ScreepsDemo.js

module.exports.loop = function () {
    console.log("Hello World")
    
    var spawner = Object.values(Game.spawns)[0];
    if (spawner.store[RESOURCE_ENERGY] >= 300) {
        console.log(spawner.spawnCreep([WORK,CARRY,MOVE], Game.time));
    }
    

    Object.values(Game.creeps).forEach(c => {
        if (c.store[RESOURCE_ENERGY] > 10) {
            if (c.upgradeController(c.room.controller) == ERR_NOT_IN_RANGE) {
                c.moveTo(c.room.controller);
            }
        } else {
            var src = c.pos.findClosestByRange(FIND_SOURCES_ACTIVE)
            if (c.harvest(src) == ERR_NOT_IN_RANGE) {
                c.moveTo(src);
            }
        }
    })

}