"AB" collision of two rectangles

AreRectanglesColliding.ts

type Rectangle = {
    x: number,
    y: number,
    h: number,
    w: number
}

function areRectanglesColliding(a: Rectangle, b: Rectangle) {
    const i = a.x < (b.x + b.w);
    const ii = b.x < (a.x + a.w);
    const iii = a.y < (b.y + b.h);
    const iv = b.y < (a.y + a.h);
    return i && ii && iii && iv;  
}