Gruntfile.js

module.exports = function (grunt) {
  var config = require("./.screeps_credentials.json");
  var branch = grunt.option("branch") || config.branch;
  var email = grunt.option("email") || config.email;
  var password = grunt.option("password") || config.password;
  var ptr = grunt.option("ptr") ? true : config.ptr;

  grunt.loadNpmTasks("grunt-screeps");
  grunt.loadNpmTasks("grunt-contrib-clean");
  grunt.loadNpmTasks("grunt-contrib-copy");

  grunt.initConfig({
    screeps: {
      options: {
        email: email,
        password: password,
        branch: branch,
        ptr: ptr,
      },
      dist: {
        src: ["dist/*.js"],
      },
    },

    // Remove all files from the dist folder.
    clean: {
      dist: ["dist"],
    },

    // Copy all source files into the dist folder, flattening the folder structure by converting path delimiters to underscores
    copy: {
      // Pushes the game code to the dist folder so it can be modified before being send to the screeps server.
      screeps: {
        files: [
          {
            expand: true,
            cwd: "src/",
            src: "**",
            dest: "dist/",
            filter: "isFile",
            rename: function (dest, src) {
              // Change the path name utilize underscores for folders
              return dest + src.replace(/\//g, "_");
            },
          },
        ],
      },
    },
  });

  grunt.registerTask("default", ["clean", "copy:screeps", "screeps"]);
};