Basic node server files.

app-one.js

// Example 1: ECHO ENDPOINT
'use strict'
const express = require('express');
const app = express();

app.get('/echo/:what', (req, res) => {
  res.json({
    host: req.hostname,
    path: req.path,
    query: req.query,
    params: req.params
  }); 
});

app.listen(process.env.PORT, () => {
  console.log(`Listening on port ${process.env.PORT}`);
});


/*
  *** REQUEST URL ***
  https://drill1-echo-endpoint.glitch.me/echo/foo?cats=dogs
  
  *** RESPONSE LOG:
  {
     "host": "drill1-echo-endpoint.glitch.me",
     "path": "/echo/foo",
     "query": {
         "cats": "dogs"
     },
     "params": {
         "what": "foo"
     }
 }
*/

app-three.js

// Example 3: A/B Test
const express = require('express');
const cookieParser = require('cookie-parser');
const app = express();
const AB_COOKIE_NAME = 'a-b-test'; 

app.use(cookieParser());
app.use(express.static('public'));

const assignAb = () => ['a', 'b'][Math.floor(Math.random() * 2)];

app.get('/', (req, res) => {
  const cookie = req.cookies[AB_COOKIE_NAME]; 
  console.log(req.cookies.constructor);
  if (cookie === undefined) {
    res.cookie(AB_COOKIE_NAME, assignAb(), {});
  }
  res.sendFile(__dirname + '/views/index.html');
});

app-two.js

// Example 2: MAD LIB
const express = require('express');
const app = express();

const doMadlib = (params) => {
  const {adjective1, adjective2, adjective3, adverb, name, noun, place} = params;
  return (  
  `There's a ${adjective1} new ${noun} in ${place} and everyone's ` +
  `talking. Stunningly ${adjective2} and ${adverb} ${adjective3}, all the cool kids know it.` + 
  `However, ${name} has a secret - ${name}'s a vile vampire. \n` + 
  `Will it end with a bite, or with a stake through the ${noun}'s heart?`
  );
};

app.get('/', (req, res) => res.send(doMadlib(req.query)));

Drills done on Thinkful using Glitch