Function isInsideClientRect

src/cdk/drag-drop/dom/dom-rect.ts:35–38

(clientRect: DOMRect, x: number, y: number)

 * @param y Coordinates along the Y axis.
 */
export function isInsideClientRect(clientRect: DOMRect, x: number, y: number) {
  const {top, bottom, left, right} = clientRect;
  return y >= top && y <= bottom && x >= left && x <= right;
}

/**
 * Checks if the child element is overflowing from its parent.