Method command

lib/jsonwp-proxy/proxy.js:265–304

(url, method, body = null)

  }

  async command (url, method, body = null) {
    let response;
    let resBodyObj;
    try {
      [response, resBodyObj] = await this.proxyCommand(url, method, body);
    } catch (err) {
      if (isErrorType(err, errors.ProxyRequestError)) {
        throw err.getActualError();
      }
      throw new errors.UnknownError(err.message);
    }
    const protocol = this.getProtocolFromResBody(resBodyObj);
    if (protocol === MJSONWP) {
      // Got response in MJSONWP format
      if (response.statusCode === 200 && resBodyObj.status === 0) {
        return resBodyObj.value;
      }
      const status = parseInt(resBodyObj.status, 10);
      if (!isNaN(status) && status !== 0) {
        let message = resBodyObj.value;
        if (_.has(message, 'message')) {
          message = message.message;
        }
        throw errorFromMJSONWPStatusCode(status, _.isEmpty(message) ? getSummaryByCode(status) : message);
      }
    } else if (protocol === W3C) {
      // Got response in W3C format
      if (response.statusCode < 300) {
        return resBodyObj.value;
      }
      if (_.isPlainObject(resBodyObj.value) && resBodyObj.value.error) {
        throw errorFromW3CJsonCode(resBodyObj.value.error, resBodyObj.value.message, resBodyObj.value.stacktrace);
      }
    } else if (response.statusCode === 200) {
      // Unknown protocol. Keeping it because of the backward compatibility
      return resBodyObj;
    }
    throw new errors.UnknownError(`Did not know what to do with response code '${response.statusCode}' ` +
                                  `and response body '${_.truncate(JSON.stringify(resBodyObj), {length: 300})}'`);
  }

  getSessionIdFromUrl (url) {
    const match = url.match(/\/session\/([^/]+)/);