gulpfile.js

var gulp = require('gulp'),
  load = require('express-load'),
  dest = 'dest',
  src = 'src';

var config = {

  files: {
    assets: src.concat('/assets/**'),
    bower: 'bower_components/**',
    dest: dest.concat('/**'),
    html: dest.concat('/index.html'),
    jade: [src.concat('/index.jade'), src.concat('/**/*.jade')],
    js: [src + '/**/*.js', '!**/*-spec.js'],
    less: src.concat('/style/**.less'),
    resources: [dest.concat('/css/**'), dest.concat('/js/**')],
    sass: src.concat('/style/**.scss'),
    main: {
      js: 'script.min.js',
      css: 'style.min.css',
      vendor: {
        js: 'js/vendor.min.js',
        css: 'css/vendor.min.css'
      }
    }
  },

  paths: {
    dest: dest,
    assets: dest.concat('/assets'),
    bower: '/bower_components',
    css: dest.concat('/css'),
    js: dest.concat('/js'),
    vendor: dest.concat('/vendor')
  },

  // resources path prefix
  cdn: {
    resources: '',
    vendor: '/vendor'
  }, 

  cssEngine: 'sass',

  jade: {
    pretty: true, // use gulp jade --min to pretty:false
    data: {

    }
  },

  server: {
    livereload: true,
    port: 8000,
    open: true
  },

  karma: {
    configFile: __dirname + '/karma.conf.js',
    action: 'watch'
  }
};

load('tasks').into(config);