@react-md/menu/lib/useMenu.d.ts

Create menus that auto-position themselves within the viewport and adhere to the accessibility guidelines

import { HTMLAttributes, MutableRefObject, Ref } from "react";
export interface MenuOptions {
    /**
     * An optional ref to be merged into the menu's required ref handler.
     */
    ref?: Ref<HTMLDivElement | null>;
    /**
     * Boolean if the menu is currently visible.
     */
    visible: boolean;
    /**
     * The id of the element that controls the menu's visibility. This is required
     * so that the menu won't be closed when the control element is clicked since
     * it'll have it's own toggle functionality built-in already.
     */
    controlId: string;
    /**
     * Boolean if the menu is oriented horizontally instead of vertically.  This
     * will update the keydown handlers to use the `ArrowLeft` and `ArrowRight`
     * keys instead of `ArrowUp` and `ArrrowDown` to navigate.
     */
    horizontal?: boolean;
    /**
     * An optional click handler to call when the `Menu` (or any child item) is
     * clicked. This will be merged with the default implementation to close the
     * menu once clicked.
     */
    onClick?: React.MouseEventHandler<HTMLDivElement>;
    /**
     * An optional keydown handler to call when the `Menu` (or any child item)
     * triggers a keydown event. This will be merged witht he default logic of
     * allowing items to be focused with the arrow keys or closing when the escape
     * or tab key is pressed.
     */
    onKeyDown?: React.KeyboardEventHandler<HTMLDivElement>;
    /**
     * The default focusable element within the menu.
     */
    defaultFocus: "first" | "last" | string;
    /**
     * The function that should close the menu.
     */
    onRequestClose: () => void;
    /**
     * Boolean if the close on outside click logic should consider the control
     * element within the menu and not call the `onRequestClose` function when it
     * is been clicked. This should be enabled when creating a context menu but
     * normally should remain `false` otherwise since the control element has it's
     * own toggle logic that conflicts with this close click.
     */
    disableControlClickOkay?: boolean;
    /**
     * Boolean if the menu has been portalled so that the tab keypress behavior
     * can be fixed since tab order is destroyed when portalling.
     */
    portalled?: boolean;
}
interface ReturnValue extends Pick<HTMLAttributes<HTMLDivElement>, "onClick" | "onKeyDown"> {
    ref: (instance: HTMLDivElement | null) => void;
    menuRef: MutableRefObject<HTMLDivElement | null>;
}
/**
 * This hook is used to provide all the menu functionality within the `Menu`
 * component.  It'll ensure that:
 *
 * - the menu will be closed if an element outside of the menu is clicked
 * - the menu items within the menu are keyboard focusable after typing or using
 *   the arrow keys
 * - the menu will close if the Escape key or Tab key is pressed (tab since
 *   it'll lose focus)
 * - conditionally close the menu if the page is scrolled while visible.
 */
export declare function useMenu({ ref: propRef, visible, controlId, horizontal, onClick: propOnClick, onKeyDown: propOnKeyDown, portalled, defaultFocus, onRequestClose, disableControlClickOkay, }: MenuOptions): ReturnValue;
export {};