  | |
|       sourceMapOptions.sourceMapOutputFilename = path.join(path.relative(mapDir, outputDir), path.basename(output)); // make the sourcemap filename point to the sourcemap relative to the css file output directory | |
|  | |
|       sourceMapOptions.sourceMapFilename = path.join(path.relative(outputDir, mapDir), path.basename(sourceMapOptions.sourceMapFullFilename)); | |
|     } | |
| 
 | |
|     if (sourceMapOptions.sourceMapURL && sourceMapOptions.disableSourcemapAnnotation) { | |
|       console.error('You cannot provide flag --source-map-url with --source-map-no-annotation.'); | |
|       console.error('Please remove one of those flags.'); | |
|       process.exitcode = 1; | |
|       return; | |
|     } | |
|   } | |
| 
 | |
|   if (sourceMapOptions.sourceMapBasepath === undefined) { | |
|     sourceMapOptions.sourceMapBasepath = input ? path.dirname(input) : process.cwd(); | |
|   } | |
| 
 | |
|   if (sourceMapOptions.sourceMapRootpath === undefined) { | |
|     var pathToMap = path.dirname((sourceMapFileInline ? output : sourceMapOptions.sourceMapFullFilename) || '.'); | |
|     var pathToInput = path.dirname(sourceMapOptions.sourceMapInputFilename || '.'); | |
|     sourceMapOptions.sourceMapRootpath = path.relative(pathToMap, pathToInput); | |
|   } | |
| 
 | |
|   if (!input) { | |
|     console.error('lessc: no input files'); | |
|     console.error(''); | |
|     printUsage(); | |
|     process.exitCode = 1; | |
|     return; | |
|   } | |
| 
 | |
|   var ensureDirectory = function ensureDirectory(filepath) { | |
|     var dir = path.dirname(filepath); | |
|     var cmd; | |
|     var existsSync = fs.existsSync || path.existsSync; | |
| 
 | |
|     if (!existsSync(dir)) { | |
|       if (mkdirp === undefined) { | |
|         try { | |
|           mkdirp = require('make-dir'); | |
|         } catch (e) { | |
|           mkdirp = null; | |
|         } | |
|       } | |
| 
 | |
|       cmd = mkdirp && mkdirp.sync || fs.mkdirSync; | |
|       cmd(dir); | |
|     } | |
|   }; | |
| 
 | |
|   if (options.depends) { | |
|     if (!outputbase) { | |
|       console.error('option --depends requires an output path to be specified'); | |
|       process.exitCode = 1; | |
|       return; | |
|     } | |
| 
 | |
|     process.stdout.write("".concat(outputbase, ": ")); | |
|   } | |
| 
 | |
|   if (!sourceMapFileInline) { | |
|     var writeSourceMap = function writeSourceMap() { | |
|       var output = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''; | |
|       var onDone = arguments.length > 1 ? arguments[1] : undefined; | |
|       var filename = sourceMapOptions.sourceMapFullFilename; | |
|       ensureDirectory(filename); | |
| 
 | |
|       fs.writeFile(filename, output, 'utf8', function (err) { | |
|         if (err) { | |
|           var description = 'Error: '; | |
| 
 | |
|           if (errno && errno.errno[err.errno]) { | |
|             description += errno.errno[err.errno].description; | |
|           } else { | |
|             description += "".concat(err.code, " ").concat(err.message); | |
|           } | |
| 
 | |
|           console.error("lessc: failed to create file ".concat(filename)); | |
|           console.error(description); | |
|           process.exitCode = 1; | |
|         } else { | |
|           less.logger.info("lessc: wrote ".concat(filename)); | |
|         } | |
| 
 | |
|         onDone(); | |
|       }); | |
|     }; | |
|   } | |
| 
 | |
|   var writeSourceMapIfNeeded = function writeSourceMapIfNeeded(output, onDone) { | |
|     if (options.sourceMap && !sourceMapFileInline) { | |
|       writeSourceMap(output, onDone); | |
|     } else { | |
|       onDone(); | |
|     } | |
|   }; | |
| 
 | |
|   var writeOutput = function writeOutput(output, result, onSuccess) { | |
|     if (options.depends) { | |
|       onSuccess(); | |
|     } else if (output) { | |
|       ensureDirectory(output); | |
| 
 | |
|       fs.writeFile(output, result.css, { | |
|         encoding: 'utf8' | |
|       }, function (err) { | |
|         if (err) { | |
|           var description = 'Error: '; | |
| 
 | |
|           if (errno && errno.errno[err.errno]) { | |
