Function sendSession

packages/core/src/client.ts:575–603

* Send a session or session aggregrates to Sentry.

(session: Session | SessionAggregates)

   * Send a session or session aggregrates to Sentry.
   */
  public sendSession(session: Session | SessionAggregates): void {
    // Backfill release and environment on session
    const { release: clientReleaseOption, environment: clientEnvironmentOption = DEFAULT_ENVIRONMENT } = this._options;
    if ('aggregates' in session) {
      const sessionAttrs = session.attrs || {};
      if (!sessionAttrs.release && !clientReleaseOption) {
        DEBUG_BUILD && debug.warn(MISSING_RELEASE_FOR_SESSION_ERROR);
        return;
      }
      sessionAttrs.release = sessionAttrs.release || clientReleaseOption;
      sessionAttrs.environment = sessionAttrs.environment || clientEnvironmentOption;
      session.attrs = sessionAttrs;
    } else {
      if (!session.release && !clientReleaseOption) {
        DEBUG_BUILD && debug.warn(MISSING_RELEASE_FOR_SESSION_ERROR);
        return;
      }
      session.release = session.release || clientReleaseOption;
      session.environment = session.environment || clientEnvironmentOption;
    }

    this.emit('beforeSendSession', session);

    const env = createSessionEnvelope(session, this._dsn, this._options._metadata, this._options.tunnel);

    // sendEnvelope should not throw
    // eslint-disable-next-line @typescript-eslint/no-floating-promises
    this.sendEnvelope(env);
  }

  /**
   * Record on the client that an event got dropped (ie, an event that will not be sent to Sentry).