Go: How to view the dependency graph of packages defined within a module?

Go language, as a popular programming language, has powerful modular features, allowing developers to easily organize and manage code. During the development process, it is very important to understand the dependencies between modules, which can help us better understand the code structure and functionality. So in Go language, how to view the dependency graph of packages defined in a module? This article will introduce you to several simple and effective methods to help you solve this problem easily.

Question content

When you create a project in Go, you use a module (created via go mod init) and can break the code into packages within that module middle. Since these packages cannot be imported in a loop, how can I easily view the dependency graph of packages defined within a module? I know I can build the code and see if there are any errors, but that's not a good way to understand or teach the code base, and manually maintained diagrams can become stale very quickly.

I want to see if this functionality already exists before writing the go tool.

Solution

I think you can use godepgraph.

Then you can find the loops in the graph, like this

I referred to this page

(1) https://www.php.cn/link/038edd2fb3cd9de7842995625f230f78

(2) https://jogendra.dev/import-cycles-in-golang-and-how-to-deal-with-them

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