text: const base64ArrayBuffer = function (arrayBuffer) {
    var base64 = ''
    var encodings = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
  
    var bytes = new Uint8Array(arrayBuffer)
    var byteLength = bytes.byteLength
    var byteRemainder = byteLength % 3
    var mainLength = byteLength - byteRemainder
  
    var a, b, c, d
    var chunk
  
    // Main loop deals with bytes in chunks of 3
    for (var i = 0; i < mainLength; i = i + 3) {
      // Combine the three bytes into a single integer
      chunk = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2]
  
      // Use bitmasks to extract 6-bit segments from the triplet
      a = (chunk & 16515072) >> 18 // 16515072 = (2^6 - 1) << 18
      b = (chunk & 258048) >> 12 // 258048 = (2^6 - 1) << 12
      c = (chunk & 4032) >> 6 // 4032 = (2^6 - 1) << 6
      d = chunk & 63 // 63 = 2^6 - 1
  
      // Convert the raw binary segments to the appropriate ASCII encoding
      base64 += encodings[a] + encodings[b] + encodings[c] + encodings[d]
    }
  
    // Deal with the remaining bytes and padding
    if (byteRemainder === 1) {
      chunk = bytes[mainLength]
  
      a = (chunk & 252) >> 2 // 252 = (2^6 - 1) << 2
  
      // Set the 4 least significant bits to zero
      b = (chunk & 3) << 4 // 3 = 2^2 - 1
  
      base64 += encodings[a] + encodings[b] + '=='
    } else if (byteRemainder === 2) {
      chunk = (bytes[mainLength] << 8) | bytes[mainLength + 1]
  
      a = (chunk & 64512) >> 10 // 64512 = (2^6 - 1) << 10
      b = (chunk & 1008) >> 4 // 1008 = (2^6 - 1) << 4
  
      // Set the 2 least significant bits to zero
      c = (chunk & 15) << 2 // 15 = 2^4 - 1
  
      base64 += encodings[a] + encodings[b] + encodings[c] + '='
    }
  
    return base64
  }
  
  export default base64ArrayBuffer
  