#!/usr/bin/env node var path = require('path'), fs = require('fs'), sys = require('util'), os = require('os'); var less = require('../lib/less'); var args = process.argv.slice(1); var options = { compress: false, yuicompress: false, optimization: 1, silent: false, paths: [], color: true, strictImports: false, rootpath: '', relativeUrls: false }; var continueProcessing = true, currentErrorcode; // calling process.exit does not flush stdout always // so use this to set the exit code process.on('exit', function() { process.reallyExit(currentErrorcode) }); args = args.filter(function (arg) { var match; if (match = arg.match(/^-I(.+)$/)) { options.paths.push(match[1]); return false; } if (match = arg.match(/^--?([a-z][0-9a-z-]*)(?:=([^\s]+))?$/i)) { arg = match[1] } else { return arg } switch (arg) { case 'v': case 'version': sys.puts("lessc " + less.version.join('.') + " (LESS Compiler) [JavaScript]"); continueProcessing = false; case 'verbose': options.verbose = true; break; case 's': case 'silent': options.silent = true; break; case 'strict-imports': options.strictImports = true; break; case 'h': case 'help': require('../lib/less/lessc_helper').printUsage(); continueProcessing = false; case 'x': case 'compress': options.compress = true; break; case 'yui-compress': options.yuicompress = true; break; case 'no-color': options.color = false; break; case 'include-path': if (!match[2]) { sys.puts("include-path option requires a parameter"); continueProcessing = false; } else { options.paths = match[2].split(os.type().match(/Windows/) ? ';' : ':') .map(function(p) { if (p) { return path.resolve(process.cwd(), p); } }); } break; case 'O0': options.optimization = 0; break; case 'O1': options.optimization = 1; break; case 'O2': options.optimization = 2; break; case 'line-numbers': options.dumpLineNumbers = match[2]; break; case 'rp': case 'rootpath': if (!match[2]) { sys.puts("rootpath option requires a parameter"); continueProcessing = false; } else { options.rootpath = path.normalize(match[2] + '/').replace('\\', '/'); } break; case "ru": case "relative-urls": options.relativeUrls = true; break; } }); if (!continueProcessing) { return; } var input = args[1]; if (input && input != '-') { input = path.resolve(process.cwd(), input); } var output = args[2]; if (output) { output = path.resolve(process.cwd(), output); } if (! input) { sys.puts("lessc: no input files"); sys.puts(""); require('../lib/less/lessc_helper').printUsage(); currentErrorcode = 1; return; } var ensureDirectory = function (filepath) { var dir = path.dirname(filepath), existsSync = fs.existsSync || path.existsSync; if (!existsSync(dir)) { fs.mkdirSync(dir); } }; var parseLessFile = function (e, data) { if (e) { sys.puts("lessc: " + e.message); currentErrorcode = 1; return; } new(less.Parser)({ paths: [path.dirname(input)].concat(options.paths), optimization: options.optimization, filename: input, rootpath: options.rootpath, relativeUrls: options.relativeUrls, strictImports: options.strictImports, dumpLineNumbers: options.dumpLineNumbers }).parse(data, function (err, tree) { if (err) { less.writeError(err, options); currentErrorcode = 1; return; } else { try { var css = tree.toCSS({ compress: options.compress, yuicompress: options.yuicompress }); if (output) { ensureDirectory(output); fs.writeFileSync(output, css, 'utf8'); if (options.verbose) { console.log('lessc: wrote ' + output); } } else { sys.print(css); } } catch (e) { less.writeError(e, options); currentErrorcode = 2; return; } } }); }; 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); }); }