@clayui/shared/lib/esm/useInteractionFocus.js

ClayShared component

import { useEffect, useState } from "react";
import { isMac } from "./platform";
let currentInteraction = null;
let hasSetupGlobalListeners = false;
let hasEventBeforeFocus = false;
let hasBlurredWindowRecently = false;
const handlers = /* @__PURE__ */ new Set();
function isValidKey(event) {
  return !(event.metaKey || !isMac() && event.altKey || event.ctrlKey || event.key === "Control" || event.key === "Shift" || event.key === "Meta");
}
function isVirtualClick(event) {
  if (event.mozInputSource === 0 && event.isTrusted) {
    return true;
  }
  return event.detail === 0 && !event.pointerType;
}
function isFocusVisible() {
  return currentInteraction !== "pointer";
}
function getInteraction() {
  return currentInteraction;
}
function callHandlers(interaction) {
  for (const handler of handlers) {
    handler(interaction);
  }
}
function useInteractionFocus() {
  useEffect(() => {
    if (hasSetupGlobalListeners) {
      return;
    }
    const onKeyboard = (event) => {
      hasEventBeforeFocus = true;
      if (isValidKey(event)) {
        currentInteraction = "keyboard";
        callHandlers(currentInteraction);
      }
    };
    const onClick = (event) => {
      if (isVirtualClick(event)) {
        hasEventBeforeFocus = true;
        currentInteraction = "virtual";
        callHandlers(currentInteraction);
      }
    };
    const onFocus = (event) => {
      if (event.target === window || event.target === document) {
        return;
      }
      if (!hasEventBeforeFocus && !hasBlurredWindowRecently) {
        currentInteraction = "virtual";
        callHandlers(currentInteraction);
      }
      hasEventBeforeFocus = false;
      hasBlurredWindowRecently = false;
    };
    const onBlur = () => {
      hasEventBeforeFocus = false;
      hasBlurredWindowRecently = true;
    };
    const onPointer = (event) => {
      currentInteraction = "pointer";
      if (event.type === "mousedown" || event.type === "pointerdown") {
        hasEventBeforeFocus = true;
        callHandlers(currentInteraction);
      }
    };
    document.addEventListener("keydown", onKeyboard, true);
    document.addEventListener("keyup", onKeyboard, true);
    document.addEventListener("click", onClick, true);
    window.addEventListener("focus", onFocus, true);
    window.addEventListener("blur", onBlur, false);
    if (typeof PointerEvent !== "undefined") {
      document.addEventListener("pointerdown", onPointer, true);
      document.addEventListener("pointermove", onPointer, true);
      document.addEventListener("pointerup", onPointer, true);
    } else {
      document.addEventListener("mousedown", onPointer, true);
      document.addEventListener("mousemove", onPointer, true);
      document.addEventListener("mouseup", onPointer, true);
    }
    hasSetupGlobalListeners = true;
    return () => {
      document.removeEventListener("keydown", onKeyboard, true);
      document.removeEventListener("keyup", onKeyboard, true);
      document.removeEventListener("click", onClick, true);
      window.removeEventListener("focus", onFocus, true);
      window.removeEventListener("blur", onBlur, false);
      if (typeof PointerEvent !== "undefined") {
        document.removeEventListener("pointerdown", onPointer, true);
        document.removeEventListener("pointermove", onPointer, true);
        document.removeEventListener("pointerup", onPointer, true);
      } else {
        document.removeEventListener("mousedown", onPointer, true);
        document.removeEventListener("mousemove", onPointer, true);
        document.removeEventListener("mouseup", onPointer, true);
      }
      hasSetupGlobalListeners = false;
    };
  }, []);
  return { getInteraction, isFocusVisible };
}
function useFocusVisible() {
  useInteractionFocus();
  const [interaction, setInteraction] = useState(isFocusVisible());
  useEffect(() => {
    const handler = (interaction2) => {
      setInteraction(interaction2 !== "pointer");
    };
    handlers.add(handler);
    return () => {
      handlers.delete(handler);
    };
  }, []);
  return interaction;
}
export {
  useFocusVisible,
  useInteractionFocus
};