feat: use ESM instead of commonjs (#9870)

2026-04-27 18:46:18 -04:00 · 2025-08-25 10:02:00 +02:00
parent 27cbc09206
commit 491a84fb26
634 changed files with 2286 additions and 1749 deletions
--- a/.changeset/five-lies-travel.md
+++ b/.changeset/five-lies-travel.md
@@ -0,0 +1,188 @@
+---
+"@pnpm/plugin-commands-installation": major
+"@pnpm/plugin-commands-store-inspecting": major
+"@pnpm/plugin-commands-completion": major
+"@pnpm/plugin-commands-publishing": major
+"@pnpm/plugin-commands-script-runners": major
+"@pnpm/write-project-manifest": major
+"@pnpm/filter-workspace-packages": major
+"@pnpm/read-project-manifest": major
+"@pnpm/plugin-commands-licenses": major
+"@pnpm/plugin-commands-outdated": major
+"@pnpm/tools.plugin-commands-self-updater": major
+"@pnpm/workspace.filter-packages-from-dir": major
+"@pnpm/plugin-commands-patching": major
+"@pnpm/read-projects-context": major
+"@pnpm/plugin-commands-listing": major
+"@pnpm/resolve-workspace-range": major
+"@pnpm/pick-registry-for-package": major
+"@pnpm/make-dedicated-lockfile": major
+"@pnpm/parse-wanted-dependency": major
+"@pnpm/resolve-dependencies": major
+"@pnpm/exportable-manifest": major
+"@pnpm/plugin-commands-deploy": major
+"@pnpm/reviewing.dependencies-hierarchy": major
+"@pnpm/plugin-commands-doctor": major
+"@pnpm/plugin-commands-audit": major
+"@pnpm/plugin-commands-setup": major
+"@pnpm/read-package-json": major
+"@pnpm/resolving.jsr-specifier-parser": major
+"@pnpm/store-connection-manager": major
+"@pnpm/workspace.injected-deps-syncer": major
+"@pnpm/package-is-installable": major
+"@pnpm/plugin-commands-config": major
+"@pnpm/plugin-commands-init": major
+"@pnpm/pkg-manager.direct-dep-linker": major
+"@pnpm/package-requester": major
+"@pnpm/plugin-commands-rebuild": major
+"@pnpm/plugin-commands-server": major
+"@pnpm/store-controller-types": major
+"@pnpm/find-workspace-dir": major
+"@pnpm/common-cli-options-help": major
+"@pnpm/normalize-registries": major
+"@pnpm/lockfile.preferred-versions": major
+"@pnpm/render-peer-issues": major
+"@pnpm/modules-cleaner": major
+"@pnpm/manifest-utils": major
+"@pnpm/plugin-commands-store": major
+"@pnpm/get-release-text": major
+"@pnpm/prepare-temp-dir": major
+"@pnpm/directory-fetcher": major
+"@pnpm/fs.is-empty-dir-or-nothing": major
+"@pnpm/default-resolver": major
+"@pnpm/tarball-resolver": major
+"@pnpm/test-ipc-server": major
+"@pnpm/lockfile.detect-dep-types": major
+"@pnpm/lockfile.settings-checker": major
+"@pnpm/license-scanner": major
+"@pnpm/workspace.manifest-writer": major
+"@pnpm/assert-project": major
+"@pnpm/catalogs.protocol-parser": major
+"@pnpm/tarball-fetcher": major
+"@pnpm/lockfile-to-pnp": major
+"@pnpm/dependency-path": major
+"@pnpm/modules-yaml": major
+"@pnpm/package-bins": major
+"@pnpm/local-resolver": major
+"@pnpm/eslint-config": major
+"@pnpm/test-fixtures": major
+"@pnpm/plugin-commands-env": major
+"@pnpm/env.system-node-version": major
+"@pnpm/exec.pkg-requires-build": major
+"@pnpm/fetching.binary-fetcher": major
+"@pnpm/fs.indexed-pkg-importer": major
+"@pnpm/hooks.read-package-hook": major
+"@pnpm/calc-dep-state": major
+"@pnpm/get-context": major
+"@pnpm/remove-bins": major
+"@pnpm/resolving.deno-resolver": major
+"@pnpm/resolver-base": major
+"@pnpm/create-cafs-store": major
+"@pnpm/workspace.find-packages": major
+"@pnpm/workspace.read-manifest": major
+"@pnpm/sort-packages": major
+"@pnpm/assert-store": major
+"@pnpm/parse-overrides": major
+"@pnpm/dedupe.issues-renderer": major
+"@pnpm/mount-modules": major
+"@pnpm/fetching-types": major
+"@pnpm/real-hoist": major
+"@pnpm/resolving.bun-resolver": major
+"@pnpm/git-resolver": major
+"@pnpm/npm-resolver": major
+"@pnpm/jest-config": major
+"@pnpm/config.deps-installer": major
+"@pnpm/fetcher-base": major
+"@pnpm/pick-fetcher": major
+"@pnpm/symlink-dependency": major
+"@pnpm/lockfile.verification": major
+"@pnpm/core-loggers": major
+"@pnpm/link-bins": major
+"@pnpm/workspace.spec-parser": major
+"@pnpm/default-reporter": major
+"@pnpm/config.config-writer": major
+"@pnpm/crypto.object-hasher": major
+"@pnpm/deps.graph-sequencer": major
+"@pnpm/exec.pnpm-cli-runner": major
+"@pnpm/prepare-package": major
+"@pnpm/git-fetcher": major
+"@pnpm/object.property-path": major
+"@pnpm/patching.apply-patch": major
+"@pnpm/headless": major
+"@pnpm/text.comments-parser": major
+"@pnpm/workspace.pkgs-graph": major
+"@pnpm/crypto.shasums-file": major
+"@pnpm/exec.build-commands": major
+"@pnpm/read-modules-dir": major
+"@pnpm/network.auth-header": major
+"@pnpm/package-store": major
+"@pnpm/tsconfig": major
+"@pnpm/parse-cli-args": major
+"@pnpm/deps.graph-builder": major
+"@pnpm/build-modules": major
+"@pnpm/lockfile.filtering": major
+"@pnpm/object.key-sorting": major
+"@pnpm/constants": major
+"@pnpm/git-utils": major
+"@pnpm/client": major
+"@pnpm/exe": major
+"@pnpm/outdated": major
+"@pnpm/testing.temp-store": major
+"@pnpm/prepare": major
+"@pnpm/scripts": major
+"@pnpm/catalogs.resolver": major
+"@pnpm/node.resolver": major
+"@pnpm/hoist": major
+"@pnpm/semver.peer-range": major
+"@pnpm/node.fetcher": major
+"@pnpm/fs.find-packages": major
+"@pnpm/fs.hard-link-dir": major
+"@pnpm/core": major
+"@pnpm/cafs-types": major
+"@pnpm/store-path": major
+"@pnpm/catalogs.config": major
+"@pnpm/lockfile.merger": major
