takeTopPct

function Rect.takeTopPct(rect: Rect, amount: number): Rect

Takes a percentage of the rectangle from the top. Returns a new rectangle that represents the top portion of the original rectangle, with the height calculated as a percentage (0-1) of the original height.

Example

data-first

Rect.takeTopPct({ left: 10, top: 20, width: 100, height: 80 }, 0.25);
// { left: 10, top: 20, width: 100, height: 20 }

data-last

pipe({ left: 10, top: 20, width: 100, height: 80 }, Rect.takeTopPct(0.25));
// { left: 10, top: 20, width: 100, height: 20 }