proxy-example.js

proxy-example.js

// Reference: https://medium.com/@alonronin/magic-methods-in-javascript-meet-proxy-65e6305f4d3e. Thank for awesome article

const axios = require('axios');

const instance = axios.create({
  baseURL: 'https://jsonplaceholder.typicode.com/'
});

const target = {};
const handler = {
  get(target, name) {
    return Object.assign(
      {},

      [
        'get',
        'delete',
        'head'
      ].reduce(
        (o, method) => Object.assign({}, o, {
          [method](url = '', params = {}) {
            if (typeof url === 'object') {
              params = url;
              url = '';
            }

            return instance[method](name + url, { params });
          }
        }), {}),

      [
        'post',
        'put',
        'patch'
      ].reduce(
        (o, method) => Object.assign({}, o, {
          [method](url = '', body = {}, params = {}) {
            if (typeof url === 'object') {
              params = body;
              body = url;
              url = '';
            }

            return instance[method](name + url, body, { params });
          }
        }), {})
    );
  }
};

const api = new Proxy(target, handler);

const response = ({ data }) => console.log(data);

api.posts.get().then(response);
api.posts.get({ userId: 10 }).then(response);
api.posts.get('/1/comments', { email: 'Lew@alysha.tv' }).then(response);

const body = {
  title: 'test',
  body: 'lorem ipsum',
  userId: 10,
};

api.posts.post(body).then(response);