140 lines
3.5 KiB
JavaScript
Executable File
140 lines
3.5 KiB
JavaScript
Executable File
#!/usr/bin/env node
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var path = require('path'),
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fs = require('fs'),
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sys = require('util'),
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os = require('os');
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var less = require('../lib/less');
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var args = process.argv.slice(1);
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var options = {
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compress: false,
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yuicompress: false,
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optimization: 1,
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silent: false,
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paths: [],
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color: true,
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strictImports: false
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};
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args = args.filter(function (arg) {
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var match;
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if (match = arg.match(/^-I(.+)$/)) {
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options.paths.push(match[1]);
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return false;
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}
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if (match = arg.match(/^--?([a-z][0-9a-z-]*)(?:=([^\s]+))?$/i)) { arg = match[1] }
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else { return arg }
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switch (arg) {
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case 'v':
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case 'version':
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sys.puts("lessc " + less.version.join('.') + " (LESS Compiler) [JavaScript]");
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process.exit(0);
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case 'verbose':
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options.verbose = true;
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break;
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case 's':
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case 'silent':
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options.silent = true;
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break;
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case 'strict-imports':
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options.strictImports = true;
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break;
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case 'h':
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case 'help':
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sys.puts("usage: lessc source [destination]");
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process.exit(0);
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case 'x':
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case 'compress':
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options.compress = true;
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break;
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case 'yui-compress':
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options.yuicompress = true;
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break;
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case 'no-color':
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options.color = false;
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break;
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case 'include-path':
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options.paths = match[2].split(os.type().match(/Windows/) ? ';' : ':')
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.map(function(p) {
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if (p) {
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return path.resolve(process.cwd(), p);
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}
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});
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break;
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case 'O0': options.optimization = 0; break;
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case 'O1': options.optimization = 1; break;
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case 'O2': options.optimization = 2; break;
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}
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});
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var input = args[1];
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if (input && input != '-') {
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input = path.resolve(process.cwd(), input);
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}
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var output = args[2];
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if (output) {
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output = path.resolve(process.cwd(), output);
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}
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var css, fd, tree;
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if (! input) {
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sys.puts("lessc: no input files");
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process.exit(1);
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}
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var parseLessFile = function (e, data) {
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if (e) {
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sys.puts("lessc: " + e.message);
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process.exit(1);
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}
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new(less.Parser)({
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paths: [path.dirname(input)].concat(options.paths),
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optimization: options.optimization,
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filename: input,
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strictImports: options.strictImports
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}).parse(data, function (err, tree) {
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if (err) {
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less.writeError(err, options);
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process.exit(1);
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} else {
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try {
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css = tree.toCSS({
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compress: options.compress,
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yuicompress: options.yuicompress
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});
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if (output) {
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fd = fs.openSync(output, "w");
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fs.writeSync(fd, css, 0, "utf8");
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} else {
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sys.print(css);
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}
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} catch (e) {
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less.writeError(e, options);
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process.exit(2);
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}
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}
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});
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};
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if (input != '-') {
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fs.readFile(input, 'utf-8', parseLessFile);
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} else {
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process.stdin.resume();
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process.stdin.setEncoding('utf8');
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var buffer = '';
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process.stdin.on('data', function(data) {
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buffer += data;
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});
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process.stdin.on('end', function() {
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parseLessFile(false, buffer);
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});
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}
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