React on rails logo
React on Rails
ShakaCode WebsiteCommunityReact on Rails Pro
Search
    Search by
    GithubSmallView on Github
    Guides
    Rails
    Javascript
    Additional details
    Deployment
    React on rails pro
    Api
    Misc
    Contributor info
    Testimonials
    Outdated
    Shakacode logoShakaCodeDeveloped by

    Copyright 2020 ShakaCode

    Upgrading rails/webpacker v3.5 to v4

    The following steps can be followed to update a Webpacker v3.5 app to v4.

    1. Update the gem webpacker and the package @rails/webpacker
    2. Merge changes from the new default .babelrc to your /.babelrc. If you are using React, you need to add "@babel/preset-react", to the list of presets.
    3. Copy the file .browserslistrc to /.
    4. Merge any differences between config/webpacker.yml and your /config/webpacker.yml.

    Here is an example commit of these changes.