Gruntfile.js

module.exports = function( grunt ) {

	// Project configuration
	grunt.initConfig( {
		pkg:    grunt.file.readJSON( 'package.json' ),
		concat: {
			options: {
				stripBanners: true,
				banner: '/*! <%= pkg.title %> - v<%= pkg.version %> - <%= grunt.template.today("yyyy-mm-dd") %>\n' +
					' * <%= pkg.homepage %>\n' +
					' * Copyright (c) <%= grunt.template.today("yyyy") %>;' +
					' * Licensed GPLv2+' +
					' */\n'
			},
			'hash-link-scroll-offset': {
				src: [
					'assets/js/src/hash-link-scroll-offset.js'
				],
				dest: 'assets/js/hash-link-scroll-offset.js'
			}
		},
		jshint: {
			all: [
				'Gruntfile.js',
				'assets/js/src/**/*.js',
				'assets/js/test/**/*.js'
			],
			options: {
				curly   : true,
				eqeqeq  : true,
				immed   : true,
				latedef : true,
				newcap  : true,
				noarg   : true,
				sub     : true,
				unused  : true,
				undef   : true,
				boss    : true,
				eqnull  : true,
				globals : {
					exports : true,
					module  : false
				},
				predef  :['document','window']
			}
		},
		uglify: {
			all: {
				files: {
					'assets/js/hash-link-scroll-offset.min.js': ['assets/js/hash-link-scroll-offset.js']
				},
				options: {
					banner: '/*! <%= pkg.title %> - v<%= pkg.version %> - <%= grunt.template.today("yyyy-mm-dd") %>\n' +
						' * <%= pkg.homepage %>\n' +
						' * Copyright (c) <%= grunt.template.today("yyyy") %>;' +
						' * Licensed GPLv2+' +
						' */\n',
					mangle: {
						except: ['jQuery']
					}
				}
			}
		},
		test:   {
			files: ['assets/js/test/**/*.js']
		},
		
		cssmin: {
			options: {
				banner: '/*! <%= pkg.title %> - v<%= pkg.version %> - <%= grunt.template.today("yyyy-mm-dd") %>\n' +
					' * <%= pkg.homepage %>\n' +
					' * Copyright (c) <%= grunt.template.today("yyyy") %>;' +
					' * Licensed GPLv2+' +
					' */\n'
			},
			minify: {
				expand: true,
				
				cwd: 'assets/css/src/',
				src: ['hash-link-scroll-offset.css'],
				
				dest: 'assets/css/',
				ext: '.min.css'
			}
		},
		watch:  {
			
			styles: {
				files: ['assets/css/src/*.css'],
				tasks: ['cssmin'],
				options: {
					debounceDelay: 500
				}
			},
			
			scripts: {
				files: ['assets/js/src/**/*.js', 'assets/js/vendor/**/*.js'],
				tasks: ['jshint', 'concat', 'uglify'],
				options: {
					debounceDelay: 500
				}
			}
		}
	} );

	// Load other tasks
	grunt.loadNpmTasks('grunt-contrib-jshint');
	grunt.loadNpmTasks('grunt-contrib-concat');
	grunt.loadNpmTasks('grunt-contrib-uglify');
	grunt.loadNpmTasks('grunt-contrib-cssmin');
	
	grunt.loadNpmTasks('grunt-contrib-watch');

	// Default task.
	
	grunt.registerTask( 'default', ['jshint', 'concat', 'uglify', 'cssmin'] );
	

	grunt.util.linefeed = '\n';
};