bower_configure.js

var fs = require('fs');
var sh = require('execSync');

var FULL_RELEASE = [
	'normalize-css',
	'jquery',
	'jquery-cookie',
	'jquery.autoellipsis',
	'pickadate',
	'handlebars',
	'ember',
	'em-list-view',
	'ember-widgets',
	'ember-graph',
	'moment',
	'traceur-runtime',
	'dropzone',
	'trackjs'
];

var FULL_DEVELOP = FULL_RELEASE.concat([]);
FULL_DEVELOP.splice(FULL_DEVELOP.indexOf('trackjs'), 1);

var MINIMAL_RELEASE = ['normalize-css', 'jquery', 'trackjs'];
var MINIMAL_DEVELOP = ['normalize-css', 'jquery'];

var MAIN_FILES = {
	'normalize-css': {
		css: ['normalize.css']
	},

	'jquery': {
		js: ['dist/jquery.js']
	},

	'jquery-cookie': {
		js: ['jquery.cookie.js']
	},

	'jquery.autoellipsis': {
		js: ['src/jquery.autoellipsis.js']
	},

	'pickadate': {
		js: ['lib/compressed/picker.js', 'lib/compressed/picker.date.js'],
		css: ['lib/compressed/themes/classic.css', 'lib/compressed/themes/classic.date.css']
	},

	'handlebars': {
		js: ['handlebars.runtime.js']
	},

	'ember': {
		js: ['ember.js']
	},

	'em-list-view': {
		js: ['ember-list-view.js']
	},

	'ember-widgets': {
		js: ['ember-widgets.js']
	},

	'ember-graph': {
		js: ['ember-graph.js']
	},

	'ember-cloaking': {
		js: ['ember-cloaking.js']
	},

	'moment': {
		js: ['min/moment.min.js']
	},

	'traceur-runtime': {
		js: ['traceur-runtime.js']
	},

	'qunit': {
		js: ['qunit/qunit.js'],
		css: ['qunit/qunit.css']
	},

	'dropzone': {
		js: ['downloads/dropzone.js']
	},

	'trackjs': {
		js: ['configuration.js', 'trackjs.min.js']
	}
};

///////////////////////////////////////

var getFiles = function(include, minified) {
	var files = {
		js: [],
		css: []
	};

	include.forEach(function(libraryName) {
		files.js = files.js.concat((MAIN_FILES[libraryName].js || []).map(function(file) {
			return 'lib/' + libraryName + '/' + file;
		}));

		files.css = files.css.concat((MAIN_FILES[libraryName].css || []).map(function(file) {
			return 'lib/' + libraryName + '/' + file;
		}));
	});

	if (minified) {
		files.js = files.js.map(function(file) {
			var min = file.replace(/\.js$/, '.min.js');
			return (fs.existsSync(min) ? min : file);
		});

		files.css = files.css.map(function(file) {
			var min = file.replace(/\.css$/, '.min.css');
			return (fs.existsSync(min) ? min : file);
		});
	}

	return files;
};

var concatCss = function(outputFile, include, minified) {
	fs.writeFileSync('build/stylesheets/' + outputFile, '');
	getFiles(include, minified).css.forEach(function(file) {
		fs.appendFileSync('build/stylesheets/' + outputFile, fs.readFileSync(file, { encoding: 'utf8' }));
		fs.appendFileSync('build/stylesheets/' + outputFile, '\n\n');
	});
};

var concatJs = function(outputFile, include, minified) {
	fs.writeFileSync('build/javascripts/' + outputFile, '');
	getFiles(include, minified).js.forEach(function(file) {
		fs.appendFileSync('build/javascripts/' + outputFile, fs.readFileSync(file, { encoding: 'utf8' }));
		fs.appendFileSync('build/javascripts/' + outputFile, '\n\n');
	});
};

///////////////////////////////////////

module.exports = function(grunt) {
	grunt.registerTask('bower_develop', function() {
		concatCss('vendor_full.css', FULL_DEVELOP, false);
		concatCss('vendor_minimal.css', MINIMAL_DEVELOP, false);
		concatJs('vendor_minimal.js', MINIMAL_DEVELOP, false);

		var indexFile = 'build/index.html';
		var template = grunt.file.read(indexFile);
		grunt.file.write(indexFile, grunt.template.process(template, {
			data: {
				files: getFiles(FULL_DEVELOP, false).js.map(function(file) {
					return '/' + file;
				})
			}
		}));

		sh.run('cp -r lib build/');
	});

	grunt.registerTask('bower_debug', function() {
		concatCss('vendor_full.css', FULL_RELEASE, false);
		concatJs('vendor_full.js', FULL_RELEASE, false);
		concatCss('vendor_minimal.css', MINIMAL_RELEASE, false);
		concatJs('vendor_minimal.js', MINIMAL_RELEASE, false);

		var indexFile = 'build/index.html';
		var template = grunt.file.read(indexFile);
		grunt.file.write(indexFile, grunt.template.process(template, {
			data: {
				files:  ['javascripts/vendor_full.js']
			}
		}));
	});

	grunt.registerTask('bower_release', function() {
		concatCss('vendor_full.css', FULL_RELEASE, true);
		concatJs('vendor_full.js', FULL_RELEASE, true);
		concatCss('vendor_minimal.css', MINIMAL_RELEASE, true);
		concatJs('vendor_minimal.js', MINIMAL_RELEASE, true);

		var indexFile = 'build/index.html';
		var template = grunt.file.read(indexFile);
		grunt.file.write(indexFile, grunt.template.process(template, {
			data: {
				files:  ['javascripts/vendor_full.js']
			}
		}));
	});
};

index.html

<!DOCTYPE html>
<html>
	<head>
		<link rel="stylesheet" href="stylesheets/vendor_full.css">
		<link rel="stylesheet" href="stylesheets/style.css">
		<link rel="shortcut icon" href="favicon.ico">
	</head>
	<body>
		<div id="app"></div>

		<% _.each(files, function(filepath) { %>
		<script src="<%= filepath %>"></script>
		<% }); %>
	</body>
</html>