metamask-extension/ui/app/pages/asset/components/token-options.js

import React, { useContext, useState } from 'react'
import PropTypes from 'prop-types'

import { I18nContext } from '../../../contexts/i18n'
import { Menu, MenuItem } from '../../../components/ui/menu'

const TokenOptions = ({ onRemove, onViewEtherscan, tokenSymbol }) => {
  const t = useContext(I18nContext)
  const [tokenOptionsButtonElement, setTokenOptionsButtonElement] = useState(null)
  const [tokenOptionsOpen, setTokenOptionsOpen] = useState(false)

  return (
    <>
      <button
        className="fas fa-ellipsis-v token-options__button"
        data-testid="token-options__button"
        onClick={() => setTokenOptionsOpen(true)}
        ref={setTokenOptionsButtonElement}
        title={t('tokenOptions')}
      />
      {
        tokenOptionsOpen
          ? (
            <Menu anchorElement={tokenOptionsButtonElement} onHide={() => setTokenOptionsOpen(false)} >
              <MenuItem
                iconClassName="fas fa-external-link-alt token-options__icon"
                data-testid="token-options__etherscan"
                onClick={() => {
                  setTokenOptionsOpen(false)
                  onViewEtherscan()
                }}
              >
                { t('viewOnEtherscan') }
              </MenuItem>
              <MenuItem
                iconClassName="fas fa-trash-alt token-options__icon"
                data-testid="token-options__hide"
                onClick={() => {
                  setTokenOptionsOpen(false)
                  onRemove()
                }}
              >
                { t('hideTokenSymbol', [tokenSymbol]) }
              </MenuItem>
            </Menu>
          )
          : null
      }
    </>
  )
}

TokenOptions.propTypes = {
  onRemove: PropTypes.func.isRequired,
  onViewEtherscan: PropTypes.func.isRequired,
  tokenSymbol: PropTypes.string.isRequired,
}

export default TokenOptions