express/support/jade/bin/jade

Sinatra inspired web development framework

#!/usr/bin/env node

/**
 * Module dependencies.
 */

var sys = require('sys'),
    jade = require('jade'),
    fs = require('fs');

/**
 * Arguments.
 */

var args = process.argv.slice(2);

/**
 * Output to stdout.
 */

var pipe;

/**
 * Options javascript.
 */

var options = {};

/**
 * Usage information.
 */

var usage = ''
    + '\x1b[1mUsage\x1b[0m: jade [options] <path ...>\n'
    + '\n'
    + '\x1b[1mOptions:\x1b[0m\n'
    + '  -o, --options STR   JavaScript options object passed\n'
    + '  -p, --pipe          Output to stdout instead of PATH.html\n'
    + '  -h, --help          Output help information\n';

// Parse arguments

var arg,
    files = [];
while (args.length) {
    arg = args.shift();
    switch (arg) {
        case '-h':
        case '--help':
            sys.puts(usage);
            process.exit(1);
            break;
        case '-p':
        case '--pipe':
            pipe = true;
            break;
        case '-o':
        case '--options':
            var str = args.shift();
            if (str) {
                options = eval('(' + str + ')');
            } else {
                sys.error('-o, --options requires a string.');
                process.exit(1);
            }
            break;
        default:
            files.push(arg);
    }
}

// Render files

if (files.length) {
    files.forEach(function(file){
        jade.renderFile(file, options, function(err, html){
            if (err) throw err;
            if (pipe) {
                sys.puts(html);
            }  else {
                file = file.replace(/\.jade$/, '.html');
                fs.writeFile(file, html, function(err){
                    if (err) throw err;
                    sys.error('  create : ' + file);
                });
            }
        });
    });
} else {
    sys.error('files required.');
    process.exit(1);
}