|             description += errno.errno[err.errno].description; | |
|           } else { | |
|             description += "".concat(err.code, " ").concat(err.message); | |
|           } | |
| 
 | |
|           console.error("lessc: failed to create file ".concat(output)); | |
|           console.error(description); | |
|           process.exitCode = 1; | |
|         } else { | |
|           less.logger.info("lessc: wrote ".concat(output)); | |
| 
 | |
|           onSuccess(); | |
|         } | |
|       }); | |
|     } else if (!options.depends) { | |
|       process.stdout.write(result.css); | |
|       onSuccess(); | |
|     } | |
|   }; | |
| 
 | |
|   var logDependencies = function logDependencies(options, result) { | |
|     if (options.depends) { | |
|       var depends = ''; | |
| 
 | |
|       for (var i = 0; i < result.imports.length; i++) { | |
|         depends += "".concat(result.imports[i], " "); | |
|       } | |
| 
 | |
|       console.log(depends); | |
|     } | |
|   }; | |
| 
 | |
|   var parseLessFile = function parseLessFile(e, data) { | |
|     if (e) { | |
|       console.error("lessc: ".concat(e.message)); | |
|       process.exitCode = 1; | |
|       return; | |
|     } | |
| 
 | |
|     data = data.replace(/^\uFEFF/, ''); | |
|     options.paths = [path.dirname(input)].concat(options.paths); | |
|     options.filename = input; | |
| 
 | |
|     if (options.lint) { | |
|       options.sourceMap = false; | |
|     } | |
| 
 | |
|     sourceMapOptions.sourceMapFileInline = sourceMapFileInline; | |
| 
 | |
|     if (options.sourceMap) { | |
|       options.sourceMap = sourceMapOptions; | |
|     } | |
| 
 | |
|     less.logger.addListener({ | |
|       info: function info(msg) { | |
|         if (verbose) { | |
|           console.log(msg); | |
|         } | |
|       }, | |
|       warn: function warn(msg) { | |
|         // do not show warning if the silent option is used | |
|         if (!silent) { | |
|           console.warn(msg); | |
|         } | |
|       }, | |
|       error: function error(msg) { | |
|         console.error(msg); | |
|       } | |
|     }); | |
| 
 | |
|     less.render(data, options).then(function (result) { | |
|       if (!options.lint) { | |
|         writeOutput(output, result, function () { | |
|           writeSourceMapIfNeeded(result.map, function () { | |
|             logDependencies(options, result); | |
|           }); | |
|         }); | |
|       } | |
|     }, function (err) { | |
|       if (!options.silent) { | |
|         console.error(err.toString({ | |
|           stylize: options.color && less.lesscHelper.stylize | |
|         })); | |
|       } | |
| 
 | |
|       process.exitCode = 1; | |
|     }); | |
|   }; | |
| 
 | |
|   if (input != '-') { | |
|     fs.readFile(input, 'utf8', parseLessFile); | |
|   } else { | |
|     process.stdin.resume(); | |
|     process.stdin.setEncoding('utf8'); | |
|     var buffer = ''; | |
|     process.stdin.on('data', function (data) { | |
|       buffer += data; | |
|     }); | |
|     process.stdin.on('end', function () { | |
|       parseLessFile(false, buffer); | |
|     }); | |
|   } | |
| } | |
| 
 | |
| function processPluginQueue() { | |
|   var x = 0; | |
| 
 | |
|   function pluginError(name) { | |
|     console.error("Unable to load plugin ".concat(name, " please make sure that it is installed under or at the same level as less")); | |
|     process.exitCode = 1; | |
|   } | |
| 
 | |
|   function pluginFinished(plugin) { | |
|     x++; | |
|     plugins.push(plugin); | |
| 
 | |
|     if (x === queuePlugins.length) { | |
|       render(); | |
|     } | |
|   } | |
| 
 | |
|   queuePlugins.forEach(function (queue) { | |
|     var context = utils.clone(options); | |
|     pluginManager.Loader.loadPlugin(queue.name, process.cwd(), context, less.environment, fileManager).then(function (data) { | |
|       pluginFinished({ | |
|         fileContent: data.contents, | |
|         filename: data.filename, | |
|         options: queue.options | |
|       }); | |
|     }).catch(function () { | |
|       pluginError(queue.name); | |
|     }); | |
|   }); | |
| } // self executing function so we can return | |
|  | |
| 
 | |
| (function () { | |
