Flow for Visual Studio Code

This extension adds Flow support for VS Code. Flow is a static type checker, designed to find type errors in JavaScript programs.

Installation

Follow the instructions for VS Code extension installation.

Setup

Flow is supported on Mac, 64-bit Windows, and Linux, follow flowtype.org to get started
You need a .flowconfig in your workspace to enable the flow features
Make sure you are able to run the flow command from the command line ( or you have flow.useNPMPackagedFlow option in true )
Set workspace preference with "javascript.validate.enable": false.

Configuration

flow.pathToFlow (default: 'flow') path to Flow that will be used for VSCode or Project
flow.stopFlowOnExit (default: true) stop flow server on exit from Project
flow.enabled (default: true) you can disable flow for some Project for example
flow.useNPMPackagedFlow (default: false) you can also run Flow by defining it in your package.json

Features

Syntax Coloring
IntelliSense
Go to Definition / Peek Definition
Diagnostics (Errors, Warnings)
Hover type information

Known Issues

You should set workspace preference to disable default syntax validation from Visual Studio Code: "javascript.validate.enable": false.

Debugger configuration

First, follow the instructions to setup your launch configuration file, launch.json.

To use flow-remove-types:

Follow the flow-remove-type Quick Start.
In launch.json, add "runtimeArgs": ["-r", "flow-remove-types/register"] to the "launch" configuration.

To use Babel:

Follow the Babel Quick Start.
Install babel-register.
In .babelrc, add "retainLines": true.
In launch.json, add "runtimeArgs": ["-r", "babel-register"] to the "launch" configuration.

About

This plugin is built on top of Nuclide's Flow support.

Contributing

please refer to CONTRIBUTING.md

License