Gruntfile.js

/* jshint node:true */
module.exports = function (grunt) {
  'use strict';

  grunt.initConfig({
    // setting folder templates
    dirs: {
      css: 'assets/css',
      less: 'assets/css',
      js: 'assets/js'
    },

    // Compile all .less files.
    less: {
      compile: {
        options: {
          // These paths are searched for @imports
          paths: ['<%= less.css %>/']
        },
        files: [{
          expand: true,
          cwd: '<%= dirs.css %>/',
          src: [
            '*.less',
            '!mixins.less'
          ],
          dest: '<%= dirs.css %>/',
          ext: '.css'
        }]
      }
    },

    // Minify all .css files.
    cssmin: {
      minify: {
        expand: true,
        cwd: '<%= dirs.css %>/',
        src: ['*.css'],
        dest: '<%= dirs.css %>/',
        ext: '.css'
      }
    },

    // Minify .js files.
    uglify: {
      options: {
        preserveComments: 'some'
      },
      jsfiles: {
        files: [{
          expand: true,
          cwd: '<%= dirs.js %>/',
          src: [
            '*.js',
            '!*.min.js',
            '!Gruntfile.js',
          ],
          dest: '<%= dirs.js %>/',
          ext: '.min.js'
        }]
      }
    },

    // Watch changes for assets
    watch: {
      less: {
        files: [
          '<%= dirs.less %>/*.less',
        ],
        tasks: ['less', 'cssmin'],
      },
      js: {
        files: [
          '<%= dirs.js %>/*js',
          '!<%= dirs.js %>/*.min.js'
        ],
        tasks: ['uglify']
      }
    },

    // Build a zip file for deployment
    compress: {
      main: {
        options: {
          archive: `dist/flyyer-wordpress-plugin.zip`
        },
        files: [
          { src: ['assets/css/*.css'], filter: 'isFile' }, // includes css files in css path
          { src: ['assets/js/*.min.js'], filter: 'isFile' }, // includes js files in js path
          { src: ['assets/**', '!assets/js/**/*', '!assets/css/**/*'], filter: 'isFile' }, // includes any other assets outside js/css
          { src: ['includes/**'], filter: 'isFile' }, //includes files in includes path
          { src: ['lang/**'], filter: 'isFile' }, //includes files in lang path
          { src: ['vendor/flyyer/**'], filter: 'isFile' }, //includes flyyer files in vendor path
          { src: ['*.php', 'LICENSE', '*.txt'], filter: 'isFile' } //includes base directory files
        ]
      }
    }
  });

  grunt.loadTasks('tasks');

  // Load NPM tasks to be used here
  grunt.loadNpmTasks('grunt-contrib-less');
  grunt.loadNpmTasks('grunt-contrib-cssmin');
  grunt.loadNpmTasks('grunt-contrib-uglify');
  grunt.loadNpmTasks('grunt-contrib-watch');
  grunt.loadNpmTasks('grunt-contrib-compress');

  // Register tasks
  grunt.registerTask('default', [
    'less',
    'cssmin',
    'uglify'
  ]);

  grunt.registerTask('build', [
    'less',
    'cssmin',
    'uglify',
    'compress'
  ])
};