Gruntfile.js

'use strict';

module.exports = function(grunt) {

  grunt.loadNpmTasks('grunt-browserify');
  grunt.loadNpmTasks('grunt-contrib-clean');
  grunt.loadNpmTasks('grunt-contrib-jshint');
  grunt.loadNpmTasks('grunt-contrib-uglify');
  grunt.loadNpmTasks('grunt-contrib-watch');

  // Project configuration.
  grunt.initConfig({

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

    browserify: {
      options: {
        browserifyOptions: {
          debug: true
        }
      },
      buildFiles: {
        files: {[`dist/es5scripts.js`]: 'src/scripts/**/*.js'}
      },
      watch: {
        files: {[`dist/es5scripts.js`]: 'src/scripts/**/*.js'},
        options: {
          keepAlive: true,
          watch: true
        }
      }
    },

    clean: {
      dist: ['dist/']
    },

    jshint: {
      client: ['src/scripts/**/*.js'],
      options: {
        jshintrc: true
      }
    },

    uglify: {
      production: {
        files: {
          [`dist/es5scripts.js`]: ['dist/es5scripts.js']
        }
      }
    }
  });

  grunt.registerTask('build', ['clean', 'jshint:client', 'browserify:buildFiles', 'uglify:production']);
  grunt.registerTask('devbuild', ['clean', 'jshint:client', 'browserify:buildFiles']);
  grunt.registerTask('watch', ['browserify:watch']);

  grunt.registerTask('default', function() {
    grunt.log.writeln('grunt commands this project supports:');
    grunt.log.writeln('');
    grunt.log.writeln('  grunt build (build with uglify compression)');
    grunt.log.writeln('  grunt devbuild (build without compression)');
    grunt.log.writeln('  grunt clean (delete built es5scripts.js file)');
  });
};