Update and refactor

scripts/check-imports.ts

@@ -0,0 +1,69 @@
+#!/usr/bin/env bun
+import glob from 'fast-glob';
+import fs from 'fs';
+import { builtinModules } from 'module';
+import { uniq } from 'lodash';
+import { dependencies, peerDependencies, overrides } from '../dist/package.json';
+
+function checkImports() {
+  const deps = Object.keys({ ...dependencies, ...peerDependencies, ...overrides }).concat(
+    'eslint',
+  );
+  const builtIn = new Set(builtinModules.flatMap(module => [module, `node:${module}`]));
+
+  function findRequires(text: string) {
+    const list = Array.from(text.matchAll(/require\(["']([^"']+)["']\)/g))
+      .map(m => m[1])
+      .filter(
+        module =>
+          !(
+            builtIn.has(module) ||
+            module.startsWith('eslint/') ||
+            module.startsWith('typescript/')
+          ),
+      );
+    return uniq(list);
+  }
+
+  const moduleMap = glob
+    .sync(['dist/**/*.js', '!dist/node_modules/**'])
+    .map(path => ({ key: path, value: findRequires(fs.readFileSync(path, 'utf8')) }));
+
+  const files = Object.fromEntries(
+    moduleMap
+      .map(({ key, value }) => ({
+        key,
+        value: value.filter(
+          module =>
+            !(deps.includes(module) || deps.some(dep => module.startsWith(`${dep}/`))),
+        ),
+      }))
+      .filter(({ value }) => value.length > 0)
+      .map(({ key, value }) => [key, value]),
+  );
+  const uselessDeps = Object.keys(dependencies).filter(
+    dep => !moduleMap.some(({ value }) => value.includes(dep)),
+  );
+
+  return {
+    missingImports: files,
+    unusedDependencies: uselessDeps,
+  };
+}
+
+function checkDeps() {
+  const pkgJson = glob
+    .sync(['dist/node_modules/@*/*/package.json', 'dist/node_modules/*/package.json'])
+    .sort()
+    .map(path => fs.readFileSync(path, 'utf8'))
+    .map(content => JSON.parse(content))
+    .filter(({ author }) => JSON.stringify(author ?? 'null').includes('ljharb'))
+    .map(({ name }) => name);
+
+  return { suspiciousPackages: pkgJson };
+}
+
+console.log({
+  ...checkImports(),
+  ...checkDeps(),
+});