export default()

in packages/hooks/src/useMouse/index.ts [36:75]

• 38 lines of code
• 2 McCabe index (conditional complexity)

export default (target?: BasicTarget) => {
  const [state, setState] = useRafState(initState);

  useEventListener(
    'mousemove',
    (event: MouseEvent) => {
      const { screenX, screenY, clientX, clientY, pageX, pageY } = event;
      const newState = {
        screenX,
        screenY,
        clientX,
        clientY,
        pageX,
        pageY,
        elementX: NaN,
        elementY: NaN,
        elementH: NaN,
        elementW: NaN,
        elementPosX: NaN,
        elementPosY: NaN,
      };
      const targetElement = getTargetElement(target);
      if (targetElement) {
        const { left, top, width, height } = targetElement.getBoundingClientRect();
        newState.elementPosX = left + window.pageXOffset;
        newState.elementPosY = top + window.pageYOffset;
        newState.elementX = pageX - newState.elementPosX;
        newState.elementY = pageY - newState.elementPosY;
        newState.elementW = width;
        newState.elementH = height;
      }
      setState(newState);
    },
    {
      target: () => document,
    },
  );

  return state;
};