Compile dust folder strucure

dust_compiler.js

var dust = require('dustjs-linkedin');
var diveSync = require("diveSync");
var path = require('path');
var fs = require('fs');

var dir = path.join(__dirname, 'public', 'templates');
var output = path.join(__dirname, 'public', 'js', 'templates.js');

var writer = fs.createWriteStream(output);

var files = [];

diveSync(dir, {
    recursive: true,    // - If set to false, this will ignore subdirectories.
    all: false,         // - If set to true, this will show "dot files" and
                        //   files in "dot directories", e.g. ".gitinore" or
                        //   ".git/HEAD".
    directories: false,  // - If set to true, this will show directories, too.
    filter: function filter(file, dir) {
        if(!dir) return path.extname(file) === '.dust';
        return true;
    }
    // - Function that returns true for all paths that should
    //   not be ignored.
}, function(err, file) {
    if (err) throw err;

    var dir_name = path.dirname(file).replace(dir, '');
    var file_name = path.basename(file, '.dust');
    var name = dir_name ? dir_name + '/' + file_name : file_name;
    var template = fs.readFileSync(file, 'utf8');
    files.push(dust.compile(template, name));
});

fs.writeFileSync(output, files.join('\n'));

console.log('%d dust templates compiled.', files.length);