Function readUIntBE

lib/internal/buffer.js:263–280

(offset, byteLength)

}

function readUIntBE(offset, byteLength) {
  if (offset === undefined)
    throw new ERR_INVALID_ARG_TYPE('offset', 'number', offset);
  if (byteLength === 6)
    return readUInt48BE(this, offset);
  if (byteLength === 5)
    return readUInt40BE(this, offset);
  if (byteLength === 3)
    return readUInt24BE(this, offset);
  if (byteLength === 4)
    return readUInt32BE(this, offset);
  if (byteLength === 2)
    return readUInt16BE(this, offset);
  if (byteLength === 1)
    return readUInt8(this, offset);

  boundsError(byteLength, 6, 'byteLength');
}

function readUInt48BE(buf, offset = 0) {
  validateNumber(offset, 'offset');