@clayui/modal/lib/esm/Hook.js

ClayModal component

import { FOCUSABLE_ELEMENTS, Keys, stack } from "@clayui/shared";
import React, { useEffect } from "react";
function useUserInteractions(modalElementRef, modalBodyElementRef, onClick, show, content) {
  const mouseEventTargetRef = React.useRef(null);
  const getFocusableNodes = () => {
    if (modalBodyElementRef.current) {
      const nodes = modalBodyElementRef.current.querySelectorAll(
        FOCUSABLE_ELEMENTS
      );
      return Object.keys(nodes).map((key) => nodes[key]);
    }
    return [];
  };
  const handleKeydown = (event) => {
    if (event.key === Keys.Esc && stack[stack.length - 1] === modalElementRef) {
      onClick();
    }
    if (event.key === Keys.Tab) {
      if (modalElementRef.current && event.target !== null && !modalElementRef.current.contains(event.target)) {
        modalBodyElementRef.current.focus();
      } else {
        const focusableNodes = getFocusableNodes();
        const focusedItemIndex = focusableNodes.indexOf(
          document.activeElement
        );
        if (event.shiftKey && focusedItemIndex === 0) {
          focusableNodes[focusableNodes.length - 1].focus();
          event.preventDefault();
        }
        if (!event.shiftKey && focusedItemIndex === focusableNodes.length - 1) {
          focusableNodes[0].focus();
          event.preventDefault();
        }
      }
    }
  };
  const handleDocumentMouseDown = (event) => {
    mouseEventTargetRef.current = event.target;
  };
  const handleDocumentMouseUp = (event) => {
    if (event.defaultPrevented) {
      mouseEventTargetRef.current = null;
      return;
    }
    if (event.target === modalElementRef.current && mouseEventTargetRef.current === event.target) {
      mouseEventTargetRef.current = null;
      onClick();
    }
    mouseEventTargetRef.current = null;
  };
  useEffect(() => {
    document.addEventListener("keydown", handleKeydown);
    document.addEventListener("mousedown", handleDocumentMouseDown);
    document.addEventListener("mouseup", handleDocumentMouseUp);
    return () => {
      document.removeEventListener("keydown", handleKeydown);
      document.removeEventListener("mousedown", handleDocumentMouseDown);
      document.removeEventListener("mouseup", handleDocumentMouseUp);
    };
  }, [show, content]);
}
export {
  useUserInteractions
};