Gruntfile.js

"use strict";

module.exports = function (grunt) {

    // We need to include the core Moodle grunt file too, otherwise we can't run tasks like "amd".
    // require("grunt-load-gruntfile")(grunt);
    // grunt.loadGruntfile("../../Gruntfile.js");

    // Load all grunt tasks.
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks("grunt-contrib-watch");
    grunt.loadNpmTasks("grunt-contrib-clean");

    var path = require('path');
    var PWD = process.cwd();

    grunt.initConfig({
        watch: {
            // If any .less file changes in directory "less" then run the "less" task.
            files: "**/src/*.js",
            tasks: ["uglify"]
        },
        uglify: {
            dynamic_mappings: {
                files: grunt.file.expandMapping(
                    ['**/src/*.js', '!**/node_modules/**'],
                    '',
                    {
                        cwd: PWD,
                        rename: function(destBase, destPath) {
                            destPath = destPath.replace('src', 'build');
                            destPath = destPath.replace('.js', '.min.js');
                            destPath = path.resolve(PWD, destPath);
                            return destPath;
                        }
                    }
                )
            }
        }
    });
    // The default task (running "grunt" in console).
    grunt.registerTask("default", ["uglify"]);
};