formipay/node_modules/@wordpress/components/build-module/dropdown/index.js

import { createElement } from "react";
/**
 * External dependencies
 */
import classnames from 'classnames';
/**
 * WordPress dependencies
 */
import { useRef, useState } from '@wordpress/element';
import { useMergeRefs } from '@wordpress/compose';
import deprecated from '@wordpress/deprecated';

/**
 * Internal dependencies
 */
import { contextConnect, useContextSystem } from '../context';
import { useControlledValue } from '../utils/hooks';
import Popover from '../popover';
const UnconnectedDropdown = (props, forwardedRef) => {
  const {
    renderContent,
    renderToggle,
    className,
    contentClassName,
    expandOnMobile,
    headerTitle,
    focusOnMount,
    popoverProps,
    onClose,
    onToggle,
    style,
    open,
    defaultOpen,
    // Deprecated props
    position,
    // From context system
    variant
  } = useContextSystem(props, 'Dropdown');
  if (position !== undefined) {
    deprecated('`position` prop in wp.components.Dropdown', {
      since: '6.2',
      alternative: '`popoverProps.placement` prop',
      hint: 'Note that the `position` prop will override any values passed through the `popoverProps.placement` prop.'
    });
  }

  // Use internal state instead of a ref to make sure that the component
  // re-renders when the popover's anchor updates.
  const [fallbackPopoverAnchor, setFallbackPopoverAnchor] = useState(null);
  const containerRef = useRef();
  const [isOpen, setIsOpen] = useControlledValue({
    defaultValue: defaultOpen,
    value: open,
    onChange: onToggle
  });

  /**
   * Closes the popover when focus leaves it unless the toggle was pressed or
   * focus has moved to a separate dialog. The former is to let the toggle
   * handle closing the popover and the latter is to preserve presence in
   * case a dialog has opened, allowing focus to return when it's dismissed.
   */
  function closeIfFocusOutside() {
    if (!containerRef.current) {
      return;
    }
    const {
      ownerDocument
    } = containerRef.current;
    const dialog = ownerDocument?.activeElement?.closest('[role="dialog"]');
    if (!containerRef.current.contains(ownerDocument.activeElement) && (!dialog || dialog.contains(containerRef.current))) {
      close();
    }
  }
  function close() {
    onClose?.();
    setIsOpen(false);
  }
  const args = {
    isOpen: !!isOpen,
    onToggle: () => setIsOpen(!isOpen),
    onClose: close
  };
  const popoverPropsHaveAnchor = !!popoverProps?.anchor ||
  // Note: `anchorRef`, `getAnchorRect` and `anchorRect` are deprecated and
  // be removed from `Popover` from WordPress 6.3
  !!popoverProps?.anchorRef || !!popoverProps?.getAnchorRect || !!popoverProps?.anchorRect;
  return createElement("div", {
    className: className,
    ref: useMergeRefs([containerRef, forwardedRef, setFallbackPopoverAnchor])
    // Some UAs focus the closest focusable parent when the toggle is
    // clicked. Making this div focusable ensures such UAs will focus
    // it and `closeIfFocusOutside` can tell if the toggle was clicked.
    ,
    tabIndex: -1,
    style: style
  }, renderToggle(args), isOpen && createElement(Popover, {
    position: position,
    onClose: close,
    onFocusOutside: closeIfFocusOutside,
    expandOnMobile: expandOnMobile,
    headerTitle: headerTitle,
    focusOnMount: focusOnMount
    // This value is used to ensure that the dropdowns
    // align with the editor header by default.
    ,
    offset: 13,
    anchor: !popoverPropsHaveAnchor ? fallbackPopoverAnchor : undefined,
    variant: variant,
    ...popoverProps,
    className: classnames('components-dropdown__content', popoverProps?.className, contentClassName)
  }, renderContent(args)));
};

/**
 * Renders a button that opens a floating content modal when clicked.
 *
 * ```jsx
 * import { Button, Dropdown } from '@wordpress/components';
 *
 * const MyDropdown = () => (
 *   <Dropdown
 *     className="my-container-class-name"
 *     contentClassName="my-dropdown-content-classname"
 *     popoverProps={ { placement: 'bottom-start' } }
 *     renderToggle={ ( { isOpen, onToggle } ) => (
 *       <Button
 *         variant="primary"
 *         onClick={ onToggle }
 *         aria-expanded={ isOpen }
 *       >
 *         Toggle Dropdown!
 *       </Button>
 *     ) }
 *     renderContent={ () => <div>This is the content of the dropdown.</div> }
 *   />
 * );
 * ```
 */
export const Dropdown = contextConnect(UnconnectedDropdown, 'Dropdown');
export default Dropdown;
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