Gruntfile.js

module.exports = function (grunt) {
    // Load NPM Tasks
    require("matchdep").filter("grunt-*").forEach(grunt.loadNpmTasks);

    grunt.initConfig({
        // Base URL
        base_url: '.',

        // JS Folder URL
        js_url: '<%= base_url %>/js',
        // JS Build Folder URL
        js_build_url: '<%= base_url %>/js_build',

        // Lint through js files
        jshint: {
            options: {
                curly: true,
                eqeqeq: true,
                immed: true,
                trailing: true,
                strict: true,
                forin: true,
                loopfunc: true,
                ignores: ['<%= js_url %>/**/*.min.js', '<%= js_url %>/**/*.all.js']
            },
            files: ['<%= js_url %>/**/*.js']
        },

        // ngmin angular files to protect variable names
        ngmin: {
            controllers: {
                expand: true,
                cwd: '<%= js_build_url %>',
                src: ['controllers/**/*.js'],
                dest: '<%= js_build_url %>/controllers'
            },
            directives: {
                expand: true,
                cwd: '<%= js_build_url %>',
                src: ['directives/**/*.js'],
                dest: '<%= js_build_url %>/directives'
            },
            filters: {
                expand: true,
                cwd: '<%= js_build_url %>',
                src: ['filters/**/*.js'],
                dest: '<%= js_build_url %>/filters'
            },
            views: {
                expand: true,
                cwd: '<%= js_build_url %>',
                src: ['views/**/*.js'],
                dest: '<%= js_build_url %>/views'
            }
        },

        // delete files
        clean: {
            build: ['<%= js_build_url %>']
        },

        // copy files to build
        copy: {
            build: {
                files: [
                    {
                        expand: true,
                        cwd: '<%= js_url %>/',
                        src: ['**'],
                        dest: '<%= js_build_url %>/'
                    }
                ]
            }
        },

        requirejs: {
            build: {
                options: {
                    almond: true,
                    name: 'main',
                    compress: 'none',
                    baseUrl: '<%= js_build_url %>',
                    mainConfigFile: '<%= js_build_url %>/main.js',
                    out: '<%= js_build_url %>/main.build.js',
                    preserveLicenseComments: false,
                    loglevel: 0
                }
            }
        },

        uglify: {
            build: {
                options: {
                    mangle: false
                },
                files: {
                    '<%= js_url %>/main.min.js': ['<%= js_build_url %>/main.build.js']
                }
            }
        }
    });

    // Register tasks
    grunt.registerTask('default', ['build']);
    grunt.registerTask('test', ['jshint']);
    grunt.registerTask('build', [
        'jshint',
        'copy',
        'ngmin',
        'requirejs',
        'uglify:build',
        'clean'
    ]);
};