steveluscher / zero-to-flow

A sample application to help you learn how to use a JavaScript typechecker to fix bugs.

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zero-to-flow

This is a companion repository to the Zero to Flow in 30 Minutes talk. Here, you will find three states of its sample application, in three commits:

  • Working, with Flow types.
  • Broken, with Flow types.
  • Broken, without Flow types.

Watch the original presentation

Zero to Flow in 30 Minutes – video

Installing

Install all the dependencies needed to run the example using yarn install.

Running Flow

You can run flow on the command line by typing yarn flow.

Integrating Flow with your editor

To enjoy errors, hover-hints, and autocomplete in your editor, follow the instructions at https://flow.org/en/docs/editors/

About

A sample application to help you learn how to use a JavaScript typechecker to fix bugs.


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