simple static site compiler for node

make-site.js

var styluscomp = require('stylus'),
    jadecomp   = require('jade'),
    fs     = require('fs');

function jade(data, cb, filename){
  cb(false, jadecomp.compile(data, { pretty: true, filename: filename })());
}
function styl(data, cb, filename){
  styluscomp.render(data, { pretty: true, filename: filename }, cb);
}

function compiler(compfn, file_in, file_out, err_cb){
  return function(){
    var cb = function(err, data){
      if (!data || err){
        err_cb(err);
      } else {
        fs.writeFileSync(file_out, data);
        console.log('Compiled: ' + file_in);
      } }
    fs.readFile(file_in, 'utf8', {filename: file_in, pretty: true}, function(err, data){
      if (!err){
        compfn(data, cb, file_in);
      } else { err_cb(err); }
    }); } }

function wrap_cb(cbfn){
  return function(curr, prev){
    if (curr.mtime.getTime() != prev.mtime.getTime()){
      console.log('Found Change.');
      cbfn(curr);
    } } }

function watch(file, fileout, compfn){
  var err = function(err){
    console.log('Compilation Error: ' + file);
    console.log('     ' + err); }
  var comp_runner = compiler(compfn, file, fileout, err);
  fs.watchFile(file, function(cur_stat, prev_stat){
    if (cur_stat.mtime.getTime() != prev_stat.mtime.getTime()){
      comp_runner();
    } });
  console.log('Starting compiler for: ' + file);
  comp_runner() }

// watch these files.
watch('index.jade',   'pub/index.html',         jade);
watch('contact.jade', 'pub/contact/index.html', jade);
watch('contact-base.jade', 'pub/contact/base.html', jade);
watch('site.styl',    'pub/css/site.css',       styl);
watch('contact.styl', 'pub/css/contact.css',    styl);