@reliverse/rse-sdk/bin/utils/codemods/removeUnusedDeps.js

@reliverse/rse-sdk allows you to create new plugins for @reliverse/rse CLI, interact with reliverse.org, and even extend your own CLI functionality (you may also try @reliverse/dler-sdk for this case).

import path from "@reliverse/pathkit";
import fs from "@reliverse/relifso";
import { destr } from "destr";
import { glob } from "tinyglobby";
export async function getUnusedDependencies(cwd, ignoredDeps = []) {
  const packageJsonPath = path.join(cwd, "package.json");
  const packageJson = destr(
    await fs.readFile(packageJsonPath, "utf-8")
  );
  const allDeps = {
    ...packageJson.dependencies ?? {},
    ...packageJson.devDependencies ?? {}
  };
  const files = await glob("**/*.{js,jsx,ts,tsx}", { cwd });
  const imports = /* @__PURE__ */ new Set();
  for (const file of files) {
    const content = await fs.readFile(path.join(cwd, file), "utf-8");
    const importMatches = content.matchAll(/from ['"]([^'"]+)['"]/g);
    for (const match of importMatches) {
      const [, pkg] = match;
      if (pkg && !pkg.startsWith(".") && !pkg.startsWith("~/")) {
        imports.add(pkg.split("/")[0]);
      }
    }
  }
  return Object.keys(allDeps).filter(
    (dep) => !imports.has(dep) && !ignoredDeps.some(
      (pattern) => pattern.startsWith("/") ? new RegExp(pattern.slice(1, -1)).test(dep) : pattern === dep
    )
  );
}