Messing with clis

Mohamed Hayibor
June 2nd, 2016

Alchemist: https://mohamedhayibor.github.io

Outline

• Learning chaos
• Hubway love story
• Building and publishing live

How
About some
Questions?

Learning

• Chaos
• Chaos
• Chaos
• ...
• more chaos

Learning chaos - How to

• Keep on parsing - lower and lower level of abstractions

• Figure out dependencies and their gist

• Getting good at parsing global variables asap

Why building clis === fun

• Lower n. of loc
• deep focus on functionality - brevity
• fast dev cycle - 1 to 2 hours

What we will be building

• Documentation: http://api.citybik.es/
• Endpoint: api.citybik.es/elpaso.json

El paso Bike sharing cli

Building a cli: key points

"bin": {
  "<command>": "cli.js"
}

#!/usr/bin/env node

add to package.json

on top of file

Demo

Building on top - awesome packages: 

• Commander (multiple commands)
• Meow
• Chalk
• ShellJS

Thanks!

Github: https://github.com/mohamedhayibor
Twitter: ​https://twitter.com/mhayibor

Resources:

meow: https://www.npmjs.com/package/meow​
request: https://www.npmjs.com/package/request
chalk: https://www.npmjs.com/package/chalk

Must checkout: https://github.com/sindresorhus/awesome-nodejs