README
flow-upgrade
A utility for upgrading your codebase to the latest version of Flow.
To run this utility to upgrade your codebase you can use yarn create
:
yarn create flow-upgrade
This is a shorter version which is equivalent to:
yarn global add flow-upgrade
flow-upgrade
You may also use npx
:
npx flow-upgrade
Options
By default, Flow will only upgrade files that have an // @flow
header comment.
If you want to upgrade all of your JavaScript files you may pass in the --all
:
yarn create flow-upgrade --all