browser programmatic text copy

copy.js

export default function copy(text) {
  const textArea = document.createElement(`textarea`)
  textArea.value = text
  textArea.style.width = `2em`
  textArea.style.height = `2em`
  textArea.style.background = `transparent`
  document.body.appendChild(textArea)
  textArea.select()
  const success = document.execCommand(`copy`)
  document.body.removeChild(textArea)

  if (success) {
    const div = document.createElement(`div`)
    div.textContent = `Copied!`
    div.style.position = `fixed`
    div.style.top = `2em`
    div.style.width = `100vw`
    div.style.color = `blue`
    div.style.backgroundColor = `white`
    div.style.textAlign = `center`
    div.style.fontSize = `3em`
    div.style.zIndex = 3
    document.body.appendChild(div)
    setTimeout(() => document.body.removeChild(div), 888)
  } else {
    alert(`Failed to copy :(`)
  }
}