@validatem/core/example-arguments.js

The last validation library you'll ever need.

"use strict";

const { validateArguments, RemainingArguments } = require(".");
const isString = require("@validatem/is-string");
const isBoolean = require("@validatem/is-boolean");
const isNumber = require("@validatem/is-number");
const required = require("@validatem/required");
const arrayOf = require("@validatem/array-of");

function testFunction(one, two, three, ... rest) {
	validateArguments(arguments, {
		one: [ required, isString ],
		two: [ required, isNumber ],
		three: [ required, isBoolean ],
		[RemainingArguments]: [ required, arrayOf(isString) ],
	});
}

testFunction("foo", "bar", null, "baz", 42);

/*
AggregrateValidationError: One or more validation errors occurred:
 - At two: Must be a number
 - At three: Required value is missing
 - At array -> 1: Must be a string
 - At mapping -> d -> (value): Must be a boolean
*/