Convert data to file and download in browser

download-file.js

//data: file data
// fileName: file's name to download
// typeFile: type file download. eg: text/html
function downloadFile(data, fileName, typeFile) {
  const aEl = document.createElement('a')
  const file = new Blob([data], { type: typeFile})

  aEl.href = URL.createObjectURL(file)
  aEl.download = fileName
  aEl.click()
}