react-relay-network-modern/es/RelayResponse.js

Network Layer for React Relay and Express (Batch Queries, AuthToken, Logging, Retry)

export default class RelayResponse {
  // response from low-level method, eg. fetch

  static async createFromFetch(res) {
    const r = new RelayResponse();
    r._res = res;
    r.ok = res.ok;
    r.status = res.status;
    r.url = res.url;
    r.headers = res.headers;
    if (res.status < 200 || res.status >= 300) {
      r.text = await res.text();
    } else {
      r.processJsonData(await res.json());
    }
    return r;
  }
  static async createFromGraphQL(res) {
    const r = new RelayResponse();
    r._res = res;
    r.ok = true;
    r.status = 200;
    r.data = res.data;
    r.errors = res.errors;
    return r;
  }
  processJsonData(json) {
    this.json = json;
    if (json) {
      if (json.data) this.data = json.data;
      if (json.errors) this.errors = json.errors;
    }
  }
  clone() {
    // $FlowFixMe
    return Object.assign(Object.create(Object.getPrototypeOf(this)), this);
  }
  toString() {
    return [`Response:`, `   Url: ${this.url || ''}`, `   Status code: ${this.status || ''}`, `   Status text: ${this.statusText || ''}`, `   Response headers: ${JSON.stringify(this.headers) || ''}`, `   Response body: ${JSON.stringify(this.json) || ''}`].join('\n');
  }
}