file.ts

export function readFileAsText(file: Blob) {
  return new Promise((resolve, reject) => {
    const reader = new FileReader()
    reader.onload = () => resolve(reader.result)
    reader.onerror = () => reject(new Error('Failed to read file'))
    reader.readAsText(file)
  })
}

export function downloadFile(content: Blob, filename: string) {
  const url = URL.createObjectURL(content)
  const a = document.createElement('a')
  a.href = url
  a.download = filename
  a.click()
  URL.revokeObjectURL(url)
}