+"@pnpm/lockfile.pruner": major
+"@pnpm/lockfile.walker": major
+"@pnpm/logger": major
+"@pnpm/patching.config": major
+"@pnpm/workspace.state": major
+"@pnpm/cache.commands": major
+"@pnpm/catalogs.types": major
+"@pnpm/matcher": major
+"@pnpm/lifecycle": major
+"@pnpm/graceful-fs": major
+"@pnpm/pnpmfile": major
+"@pnpm/audit": major
+"@pnpm/lockfile.types": major
+"@pnpm/lockfile.utils": major
+"@pnpm/error": major
+"@pnpm/types": major
+"@pnpm/patching.types": major
+"@pnpm/list": major
+"@pnpm-private/updater": major
+"@pnpm/cli-utils": major
+"@pnpm/config": major
+"@pnpm/fetch": major
+"@pnpm/cli-meta": major
+"@pnpm/dedupe.check": major
+"@pnpm/dedupe.types": major
+"@pnpm/run-npm": major
+"@pnpm/server": major
+"@pnpm-private/typings": major
+"@pnpm/command": major
+"@pnpm/crypto.hash": major
+"@pnpm/deps.status": major
+"@pnpm/fs.packlist": major
+"@pnpm/hooks.types": major
+"@pnpm/lockfile.fs": major
+"@pnpm/store.cafs": major
+"@pnpm/tools.path": major
+"@pnpm/cache.api": major
+"@pnpm/env.path": major
+"pd": major
+"@pnpm/worker": major
+"pnpm": major
+---
+
+This package is now pure ESM.
--- a/.meta-updater/src/index.ts
+++ b/.meta-updater/src/index.ts
@@ -183,8 +183,9 @@ async function updateTSConfig (
      extends: '../tsconfig.json',
      compilerOptions: {
        noEmit: false,
-        outDir: '../test.lib',
-        rootDir: '.',
+        outDir: '../node_modules/.test.lib',
+        rootDir: '..',
+        isolatedModules: true,
      },
      include: [
        '**/*.ts',
@@ -277,9 +278,9 @@ async function updateManifest (workspaceDir: string, manifest: ProjectManifest,
    if (manifest.name === '@pnpm/core') {
      // @pnpm/core tests currently works only with port 7769 due to the usage of
      // the next package: pkg-with-tarball-dep-from-registry
-      scripts._test = `cross-env PNPM_REGISTRY_MOCK_PORT=${registryMockPortForCore} jest`
+      scripts._test = `cross-env PNPM_REGISTRY_MOCK_PORT=${registryMockPortForCore} NODE_OPTIONS=--experimental-vm-modules jest`
    } else {
-      scripts._test = 'jest'
+      scripts._test = 'cross-env NODE_OPTIONS=--experimental-vm-modules jest'
    }
    break
  }
@@ -287,7 +288,7 @@ async function updateManifest (workspaceDir: string, manifest: ProjectManifest,
    if (fs.existsSync(path.join(dir, 'test'))) {
      scripts = {
        ...(manifest.scripts as Record<string, string>),
-        _test: 'jest',
+        _test: 'cross-env NODE_OPTIONS=--experimental-vm-modules jest',
        test: 'pnpm run compile && pnpm run _test',
      }
    } else {
@@ -368,7 +369,7 @@ async function updateManifest (workspaceDir: string, manifest: ProjectManifest,
    })
  }
  return sortKeysInManifest({
-    type: 'commonjs',
+    type: 'module',
    ...manifest,
    bugs: {
      url: 'https://github.com/pnpm/pnpm/issues',
--- a/.meta-updater/tsconfig.json
+++ b/.meta-updater/tsconfig.json
@@ -3,7 +3,7 @@
  "compilerOptions": {
    "outDir": "lib",
    "rootDir": "src",
-    "module": "ES2020"
+    "module": "nodenext"
  },
  "include": [
    "src/**/*.ts",
--- a/fixtures/package.yaml
+++ b/fixtures/package.yaml
@@ -1,9 +1,9 @@
 scripts:
-  step1: node ../pnpm/dist/pnpm.cjs install -rf --frozen-lockfile --no-shared-workspace-lockfile --no-link-workspace-packages
-  step2: node ../pnpm/dist/pnpm.cjs install -rf --frozen-lockfile --no-shared-workspace-lockfile --no-link-workspace-packages
-  step3: node ../pnpm/dist/pnpm.cjs install -rf -C fixtureWithLinks --frozen-lockfile --link-workspace-packages --no-shared-workspace-lockfile
-  step4: cd ./fixture-with-external-shrinkwrap/pkg && node ../../../pnpm/dist/pnpm.cjs install -f --frozen-lockfile
-  step5: cd ./custom-modules-dir && node ../../pnpm/dist/pnpm.cjs install -f --frozen-lockfile
+  step1: node ../pnpm/dist/pnpm.mjs install -rf --frozen-lockfile --no-shared-workspace-lockfile --no-link-workspace-packages
+  step2: node ../pnpm/dist/pnpm.mjs install -rf --frozen-lockfile --no-shared-workspace-lockfile --no-link-workspace-packages
+  step3: node ../pnpm/dist/pnpm.mjs install -rf -C fixtureWithLinks --frozen-lockfile --link-workspace-packages --no-shared-workspace-lockfile
+  step4: cd ./fixture-with-external-shrinkwrap/pkg && node ../../../pnpm/dist/pnpm.mjs install -f --frozen-lockfile
+  step5: cd ./custom-modules-dir && node ../../pnpm/dist/pnpm.mjs install -f --frozen-lockfile
  prepareFixtures: >
    pnpm run step1 &&
    pnpm run step2 &&
--- a/patches/@pnpm__npm-lifecycle.patch
+++ b/patches/@pnpm__npm-lifecycle.patch
@@ -0,0 +1,13 @@
+diff --git a/index.js b/index.js
+index 8506b4c43670dd8ddb490001f2c2a5649b11f326..af35d94765e23a4e9b46b0e332ffd37061e05968 100644
+--- a/index.js
+++ b/index.js
+@@ -87,7 +87,7 @@ function lifecycle (pkg, stage, wd, opts) {
+           // Instead, we use the path to the exe file.
+           env.npm_execpath = process.execPath
+         } else {
+-          env.npm_execpath = require.main ? require.main.filename : process.cwd()
+          env.npm_execpath = process.argv[1] ?? process.cwd()
+         }
+         env.INIT_CWD = process.cwd()
+         env.npm_config_node_gyp = env.npm_config_node_gyp || DEFAULT_NODE_GYP_PATH
--- a/typings/local.d.ts
+++ b/typings/local.d.ts
@@ -29,10 +29,15 @@ declare module '@pnpm/npm-conf' {
  export = anything
 }

