Gruntfile.js

module.exports = function (grunt) {
    const sass = require('sass');

    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),
        watch: {
            options: {
                livereload: true,
                spawn: false,
            },
            css: {
                files: ['scss/*.scss'],
                tasks: ['sass-task'],
            },
            js: {
                files: ['js/*.js'],
                tasks: ['js-task'],
            },
        },
        sass: {
            options: {
                implementation: sass,
                sourceMap: false
            },
            dist: {
                files: {
                    'css/pushy.css': 'scss/pushy.scss',
                    'css/demo.css': 'scss/demo.scss',
                }
            }
        },
        uglify: {
            dist: {
                files: {
                    'js/pushy.min.js': 'js/pushy.js'
                }
            }
        },
    });

    // Load grunt plugins
    grunt.loadNpmTasks('grunt-sass');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-watch');

    // Default task(s).
    grunt.registerTask('default', ['watch']);
    grunt.registerTask('js-task', ['uglify']);
    grunt.registerTask('sass-task', ['sass']);
};