Function handleColorChange

examples/react/todo/src/components/TodoApp.tsx:96–99

(e: React.ChangeEvent<HTMLInputElement>)

  const titleColor = getComplementaryColor(backgroundColor)

  const handleColorChange = (e: React.ChangeEvent<HTMLInputElement>) => {
    const newColor = e.target.value
    setConfigValue(`backgroundColor`, newColor)
  }

  const handleSubmit = (e: FormEvent) => {
    e.preventDefault()