@base-ui/react/utils/popups/store.mjs

Base UI is a library of headless ('unstyled') React components and low-level hooks. You gain complete control over your app's CSS and accessibility features.

import { EMPTY_OBJECT } from '@base-ui/utils/empty';
import { FloatingRootStore } from "../../floating-ui-react/components/FloatingRootStore.mjs";
import { getEmptyRootContext } from "../../floating-ui-react/utils/getEmptyRootContext.mjs";

/**
 * State common to all popup stores.
 */

export function createInitialPopupStoreState() {
  return {
    open: false,
    openProp: undefined,
    mounted: false,
    transitionStatus: undefined,
    floatingRootContext: getEmptyRootContext(),
    floatingId: undefined,
    triggerCount: 0,
    preventUnmountingOnClose: false,
    payload: undefined,
    activeTriggerId: null,
    activeTriggerElement: null,
    triggerIdProp: undefined,
    popupElement: null,
    positionerElement: null,
    activeTriggerProps: EMPTY_OBJECT,
    inactiveTriggerProps: EMPTY_OBJECT,
    popupProps: EMPTY_OBJECT
  };
}
export function createPopupFloatingRootContext(triggerElements, floatingId, nested = false) {
  return new FloatingRootStore({
    open: false,
    transitionStatus: undefined,
    floatingElement: null,
    referenceElement: null,
    triggerElements,
    floatingId,
    syncOnly: true,
    nested,
    onOpenChange: undefined
  });
}
const activeTriggerIdSelector = state => state.triggerIdProp ?? state.activeTriggerId;
const openSelector = state => state.openProp ?? state.open;
const popupIdSelector = state => {
  const popupId = state.popupElement?.id ?? state.floatingId;
  return popupId || undefined;
};
function triggerOwnsOpenPopup(state, triggerId) {
  return triggerId !== undefined && openSelector(state) && activeTriggerIdSelector(state) === triggerId;
}
function triggerOwnsOpenPopupOrIsOnlyTrigger(state, triggerId) {
  if (triggerOwnsOpenPopup(state, triggerId)) {
    return true;
  }
  return triggerId !== undefined && openSelector(state) && activeTriggerIdSelector(state) == null && state.triggerCount === 1;
}
export const popupStoreSelectors = {
  open: openSelector,
  mounted: state => state.mounted,
  transitionStatus: state => state.transitionStatus,
  floatingRootContext: state => state.floatingRootContext,
  triggerCount: state => state.triggerCount,
  preventUnmountingOnClose: state => state.preventUnmountingOnClose,
  payload: state => state.payload,
  activeTriggerId: activeTriggerIdSelector,
  activeTriggerElement: state => state.mounted ? state.activeTriggerElement : null,
  popupId: popupIdSelector,
  /**
   * Whether the trigger with the given ID was used to open the popup.
   */
  isTriggerActive: (state, triggerId) => triggerId !== undefined && activeTriggerIdSelector(state) === triggerId,
  /**
   * Whether the popup is open and was activated by a trigger with the given ID.
   */
  isOpenedByTrigger: (state, triggerId) => triggerOwnsOpenPopup(state, triggerId),
  /**
   * Whether the popup is mounted and was activated by a trigger with the given ID.
   */
  isMountedByTrigger: (state, triggerId) => triggerId !== undefined && activeTriggerIdSelector(state) === triggerId && state.mounted,
  triggerProps: (state, isActive) => isActive ? state.activeTriggerProps : state.inactiveTriggerProps,
  /**
   * Popup id for the trigger that currently owns the open popup.
   */
  triggerPopupId: (state, triggerId) => triggerOwnsOpenPopupOrIsOnlyTrigger(state, triggerId) ? popupIdSelector(state) : undefined,
  popupProps: state => state.popupProps,
  popupElement: state => state.popupElement,
  positionerElement: state => state.positionerElement
};

/**
 * Store members a detached handle-backed trigger reads or invokes for trigger registration and data
 * forwarding. `set`/`update` are included only for trigger-count and trigger-data bookkeeping; on a
 * detached (inert) store they are intentionally no-ops, so a write through them is not guaranteed to
 * be durable. Component handle-store views Pick these from their concrete store (preserving its
 * context and selectors) and add any component-specific trigger-invoked members such as `setOpen`.
 */

/**
 * The subset of a popup store that trigger registration and data forwarding rely on. Narrow enough
 * that an inert store can be passed while detached.
 */