Напишите код для "безопасного" вычисления периметра и площади прямоугольника в виде модуля

export class Rectangle {
    #side1: number;
    public get side1(): number {
        return this.#side1;
    }
    public set side1(value: number) {
        assertIsNumber(value);
        assertIsPositive(value);
        this.#side1 = value;
    }
    #side2: number;
    public get side2(): number {
        return this.#side2;
    }
    public set side2(value: number) {
        assertIsNumber(value);
        assertIsPositive(value);
        this.#side2 = value;
    }
    constructor(side1: any, side2: any) {
        this.side1 = side1;
        this.side2 = side2;
    }
    public perimeter() {
        return 2 * (this.#side1 + this.#side2);
    }
    public area() {
        return this.#side1 * this.#side2;
    }
}
 
function assertIsNumber(value: any): asserts value is number {
    if (!Number.isFinite(value)) throw new Error("Argument is not finite number.");
}
function assertIsPositive(value: number) {
    if (value <= 0) throw new Error("Argument is not positive number.");
}
// ----------------------
// Тестирование
{
    let square = new Rectangle(10, 20);
    console.log(square.perimeter());
    console.log(square.area());
}
{
    try {
        let square = new Rectangle(10, "20");
        console.log(square.perimeter());
        console.log(square.area());
    }
    catch (error) {
        console.log(error.message);
    }
}

export class Rectangle {
    constructor(side1, side2) {
        this.side1 = side1;
        this.side2 = side2;
    }
    #side1;
    get side1() {
        return this.#side1;
    }
    set side1(value) {
        assertIsNumber(value);
        assertIsPositive(value);
        this.#side1 = value;
    }
    #side2;
    get side2() {
        return this.#side2;
    }
    set side2(value) {
        assertIsNumber(value);
        assertIsPositive(value);
        this.#side2 = value;
    }
    perimeter() {
        return 2 * (this.#side1 + this.#side2);
    }
    area() {
        return this.#side1 * this.#side2;
    }
}
function assertIsNumber(value) {
    if (!Number.isFinite(value))
        throw new Error("Argument is not finite number.");
}
function assertIsPositive(value) {
    if (value <= 0)
        throw new Error("Argument is not positive number.");
}
// ----------------------
// Тестирование
{
    let square = new Rectangle(10, 20);
    console.log(square.perimeter());
    console.log(square.area());
}
{
    try {
        let square = new Rectangle(10, "20");
        console.log(square.perimeter());
        console.log(square.area());
    }
    catch (error) {
        console.log(error.message);
    }
}

export function perimeter(side1: any, side2: any) {
    assertIsNumber(side1);
    assertIsPositive(side1);
    assertIsNumber(side2);
    assertIsPositive(side2);
    return 2 * (side1 + side2);
}
export function area(side1: any, side2: any) {
    assertIsNumber(side1);
    assertIsPositive(side1);
    assertIsNumber(side2);
    assertIsPositive(side2);
    return side1 * side2;
}
 
function assertIsNumber(value: any): asserts value is number {
    if (!Number.isFinite(value)) throw new Error("Argument is not finite number.");
}
function assertIsPositive(value: number) {
    if (value <= 0) throw new Error("Argument is not positive number.");
}
// ----------------------
// Тестирование
{
    console.log(perimeter(10, 20));
    console.log(area(10, 20));
}
{
    try {
        console.log(perimeter(10, "20"));
        console.log(area(10, "20"));
    }
    catch (error) {
        console.log(error.message);
    }
}

export function perimeter(side1, side2) {
    assertIsNumber(side1);
    assertIsPositive(side1);
    assertIsNumber(side2);
    assertIsPositive(side2);
    return 2 * (side1 + side2);
}
export function area(side1, side2) {
    assertIsNumber(side1);
    assertIsPositive(side1);
    assertIsNumber(side2);
    assertIsPositive(side2);
    return side1 * side2;
}
function assertIsNumber(value) {
    if (!Number.isFinite(value))
        throw new Error("Argument is not finite number.");
}
function assertIsPositive(value) {
    if (value <= 0)
        throw new Error("Argument is not positive number.");
}
// ----------------------
// Тестирование
{
    console.log(perimeter(10, 20));
    console.log(area(10, 20));
}
{
    try {
        console.log(perimeter(10, "20"));
        console.log(area(10, "20"));
    }
    catch (error) {
        console.log(error.message);
    }
}