|   args = args.filter(function (arg) { | |
|     var match; | |
|     match = arg.match(/^-I(.+)$/); | |
| 
 | |
|     if (match) { | |
|       options.paths.push(match[1]); | |
|       return false; | |
|     } | |
| 
 | |
|     match = arg.match(/^--?([a-z][0-9a-z-]*)(?:=(.*))?$/i); | |
| 
 | |
|     if (match) { | |
|       arg = match[1]; | |
|     } else { | |
|       return arg; | |
|     } | |
| 
 | |
|     switch (arg) { | |
|       case 'v': | |
|       case 'version': | |
|         console.log("lessc ".concat(less.version.join('.'), " (Less Compiler) [JavaScript]")); | |
|         continueProcessing = false; | |
|         break; | |
| 
 | |
|       case 'verbose': | |
|         verbose = true; | |
|         break; | |
| 
 | |
|       case 's': | |
|       case 'silent': | |
|         silent = true; | |
|         break; | |
| 
 | |
|       case 'l': | |
|       case 'lint': | |
|         options.lint = true; | |
|         break; | |
| 
 | |
|       case 'strict-imports': | |
|         options.strictImports = true; | |
|         break; | |
| 
 | |
|       case 'h': | |
|       case 'help': | |
|         printUsage(); | |
|         break; | |
| 
 | |
|       case 'x': | |
|       case 'compress': | |
|         options.compress = true; | |
|         break; | |
| 
 | |
|       case 'insecure': | |
|         options.insecure = true; | |
|         break; | |
| 
 | |
|       case 'M': | |
|       case 'depends': | |
|         options.depends = true; | |
|         break; | |
| 
 | |
|       case 'max-line-len': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           options.maxLineLen = parseInt(match[2], 10); | |
| 
 | |
|           if (options.maxLineLen <= 0) { | |
|             options.maxLineLen = -1; | |
|           } | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'no-color': | |
|         options.color = false; | |
|         break; | |
| 
 | |
|       case 'js': | |
|         options.javascriptEnabled = true; | |
|         break; | |
| 
 | |
|       case 'no-js': | |
|         console.error('The "--no-js" argument is deprecated, as inline JavaScript ' + 'is disabled by default. Use "--js" to enable inline JavaScript (not recommended).'); | |
|         break; | |
| 
 | |
|       case 'include-path': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           // ; supported on windows. | |
|           // : supported on windows and linux, excluding a drive letter like C:\ so C:\file:D:\file parses to 2 | |
|           options.paths = match[2].split(os.type().match(/Windows/) ? /:(?!\\)|;/ : ':').map(function (p) { | |
|             if (p) { | |
|               return path.resolve(process.cwd(), p); | |
|             } | |
|           }); | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'line-numbers': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           options.dumpLineNumbers = match[2]; | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'source-map': | |
|         options.sourceMap = true; | |
| 
 | |
|         if (match[2]) { | |
|           sourceMapOptions.sourceMapFullFilename = match[2]; | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'source-map-rootpath': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           sourceMapOptions.sourceMapRootpath = match[2]; | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'source-map-basepath': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           sourceMapOptions.sourceMapBasepath = match[2]; | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'source-map-inline': | |
|       case 'source-map-map-inline': | |
|         sourceMapFileInline = true; | |
|         options.sourceMap = true; | |
|         break; | |
| 
 | |
|       case 'source-map-include-source': | |
|       case 'source-map-less-inline': | |
|         sourceMapOptions.outputSourceFiles = true; | |
|         break; | |
| 
 | |
|       case 'source-map-url': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           sourceMapOptions.sourceMapURL = match[2]; | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'source-map-no-annotation': | |
|         sourceMapOptions.disableSourcemapAnnotation = true; | |
|         break; | |
| 
 | |
|       case 'rp': | |
