@wordpress/compose/build/hooks/use-focus-return/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-return/index.js
var use_focus_return_exports = {};
__export(use_focus_return_exports, {
  default: () => use_focus_return_default
});
module.exports = __toCommonJS(use_focus_return_exports);
var import_element = require("@wordpress/element");
var origin = null;
function useFocusReturn(onFocusReturn) {
  const ref = (0, import_element.useRef)(null);
  const focusedBeforeMount = (0, import_element.useRef)(null);
  const onFocusReturnRef = (0, import_element.useRef)(onFocusReturn);
  (0, import_element.useEffect)(() => {
    onFocusReturnRef.current = onFocusReturn;
  }, [onFocusReturn]);
  return (0, import_element.useCallback)((node) => {
    if (node) {
      ref.current = node;
      if (focusedBeforeMount.current) {
        return;
      }
      const activeDocument = node.ownerDocument.activeElement instanceof window.HTMLIFrameElement ? node.ownerDocument.activeElement.contentDocument : node.ownerDocument;
      focusedBeforeMount.current = activeDocument?.activeElement ?? null;
    } else if (focusedBeforeMount.current) {
      const isFocused = ref.current?.contains(
        ref.current?.ownerDocument.activeElement
      );
      if (ref.current?.isConnected && !isFocused) {
        origin ??= focusedBeforeMount.current;
        return;
      }
      if (onFocusReturnRef.current) {
        onFocusReturnRef.current();
      } else {
        (!focusedBeforeMount.current.isConnected ? origin : focusedBeforeMount.current)?.focus();
      }
      origin = null;
    }
  }, []);
}
var use_focus_return_default = useFocusReturn;
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