-declare module '@pnpm/npm-conf/lib/util' {
+declare module '@pnpm/npm-conf/lib/util.js' {
  export function parseField (types: any, field: string, value: any): unknown
 }

+declare module '@pnpm/npm-conf/lib/conf' {
+  const anything: any
+  export = anything
+}
+
 declare module '@pnpm/npm-lifecycle' {
  const anything: any
  export = anything
@@ -104,6 +109,10 @@ declare module 'read-package-json' {
  export = anything
 }

+declare module 'split-cmd/index.modern.mjs' {
+  export function split (command: string): string[]
+}
+
 declare module 'stacktracey' {
  const anything: any
  export = anything
--- a/typings/typed.d.ts
+++ b/typings/typed.d.ts
@@ -64,7 +64,7 @@ declare module 'strip-comments-strings' {
    str: string, replacer?: CodeItemReplacer): string
 }

-declare module 'bin-links/lib/fix-bin' {
+declare module 'bin-links/lib/fix-bin.js' {
  function fixBin (path: string, execMode: number): Promise<void>
  export = fixBin
 }
--- a/utils/assert-project/package.json
+++ b/utils/assert-project/package.json
@@ -11,6 +11,7 @@
    "url": "https://github.com/pnpm/pnpm/issues"
  },
  "main": "lib/index.js",
+  "type": "module",
  "types": "lib/index.d.ts",
  "files": [
    "lib/"
--- a/utils/assert-project/src/index.ts
+++ b/utils/assert-project/src/index.ts
@@ -1,6 +1,7 @@
 import fs from 'fs'
 import path from 'path'
 import util from 'util'
+import { createRequire } from 'module'
 import { assertStore } from '@pnpm/assert-store'
 import { WANTED_LOCKFILE } from '@pnpm/constants'
 import { type LockfileFile } from '@pnpm/lockfile.types'
@@ -10,6 +11,8 @@ import { sync as readYamlFile } from 'read-yaml-file'
 import writePkg from 'write-pkg'
 import isExecutable from './isExecutable.js'

+const require = createRequire(import.meta.url)
+
 export { isExecutable, type Modules }

 export interface Project {
@@ -88,7 +91,6 @@ export function assertProject (projectPath: string, encodedRegistryName?: string
  return {
    dir: () => projectPath,
    requireModule (pkgName: string) {
-      // eslint-disable-next-line
      return require(path.join(modules, pkgName))
    },
    has (pkgName: string, _modulesDir?: string) {
--- a/utils/assert-project/src/isExecutable.ts
+++ b/utils/assert-project/src/isExecutable.ts
@@ -1,13 +1,13 @@
 import fs from 'fs'
 import isWindows from 'is-windows'
-import { sync as isexe } from 'isexe'
+import isExe from 'isexe'

 const IS_WINDOWS = isWindows()

 // eslint-disable-next-line
 export default (ok: (value: any, comment: string) => void, filePath: string): void => {
  if (IS_WINDOWS) {
-    ok(isexe(`${filePath}.cmd`), `${filePath}.cmd is executable`)
+    ok(isExe.sync(`${filePath}.cmd`), `${filePath}.cmd is executable`)
    return
  }

--- a/utils/assert-project/test/index.ts
+++ b/utils/assert-project/test/index.ts
@@ -3,7 +3,7 @@ import path from 'path'
 import { assertProject } from '../src/index.js'

 test('assertProject()', async () => {
-  const project = assertProject(path.join(__dirname, '../../..'))
+  const project = assertProject(path.join(import.meta.dirname, '../../..'))

  project.has('rimraf')
  project.hasNot('sfdsff3g34') // cspell:disable-line
@@ -12,7 +12,7 @@ test('assertProject()', async () => {
 })

 test('assertProject() store functions', async () => {
-  const project = assertProject(path.join(__dirname, 'fixture/project'), 'registry.npmjs.org')
+  const project = assertProject(path.join(import.meta.dirname, 'fixture/project'), 'registry.npmjs.org')

  expect(typeof project.getStorePath()).toBe('string')
  project.storeHas('is-positive', '3.1.0')
--- a/utils/assert-project/test/tsconfig.json
+++ b/utils/assert-project/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/utils/assert-store/package.json
+++ b/utils/assert-store/package.json
@@ -6,6 +6,7 @@
    "url": "https://github.com/pnpm/pnpm/issues"
  },
  "main": "lib/index.js",
+  "type": "module",
  "types": "lib/index.d.ts",
  "files": [
    "lib/"
--- a/utils/assert-store/test/index.ts
+++ b/utils/assert-store/test/index.ts
@@ -4,7 +4,7 @@ import { assertStore } from '@pnpm/assert-store'
 import { STORE_VERSION } from '@pnpm/constants'

 test('assertStore() store assertions', async () => {
-  const storePath = path.join(__dirname, `fixture/store/${STORE_VERSION}/`)
+  const storePath = path.join(import.meta.dirname, `fixture/store/${STORE_VERSION}/`)
  const encodedRegistryName = 'registry.npmjs.org'
  const store = assertStore(storePath, encodedRegistryName)

@@ -14,7 +14,7 @@ test('assertStore() store assertions', async () => {
 })

 test('assertStore() resolve', async () => {
-  const storePath = path.join(__dirname, `fixture/store/${STORE_VERSION}/`)
+  const storePath = path.join(import.meta.dirname, `fixture/store/${STORE_VERSION}/`)
  const encodedRegistryName = 'registry.npmjs.org'
  const store = assertStore(storePath, encodedRegistryName)

--- a/utils/assert-store/test/tsconfig.json
+++ b/utils/assert-store/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/utils/build-artifacts/main.mjs
+++ b/utils/build-artifacts/main.mjs
@@ -4,16 +4,14 @@ import pkgDeb from 'pkg-deb'
 import pkgRhel from 'pkg-rpm'
 import { fileURLToPath } from 'url'

-const __dirname = path.dirname(fileURLToPath(import.meta.url))
-
-const artifactDir = path.join(__dirname, '../../packages/artifacts/linux-x64')
-const pnpmDir = path.join(__dirname, '../../packages/pnpm')
+const artifactDir = path.join(import.meta.dirname, '../../packages/artifacts/linux-x64')
+const pnpmDir = path.join(import.meta.dirname, '../../packages/pnpm')
 const pnpmManifest = JSON.parse(fs.readFileSync(path.join(pnpmDir, 'package.json'), 'utf8'))

 const opts = {
  name: 'pnpm',
  version: pnpmManifest.version,
-  dest: path.join(__dirname, '../../dist'),
+  dest: path.join(import.meta.dirname, '../../dist'),
  src: pnpmDir,
  input: path.join(artifactDir, 'pnpm'),
  arch: 'x64',
--- a/utils/eslint-config/index.js
+++ b/utils/eslint-config/index.js
@@ -1,14 +1,10 @@
-import path from 'node:path'
-import { fileURLToPath } from 'node:url'
 import js from '@eslint/js'
 import { FlatCompat } from '@eslint/eslintrc'
 import noDupeConditions from './no-dupe-conditions.js'
 import jestPlugin from 'eslint-plugin-jest'

