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Godepviz - Visualize Go imports in Graphviz DOT format

golangpkgtool

Visualize Go imports in Graphviz DOT format.

Support visualize package from pkg.go.dev

Installation

$ go get github.com/chuongtrh/godepviz

Usage

$ godepviz github.com/gofiber/fiber/v2

The output is a graph in Graphviz dot format.

digraph G {
         rankdir="LR";
    pad=.25;
    ratio=fill;
    dpi=360;
    node [shape=box];
        "github.com/gofiber/fiber/v2" -> "github.com/valyala/fasthttp";
        "github.com/valyala/fasthttp" -> "github.com/andybalholm/brotli";
        "github.com/valyala/fasthttp" -> "github.com/klauspost/compress/flate";
        "github.com/valyala/fasthttp" -> "github.com/klauspost/compress/gzip";
        "github.com/valyala/fasthttp" -> "github.com/klauspost/compress/zlib";
        "github.com/valyala/fasthttp" -> "github.com/valyala/bytebufferpool";
        "github.com/gofiber/fiber/v2" -> "github.com/valyala/fasthttp/reuseport";
        "github.com/valyala/fasthttp/reuseport" -> "github.com/valyala/tcplisten";
        "github.com/gofiber/fiber/v2"  [style=filled];
}

You can view a output graph with tool https://dreampuf.github.io/GraphvizOnline or http://viz-js.com

If you have the graphviz tools installed you can render it by piping the output to dot:

$ godepviz github.com/gofiber/fiber/v2 | dot -Tpng -o godep.png

Export SVG file with a large graph have many nodes of dependencies

$ godepviz github.com/gofiber/fiber/v2 | dot -Gdpi=0 -T svg -o godep.svg

Example

  • Package net/http
Example net/http
  • Package github.com/labstack/echo/v4
Example github.com/labstack/echo/v4
  • Package github.com/gofiber/fiber/v2
Example github.com/gofiber/fiber/v2

Source code: https://github.com/chuongtrh/godepviz