private async makeRequest()

in src/core.ts [472:531]
47 lines of code
12 McCabe index (conditional complexity)

  private async makeRequest<Req>(
    optionsInput: PromiseOrValue<FinalRequestOptions<Req>>,
    retriesRemaining: number | null,
  ): Promise<APIResponseProps> {
    const options = await optionsInput;
    const maxRetries = options.maxRetries ?? this.maxRetries;
    if (retriesRemaining == null) {
      retriesRemaining = maxRetries;
    }

    await this.prepareOptions(options);

    const { req, url, timeout } = this.buildRequest(options, { retryCount: maxRetries - retriesRemaining });

    await this.prepareRequest(req, { url, options });

    debug('request', url, options, req.headers);

    if (options.signal?.aborted) {
      throw new APIUserAbortError();
    }

    const controller = new AbortController();
    const response = await this.fetchWithTimeout(url, req, timeout, controller).catch(castToError);

    if (response instanceof Error) {
      if (options.signal?.aborted) {
        throw new APIUserAbortError();
      }
      if (retriesRemaining) {
        return this.retryRequest(options, retriesRemaining);
      }
      if (response.name === 'AbortError') {
        throw new APIConnectionTimeoutError();
      }
      throw new APIConnectionError({ cause: response });
    }

    const responseHeaders = createResponseHeaders(response.headers);

    if (!response.ok) {
      if (retriesRemaining && this.shouldRetry(response)) {
        const retryMessage = `retrying, ${retriesRemaining} attempts remaining`;
        debug(`response (error; ${retryMessage})`, response.status, url, responseHeaders);
        return this.retryRequest(options, retriesRemaining, responseHeaders);
      }

      const errText = await response.text().catch((e) => castToError(e).message);
      const errJSON = safeJSON(errText);
      const errMessage = errJSON ? undefined : errText;
      const retryMessage = retriesRemaining ? `(error; no more retries left)` : `(error; not retryable)`;

      debug(`response (error; ${retryMessage})`, response.status, url, responseHeaders, errMessage);

      const err = this.makeStatusError(response.status, errJSON, errMessage, responseHeaders);
      throw err;
    }

    return { response, options, controller };
  }