#!/usr/bin/env node
var path = require(‘path’),
fs = require('fs'), sys = require('sys');
require.paths.unshift(path.join(__dirname, ‘..’, ‘lib’));
var less = require(‘less’); var args = process.argv.slice(1); var options = {
compress: false, optimization: 1, silent: false, paths: []
};
args = args.filter(function (arg) {
var match; 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]"); process.exit(0); case 'verbose': options.verbose = true; break; case 's': case 'silent': options.silent = true; break; case 'h': case 'help': sys.puts("usage: lessc source [destination]"); process.exit(0); case 'x': case 'compress': options.compress = true; break; case 'include-path': options.paths = match[2].split(':') .map(function(p) { if (p && p[0] == '/') { return path.join(path.dirname(input), p); } else if (p) { return path.join(process.cwd(), p); } }); break; case 'O0': options.optimization = 0; break; case 'O1': options.optimization = 1; break; case 'O2': options.optimization = 2; break; }
});
var input = args; if (input && input != ‘/’) {
input = path.join(process.cwd(), input);
} var output = args; if (output && output != ‘/’) {
output = path.join(process.cwd(), output);
}
var css, fd, tree;
if (! input) {
sys.puts("lessc: no input files"); process.exit(1);
}
fs.readFile(input, ‘utf-8’, function (e, data) {
if (e) { sys.puts("lessc: " + e.message); process.exit(1); } new(less.Parser)({ paths: [path.dirname(input)].concat(options.paths), optimization: options.optimization, filename: input }).parse(data, function (err, tree) { if (err) { less.writeError(err, options); process.exit(1); } else { try { css = tree.toCSS({ compress: options.compress }); if (output) { fd = fs.openSync(output, "w"); fs.writeSync(fd, css, 0, "utf8"); } else { sys.print(css); } } catch (e) { less.writeError(e, options); process.exit(2); } } });
});
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