|       case 'rootpath': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           options.rootpath = match[2].replace(/\\/g, '/'); | |
|         } | |
| 
 | |
|         break; | |
|        | |
|       case 'ie-compat': | |
|         console.warn('The --ie-compat option is deprecated, as it has no effect on compilation.'); | |
|         break; | |
| 
 | |
|       case 'relative-urls': | |
|         console.warn('The --relative-urls option has been deprecated. Use --rewrite-urls=all.'); | |
|         options.rewriteUrls = Constants.RewriteUrls.ALL; | |
|         break; | |
| 
 | |
|       case 'ru': | |
|       case 'rewrite-urls': | |
|         var m = match[2]; | |
| 
 | |
|         if (m) { | |
|           if (m === 'local') { | |
|             options.rewriteUrls = Constants.RewriteUrls.LOCAL; | |
|           } else if (m === 'off') { | |
|             options.rewriteUrls = Constants.RewriteUrls.OFF; | |
|           } else if (m === 'all') { | |
|             options.rewriteUrls = Constants.RewriteUrls.ALL; | |
|           } else { | |
|             console.error("Unknown rewrite-urls argument ".concat(m)); | |
|             continueProcessing = false; | |
|             process.exitCode = 1; | |
|           } | |
|         } else { | |
|           options.rewriteUrls = Constants.RewriteUrls.ALL; | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'sm': | |
|       case 'strict-math': | |
|         console.warn('The --strict-math option has been deprecated. Use --math=strict.'); | |
| 
 | |
|         if (checkArgFunc(arg, match[2])) { | |
|           if (checkBooleanArg(match[2])) { | |
|             options.math = Constants.Math.PARENS; | |
|           } | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'm': | |
|       case 'math': | |
|         var m = match[2]; | |
|         if (checkArgFunc(arg, m)) { | |
|           if (m === 'always') { | |
|             console.warn('--math=always is deprecated and will be removed in the future.'); | |
|             options.math = Constants.Math.ALWAYS; | |
|           } else if (m === 'parens-division') { | |
|             options.math = Constants.Math.PARENS_DIVISION; | |
|           } else if (m === 'parens' || m === 'strict') { | |
|             options.math = Constants.Math.PARENS; | |
|           } else if (m === 'strict-legacy') { | |
|             console.warn('--math=strict-legacy has been removed. Defaulting to --math=strict'); | |
|             options.math = Constants.Math.PARENS; | |
|           } | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'su': | |
|       case 'strict-units': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           options.strictUnits = checkBooleanArg(match[2]); | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'global-var': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           if (!options.globalVars) { | |
|             options.globalVars = {}; | |
|           } | |
| 
 | |
|           parseVariableOption(match[2], options.globalVars); | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'modify-var': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           if (!options.modifyVars) { | |
|             options.modifyVars = {}; | |
|           } | |
| 
 | |
|           parseVariableOption(match[2], options.modifyVars); | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'url-args': | |
|         if (checkArgFunc(arg, match[2])) { | |
|           options.urlArgs = match[2]; | |
|         } | |
| 
 | |
|         break; | |
| 
 | |
|       case 'plugin': | |
|         var splitupArg = match[2].match(/^([^=]+)(=(.*))?/); | |
|         var name = splitupArg[1]; | |
|         var pluginOptions = splitupArg[3]; | |
|         queuePlugins.push({ | |
|           name: name, | |
|           options: pluginOptions | |
|         }); | |
|         break; | |
| 
 | |
|       default: | |
|         queuePlugins.push({ | |
|           name: arg, | |
|           options: match[2], | |
|           default: true | |
|         }); | |
|         break; | |
|     } | |
|   }); | |
| 
 | |
|   if (queuePlugins.length > 0) { | |
|     processPluginQueue(); | |
|   } else { | |
|     render(); | |
|   } | |
| })();
 |