react-bootstrap/esm/Dropdown.js

import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import classNames from 'classnames';
import React, { useContext } from 'react';
import BaseDropdown from 'react-overlays/Dropdown';
import { useUncontrolled } from 'uncontrollable';
import useEventCallback from '@restart/hooks/useEventCallback';
import DropdownItem from './DropdownItem';
import DropdownMenu from './DropdownMenu';
import DropdownToggle from './DropdownToggle';
import SelectableContext from './SelectableContext';
import { useBootstrapPrefix } from './ThemeProvider';
import createWithBsPrefix from './createWithBsPrefix';
var DropdownHeader = createWithBsPrefix('dropdown-header', {
  defaultProps: {
    role: 'heading'
  }
});
var DropdownDivider = createWithBsPrefix('dropdown-divider', {
  defaultProps: {
    role: 'separator'
  }
});
var DropdownItemText = createWithBsPrefix('dropdown-item-text', {
  Component: 'span'
});
var defaultProps = {
  navbar: false
};
var Dropdown = /*#__PURE__*/React.forwardRef(function (pProps, ref) {
  var _useUncontrolled = useUncontrolled(pProps, {
    show: 'onToggle'
  }),
      bsPrefix = _useUncontrolled.bsPrefix,
      drop = _useUncontrolled.drop,
      show = _useUncontrolled.show,
      className = _useUncontrolled.className,
      alignRight = _useUncontrolled.alignRight,
      onSelect = _useUncontrolled.onSelect,
      onToggle = _useUncontrolled.onToggle,
      focusFirstItemOnShow = _useUncontrolled.focusFirstItemOnShow,
      _useUncontrolled$as = _useUncontrolled.as,
      Component = _useUncontrolled$as === void 0 ? 'div' : _useUncontrolled$as,
      _4 = _useUncontrolled.navbar,
      props = _objectWithoutPropertiesLoose(_useUncontrolled, ["bsPrefix", "drop", "show", "className", "alignRight", "onSelect", "onToggle", "focusFirstItemOnShow", "as", "navbar"]);

  var onSelectCtx = useContext(SelectableContext);
  var prefix = useBootstrapPrefix(bsPrefix, 'dropdown');
  var handleToggle = useEventCallback(function (nextShow, event, source) {
    if (source === void 0) {
      source = event.type;
    }

    if (event.currentTarget === document && (source !== 'keydown' || event.key === 'Escape')) source = 'rootClose';

    if (onToggle) {
      onToggle(nextShow, event, {
        source: source
      });
    }
  });
  var handleSelect = useEventCallback(function (key, event) {
    if (onSelectCtx) onSelectCtx(key, event);
    if (onSelect) onSelect(key, event);
    handleToggle(false, event, 'select');
  });
  return /*#__PURE__*/React.createElement(SelectableContext.Provider, {
    value: handleSelect
  }, /*#__PURE__*/React.createElement(BaseDropdown, {
    drop: drop,
    show: show,
    alignEnd: alignRight,
    onToggle: handleToggle,
    focusFirstItemOnShow: focusFirstItemOnShow,
    itemSelector: "." + prefix + "-item:not(.disabled):not(:disabled)"
  }, /*#__PURE__*/React.createElement(Component, _extends({}, props, {
    ref: ref,
    className: classNames(className, show && 'show', (!drop || drop === 'down') && prefix, drop === 'up' && 'dropup', drop === 'right' && 'dropright', drop === 'left' && 'dropleft')
  }))));
});
Dropdown.displayName = 'Dropdown';
Dropdown.defaultProps = defaultProps;
Dropdown.Divider = DropdownDivider;
Dropdown.Header = DropdownHeader;
Dropdown.Item = DropdownItem;
Dropdown.ItemText = DropdownItemText;
Dropdown.Menu = DropdownMenu;
Dropdown.Toggle = DropdownToggle;
export default Dropdown;