Gruntfile.js

// example Gruntfile for webpack
module.exports = function (grunt) {
    'use strict';

    require('load-grunt-tasks')(grunt);

    // Project configuration
    grunt.initConfig({
        // Metadata
        pkg: grunt.file.readJSON('package.json'),
        banner: '/*! <%= pkg.name %> - v<%= pkg.version %> - ' +
            '<%= grunt.template.today("yyyy-mm-dd") %>\n' +
            '<%= pkg.homepage ? "* " + pkg.homepage + "\\n" : "" %>' +
            '* Copyright (c) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %>;' +
            ' Licensed <%= props.license %> */\n',
        // Task configuration
        webpack: {
          global: {
            // webpack options
            entry: "./src/entry.js",
            output: {
              path: "lib",
              filename: "bundle.js",
              libraryTarget: 'umd',
              library: "WithGrunt"
            },
            resolve: {
              modulesDirectories: ['node_modules', 'bower_components'],
            },
            stats: {
              // Configure the console output
              colors: true,
              modules: true,
              reasons: true
            },


            failOnError: true, // don't report error to grunt if webpack find errors
          }
        },
        jshint: {
            options: {
                node: true,
                curly: true,
                eqeqeq: true,
                immed: true,
                latedef: true,
                newcap: true,
                noarg: true,
                sub: true,
                undef: true,
                unused: false,
                eqnull: true,
                browser: true,
                globals: {
                  jQuery: true,
                  "define": false,
                  /* MOCHA */
                  "suite": false,
                  "test": false,
                  "before": false,
                  "beforeEach": false,
                  "after": false,
                  "afterEach": false,
                  "describe": false,
                  "it": false
                },
                boss: true
            },
            gruntfile: {
                src: 'gruntfile.js'
            },
            src_test: {
                src: ['src/**/*.js', 'test/**/*.js']
            }
        },
        mochaTest: {
          test: {
            options: {
              reporter: 'spec',
              clearRequireCache: true
            },
            src: ['test/**/*.js']
          },
        },
        watch: {
            gruntfile: {
                files: '<%= jshint.gruntfile.src %>',
                tasks: ['jshint:gruntfile']
            },
            lib_test: {
                files: '<%= jshint.lib_test.src %>',
                tasks: ['jshint:lib_test', 'mochaTest']
            }
        }
    });


    // Default task
    grunt.registerTask('default', ['jshint', 'webpack', 'mochaTest']);
};