-const __filename = fileURLToPath(import.meta.url)
-const __dirname = path.dirname(__filename)
 const compat = new FlatCompat({
-  baseDirectory: __dirname,
+  baseDirectory: import.meta.dirname,
  recommendedConfig: js.configs.recommended,
  allConfig: js.configs.all
 })
--- a/utils/get-release-text/tsconfig.json
+++ b/utils/get-release-text/tsconfig.json
@@ -3,7 +3,7 @@
  "compilerOptions": {
    "outDir": "lib",
    "rootDir": "src",
-    "module": "ES2020"
+    "module": "nodenext"
  },
  "include": [
    "src/**/*.ts",
--- a/utils/jest-config/config.js
+++ b/utils/jest-config/config.js
@@ -1,15 +1,21 @@
-const path = require('path')
+import path from 'path'

 const config = {
-  preset: "ts-jest",
-  resolver: path.join(__dirname, 'node_modules/ts-jest-resolver'),
+  preset: "ts-jest/presets/default-esm",
+  resolver: path.join(import.meta.dirname, 'node_modules/ts-jest-resolver'),
+  globals: {
+    'ts-jest': {
+      useESM: true,
+    },
+  },
+  extensionsToTreatAsEsm: ['.ts'],
  transform: {
    '^.+\\.tsx?$': ['ts-jest', {
      // For most projects, the tsconfig.json and test/tsconfig.json are almost
      // exactly the same. But it's more correct to point to test/tsconfig.json
      // to prevent surprises in the future.
      tsconfig: 'test/tsconfig.json'
-    }]
+    }],
  },
  testMatch: ["**/test/**/*.[jt]s?(x)", "**/src/**/*.test.ts"],
  testEnvironment: "node",
@@ -18,14 +24,14 @@ const config = {
  testPathIgnorePatterns: ["/fixtures/", "/__fixtures__/", "<rootDir>/test/utils/.+"],
  modulePathIgnorePatterns: ['\/__fixtures__\/.*'],
  testTimeout: 4 * 60 * 1000, // 4 minutes
-  setupFilesAfterEnv: [path.join(__dirname, "setupFilesAfterEnv.js")],
+  setupFilesAfterEnv: [path.join(import.meta.dirname, "setupFilesAfterEnv.js")],
  maxWorkers: "50%",
 }

 if (process.env.PNPM_SCRIPT_SRC_DIR) {
  const pathAsArr = process.env.PNPM_SCRIPT_SRC_DIR.split(path.sep)
  const packageName = pathAsArr[pathAsArr.length - 1]
-  config.cacheDirectory = path.join(__dirname, ".jest-cache", packageName)
+  config.cacheDirectory = path.join(import.meta.dirname, ".jest-cache", packageName)
 }

 // We are running test script from pnpm command, this seems to confuse tests
@@ -36,4 +42,4 @@ for (const key of Object.keys(process.env)) {
  }
 }

-module.exports = config
+export default config
--- a/utils/jest-config/jest-preset.js
+++ b/utils/jest-config/jest-preset.js
@@ -1,4 +1,3 @@
-const path = require('path')
-const baseConfig = require('./config')
+import baseConfig from './config.js'

-module.exports = baseConfig
+export default baseConfig
--- a/utils/jest-config/package.json
+++ b/utils/jest-config/package.json
@@ -3,6 +3,7 @@
  "version": "1000.0.0",
  "private": true,
  "main": "jest-preset.js",
+  "type": "module",
  "dependencies": {
    "@pnpm/registry-mock": "catalog:",
    "@pnpm/worker": "workspace:*",
--- a/utils/jest-config/setupFilesAfterEnv.js
+++ b/utils/jest-config/setupFilesAfterEnv.js
@@ -1,4 +1,4 @@
-const { finishWorkers } = require('@pnpm/worker')
+import { finishWorkers } from '@pnpm/worker'

 afterAll(async () => {
  await finishWorkers()
--- a/utils/jest-config/with-registry/globalSetup.js
+++ b/utils/jest-config/with-registry/globalSetup.js
@@ -1,12 +1,13 @@
-const getPort = require('get-port')
-const { promisify } = require('util')
-const kill = promisify(require('tree-kill'))
+import getPort from 'get-port'
+import { promisify } from 'util'
+import treeKill from 'tree-kill'
+const kill = promisify(treeKill)

-module.exports = async () => {
+export default async () => {
  if (!process.env.PNPM_REGISTRY_MOCK_PORT) {
    process.env.PNPM_REGISTRY_MOCK_PORT = (await getPort({ port: getPort.makeRange(7700, 7800) })).toString()
  }
-  const { start, prepare } = require('@pnpm/registry-mock')
+  const { start, prepare } = await import('@pnpm/registry-mock')
  prepare()
  const server = start({
    // Verdaccio stopped working properly on Node.js 22.
--- a/utils/jest-config/with-registry/globalTeardown.js
+++ b/utils/jest-config/with-registry/globalTeardown.js
@@ -1,3 +1,3 @@
-module.exports = () => {
+export default () => {
  return global.killServer?.()
 }
--- a/utils/jest-config/with-registry/jest-preset.js
+++ b/utils/jest-config/with-registry/jest-preset.js
@@ -1,12 +1,12 @@
-const path = require('path')
-const baseConfig = require('./../config')
+import path from 'path'
+import baseConfig from './../config.js'

-module.exports = {
+export default {
  ...baseConfig,
  // Many tests change the dist tags of packages.
  // Unfortunately, this means that if two such tests will run at the same time,
  // they may break each other.
  maxWorkers: 1,
-  globalSetup: path.join(__dirname, 'globalSetup.js'),
-  globalTeardown: path.join(__dirname, 'globalTeardown.js'),
+  globalSetup: path.join(import.meta.dirname, 'globalSetup.js'),
+  globalTeardown: path.join(import.meta.dirname, 'globalTeardown.js'),
 }
--- a/utils/prepare-temp-dir/package.json
+++ b/utils/prepare-temp-dir/package.json
@@ -2,6 +2,7 @@
  "name": "@pnpm/prepare-temp-dir",
  "version": "1000.0.0",
  "main": "lib/index.js",
+  "type": "module",
  "types": "lib/index.d.ts",
  "devDependencies": {
    "@pnpm/prepare-temp-dir": "workspace:*",
--- a/utils/prepare-temp-dir/src/index.ts
+++ b/utils/prepare-temp-dir/src/index.ts
@@ -3,7 +3,7 @@ import path from 'path'

