Gruntfile.js

module.exports = function(grunt) {
    'use strict';
    require('load-grunt-tasks')(grunt, {
        pattern: ['grunt-*']
    });

    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),
        config: {
            'cssSrcDir': 'src/sass',
            'cssTargetDir': 'css',
            'jsSrcDir': 'src/js',
            'jsTargetDir': 'js',
			'jsDependencies': [
				'bower_components/fitvids/jquery.fitvids.js',
				'bower_components/highlightjs/highlight.pack.min.js',
				'bower_components/nprogress/nprogress.js'
			],
			'jsDependenciesInitial': [
				'bower_components/jquery/dist/jquery.min.js',
				'bower_components/history.js/scripts/bundled/html4+html5/jquery.history.js'
			],
			'cssDependencies': [
				'bower_components/normalize.css/normalize.css',
				'bower_components/highlightjs/styles/default.css',
				'bower_components/nprogress/nprogress.css'
			]
        },
        copy: {
	        dev: {
                files: [{
	                dest: 'assets/fonts/',
	                src: '*',
                    cwd: 'src/fonts/',
                    expand: true
                }]
	        },
	        dist: {
                files: [{
	                dest: 'assets/fonts/',
	                src: '*',
                    cwd: 'src/fonts/',
                    expand: true
                }]		        
	        } 
        },
        clean: {
            dist: ['assets']
        },
        sass: {
            dev: {
                options: {
                    includePaths: ['<%= config.cssSrcDir %>'],
                    sourceMaps: true
                },
                files: {
                    'assets/<%=  config.cssTargetDir %>/style.css': '<%=  config.cssSrcDir %>/style.scss'
                }
            },
            dist: {
                options: {
                    outputStyle: 'compressed'
                },
                files: {
                    'assets/<%=  config.cssTargetDir %>/style.css': '<%=  config.cssSrcDir %>/style.scss'
                }
            }
        },
		cssmin: {
			dev: {
				options: {
					shorthandCompacting: false,
					roundingPrecision: -1,
					sourceMap: true
				},
				files: {
					'assets/<%=  config.cssTargetDir %>/dependencies.css': [
						'<%=	config.cssDependencies %>'
					]
				}
			},
			dist: {
				options: {
					shorthandCompacting: false,
					roundingPrecision: -1,
					sourceMap: false
				},
				files: {
					'assets/<%= config.cssTargetDir %>/dependencies.css': [
						'<%= config.cssDependencies %>'
					]
				}
			}
		},
        postcss: {
            options: {
                map: true,
                processors: [
                    require('autoprefixer-core')({ browsers: ['last 2 versions'] })
                ]
            },
            files: {
            	src: 'assets/<%=  config.cssTargetDir %>/*.css'
            }
        },
		uglify: {
			js: {
				files: {
					'assets/<%= config.jsTargetDir %>/script.js': [
						'<%= config.jsSrcDir %>/**/*.js'
					],
					'assets/<%= config.jsTargetDir %>/dependencies.js': [
						'<%= config.jsDependencies %>'
					],
					'assets/<%= config.jsTargetDir %>/dependencies.initial.js': [
						'<%= config.jsDependenciesInitial %>'
					]
				}
			}
		},
        watch: {
            css: {
                files: '<%=  config.cssSrcDir %>/**/*.scss',
                tasks: ['sass:dev','copy:dev','postcss']
            },
            js: {
                files: '<%=  config.jsSrcDir %>/**/*.js',
                tasks: ['uglify']
            }
        }
    });

    grunt.registerTask('build', [
	    'clean:dist',
        'sass:dist',
        'cssmin:dist',
        'postcss',
        'copy:dist',
        'uglify'
    ]);
    grunt.registerTask('default', [
        'sass:dev',
        'cssmin:dev',
        'postcss',
        'copy:dev',
        'uglify'
    ]);
};