Fun with Nodejs and Javacript environment

Experiments using Nodejs and some tooling like Lint, testing, CI and automation

How to run:

1. npm install
2. npm start
3. open http://localhost:8080?grades=20,55,12 or http://localhost:8080/users

Check the build: https://travis-ci.org/denstorti/fun-with-node-tooling

Scripts on package.json:

  "scripts": {
    "prestart": "node ./scripts/preMessage.js",
    "start": "npm-run-all --parallel inicial test:watch security-check lint",
    "inicial": "node ./src/index.js ",
    "lint": "esw --watch --color",
    "security-check": "nsp check",
    "test": "mocha --reporter progress \"lib/**/*.test.js\" \"src/**/*.test.js\"",
    "test:watch": "npm run test -- --watch"
  }

Some notes about tooling for Javascript environment:

• Nodejs can be for frontend developers too

• ES6 Features
	○ http://es6-features.org

• Promises vs Callbacks
	○ new Promise(function(resolve, reject){})
	○ promise.then(success (result){}, error(result){})
	○ https://developers.google.com/web/fundamentals/primers/promises?hl=pt-br#whats-all-the-fuss-about
	○ https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises

• Auth
	○ Passport (auth)

• View/Template
	○ Angular
	○ EJS
	○ Jade

• APM
	○ https://blog.risingstack.com/monitoring-nodejs-applications-nodejs-at-scale/

• Bundling
	○ ES6 Modules and CommonJS
	○ Webpack
• Linter
	○ ESLint
		§ eslint --init
	○ eslint-watch
• Transpiling
	○ Babel - https://babeljs.io/
		§ .babelrc
	○ TypeScript
• Automation
	○ npm scripts
		§ npm-run-all --parallel
			□ npm install npm-run-all --save-dev
	○ Gulp
	○ Grunt
• Debugging
	○ node-inspector

• Logging
	○ pino

• Style
	○ EditorConfig (plugin para o VSCode) - http://editorconfig.org/

• Package Management
	○ npm
	○ Node Security Platform (Security scanning) - npm install -g nsp
		§ nsp check
	○ *** Semantic versioning
		§ http://semver.org/
• Web server
	○ express
	○ Cache
		§ redis
		§ memcached

• Share work-in-progress (expose website)
	○ localtunnel  (lt --port 3000)
	○ surge
	○ now
• Testing
	○ Unit
		§ mocha (testing framework)
		§ chai (assertion library)
			□ var expect = require('chai').expect;
		§ *** Padrão em nome de arquivos:
			□ index.test.js
			□ Package.json:    "test": "mocha --reporter progress \"lib/**/*.test.js\""

		§ jsdom, cheerio (helper - evaluate DOM)

		§ istanbul (nyc)
			□ npm i -D nyc
			□ Codecov - https://codecov.io/gh
				® npm i -D codecov

	○ UI
		§ Selenium
• Continuous integration
	○ Integration
		§ Travis CI - https://travis-ci.org/
		§ GitLab CI
		§ Jenkins
		§ CircleCI
		§ AppVeyor
• HTTP Calls
	○ HTTP Call
		§ request (Node)
		§ node-fetch (polyfill - browser)
		§ axios (Node and browser)
	○ *** Centralize API Calls
• Mock API
	○ Nock
	○ JSON Server + JSON Schema Faker
		§ faker.js, chance.js
  Swagger