 // The testing folder should be outside of the project to avoid lookup in the project's node_modules
 // Not using the OS temp directory due to issues on Windows CI.
-const tmpBaseDir = path.join(__dirname, '../../../../pnpm_tmp')
+const tmpBaseDir = path.join(import.meta.dirname, '../../../../pnpm_tmp')

 const tmpPath = path.join(tmpBaseDir, `${getFilesCountInDir(tmpBaseDir).toString()}_${process.pid.toString()}`)

--- a/utils/prepare/package.json
+++ b/utils/prepare/package.json
@@ -3,6 +3,7 @@
  "version": "1000.0.0",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
+  "type": "module",
  "dependencies": {
    "@pnpm/assert-project": "workspace:*",
    "@pnpm/prepare-temp-dir": "workspace:*",
--- a/utils/scripts/package.json
+++ b/utils/scripts/package.json
@@ -2,6 +2,7 @@
  "name": "@pnpm/scripts",
  "version": "1000.0.0",
  "private": true,
+  "type": "module",
  "dependencies": {
    "@pnpm/workspace.find-packages": "catalog:",
    "@pnpm/workspace.read-manifest": "catalog:",
--- a/utils/scripts/src/copy-artifacts.ts
+++ b/utils/scripts/src/copy-artifacts.ts
@@ -3,7 +3,7 @@ import * as execa from 'execa'
 import path from 'path'
 import makeEmptyDir from 'make-empty-dir'

-const repoRoot = path.join(__dirname, '../../..')
+const repoRoot = path.join(import.meta.dirname, '../../..')
 const dest = path.join(repoRoot, 'dist')
 const artifactsDir = path.join(repoRoot, 'pnpm/artifacts')

--- a/utils/scripts/src/typecheck-only.ts
+++ b/utils/scripts/src/typecheck-only.ts
@@ -7,9 +7,9 @@ import glob from 'fast-glob'
 import normalizePath from 'normalize-path'
 import path from 'path'

-const repoRoot = path.resolve(__dirname, '../../../')
+const repoRoot = path.resolve(import.meta.dirname, '../../../')
 const typeCheckDir = path.resolve(repoRoot, '__typecheck__')
-const typingsDir = path.resolve(__dirname, '__typings__')
+const typingsDir = path.resolve(import.meta.dirname, '__typings__')

 async function main (): Promise<void> {
  const workspace = await readWorkspaceManifest(repoRoot)
--- a/utils/test-fixtures/package.json
+++ b/utils/test-fixtures/package.json
@@ -11,6 +11,7 @@
    "url": "https://github.com/pnpm/pnpm/issues"
  },
  "main": "lib/index.js",
+  "type": "module",
  "types": "lib/index.d.ts",
  "files": [
    "lib/"
--- a/utils/test-ipc-server/bin/test-ipc-server-client.js
+++ b/utils/test-ipc-server/bin/test-ipc-server-client.js
@@ -1,2 +1,2 @@
 #!/usr/bin/env node
-require('../lib/clientBin')
+import {} from '../lib/clientBin.js'
--- a/utils/test-ipc-server/package.json
+++ b/utils/test-ipc-server/package.json
@@ -3,6 +3,7 @@
  "version": "1000.0.0",
  "private": true,
  "main": "lib/index.js",
+  "type": "module",
  "types": "lib/index.d.ts",
  "bin": {
    "test-ipc-server-client": "./bin/test-ipc-server-client.js"
@@ -16,10 +17,13 @@
  "scripts": {
    "lint": "eslint src/**/*.ts test/**/*.ts",
    "compile": "rimraf tsconfig.tsbuildinfo lib && tsc --build",
-    "test": "pnpm run compile && jest"
+    "test": "pnpm run compile && cross-env NODE_OPTIONS=--experimental-vm-modules jest"
  },
  "keywords": [
    "pnpm",
    "pnpm10"
-  ]
+  ],
+  "jest": {
+    "preset": "@pnpm/jest-config"
+  }
 }
--- a/utils/test-ipc-server/test/TestIpcServer.test.ts
+++ b/utils/test-ipc-server/test/TestIpcServer.test.ts
@@ -1,14 +1,14 @@
 /// <reference lib="esnext.disposable" />
-import execa from 'execa'
 import fs from 'fs'
 import net from 'net'
 import path from 'path'
+import execa from 'execa'
 import { setTimeout } from 'timers/promises'
 import { promisify } from 'util'
 import { prepare } from '@pnpm/prepare'
 import { createTestIpcServer } from '@pnpm/test-ipc-server'

-const pnpmBin = path.join(__dirname, '../../../pnpm/bin/pnpm.cjs')
+const pnpmBin = path.join(import.meta.dirname, '../../../pnpm/bin/pnpm.mjs')

 describe('TestEchoServer', () => {
  describe('lifecycle', () => {
--- a/utils/test-ipc-server/test/tsconfig.json
+++ b/utils/test-ipc-server/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/utils/tsconfig/tsconfig.json
+++ b/utils/tsconfig/tsconfig.json
@@ -4,8 +4,8 @@
    "composite": true,
    "declaration": true,
    "esModuleInterop": true,
-    "module": "commonjs",
-    "moduleResolution": "node",
+    "module": "nodenext",
+    "moduleResolution": "nodenext",
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "preserveConstEnums": true,
--- a/cache/api/package.json
+++ b/cache/api/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
--- a/cache/commands/package.json
+++ b/cache/commands/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -26,7 +26,7 @@
  ],
  "scripts": {
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "prepublishOnly": "pnpm run compile",
    "compile": "tsc --build && pnpm run lint --fix"
--- a/cache/commands/src/cache.cmd.ts
+++ b/cache/commands/src/cache.cmd.ts
@@ -3,7 +3,7 @@ import { docsUrl } from '@pnpm/cli-utils'
 import { type Config, types as allTypes } from '@pnpm/config'
 import { FULL_FILTERED_META_DIR, ABBREVIATED_META_DIR } from '@pnpm/constants'
 import { getStorePath } from '@pnpm/store-path'
-import pick from 'ramda/src/pick'
+import { pick } from 'ramda'
 import renderHelp from 'render-help'
 import {
  cacheList,
--- a/cache/commands/test/cacheDelete.cmd.test.ts
+++ b/cache/commands/test/cacheDelete.cmd.test.ts
@@ -5,7 +5,7 @@ import execa from 'execa'
 import { cache } from '@pnpm/cache.commands'
 import { sync as rimraf } from '@zkochan/rimraf'

-const pnpmBin = path.join(__dirname, '../../../pnpm/bin/pnpm.cjs')
+const pnpmBin = path.join(import.meta.dirname, '../../../pnpm/bin/pnpm.mjs')
 const REGISTRY = `http://localhost:${REGISTRY_MOCK_PORT}/`

 describe('cache delete', () => {
--- a/cache/commands/test/cacheList.cmd.test.ts
+++ b/cache/commands/test/cacheList.cmd.test.ts
@@ -5,7 +5,7 @@ import execa from 'execa'
 import { cache } from '@pnpm/cache.commands'
 import { sync as rimraf } from '@zkochan/rimraf'

