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/**
* @filedescription Validation Strategy
*/
"use strict";
//-----------------------------------------------------------------------------
// Class
//-----------------------------------------------------------------------------
/**
* Container class for several different validation strategies.
*/
class ValidationStrategy {
/**
* Validates that a value is an array.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static array(value) {
if (!Array.isArray(value)) {
throw new TypeError("Expected an array.");
}
}
/**
* Validates that a value is a boolean.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static boolean(value) {
if (typeof value !== "boolean") {
throw new TypeError("Expected a Boolean.");
}
}
/**
* Validates that a value is a number.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static number(value) {
if (typeof value !== "number") {
throw new TypeError("Expected a number.");
}
}
/**
* Validates that a value is a object.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static object(value) {
if (!value || typeof value !== "object") {
throw new TypeError("Expected an object.");
}
}
/**
* Validates that a value is a object or null.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static "object?"(value) {
if (typeof value !== "object") {
throw new TypeError("Expected an object or null.");
}
}
/**
* Validates that a value is a string.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static string(value) {
if (typeof value !== "string") {
throw new TypeError("Expected a string.");
}
}
/**
* Validates that a value is a non-empty string.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static "string!"(value) {
if (typeof value !== "string" || value.length === 0) {
throw new TypeError("Expected a non-empty string.");
}
}
}
exports.ValidationStrategy = ValidationStrategy;