gruntfile.js

'use strict';
module.exports = function (grunt) {
    grunt.initConfig({
        clean : {
            build: ['build/'],
            release: ['release/']
        },
        replace : {
            build: {
                options: {
                    patterns: [
                        { match : 'AUTH0_CLIENT_ID', replacement: process.env.AUTH0_CLIENT_ID },
                        { match : 'CALLBACK_URL', replacement: process.env.CALLBACK_URL },
                        { match : 'API_DOMAIN', replacement: process.env.API_DOMAIN },
                    ]
                },
                files : [
                    { src: 'app/js/config.def.js', dest: 'app/js/config.js' }
                ]
            }
        },
        browserify: {
            build: {
                // A single entry point for our app
                src: 'app/js/app.js',
                // Compile to a single file to add a script tag for in your HTML
                dest: 'build/js/bundle.js',
            },
        },
        cssmin: {
            build: {
                src: ['app/css/bootstrap.min.css', 'app/css/app.css', 'app/css/local.css'],
                // Compile to a single file to add a script tag for in your HTML
                dest: 'build/css/bundle.css',
            },
        },
        uglify: {
            release: {
                src: 'build/js/bundle.js',
                dest: 'release/js/bundle.js',
            },
        },
        copy: {
            build: {
                // This copies all the html and images into the build/ folder. css and js were done already.
                expand: true,
                cwd: 'app/',
                src: ['**/*.html', 'img/**', 'fonts/**', 'data/**', 'robots.txt'],
                dest: 'build/',
            },
            release: {
                // This copies all the html, css and images into the release/ folder. js was done already.
                expand: true,
                cwd: 'build/',
                src: ['**/*.html', 'img/**', 'css/**', 'fonts/**', 'data/**', 'robots.txt'],
                dest: 'release/',
            },
        },
        watch: {
            dev: {
                files: ['app/**', '!app/js/config.js'],
                tasks: ['build']
            }
        },
    });

    // Load the npm installed tasks
    grunt.loadNpmTasks('grunt-browserify');
    grunt.loadNpmTasks('grunt-contrib-copy');
    grunt.loadNpmTasks('grunt-contrib-cssmin');
    grunt.loadNpmTasks('grunt-contrib-clean');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-replace');
    grunt.loadNpmTasks('grunt-contrib-watch');

    // The default tasks to run when you type: grunt
    grunt.registerTask('default', ['clean:build', 'replace:build', 'browserify:build', 'cssmin:build', 'copy:build']);
    grunt.registerTask('build', ['clean:build', 'replace:build', 'browserify:build', 'cssmin:build', 'copy:build']);
    //release tasks work out of build directory - build must be run first!
    grunt.registerTask('release', ['clean:release', 'uglify:release', 'copy:release']);
};