validation-flow.js

import {SuitType} from "./types";
import {generateSchema} from "flow-runtime";

const validate = (value, type) => {
  return joi.validate(value, generateSchema(type), {
    abortEarly: false
  });
}

// Validation calls

console.log(validate("Carrot", SuitType));

// Output

// {
//  error: [ValidationError: "value" must be one of [Diamonds, Clubs, Hearts, Spades]],
//  value: 'Carrot'
// }