Flow

William Beard

Denver Office

Team etc., etc., etc.

Flow

Typecheck your JavaScript

Let's look at an example

Catch TypeErrors

Cannot read property...

Immutable.js or not

null safety

Code Documentation

React Components

Redux Actions

Redux State Selectors

Gradual Typing

One function at a time

Build Integration

.babelrc

Text Editor Integration

• Atom (linter & linter-flow)
• Sublime
• Vim
• Maybe emacs

JS Errors

Thanks!

Questions