@wordpress/block-library/build-module/navigation/use-navigation-menu.js

Block library for the WordPress editor.

import {
  store as coreStore,
  useResourcePermissions,
  useEntityRecords
} from "@wordpress/core-data";
import { useSelect } from "@wordpress/data";
import { PRELOADED_NAVIGATION_MENUS_QUERY } from "./constants";
function useNavigationMenu(ref) {
  const permissions = useResourcePermissions({
    kind: "postType",
    name: "wp_navigation",
    id: ref
  });
  const {
    navigationMenu,
    isNavigationMenuResolved,
    isNavigationMenuMissing
  } = useSelect(
    (select) => {
      return selectExistingMenu(select, ref);
    },
    [ref]
  );
  const {
    // Can the user create navigation menus?
    canCreate: canCreateNavigationMenus,
    // Can the user update the specific navigation menu with the given post ID?
    canUpdate: canUpdateNavigationMenu,
    // Can the user delete the specific navigation menu with the given post ID?
    canDelete: canDeleteNavigationMenu,
    isResolving: isResolvingPermissions,
    hasResolved: hasResolvedPermissions
  } = permissions;
  const {
    records: navigationMenus,
    isResolving: isResolvingNavigationMenus,
    hasResolved: hasResolvedNavigationMenus
  } = useEntityRecords(
    "postType",
    `wp_navigation`,
    PRELOADED_NAVIGATION_MENUS_QUERY
  );
  const canSwitchNavigationMenu = ref ? navigationMenus?.length > 1 : navigationMenus?.length > 0;
  return {
    navigationMenu,
    isNavigationMenuResolved,
    isNavigationMenuMissing,
    navigationMenus,
    isResolvingNavigationMenus,
    hasResolvedNavigationMenus,
    canSwitchNavigationMenu,
    canUserCreateNavigationMenus: canCreateNavigationMenus,
    isResolvingCanUserCreateNavigationMenus: isResolvingPermissions,
    hasResolvedCanUserCreateNavigationMenus: hasResolvedPermissions,
    canUserUpdateNavigationMenu: canUpdateNavigationMenu,
    hasResolvedCanUserUpdateNavigationMenu: ref ? hasResolvedPermissions : void 0,
    canUserDeleteNavigationMenu: canDeleteNavigationMenu,
    hasResolvedCanUserDeleteNavigationMenu: ref ? hasResolvedPermissions : void 0
  };
}
function selectExistingMenu(select, ref) {
  if (!ref) {
    return {
      isNavigationMenuResolved: false,
      isNavigationMenuMissing: true
    };
  }
  const { getEntityRecord, getEditedEntityRecord, hasFinishedResolution } = select(coreStore);
  const args = ["postType", "wp_navigation", ref];
  const navigationMenu = getEntityRecord(...args);
  const editedNavigationMenu = getEditedEntityRecord(...args);
  const hasResolvedNavigationMenu = hasFinishedResolution(
    "getEditedEntityRecord",
    args
  );
  const isNavigationMenuPublishedOrDraft = editedNavigationMenu.status === "publish" || editedNavigationMenu.status === "draft";
  return {
    isNavigationMenuResolved: hasResolvedNavigationMenu,
    isNavigationMenuMissing: hasResolvedNavigationMenu && (!navigationMenu || !isNavigationMenuPublishedOrDraft),
    // getEditedEntityRecord will return the post regardless of status.
    // Therefore if the found post is not published then we should ignore it.
    navigationMenu: isNavigationMenuPublishedOrDraft ? editedNavigationMenu : null
  };
}
export {
  useNavigationMenu as default
};
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