REST API Client

http.js

const http = {
  stream(url) {
    return http.fetchBlob(url);
  },

  get(url) {
    return http.fetchJson(url);
  },

  post(url, data) {
    return http.fetchJson(url, {
      body: JSON.stringify(data),
      method: 'POST',
    });
  },

  delete(url, data) {
    return http.fetchJson(url, {
      body: JSON.stringify(data),
      method: 'DELETE',
    });
  },

  patch(url, data) {
    return http.fetchJson(url, {
      body: JSON.stringify(data),
      method: 'PATCH',
    });
  },

  fetchBlob(url) {
    const options = defaultOptions;
    return new Promise((resolve, reject) => {
      http
        .fetch(url, options)
        .then((response) => {
          if (response.ok) {
            return response
              .blob()
              .then((blob) => resolve(blob))
              .catch(reject);
          } else {
            reject(response.statusText);
          }
        })
        .catch((err) => {
          reject(err);
        });
    });
  },

  fetchJson(url, params = {}) {
    const options = {
      ...defaultJsonOptions,
      ...params,
    };

    return new Promise((resolve, reject) => {
      http
        .fetch(url, options)
        .then((response) => {
          if (response.ok) {
            return response
              .json()
              .then((json) => resolve(json))
              .catch((err) => reject(err));
          } else {
            reject(response.statusText);
          }
        })
        .catch((err) => {
          reject(err);
        });
    });
  },

  async fetch(url, options) {
    options.headers = {
      ...options.headers,
      ...(await getAuthorization()),
    };
    // native call
    return fetch(url, options);
  },
};

export async function getAuthorization() {
  try {
    const jwt = 'TEMPORARY';
    // const data = await Auth.currentSession();
    // const jwt = data.getAccessToken().getJwtToken();

    return {
      authorization: `Bearer ${jwt}`,
    };
  } catch {
    return {};
  }
}

const defaultOptions = {
  // credentials: 'same-origin',
  mode: 'cors',
  cache: 'no-store',
};

const defaultJsonOptions = {
  // credentials: 'same-origin',
  headers: {
    Accept: 'application/json',
    'Content-Type': 'application/json; charset=utf-8',
  },
  mode: 'cors',
  cache: 'no-store',
};

export default http;