coffee-watcher/lib/coffee-watcher.js

A script that can watch a directory and recompile your .coffee scripts if they change

// Generated by CoffeeScript 1.6.2
(function() {
  var WATCHED_FILES, compileCoffeeScript, compileIfNeeded, findCoffeeFiles, program, usage, watcher_lib;

  usage = "Watch a directory and recompile .coffee scripts if they change.\nUsage: coffee-watcher -p [prefix] -d [directory].";

  program = require('commander');

  program.version('1.6.0').usage(usage).option('-d, --directory <path>', 'Specify which directory to scan. [Default: .]').option('-p, --prefix <type>', 'Which prefix should the compiled files have? Default is script.coffee will be compiled to .coffee.script.js.').option('-n, --noprefix', "Don't use a prefix. script.coffee will be compiled to script.js. Not the default option!").parse(process.argv);

  program.directory = program.directory || '.';

  if (program.prefix === void 0 || program.prefix === true) {
    program.prefix = '.coffee.';
  }

  if (program.noprefix) {
    program.prefix = '';
  }

  require('util').puts("Compiling files in `" + program.directory + "`. The prefix is `" + program.prefix + "`...");

  watcher_lib = require('watcher_lib');

  findCoffeeFiles = function(dir) {
    return watcher_lib.findFiles('*.coffee', dir, compileIfNeeded);
  };

  WATCHED_FILES = {};

  compileIfNeeded = function(file) {
    return watcher_lib.compileIfNeeded(WATCHED_FILES, file, compileCoffeeScript);
  };

  compileCoffeeScript = function(file) {
    var fnGetOutputFile;

    fnGetOutputFile = function(file) {
      return file.replace(/([^\/\\]+)\.coffee/, "" + program.prefix + "$1.js");
    };
    return watcher_lib.compileFile("coffee -bp " + file, file, fnGetOutputFile);
  };

  watcher_lib.startDirectoryPoll(program.directory, findCoffeeFiles);

}).call(this);