A module to make hacker news requests

Api.js

import axios from 'axios';

// Default API will be your root
const API_ROOT = process.env.URL || 'http://localhost:3000/';
const TIMEOUT = 20000;
const HEADERS = {
  'Content-Type': 'application/json',
  Accept: 'application/json',
};

class ApiService {
  constructor({ baseURL = API_ROOT, timeout = TIMEOUT, headers = HEADERS, auth }) {
    const client = axios.create({
      baseURL,
      timeout,
      headers,
      auth,
    });

    client.interceptors.response.use(this.handleSuccess, this.handleError);
    this.client = client;
  }

  handleSuccess(response) {
    return response;
  }

  handleError(error) {
    return Promise.reject(error);
  }

  get(path) {
    return this.client.get(path).then(response => response.data);
  }

  post(path, payload) {
    return this.client.post(path, payload).then(response => response.data);
  }

  put(path, payload) {
    return this.client.put(path, payload).then(response => response.data);
  }

  patch(path, payload) {
    return this.client.patch(path, payload).then(response => response.data);
  }

  delete(path) {
    return this.client.delete(path).then(response => response.data);
  }
}

export default ApiService;

HackerNewsApi.js

import ApiService from './Api';

const JSON_QUERY = '.json?print=pretty';
const BASE_URL = 'https://hacker-news.firebaseio.com/v0';
const client = new ApiService({ baseURL: BASE_URL });

const hackerNewsApi = {};

const PAGE_LIMIT = 20;
const getPageSlice = (limit, page = 0) => ({ begin: page * limit, end: (page + 1) * limit });
const getPageValues = ({ begin, end, items }) => items.slice(begin, end);

hackerNewsApi.getTopStoryIds = () => client.get(`/topstories${JSON_QUERY}`);
hackerNewsApi.getStory = id => client.get(`/item/${id}${JSON_QUERY}`);
hackerNewsApi.getStoriesByPage = (ids, page) => {
  const { begin, end } = getPageSlice(PAGE_LIMIT, page);
  const activeIds = getPageValues({ begin, end, items: ids });
  const storyPromises = activeIds.map(id => hackerNewsApi.getStory(id));
  return Promise.all(storyPromises);
};

export default hackerNewsApi;