semantic-ui-react/src/collections/Menu/MenuItem.js

The official Semantic-UI-React integration.

import cx from 'clsx'
import _ from 'lodash'
import PropTypes from 'prop-types'
import React, { Component } from 'react'

import {
  childrenUtils,
  createShorthandFactory,
  customPropTypes,
  getElementType,
  getUnhandledProps,
  SUI,
  useKeyOnly,
  useKeyOrValueAndKey,
} from '../../lib'
import Icon from '../../elements/Icon'

/**
 * A menu can contain an item.
 */
export default class MenuItem extends Component {
  handleClick = (e) => {
    const { disabled } = this.props

    if (!disabled) _.invoke(this.props, 'onClick', e, this.props)
  }

  render() {
    const {
      active,
      children,
      className,
      color,
      content,
      disabled,
      fitted,
      header,
      icon,
      link,
      name,
      onClick,
      position,
    } = this.props

    const classes = cx(
      color,
      position,
      useKeyOnly(active, 'active'),
      useKeyOnly(disabled, 'disabled'),
      useKeyOnly(icon === true || (icon && !(name || content)), 'icon'),
      useKeyOnly(header, 'header'),
      useKeyOnly(link, 'link'),
      useKeyOrValueAndKey(fitted, 'fitted'),
      'item',
      className,
    )
    const ElementType = getElementType(MenuItem, this.props, () => {
      if (onClick) return 'a'
    })
    const rest = getUnhandledProps(MenuItem, this.props)

    if (!childrenUtils.isNil(children)) {
      return (
        <ElementType {...rest} className={classes} onClick={this.handleClick}>
          {children}
        </ElementType>
      )
    }

    return (
      <ElementType {...rest} className={classes} onClick={this.handleClick}>
        {Icon.create(icon, { autoGenerateKey: false })}
        {childrenUtils.isNil(content) ? _.startCase(name) : content}
      </ElementType>
    )
  }
}

MenuItem.propTypes = {
  /** An element type to render as (string or function). */
  as: PropTypes.elementType,

  /** A menu item can be active. */
  active: PropTypes.bool,

  /** Primary content. */
  children: PropTypes.node,

  /** Additional classes. */
  className: PropTypes.string,

  /** Additional colors can be specified. */
  color: PropTypes.oneOf(SUI.COLORS),

  /** Shorthand for primary content. */
  content: customPropTypes.contentShorthand,

  /** A menu item can be disabled. */
  disabled: PropTypes.bool,

  /** A menu item or menu can remove element padding, vertically or horizontally. */
  fitted: PropTypes.oneOfType([PropTypes.bool, PropTypes.oneOf(['horizontally', 'vertically'])]),

  /** A menu item may include a header or may itself be a header. */
  header: PropTypes.bool,

  /** MenuItem can be only icon. */
  icon: PropTypes.oneOfType([PropTypes.bool, customPropTypes.itemShorthand]),

  /** MenuItem index inside Menu. */
  index: PropTypes.number,

  /** A menu item can be link. */
  link: PropTypes.bool,

  /** Internal name of the MenuItem. */
  name: PropTypes.string,

  /**
   * Called on click. When passed, the component will render as an `a`
   * tag by default instead of a `div`.
   *
   * @param {SyntheticEvent} event - React's original SyntheticEvent.
   * @param {object} data - All props.
   */
  onClick: PropTypes.func,

  /** A menu item can take left or right position. */
  position: PropTypes.oneOf(['left', 'right']),
}

MenuItem.create = createShorthandFactory(MenuItem, (val) => ({ content: val, name: val }))