How to force to wait for the completion of the script execution and continue (some kind of queue)?

Question

Node.js

Good afternoon.
There is a script that can be accessed by many clients, how to make it so that until the current request is processed, do not execute a new one in parallel?
For example, a request has arrived, while it is being executed, other requests are waiting.

Answer 1

Form a queue from client requests, make a queue handler that will feed it to the script

Answer 2

I have a guess that this is what you need: https://github.com/OptimalBits/bull

Answer 3

Well, i.e. Should only one script be executed at a time? A mutex
seems to work for you . If the script is running for a long time - perhaps it really makes more sense to use queues.