@base-ui/react/combobox/root/ComboboxRoot.d.ts

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 * as React from 'react';
import { AriaCombobox } from "./AriaCombobox.js";
/**
 * Groups all parts of the combobox.
 * Doesn't render its own HTML element.
 *
 * Documentation: [Base UI Combobox](https://base-ui.com/react/components/combobox)
 */
export declare function ComboboxRoot<Value, Multiple extends boolean | undefined = false>(props: ComboboxRoot.Props<Value, Multiple>): React.JSX.Element;
type ModeFromMultiple<Multiple extends boolean | undefined> = Multiple extends true ? 'multiple' : 'single';
type ComboboxValueType<Value, Multiple extends boolean | undefined> = Multiple extends true ? Value[] : Value;
export type ComboboxRootProps<Value, Multiple extends boolean | undefined = false> = Omit<AriaCombobox.Props<Value, ModeFromMultiple<Multiple>>, 'fillInputOnItemPress' | 'autoComplete' | 'formAutoComplete' | 'submitOnItemClick' | 'autoHighlight' | 'keepHighlight' | 'highlightItemOnHover' | 'itemToStringLabel' | 'itemToStringValue' | 'isItemEqualToValue' | 'selectionMode' | 'defaultSelectedValue' | 'selectedValue' | 'onSelectedValueChange' | 'actionsRef' | 'onOpenChange' | 'onInputValueChange' | 'onItemHighlighted'> & {
  /**
   * Whether multiple items can be selected.
   * @default false
   */
  multiple?: Multiple | undefined;
  /**
   * Provides a hint to the browser for autofill.
   * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Attributes/autocomplete
   */
  autoComplete?: string | undefined;
  /**
   * Whether the first matching item is highlighted automatically while filtering.
   * @default false
   */
  autoHighlight?: boolean | undefined;
  /**
   * Whether moving the pointer over items should highlight them.
   * Disabling this prop allows CSS `:hover` to be differentiated from the `:focus` (`data-highlighted`) state.
   * @default true
   */
  highlightItemOnHover?: boolean | undefined;
  /**
   * When the item values are objects (`<Combobox.Item value={object}>`), this function converts the object value to a string representation for display in the input.
   * If the shape of the object is `{ value, label }`, the label will be used automatically without needing to specify this prop.
   */
  itemToStringLabel?: ((itemValue: Value) => string) | undefined;
  /**
   * When the item values are objects (`<Combobox.Item value={object}>`), this function converts the object value to a string representation for form submission.
   * If the shape of the object is `{ value, label }`, the value will be used automatically without needing to specify this prop.
   */
  itemToStringValue?: ((itemValue: Value) => string) | undefined;
  /**
   * Custom comparison logic used to determine if a combobox item value matches the current selected value. Useful when item values are objects without matching referentially.
   * Defaults to `Object.is` comparison.
   */
  isItemEqualToValue?: ((itemValue: Value, value: Value) => boolean) | undefined;
  /**
   * The uncontrolled selected value of the combobox when it's initially rendered.
   *
   * To render a controlled combobox, use the `value` prop instead.
   */
  defaultValue?: (ComboboxValueType<Value, Multiple> | null) | undefined;
  /**
   * A ref to imperative actions.
   * - `unmount`: When specified, the combobox will not be unmounted when closed.
   * Instead, the `unmount` function must be called to unmount the combobox manually.
   * Useful when the combobox's animation is controlled by an external library.
   */
  actionsRef?: React.RefObject<ComboboxRoot.Actions | null> | undefined;
  /**
   * Event handler called when the popup is opened or closed.
   */
  onOpenChange?: ((open: boolean, eventDetails: ComboboxRoot.ChangeEventDetails) => void) | undefined;
  /**
   * Event handler called when the input value changes.
   */
  onInputValueChange?: ((inputValue: string, eventDetails: ComboboxRoot.ChangeEventDetails) => void) | undefined;
  /**
   * Callback fired when an item is highlighted or unhighlighted.
   * Receives the highlighted item value (or `undefined` if no item is highlighted) and event details with a `reason` property describing why the highlight changed.
   * The `reason` can be:
   * - `'keyboard'`: the highlight changed due to keyboard navigation.
   * - `'pointer'`: the highlight changed due to pointer hovering.
   * - `'none'`: the highlight changed programmatically.
   */
  onItemHighlighted?: ((highlightedValue: Value | undefined, eventDetails: ComboboxRoot.HighlightEventDetails) => void) | undefined;
  /**
   * The selected value of the combobox. Use when controlled.
   */
  value?: (ComboboxValueType<Value, Multiple> | null) | undefined;
  /**
   * Event handler called when the selected value of the combobox changes.
   */
  onValueChange?: ((value: ComboboxValueType<Value, Multiple> | (Multiple extends true ? never : null), eventDetails: ComboboxRoot.ChangeEventDetails) => void) | undefined;
};
export type ComboboxRootState = AriaCombobox.State;
export type ComboboxRootActions = AriaCombobox.Actions;
export type ComboboxRootChangeEventReason = AriaCombobox.ChangeEventReason;
export type ComboboxRootChangeEventDetails = AriaCombobox.ChangeEventDetails;
export type ComboboxRootHighlightEventReason = AriaCombobox.HighlightEventReason;
export type ComboboxRootHighlightEventDetails = AriaCombobox.HighlightEventDetails;
export declare namespace ComboboxRoot {
  type Props<Value, Multiple extends boolean | undefined = false> = ComboboxRootProps<Value, Multiple>;
  type State = ComboboxRootState;
  type Actions = ComboboxRootActions;
  type ChangeEventReason = ComboboxRootChangeEventReason;
  type ChangeEventDetails = ComboboxRootChangeEventDetails;
  type HighlightEventReason = ComboboxRootHighlightEventReason;
  type HighlightEventDetails = ComboboxRootHighlightEventDetails;
}
export {};