routines snip

var target = creep.memory.damagedDefence;
if(!target){
    var equals = this.findDefRepair(creep)
    if(equals){
        creep.memory.damagedDefence = equals;
        return true;
    }
    else{
        return false
    }
}
else {
    if(creep.repair(target) == ERR_NOT_IN_RANGE){
        creep.moveTo(target);
        return true;
    }
    else{
        return true;
    }
}