lib/performRequest.js
function getBodyAsBuffer(body, encoding) {
  return body instanceof Buffer
    ? body
    : Buffer.from(`${body || ''}`, normalizeBodyEncoding(encoding));
}
function getBodyAsBuffer(body, encoding) {
  return body instanceof Buffer
    ? body
    : Buffer.from(`${body || ''}`, normalizeBodyEncoding(encoding));
}
function getBodyAsBuffer ( body , encoding ) { return body instanceof Buffer ? body : Buffer . from ( ` ${ body || '' } ` , normalizeBodyEncoding ( encoding ) ) ; }
Coerces the HTTP request body to a Buffer

@param {string|Buffer} body
@param {*} encoding
Coerces the HTTP request body to a Buffer