Gruntfile.js

module.exports = function (grunt) {

'use strict'


var gzip = require('gzip-js');
var pkg = grunt.file.readJSON('package.json');


grunt.initConfig({
	pkg: pkg,

	jshint: {
		dist: {
			src: ['dist/butterfly.js'],
			options: {
				jshintrc: 'src/.jshintrc'
			}
		},

		grunt: {
			src: ['Gruntfile.js'],
			options: {
				jshintrc: 'src/.jshintrc'
			}
		}
	},


	compare_size: {
		files: ['dist/butterfly.js', 'dist/butterfly.min.js'],
		options: {
			compress: {
				gz: function(contents) {
					return gzip.zip(contents, {}).length;
				}
			}
		}
	},


	concat: {
		build: {
			dest: 'dist/butterfly.js',
			src: [
			  'src/butterfly.js',
			  'src/util.js',
			  'src/log.js',
			  'src/event.js',
			  'src/define.js',
			  'src/require.js',
			  'src/request.js',
			  'src/loader.js',
			  'src/weave.js'
			]
		}
	},


	uglify: {
		build: {
			src: 'dist/butterfly.js',
			dest: 'dist/butterfly.min.js'
		}
	}
});


grunt.registerTask('replace', function () {
	var data = grunt.file.read('dist/butterfly.js');

	data = data.replace(/@VERSION/g, pkg.version)
		.replace("@DATE", function () {
			// YYYY-MM-DD
			return ( new Date() ).toISOString().replace(/T.*/, "");
		});

	grunt.file.write('dist/butterfly.js', data);
});


// Load grunt tasks from NPM packages
grunt.loadNpmTasks('grunt-cmd-transport');
grunt.loadNpmTasks('grunt-compare-size');
grunt.loadNpmTasks('grunt-contrib-jshint');
grunt.loadNpmTasks('grunt-contrib-uglify');
grunt.loadNpmTasks('grunt-contrib-concat');


// Default grunt
grunt.registerTask('build', ['concat', 'replace', 'uglify', 'compare_size']);
grunt.registerTask('default', ['build']);


};