Method appendMetadata

src/mongo_client.ts:495–505

* Append metadata to the client metadata after instantiation. * @param driverInfo - Information about the application or library.

(driverInfo: DriverInfo)

   * @param driverInfo - Information about the application or library.
   */
  appendMetadata(driverInfo: DriverInfo) {
    const isDuplicateDriverInfo = this.driverInfoList.some(info =>
      isDriverInfoEqual(info, driverInfo)
    );
    if (isDuplicateDriverInfo) return;

    this.driverInfoList.push(driverInfo);
    this.options.metadata = makeClientMetadata(this.driverInfoList, this.options)
      .then(undefined, squashError)
      .then(result => result ?? ({} as ClientMetadata)); // ensure Promise<Document>
  }

  /** @internal */
  private checkForNonGenuineHosts() {