express-validator-examples

A few different ways to implement express validator

References

1. https://express-validator.github.io/docs/
2. https://github.com/validatorjs/validator.js

Setup

Install the dependencies

npm install

Start the server

npm start

Make Request

Send a POST request to http://localhost:8080/examples/1 with the following body:

{
  "userId": "633065ec5cac22c34826c340",
  "event": "GameScore",
  "game": "Snake",
  "score": 88
}

Rules

Every request payload should:

1. Have a userId and should be a valid mongo id
2. Have a event and it should be one of ["GameScore", "GameStart", "GameEnd"]
3. Have a game if the event is GameScore. It should be one of ["Pong", "Tetris", "Snake"]
4. Have a score if the event is GameScore. It should be a number and be between 0 and 100.

Invalid Payload Examples

Game score > 100

{
  "userId": "633065ec5cac22c34826c340",
  "event": "GameScore",
  "game": "Snake",
  "score": 101
}

Invalid game type

{
  "userId": "633065ec5cac22c34826c340",
  "event": "GameScore",
  "game": "Pacman",
  "score": 50
}

Valid Payload

{
  "userId": "633065ec5cac22c34826c340",
  "event": "GameScore",
  "game": "Snake",
  "score": 88
}