Gruntfile for WP

gistfile1.txt

'use strict';
// # Globbing
// for performance reasons we're only matching one level down:
// 'test/spec/{,*/}*.js'
// use this if you want to recursively match all subfolders:
// 'test/spec/**/*.js'

module.exports = function(grunt) {
  // load all grunt tasks
  require('load-grunt-tasks')(grunt);

  // Project configuration.
  grunt.initConfig({
    watch: {
      scripts: {
        files: ['app/js/{,*/}*.js'],
        tasks: ['concat']
      },
      compass: {
        files: ['app/scss/{,*/}*.{scss,sass}'],
        tasks: ['compass:app', 'autoprefixer']
      },
      php: {
        files: ['*.php', 'includes/{,*/}*.php'],
      },
      images: {
        files: ['app/images/*.{png,jpg,gif}'],
        tasks: ['newer:imagemin']
      },
      options: {
        livereload: true,
        spawn: false
      }
    },

    clean: {
      app: {
        src: 'app/js/dev'
      },
      dist: {
        src: 'app/js/build'
      }
    },

    compass: {
      app: {
        options: {
          require: ['breakpoint'],
          sassDir: 'app/scss',
          cssDir: 'app/css',
          fontsDir: 'app/fonts',
          javascriptsDir: 'app/js',
          imagesDir: 'app/images',
          outputStyle: 'expanded',
          relativeAssets: true,
        }
      },
    },

    autoprefixer: {
      options: {
        browsers: ['last 2 versions'],
      },
      style: {
        files: {
          'app/css/styles.css ': 'app/css/styles.css'
        }
      }
    },

    concat: {
      header: {
        src: [
          'app/js/header/vendor/*.js',
          'app/js/header/*.js',
        ],
        dest: 'app/js/dev/header.js'
      },
      footer: {
        src: [
          'app/js/footer/vendor/*.js',
          'app/js/footer/*.js',
        ],
        dest: 'app/js/dev/footer.js'
      }
    },

    uglify: {
      target: {
        files: {
          'app/js/build/prod-header.min.js': ['<%= concat.header.dest %>'],
          'app/js/build/prod-footer.min.js': ['<%= concat.footer.dest %>']
        },
      },
    },

    imagemin: {
      options: {
        optimizationLevel: 7
      },
      minify: {
        files: [{
          expand: true,
          cwd: 'app/images',
          src: ['*.{png,jpg,gif}'],
          dest: 'app/images'
        }]
      }
    },

    cssmin: {
      minify: {
        expand: true,
        cwd: 'app/css/',
        src: ['*.css', '!*.min.css'],
        dest: 'app/css/',
        ext: '.min.css'
      }
    }
  });

  // Default task(s).
  grunt.registerTask('default', ['clean:app', 'concat', 'watch']);

  grunt.registerTask('build', [
    'clean:dist',
    'concat',
    'uglify',
    'cssmin',
    'newer:imagemin',
  ]);
};