Node server using Hapi.js

server.js

'use strict';

const Hapi = require('hapi');
const Joi = require('joi');
const fetch = require('node-fetch');
const credentials = require('./credentials');

const server = Hapi.server({
  host: '0.0.0.0',
  port: 8000
});

// Start the server
async function start() {
  try {
    await server.register(require('inert'));

    server.route({
      method: 'POST',
      path: '/wolfram',
      config: {
        handler: function(req) {
          console.log('asking wolfram alpha');
          let url = `http://api.wolframalpha.com/v2/query?input=${
            req.payload.searchTerm
          }&appid=${credentials.wolfram}`;
          return fetch(url)
            .then(res => res.text())
            .then(text => {
              return text;
            });
        },
        validate: {
          payload: {
            searchTerm: Joi.string().required()
          }
        }
      }
    });

    server.route({
      method: 'POST',
      path: '/translate',
      config: {
        handler: function(req) {
          console.log('POST translate');
          let url = `https://www.googleapis.com/language/translate/v2?key=${
            credentials.google
          }&source=en&target=fr&q=${req.payload.searchTerm}`;
          return fetch(url)
            .then(res => res.json())
            .then(json => {
              return json;
            });
        },
        validate: {
          payload: {
            searchTerm: Joi.string().required()
          }
        }
      }
    });

    server.route({
      method: 'GET',
      path: '/{param*}',
      handler: {
        directory: {
          path: 'public'
        }
      }
    });

    await server.start();
  } catch (err) {
    console.log(err);
    process.exit(1);
  }

  console.log('Server running at:', server.info.uri);
}

start();