-const pnpmBin = path.join(__dirname, '../../../pnpm/bin/pnpm.cjs')
+const pnpmBin = path.join(import.meta.dirname, '../../../pnpm/bin/pnpm.mjs')
 const REGISTRY = `http://localhost:${REGISTRY_MOCK_PORT}/`

 describe('cache', () => {
--- a/cache/commands/test/cacheView.cmd.test.ts
+++ b/cache/commands/test/cacheView.cmd.test.ts
@@ -5,7 +5,7 @@ import execa from 'execa'
 import { cache } from '@pnpm/cache.commands'
 import { sync as rimraf } from '@zkochan/rimraf'

-const pnpmBin = path.join(__dirname, '../../../pnpm/bin/pnpm.cjs')
+const pnpmBin = path.join(import.meta.dirname, '../../../pnpm/bin/pnpm.mjs')
 const REGISTRY = `http://localhost:${REGISTRY_MOCK_PORT}/`

 describe('cache view', () => {
--- a/cache/commands/test/tsconfig.json
+++ b/cache/commands/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/catalogs/config/package.json
+++ b/catalogs/config/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -29,7 +29,7 @@
    "compile": "tsc --build && pnpm run lint --fix",
    "prepublishOnly": "pnpm run compile",
    "test": "pnpm run compile && pnpm run _test",
-    "_test": "jest"
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest"
  },
  "dependencies": {
    "@pnpm/error": "workspace:*"
--- a/catalogs/config/test/tsconfig.json
+++ b/catalogs/config/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/catalogs/protocol-parser/package.json
+++ b/catalogs/protocol-parser/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -29,7 +29,7 @@
    "compile": "tsc --build && pnpm run lint --fix",
    "prepublishOnly": "pnpm run compile",
    "test": "pnpm run compile && pnpm run _test",
-    "_test": "jest"
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest"
  },
  "devDependencies": {
    "@pnpm/catalogs.protocol-parser": "workspace:*"
--- a/catalogs/protocol-parser/test/tsconfig.json
+++ b/catalogs/protocol-parser/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/catalogs/resolver/package.json
+++ b/catalogs/resolver/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -29,7 +29,7 @@
    "compile": "tsc --build && pnpm run lint --fix",
    "prepublishOnly": "pnpm run compile",
    "test": "pnpm run compile && pnpm run _test",
-    "_test": "jest"
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest"
  },
  "dependencies": {
    "@pnpm/catalogs.protocol-parser": "workspace:^",
--- a/catalogs/resolver/test/tsconfig.json
+++ b/catalogs/resolver/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/catalogs/types/package.json
+++ b/catalogs/types/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
--- a/cli/cli-meta/package.json
+++ b/cli/cli-meta/package.json
@@ -13,7 +13,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -28,7 +28,7 @@
    "test": "pnpm run compile && pnpm run _test",
    "prepublishOnly": "pnpm run compile",
    "compile": "tsc --build && pnpm run lint --fix",
-    "_test": "jest"
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest"
  },
  "dependencies": {
    "@pnpm/types": "workspace:*",
--- a/cli/cli-meta/src/index.ts
+++ b/cli/cli-meta/src/index.ts
@@ -1,7 +1,3 @@
-import path from 'path'
-import { type DependencyManifest } from '@pnpm/types'
-import loadJsonFile from 'load-json-file'
-
 const defaultManifest = {
  name: process.env.npm_package_name != null && process.env.npm_package_name !== ''
    ? process.env.npm_package_name
@@ -10,21 +6,7 @@ const defaultManifest = {
    ? process.env.npm_package_version
    : '0.0.0',
 }
-let pkgJson
-if (require.main == null) {
-  pkgJson = defaultManifest
-} else {
-  try {
-    pkgJson = {
-      ...defaultManifest,
-      ...loadJsonFile.sync<DependencyManifest>(
-        path.join(path.dirname(require.main.filename), '../package.json')
-      ),
-    }
-  } catch {
-    pkgJson = defaultManifest
-  }
-}
+const pkgJson = defaultManifest

 export const packageManager = {
  name: pkgJson.name,
--- a/cli/cli-meta/test/tsconfig.json
+++ b/cli/cli-meta/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/cli/cli-utils/package.json
+++ b/cli/cli-utils/package.json
@@ -13,7 +13,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -28,7 +28,7 @@
    "prepublishOnly": "pnpm run compile",
    "compile": "tsc --build && pnpm run lint --fix",
    "test": "pnpm run compile && pnpm run _test",
-    "_test": "jest"
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest"
  },
  "dependencies": {
    "@pnpm/cli-meta": "workspace:*",
--- a/cli/cli-utils/test/tsconfig.json
+++ b/cli/cli-utils/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/cli/command/package.json
+++ b/cli/command/package.json
@@ -13,7 +13,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
--- a/cli/common-cli-options-help/package.json
+++ b/cli/common-cli-options-help/package.json
@@ -13,7 +13,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
--- a/cli/default-reporter/package.json
+++ b/cli/default-reporter/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -28,7 +28,7 @@
    "start": "tsc --watch",
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
    "just-test-preview": "ts-node test --type-check",
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "prepublishOnly": "pnpm run compile",
    "compile": "tsc --build && pnpm run lint --fix"
--- a/cli/default-reporter/src/reportError.ts
+++ b/cli/default-reporter/src/reportError.ts
@@ -6,7 +6,7 @@ import { type PnpmError } from '@pnpm/error'
 import { renderPeerIssues } from '@pnpm/render-peer-issues'
 import { type PeerDependencyIssuesByProjects } from '@pnpm/types'
 import chalk from 'chalk'
-import equals from 'ramda/src/equals'
+import { equals } from 'ramda'
 import StackTracey from 'stacktracey'
 import { EOL } from './constants.js'

