requisite/lib/cli.js

A cosmic javascript bundler.

// Generated by CoffeeScript 1.7.1
var absolutePath, args, err, error, file, fs, help, module, opt, opts, path, requireAs, requisite, version, writeBundle, _fn, _i, _len, _ref, _ref1;

fs = require('fs');

path = require('path');

requisite = require('../lib');

error = function(message) {
  console.log(message);
  return process.exit(1);
};

help = function() {
  console.log("\nUsage: requisite [options] [files]\n\nOptions:\n\n  -h, --help                   display this help\n  -v, --version                display version\n  -b, --bare                   compile without a top-level function wrapper\n  -d, --dedupe                 deduplicate modules (when multiple are specified)\n  -e, --export <name>          export module as <name>\n  -i, --include [module, ...]  additional modules to include, in <require as>:<path to module> format\n  -m, --minify                 minify output\n  -o, --output <file>          write bundle to file instead of stdout, {} can be used as a placeholder.\n  -p, --prelude <file>         file to use as prelude\n      --no-prelude             exclude prelude from bundle\n  -s, --strict                 add \"use strict\" to each bundled module.\n  -w, --watch                  write bundle to file and and recompile on file changes\n  -x, --exclude <regex>        regex to exclude modules from being parsed\n\nExamples:\n\n  # bundle javascript file and all it's dependencies\n  $ requisite module.js -o bundle.js\n\n  # bundle several modules, appending .bundle.js to output\n  $ requisite *.js -o {}.bundle.js");
  return process.exit(0);
};

version = function() {
  console.log(require('../package').version);
  return process.exit(0);
};

opts = {
  bare: false,
  exclude: null,
  "export": null,
  files: [],
  include: [],
  minify: false,
  output: null,
  prelude: null,
  strict: false,
  watch: false
};

args = process.argv.slice(2);

while (opt = args.shift()) {
  switch (opt) {
    case '-h':
    case '--help':
      help();
      break;
    case '-v':
    case '--version':
      version();
      break;
    case '-b':
    case '--bare':
      opts.bare = true;
      break;
    case '-x':
    case '--exclude':
      opts.exclude = new RegExp(args.shift());
      break;
    case '-e':
    case '--export':
      opts["export"] = args.shift();
      break;
    case '-i':
    case '--include':
      while (((module = args.shift()) != null) && module.charAt(0) !== '-') {
        try {
          _ref = module.split(':'), requireAs = _ref[0], absolutePath = _ref[1];
          opts.include[requireAs] = absolutePath;
        } catch (_error) {
          err = _error;
          help(1, 'Invalid argument to include');
        }
      }
      break;
    case '-m':
    case '--minify':
      opts.minify = true;
      break;
    case '-o':
    case '--output':
      opts.output = args.shift();
      break;
    case '-p':
    case '--prelude':
      opts.prelude = args.shift();
      break;
    case '--no-prelude':
      opts.prelude = false;
      break;
    case '-s':
    case '--strict':
      opts.strict = true;
      break;
    case '-w':
    case '--watch':
      opts.watch = true;
      break;
    default:
      if (opt.charAt(0) === '-') {
        error('Unrecognized option');
      }
      opts.files.push(opt);
  }
}

if (!opts.files.length) {
  help();
}

if (opts.watch && (opts.output == null)) {
  error('Output must be specified when using watch.');
}

if (opts.files.length > 1 && (opts.output.indexOf('{}')) === -1) {
  error('Output filenames overlap, perhaps you meant -o {}.js?');
}

writeBundle = function(bundle) {
  var ext, extout, filename, output;
  if (opts.output != null) {
    filename = path.basename(bundle.requiredAs);
    ext = path.extname(filename);
    extout = path.extname(opts.output);
    if (ext === extout) {
      filename = filename.replace(ext, '');
    }
    output = opts.output.replace('{}', filename);
    return fs.writeFileSync(output, bundle.toString(opts, 'utf8'));
  } else {
    return console.log(bundle.toString(opts));
  }
};

_ref1 = opts.files;
_fn = function(file, opts) {
  opts = JSON.parse(JSON.stringify(opts));
  opts.entry = file;
  if (!opts.watch) {
    return requisite.bundle(opts, function(err, bundle) {
      return writeBundle(bundle);
    });
  } else {
    return requisite.watch(opts, function(err, bundle, filename) {
      if (filename != null) {
        console.log("" + (/\d{2}:\d{2}:\d{2}/.exec(new Date())[0]) + " - recompiling, " + filename + " changed");
      } else {
        console.log("" + (/\d{2}:\d{2}:\d{2}/.exec(new Date())[0]) + " - compiled " + opts.output);
      }
      return writeBundle(bundle);
    });
  }
};
for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
  file = _ref1[_i];
  _fn(file, opts);
}

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