kgersen / spaghetti

Spaghetti: a dependency analysis tool for Go packages

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Spaghetti: a dependency analysis tool for Go packages

Spaghetti is an interactive web-based tool to help you understand the dependencies of a Go program, and to explore and evaluate various possible efforts to eliminate dependencies.

It displays the complete dependencies of the initial packages, organized into a tree based on the directory structure of the package/module namespace.

Clicking on a package node displays information about it, including an arbitrary path to it from one of the initial packages. Each edge in the path may be "broken", causing it to be removed from the graph and the view recomputed. The broken edges are tabulated, and each can be restored if you change your mind or try another approach. In this manner, you can explore how your overall dependencies would change as you work to remove specific imports. Once you are happy with the overall dependencies, the set of broken edges becomes your task list for a clean-up project.

Run it like so:

$ go install   # install in $HOME/go/bin
$ ~/go/bin/spaghetti [package] &                    # run the server
$ open http://localhost:8080                        # open in chrome, firefox, etc

where package is or more Go packages, or a pattern understood by go list. Then point your browser at the insecure single-user web server at localhost:18080.

This tool is a rewrite from scratch of a tool I wrote while at Google for exploring the dependency graphs used by the Blaze build system. The basic design could be easily be generalized to support any kind of dependency graph, independent of language or domain, or turned into a secure multi-user web service that operates on graph data uploaded from the client program that generates it.

You can probably tell that web UIs are not my expertise. PRs that provide cosmetic improvements are most welcome!


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Spaghetti: a dependency analysis tool for Go packages

License:BSD 2-Clause "Simplified" License


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