@wordpress/compose/build/hooks/use-focus-outside/index.js

WordPress higher-order components (HOCs).

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// packages/compose/src/hooks/use-focus-outside/index.ts
var use_focus_outside_exports = {};
__export(use_focus_outside_exports, {
  default: () => useFocusOutside
});
module.exports = __toCommonJS(use_focus_outside_exports);
var import_element = require("@wordpress/element");
var INPUT_BUTTON_TYPES = ["button", "submit"];
function isFocusNormalizedButton(eventTarget) {
  if (!(eventTarget instanceof window.HTMLElement)) {
    return false;
  }
  switch (eventTarget.nodeName) {
    case "A":
    case "BUTTON":
      return true;
    case "INPUT":
      return INPUT_BUTTON_TYPES.includes(
        eventTarget.type
      );
  }
  return false;
}
function useFocusOutside(onFocusOutside) {
  const currentOnFocusOutsideRef = (0, import_element.useRef)(onFocusOutside);
  (0, import_element.useEffect)(() => {
    currentOnFocusOutsideRef.current = onFocusOutside;
  }, [onFocusOutside]);
  const preventBlurCheckRef = (0, import_element.useRef)(false);
  const blurCheckTimeoutIdRef = (0, import_element.useRef)();
  const cancelBlurCheck = (0, import_element.useCallback)(() => {
    clearTimeout(blurCheckTimeoutIdRef.current);
  }, []);
  (0, import_element.useEffect)(() => {
    if (!onFocusOutside) {
      cancelBlurCheck();
    }
  }, [onFocusOutside, cancelBlurCheck]);
  const normalizeButtonFocus = (0, import_element.useCallback)((event) => {
    const { type, target } = event;
    const isInteractionEnd = ["mouseup", "touchend"].includes(type);
    if (isInteractionEnd) {
      preventBlurCheckRef.current = false;
    } else if (isFocusNormalizedButton(target)) {
      preventBlurCheckRef.current = true;
    }
  }, []);
  const queueBlurCheck = (0, import_element.useCallback)((event) => {
    event.persist();
    if (preventBlurCheckRef.current) {
      return;
    }
    const ignoreForRelatedTarget = event.target.getAttribute(
      "data-unstable-ignore-focus-outside-for-relatedtarget"
    );
    if (ignoreForRelatedTarget && event.relatedTarget?.closest(ignoreForRelatedTarget)) {
      return;
    }
    blurCheckTimeoutIdRef.current = setTimeout(() => {
      if (!document.hasFocus()) {
        event.preventDefault();
        return;
      }
      if ("function" === typeof currentOnFocusOutsideRef.current) {
        currentOnFocusOutsideRef.current(event);
      }
    }, 0);
  }, []);
  return {
    onFocus: cancelBlurCheck,
    onMouseDown: normalizeButtonFocus,
    onMouseUp: normalizeButtonFocus,
    onTouchStart: normalizeButtonFocus,
    onTouchEnd: normalizeButtonFocus,
    onBlur: queueBlurCheck
  };
}
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