metamask-extension/ui/app/hooks/useCopyToClipboard.js

import { useState, useCallback } from 'react'
import copyToClipboard from 'copy-to-clipboard'
import { useTimeout } from './useTimeout'

/**
 * useCopyToClipboard
 *
 * @param {number}  [delay=3000]   - delay in ms
 *
 * @return {[boolean, Function]}
 */
const DEFAULT_DELAY = 3000

export function useCopyToClipboard (delay = DEFAULT_DELAY) {
  const [copied, setCopied] = useState(false)
  const startTimeout = useTimeout(() => setCopied(false), delay, false)

  const handleCopy = useCallback(
    (text) => {
      setCopied(true)
      startTimeout()
      copyToClipboard(text)
    },
    [startTimeout],
  )

  return [copied, handleCopy]
}