A Swift Package Manager plugin which runs SwiftFormat.
Add this repo to your package dependencies:
    dependencies: [
        .package(url: "https://github.com/elegantchaos/SwiftFormatterPlugin", from: "1.0.2"),
        /* other dependencies here... */ 
    ],Invoke the tool from the command line:
swift package plugin --allow-writing-to-package-directory format-source-code