Asset Pipeline for Express

assetPipeline.js

'use strict';

var _ = require('underscore');
var path = require('path');
var rack = require('smaller-asset-rack');

var MANIFEST = path.join(config.root, 'public', 'assets.json');

var STYLESHEETS = [
  'application.css.less'
];

var JAVASCRIPTS = [
  'application.js',
  'application-ie.js'
];

var assets = function() {
  var assets;
  var angularTemplateAssets;
  var imageAssets;
  var fontAssets;
  var cssAssets;
  var jsAssets;

  if (config.assets.skip) {
    return new rack.Rack([]);
  }

  imageAssets = [new rack.StaticAssets({
    urlPrefix: '/assets',
    dirname: path.join(config.root, 'assets', 'images'),
    gzip: config.assets.gzip,
    watch: config.assets.watchForChanges
  })];

  fontAssets = [new rack.StaticAssets({
    urlPrefix: '/assets/fonts',
    dirname: path.join(config.root, 'assets', 'fonts'),
    gzip: config.assets.gzip,
    watch: config.assets.watchForChanges
  })];

  angularTemplateAssets = [new rack.AngularTemplatesAsset({
    url: '/assets/angular-templates.js',
    dirname: path.join(config.root, 'assets', 'views'),
    viewPrefix: '/views/',
    compress: config.assets.compress,
    watch: config.assets.watchForChanges
  })];

  cssAssets = _.map(STYLESHEETS, function(filename) {
    return new rack.LessAsset({
      url: '/assets/' + filename.replace('.less', ''),
      filename: path.join(config.root, 'assets', 'stylesheets', filename),
      compress: config.assets.compress,
      gzip: config.assets.gzip,
      watch: config.assets.watchForChanges
    });
  });

  jsAssets = _.map(JAVASCRIPTS, function(filename) {
    return new rack.BrowserifyAsset({
      url: '/assets/' + filename,
      filename: path.join(config.root, 'assets', 'javascripts', filename),
      compress: config.assets.compress,
      gzip: config.assets.gzip,
      watch: config.assets.watchForChanges
    });
  });

  assets = new rack.Rack(imageAssets
    .concat(angularTemplateAssets)
    .concat(fontAssets)
    .concat(cssAssets)
    .concat(jsAssets));

  return assets;
};

module.exports.assets = assets;