Method intersection

packages/react-stately/src/virtualizer/Rect.ts:172–180

* Returns the intersection of this Rect with another. * If the rectangles do not intersect, an all zero Rect is returned.

(other: Rect)

   * If the rectangles do not intersect, an all zero Rect is returned.
   */
  intersection(other: Rect): Rect {
    if (!this.intersects(other)) {
      return new Rect(0, 0, 0, 0);
    }

    let x = Math.max(this.x, other.x);
    let y = Math.max(this.y, other.y);
    return new Rect(x, y, Math.min(this.maxX, other.maxX) - x, Math.min(this.maxY, other.maxY) - y);
  }

  /**
   * Returns a copy of this rectangle.