Visualize dependency graph of deno

graph.ts

import { createGraph } from "jsr:@deno/graph@^0.81.3";
import { relative } from "jsr:@std/path@^1.0.2/relative";
import { resolve } from "jsr:@std/path@^1.0.2/resolve";
import { toFileUrl } from "jsr:@std/path@^1.0.2/to-file-url";
import { digraph, toDot } from "npm:ts-graphviz@^2.1.2";

const [entrypoint, baseDir] = Deno.args;

const graph = await createGraph(
  toFileUrl(resolve(entrypoint)).href,
);

const resolved = graph.modules
  .filter(({ specifier }) => !specifier.startsWith("https://"))
  .map(({ specifier, dependencies }) => ({
    specifier,
    dependencies: dependencies
      ?.filter(({ specifier }) => !specifier.startsWith("jsr:"))
      ?.map(({ specifier, code, type }) => ({
        specifier: code?.specifier ?? type?.specifier ?? specifier,
      })),
  }));

const root = toFileUrl(resolve(baseDir)).href;
const G = digraph("G", undefined, (g) => {
  for (const { specifier: parent, dependencies } of resolved) {
    const parentNode = g.node(relative(root, parent));
    for (const { specifier } of dependencies ?? []) {
      g.edge([parentNode, g.node(relative(root, specifier))]);
    }
  }
});

console.log(toDot(G));