spluggy: compile-time plugins for go

Organizing your code as plugins has many benefits, Go provides excellent support for them. The caveat (beside dependency hell) is that you lose the cool, single-binary advantage of Go.

spluggy gets you the best of both worlds: static plugins. You define your plugins as sub-packages within the same package. As long as they all expose a function with the same name, spluggy will discover them automatically and make the function accessible for external packages.

Usage

A functioning app is in example which demonstrates how to use spluggy using go generate. The commend line interface is:

Usage: spluggy <flags> <package directory>

With flags:

  -func string
    	The exposed function name
  -out string
    	Output file name (default "plugins.go")
  -pkg string
    	The base package
  -v	Enable verbose output

Known Limitations

Currently spluggy cannot infer struct type dependencies defined within a map, e.g.

// spluggy cannot infer that "somepackage" shoud be imported 
func Fn(map[somepackage.SomeStructType]int) {
    ...
}

This will be addressed in the next version.

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spluggy is a work of ❤️ by Codoma.tech.