ex_2.md

Exercise 2

• Create the following folder/file structure:

  /ex_2
    |-- index.js
    |-- package.json
  

Todo

• Add the following files to the folder:

  • index.js

    const oneLinerJoke = require("one-liner-joke");
    const express = require("express");
    const app = express();
    const port = process.env.PORT || 3000;
    
    app.get("/", (req, res) => {
      const getRandomJoke = oneLinerJoke.getRandomJoke();
      res.json(getRandomJoke);
    });
    
    app.listen(port, () => console.log(`Open at http://localhost:${port}`));

  • package.json

    {
      "name": "ex_2",
      "version": "1.0.0",
      "description": "",
      "main": "index.js",
      "scripts": {
        "test": "echo \"Error: no test specified\" && exit 1",
        "start": "nodemon"
      },
      "keywords": [],
      "author": "",
      "license": "ISC",
      "dependencies": {
        "express": "^4.17.1",
        "nodemon": "^2.0.2"
      }
    }

• Run the application using npm start

• Resolve the following error in terminal

  internal/modules/cjs/loader.js:583
      throw err;
      ^
  
  Error: Cannot find module 'one-liner-joke'
      at Function.Module._resolveFilename (internal/modules/cjs/loader.js:581:15)
      at Function.Module._load (internal/modules/cjs/loader.js:507:25)
      at Module.require (internal/modules/cjs/loader.js:637:17)
      at require (internal/modules/cjs/helpers.js:22:18)
      at Object.<anonymous> (/Users/davidcrossman/Development/web/nodeyqr-exercises/debug/ex_2/index.js:1:84)
      at Module._compile (internal/modules/cjs/loader.js:689:30)
      at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
      at Module.load (internal/modules/cjs/loader.js:599:32)
      at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
      at Function.Module._load (internal/modules/cjs/loader.js:530:3)
  [nodemon] app crashed - waiting for file changes before starting...

index.js

• Once we start the project it will otuput the following message:

  Open at http://localhost:3000

• The page should load with the JSON Object from one line jokes