/**
 * downloadLocalJson(jsonObject, fileName)
 * 根据 jsonObject 下载 json 文件
 * @param jsonObject json对象
 * @param fileName 文件名称
 */
export default (jsonObject, fileName) => {
  const URL = window.URL
  const blob = new window.Blob(
    [JSON.stringify(jsonObject, null, 2)],
    { type: 'application/octet-stream' }
  )
  const url = URL.createObjectURL(blob)
  const a = document.createElement('a')

  a.href = url
  a.download = fileName
  a.click()

  URL.revokeObjectURL(url)
}