role.upgrader.js

var roleUpgrader = {

    /** @param {Creep} creep **/
    run: function (creep) {

        if (creep.memory.upgrading && creep.store[RESOURCE_ENERGY] === 0) {
            creep.memory.upgrading = false;
            creep.say('🔄 harvest');
        }

        if (!creep.memory.upgrading && creep.store.getFreeCapacity() === 0) {
            creep.memory.upgrading = true;
            creep.say('⚡ upgrade');
        }

        if (creep.memory.upgrading) {
            if (creep.upgradeController(creep.room.controller) === ERR_NOT_IN_RANGE) {
                creep.moveTo(creep.room.controller, {visualizePathStyle: {stroke: '#ff0000f'}});
            }
        } else {
            const target = creep.pos.findClosestByRange(FIND_DROPPED_RESOURCES);
            if(target) {
                if(creep.pickup(target) === ERR_NOT_IN_RANGE) {
                    creep.moveTo(target);
                }
            }
        }
    }
};

module.exports = roleUpgrader;