Flow JavaScript analyzer plugin for SublimeText 2 and 3
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A Sublime package for Flow, the static JavaScript analyzer.

  • Run Flow on JavaScript projects from SublimeText
  • Linux and OS X are supported.


  • Flow must be installed on your system. It's recommended to install flow to /usr/local/bin/.
  • To allow Flow to work in your project directory you must either
    • run flow init in your project directory
    • or create an empty .flowconfig file in your project's root directory


Using Package Control:

  • Install the Package Control plugin if you don't have it
  • Press Ctrl+Shift+P to bring up the Command Palette (or use Tools > Command Palette menu)
  • Select Package Control: Install Package
  • Type 'Flow' to find Flow for Sublime Text 2 and 3
  • Select 'Flow for Sublime Text 2 and 3' to install

Not using Package Control:

  • Get files from the package archive
  • unzip to your Packages/Flow directory, for example:
    • Linux: ~/.config/sublime-text-2/Packages/JSLint
    • Mac: ~/Library/Application Support/Sublime Text 2/Packages/JSLint
    • Windows: %APPDATA%/Sublime Text 2/Packages/JSLint
  • Relaunch Sublime Text


Flow checks entire directories. You must run flow init in your project directory, or manually create a .flowconfig file there, before Flow can be used on it.

Any JavaScript files that you want checked with Flow must include the following line in their headers:

/* @flow */

Sublime-Flow includes both a command plug-in and a build system.

There are several ways to run the Flow command:

  • Bring up the Command Palette (Command+Shift+P on OS X, Control+Shift+P on Linux/Windows), then type Flow.
  • Click the Tools > Flow menu entry.
  • Press CTRL+F.

Using the Flow build system:

  • Set the Build System to Flow, then run Build (Command+B on OSX)
  • Alternately, set the Build System to automatic; the Flow build system will be selected for .js files automatically. If another build system has already been configured to work with .js files, this may not work.


  • Navigate to Preferences > Package Settings > Flow > Settings - Default.
  • To preserve custom settings:
    • copy default settings to Preferences > Package Settings > Flow > Settings - User
    • modify them to your requirements