Function getNextOffset

packages/react-aria/src/utils/useDrag1D.ts:62–67

(e: MouseEvent)

  } = props;
  let getPosition = e => (orientation === 'horizontal' ? e.clientX : e.clientY);
  let getNextOffset = (e: MouseEvent) => {
    let containerOffset = getOffset(containerRef.current, reverse, orientation);
    let mouseOffset = getPosition(e);
    let nextOffset = reverse ? containerOffset - mouseOffset : mouseOffset - containerOffset;
    return nextOffset;
  };
  let dragging = useRef(false);
  let prevPosition = useRef(0);