map

function Rect.map(rect: Rect, transform: (rect: Rect) => Partial<Rect>): Rect

Applies a transformation function to a rectangle, merging the returned partial rectangle with the original.

Example

data-first

Rect.map({ left: 10, top: 20, width: 100, height: 50 }, (r) => ({
    width: r.width * 2,
}));
// { left: 10, top: 20, width: 200, height: 50 }

data-last

pipe(
    { left: 10, top: 20, width: 100, height: 50 },
    Rect.map((r) => ({ width: r.width * 2 })),
);
// { left: 10, top: 20, width: 200, height: 50 }