optimize api.js

api.js

import axios from 'axios';
import { token } from './somewhere';

axios.defaults.baseURL = 'https://jsonplaceholder.typicode.com';

axios.interceptors.request.use((config) => {
  if (token) {
    config.headers.Authorization = `Bearer ${token}`;
  }
  return config;
});

axios.interceptors.response.use(res => res
, error => {
  const { data, status, config } = error.response;
  switch(status) {
    case 400:
      console.error(data);
      break;
      
    case 401:
      console.error('unauthorised');
      break;

    case 404:
      console.error('/not-found');
      break;

    case 500:
      console.error('/server-error');
      break;
  }
  return Promise.reject(error);
})

const responseBody = response => response.data;

const request = {
  get: url => axios.get(url).then(responseBody),
  post: (url, body) => axios.post(url, body).then(responseBody)
}

const todos = {
  list: () => request.get('/todos'),
  details: (id) => request.get(`/todos/${id}`),
  create: (data) => request.post('/todos', data)
}

const users = {
  list: () => request.get('/users'),
  details: (id) => request.get(`/users/${id}`),
  create: (data) => request.post('/users', data)
}
const api = {
  todos,
  users
}

export default api;