convertToBlob = (input) => {
  const { data, mimeType } = input
  const blob = new Blob(data, { type: mimeType })
  return blob
}
Convert the given input into a BLOB of data for export.
@param {Object} input - input object to convert
@param {Array} input.data - array of data to be inserted into the blob, either String or ArrayBuffer
@param {String} input.mimeType - mime type of the data to be inserted
@return {Blob} a new Blob
@alias module:io/utils.convertToBlob
@example
const blob1 = convertToBlob({ data: ['test'], mimeType: 'text/plain' })
const blob2 = convertToBlob({ data: [Int32Array.from('12345').buffer], mimeType: 'application/mine' })