--- a/cli/default-reporter/src/reporterForClient/pkgsDiff.ts
+++ b/cli/default-reporter/src/reporterForClient/pkgsDiff.ts
@@ -2,8 +2,7 @@ import type * as logs from '@pnpm/core-loggers'
 import { type BaseManifest } from '@pnpm/types'
 import * as Rx from 'rxjs'
 import { filter, map, mapTo, reduce, scan, startWith, take } from 'rxjs/operators'
-import mergeRight from 'ramda/src/mergeRight'
-import difference from 'ramda/src/difference'
+import { mergeRight, difference } from 'ramda'

 export interface PackageDiff {
  added: boolean
--- a/cli/default-reporter/src/reporterForClient/reportStats.ts
+++ b/cli/default-reporter/src/reporterForClient/reportStats.ts
@@ -2,7 +2,7 @@ import { type StatsLog } from '@pnpm/core-loggers'
 import * as Rx from 'rxjs'
 import { filter, take, reduce, map } from 'rxjs/operators'
 import chalk from 'chalk'
-import repeat from 'ramda/src/repeat'
+import { repeat } from 'ramda'
 import stringLength from 'string-length'
 import { EOL } from '../constants.js'
 import {
--- a/cli/default-reporter/test/index.ts
+++ b/cli/default-reporter/test/index.ts
@@ -21,7 +21,7 @@ import { map, skip, take } from 'rxjs/operators'
 import chalk from 'chalk'
 import normalizeNewline from 'normalize-newline'
 import { firstValueFrom } from 'rxjs'
-import repeat from 'ramda/src/repeat'
+import { repeat } from 'ramda'
 import { formatWarn } from '../src/reporterForClient/utils/formatWarn.js'

 const formatErrorCode = (code: string) => chalk.bgRed.black(`\u2009${code}\u2009`)
--- a/cli/default-reporter/test/reportingErrors.ts
+++ b/cli/default-reporter/test/reportingErrors.ts
@@ -68,7 +68,7 @@ test('prints no matching version error when many dist-tags exist', async () => {
  expect.assertions(1)

  const err = Object.assign(new PnpmError('NO_MATCHING_VERSION', 'No matching version found for pnpm@1000.0.0'), {
-    packageMeta: loadJsonFile.sync(path.join(__dirname, 'pnpm-meta.json')),
+    packageMeta: loadJsonFile.sync(path.join(import.meta.dirname, 'pnpm-meta.json')),
  })
  logger.error(err, err)

@@ -94,7 +94,7 @@ test('prints no matching version error when only the latest dist-tag exists', as
  expect.assertions(1)

  const err = Object.assign(new PnpmError('NO_MATCHING_VERSION', 'No matching version found for is-positive@1000.0.0'), {
-    packageMeta: loadJsonFile.sync(path.join(__dirname, 'is-positive-meta.json')),
+    packageMeta: loadJsonFile.sync(path.join(import.meta.dirname, 'is-positive-meta.json')),
  })
  logger.error(err, err)

--- a/cli/default-reporter/test/tsconfig.json
+++ b/cli/default-reporter/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/cli/parse-cli-args/package.json
+++ b/cli/parse-cli-args/package.json
@@ -13,7 +13,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -25,7 +25,7 @@
  ],
  "scripts": {
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "prepublishOnly": "pnpm run compile",
    "start": "tsc --watch",
--- a/cli/parse-cli-args/test/tsconfig.json
+++ b/cli/parse-cli-args/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/completion/plugin-commands-completion/package.json
+++ b/completion/plugin-commands-completion/package.json
@@ -13,7 +13,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -26,7 +26,7 @@
  "scripts": {
    "start": "tsc --watch",
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "prepublishOnly": "pnpm run compile",
    "compile": "tsc --build && pnpm run lint --fix"
--- a/completion/plugin-commands-completion/src/completionServer.ts
+++ b/completion/plugin-commands-completion/src/completionServer.ts
@@ -1,6 +1,6 @@
 import { type CompletionItem, getShellFromEnv } from '@pnpm/tabtab'
 import { type CompletionFunc } from '@pnpm/command'
-import { split as splitCmd } from 'split-cmd'
+import { split as splitCmd } from 'split-cmd/index.modern.mjs'
 import tabtab from '@pnpm/tabtab'
 import {
  currentTypedWordType,
--- a/completion/plugin-commands-completion/src/getOptionType.ts
+++ b/completion/plugin-commands-completion/src/getOptionType.ts
@@ -1,5 +1,5 @@
 import nopt from '@pnpm/nopt'
-import omit from 'ramda/src/omit'
+import { omit } from 'ramda'

 export interface CompletionCtx {
  last: string
--- a/completion/plugin-commands-completion/test/tsconfig.json
+++ b/completion/plugin-commands-completion/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/config/config-writer/package.json
+++ b/config/config-writer/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
--- a/config/config-writer/src/index.ts
+++ b/config/config-writer/src/index.ts
@@ -1,7 +1,7 @@
 import { type ProjectManifest, type PnpmSettings } from '@pnpm/types'
 import { tryReadProjectManifest } from '@pnpm/read-project-manifest'
 import { updateWorkspaceManifest } from '@pnpm/workspace.manifest-writer'
-import equals from 'ramda/src/equals'
+import { equals } from 'ramda'

 export interface WriteSettingsOptions {
  updatedSettings: PnpmSettings
--- a/config/config/package.json
+++ b/config/config/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -28,7 +28,7 @@
    "prepublishOnly": "pnpm run compile",
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
    "test-with-preview": "ts-node test",
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "start": "tsc --watch",
    "compile": "tsc --build && pnpm run lint --fix"
--- a/config/config/src/getOptionsFromRootManifest.ts
+++ b/config/config/src/getOptionsFromRootManifest.ts
@@ -9,9 +9,7 @@ import {
  type ProjectManifest,
  type PnpmSettings,
 } from '@pnpm/types'
-import mapValues from 'ramda/src/map'
-import omit from 'ramda/src/omit'
-import pick from 'ramda/src/pick'
+import { map as mapValues, omit, pick } from 'ramda'
 import { globalWarn } from '@pnpm/logger'

 export type OptionsFromRootManifest = {
--- a/config/config/src/index.ts
+++ b/config/config/src/index.ts
@@ -216,7 +216,7 @@ export async function getConfig (opts: {
    if (warn) warnings.push(warn)
  }
  {
-    const warn = npmConfig.addFile(path.resolve(path.join(__dirname, 'pnpmrc')), 'pnpm-builtin')
+    const warn = npmConfig.addFile(path.resolve(path.join(import.meta.dirname, 'pnpmrc')), 'pnpm-builtin')
    if (warn) warnings.push(warn)
  }

--- a/config/config/src/readLocalConfig.ts
+++ b/config/config/src/readLocalConfig.ts
@@ -3,7 +3,7 @@ import util from 'util'
 import camelcaseKeys from 'camelcase-keys'
 import { envReplace } from '@pnpm/config.env-replace'
 import { readIniFile } from 'read-ini-file'
-import { parseField } from '@pnpm/npm-conf/lib/util'
+import { parseField } from '@pnpm/npm-conf/lib/util.js'
 import { types } from './types.js'

 export type LocalConfig = Record<string, string> & { hoist?: boolean }
--- a/config/config/src/types.ts
+++ b/config/config/src/types.ts
@@ -1,4 +1,4 @@
-import npmTypes from '@pnpm/npm-conf/lib/types'
+import npmTypes from '@pnpm/npm-conf/lib/types.js'

 export const types = Object.assign({
  'auto-install-peers': Boolean,
--- a/config/config/test/concurrency.test.ts
+++ b/config/config/test/concurrency.test.ts
@@ -1,5 +1,5 @@
-import os, { cpus } from 'os'
 import { jest } from '@jest/globals'
+import os, { cpus } from 'os'
 import { getDefaultWorkspaceConcurrency, resetAvailableParallelismCache, getWorkspaceConcurrency } from '../lib/concurrency.js'

