Gruntfile, as it stands now

Gruntfile.js

'use strict';

module.exports = function(grunt) {

    // load all grunt tasks
    require('matchdep').filterDev('grunt-*').forEach(grunt.loadNpmTasks);

    var jsFoundation = [
        'bower_components/foundation/js/foundation/foundation.js',
        // 'bower_components/foundation/js/foundation/foundation.abide.js',
        // 'bower_components/foundation/js/foundation/foundation.accordion.js',
        // 'bower_components/foundation/js/foundation/foundation.alert.js',
        // 'bower_components/foundation/js/foundation/foundation.clearing.js',
        // 'bower_components/foundation/js/foundation/foundation.dropdown.js',
        // 'bower_components/foundation/js/foundation/foundation.equalizer.js',
        // 'bower_components/foundation/js/foundation/foundation.interchange.js',
        // 'bower_components/foundation/js/foundation/foundation.joyride.js',
        // 'bower_components/foundation/js/foundation/foundation.magellan.js',
        'bower_components/foundation/js/foundation/foundation.offcanvas.js',
        // 'bower_components/foundation/js/foundation/foundation.orbit.js',
        // 'bower_components/foundation/js/foundation/foundation.reveal.js',
        // 'bower_components/foundation/js/foundation/foundation.slider.js',
        // 'bower_components/foundation/js/foundation/foundation.tab.js',
        // 'bower_components/foundation/js/foundation/foundation.tooltip.js',
        'bower_components/foundation/js/foundation/foundation.topbar.js'
    ];

    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),

        sass: {
            options: {
                includePaths: ['bower_components/foundation/scss']
            },
            dist: {
                options: {
                    outputStyle: 'nested',
                    sourceMap: true
                },
                files: {
                    // 'css/app.css': 'scss/app.scss',
                    'css/style.css': 'scss/style.scss'
                }
            }
        },

        // uglify: {
        //     options: {
        //         mangle: false
        //     },
        //     my_target: {
        //         files: {
        //             'js/modernizr.min.js': ['bower_components/modernizr/modernizr.js']
        //         }
        //     },
        //     build: {
        //       options: {
        //          banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n'
        //       },
        //       files: {  
        //           'build/js/vendor.min.js': [
        //               'js/modernizr.foundation.js'
        //           ],
        //           'build/js/foundation.min.js': [
        //               'js/jquery.foundation.orbit.js',
        //               'js/jquery.foundation.topbar.js',
        //               'js/jquery.offcanvas.js',
        //               'js/app.js'
        //           ]
        //       }
        //   }          
        // },

        // auto vendor prefixes
        autoprefixer: {
            options: {
                cascade: true
            },
            single_file: {
                src: 'style.css',
                dest: 'build/css/style.css'
            },
        },
        
        favicons: {
            options: {
                html: 'build/favicons.html',
                HTMLPrefix: "<?php echo get_template_directory_uri(); ?>;/img/icons/",
                windowsTile: false,
              },
              icons: {
                src: 'img/favicon-src.png',
                dest: 'img/icons'
            }
        },

        // copy: {
        //  main: {
        //      nonull: true,
        //      src: 'bower_components/foundation/js/foundation.min.js',
        //      dest: 'js/foundation.min.js'
        //  }
        // },

        bower_concat: {
            foundation: {
                dest: 'js/foundation.js',
                include: [
                    'foundation',
                ]
            },
            others: {
                dest: 'js/vendor.js',
                cssDest: 'css/vendor.css',
                include: [
                    'slick-carousel', 
                    'fontawesome',  
                    'headroom.js',    
                    'isotope',
                    // 'imagesloaded'
                ],
                mainFiles: {
                    'isotope': ['dist/isotope.pkgd.min.js'],
                }
            },
        },

        uglify: {
            bower: {
                options: {
                    mangle: true,
                    beautify: false,
                    compress: true
                },
                files: {
                    'js/bower.min.js': [jsFoundation, 'js/app.js', 'js/vendor.js']
                }
            },
        },

        // deploy files using rsync
        deploy: {
            options: {
                args: ["--verbose"],
                exclude: ['.git*', 'node_modules', 'backups', 'build/uploads', 'Gruntfile.js', 'package.json', '.DS_Store', 'README.md', 'config.rb', '.jshintrc', '.sass-cache', 'scss', 'bower_components', '.bowerrc', 'bower.json'],
                recursive: true,
                ssh: true
            },
            staging: {
                options: {
                    src: "./",
                    dest: "~/www/wp-content/themes/batlogic",
                    host: "batlogic-s",
                }
            }
        },

        watch: {
            grunt: { 
                files: ['Gruntfile.js'],
                options: { livereload: true },
            },
            sass: {
                files: 'scss/**/*.scss',
                tasks: ['sass'],
            },
            changes: {
                // files: ['*.html', '*.php', '*.css', 'images/**/*.{png,jpg,jpeg,gif,webp,svg}', '!node_modules/**/*'],
                files: ['css/style.css', '*.php', 'images/**/*.{png,jpg,jpeg,gif,webp,svg}', '!node_modules/**/*.*', '!.**/**/*.*'],
                options: { 
                    livereload: true, 
                },
            }
        }
    });

    // rename tasks
    grunt.renameTask('rsync', 'deploy');

    grunt.registerTask('style', ['sass']);
    grunt.registerTask('build', ['style','autoprefixer', 'uglify']);
    grunt.registerTask('buildbower', ['bower_concat', 'uglify:bower']);
    grunt.registerTask('default', ['style','watch']);
};