message: Post request with empty body, now working fine.
diff: @@ -41,7 +41,7 @@ export const urlJoin = (urlSegments: string[]): string => {
  */
  export const serializeContent = (content: any): any => {
  - const className: string = content.constructor.name;
  + const className: string = content === undefined ? null : content.constructor.name;
  if (className === "Buffer" || className === "Blob" || className === "File" || className === "FormData" || typeof content === "string") {
  return content;
  }
  