How to use the function function from joi

joi.function is a validation method provided by the Joi library in Node.js that checks if the value is a function.

How does joi.function work?

joi.function() is a method used in the joi library of Node.js for validating a function. It validates whether the input is a function or not and returns an error message if it is not. The method also allows for custom validation rules to be applied to the input function.

Ai Example

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const Joi = require("joi");

const schema = Joi.func();

const myFunc = function () {
  console.log("Hello world!");
};

const result = schema.validate(myFunc);

console.log(result); // { value: [Function: myFunc], error: null }