 const hostCores = cpus().length
--- a/config/config/test/globalBinDir.test.ts
+++ b/config/config/test/globalBinDir.test.ts
@@ -6,7 +6,6 @@ import path from 'path'
 import pathName from 'path-name'
 import symlinkDir from 'symlink-dir'
 import { homedir } from 'os'
-import { getConfig } from '@pnpm/config'

 const globalBinDir = path.join(homedir(), '.local', 'pnpm')
 const isWindows = process.platform === 'win32'
@@ -19,8 +18,8 @@ jest.mock('@pnpm/npm-conf/lib/conf', () => {
    constructor (base: any, types: any) {
      super(base, types)
      const globalPrefixDirName = isWindows ? 'global-bin-dir-windows' : 'global-bin-dir'
-      this.prefix = this.globalPrefix = path.join(__dirname, globalPrefixDirName)
-      this.localPrefix = __dirname
+      this.prefix = this.globalPrefix = path.join(import.meta.dirname, globalPrefixDirName)
+      this.localPrefix = import.meta.dirname
    }

    get (name: string) {
@@ -36,6 +35,8 @@ jest.mock('@pnpm/npm-conf/lib/conf', () => {
  return MockedConf
 })

+const { getConfig } = await import('@pnpm/config')
+
 test('respects global-bin-dir in npmrc', async () => {
  const { config } = await getConfig({
    cliOptions: {
@@ -56,7 +57,7 @@ test('respects global-bin-dir rather than dir', async () => {
  const { config } = await getConfig({
    cliOptions: {
      global: true,
-      dir: __dirname,
+      dir: import.meta.dirname,
    },
    env: {
      [pathName]: `${globalBinDir}${path.delimiter}${process.env[pathName]!}`,
@@ -74,7 +75,7 @@ test('an exception is thrown when the global dir is not in PATH', async () => {
    getConfig({
      cliOptions: {
        global: true,
-        dir: __dirname,
+        dir: import.meta.dirname,
      },
      env: {
        [pathName]: process.env[pathName],
@@ -97,7 +98,7 @@ test('the global directory may be a symlink to a directory that is in PATH', asy
    cliOptions: {
      global: true,
      'global-bin-dir': globalBinDirSymlink,
-      dir: __dirname,
+      dir: import.meta.dirname,
    },
    env: {
      [pathName]: `${globalBinDirTarget}${path.delimiter}${process.env[pathName]!}`,
--- a/config/config/test/index.ts
+++ b/config/config/test/index.ts
@@ -2,8 +2,6 @@
 import fs from 'fs'
 import path from 'path'
 import PATH from 'path-name'
-import { getCurrentBranch } from '@pnpm/git-utils'
-import { getConfig } from '@pnpm/config'
 import loadNpmConf from '@pnpm/npm-conf'
 import { prepare, prepareEmpty } from '@pnpm/prepare'
 import { fixtures } from '@pnpm/test-fixtures'
@@ -11,7 +9,10 @@ import { jest } from '@jest/globals'

 import symlinkDir from 'symlink-dir'

-jest.mock('@pnpm/git-utils', () => ({ getCurrentBranch: jest.fn() }))
+jest.unstable_mockModule('@pnpm/git-utils', () => ({ getCurrentBranch: jest.fn() }))
+
+const { getConfig } = await import('@pnpm/config')
+const { getCurrentBranch } = await import('@pnpm/git-utils')

 // To override any local settings,
 // we force the default values of config
@@ -25,10 +26,10 @@ delete process.env.npm_config_node_version
 delete process.env.npm_config_fetch_retries

 const env = {
-  PNPM_HOME: __dirname,
-  [PATH]: __dirname,
+  PNPM_HOME: import.meta.dirname,
+  [PATH]: import.meta.dirname,
 }
-const f = fixtures(__dirname)
+const f = fixtures(import.meta.dirname)

 test('getConfig()', async () => {
  const { config } = await getConfig({
@@ -195,7 +196,7 @@ test('when using --global, link-workspace-packages, shared-workspace-lockfile an
 test('registries of scoped packages are read and normalized', async () => {
  const { config } = await getConfig({
    cliOptions: {
-      userconfig: path.join(__dirname, 'scoped-registries.ini'),
+      userconfig: path.join(import.meta.dirname, 'scoped-registries.ini'),
    },
    packageManager: {
      name: 'pnpm',
@@ -219,7 +220,7 @@ test('registries in current directory\'s .npmrc have bigger priority then global

  const { config } = await getConfig({
    cliOptions: {
-      userconfig: path.join(__dirname, 'scoped-registries.ini'),
+      userconfig: path.join(import.meta.dirname, 'scoped-registries.ini'),
    },
    packageManager: {
      name: 'pnpm',
@@ -607,7 +608,7 @@ test('all CLI options are added to the config', async () => {
 })

 test('local prefix search stops on pnpm-workspace.yaml', async () => {
-  const workspaceDir = path.join(__dirname, 'has-workspace-yaml')
+  const workspaceDir = path.join(import.meta.dirname, 'has-workspace-yaml')
  process.chdir(workspaceDir)
  const { config } = await getConfig({
    cliOptions: {},
@@ -621,7 +622,7 @@ test('local prefix search stops on pnpm-workspace.yaml', async () => {
 })

 test('reads workspacePackagePatterns', async () => {
-  const workspaceDir = path.join(__dirname, 'fixtures/pkg-with-valid-workspace-yaml')
+  const workspaceDir = path.join(import.meta.dirname, 'fixtures/pkg-with-valid-workspace-yaml')
  process.chdir(workspaceDir)
  const { config } = await getConfig({
    cliOptions: {},
@@ -636,7 +637,7 @@ test('reads workspacePackagePatterns', async () => {
 })

 test('setting workspace-concurrency to negative number', async () => {
-  const workspaceDir = path.join(__dirname, 'fixtures/pkg-with-valid-workspace-yaml')
+  const workspaceDir = path.join(import.meta.dirname, 'fixtures/pkg-with-valid-workspace-yaml')
  process.chdir(workspaceDir)
  const { config } = await getConfig({
    cliOptions: {
@@ -664,7 +665,7 @@ test('respects test-pattern', async () => {
    expect(config.testPattern).toBeUndefined()
  }
  {
-    const workspaceDir = path.join(__dirname, 'using-test-pattern')
+    const workspaceDir = path.join(import.meta.dirname, 'using-test-pattern')
    process.chdir(workspaceDir)
    const { config } = await getConfig({
      cliOptions: {},
@@ -830,7 +831,7 @@ test('getConfig() sets sideEffectsCacheRead and sideEffectsCacheWrite when side-
 test('getConfig() should read cafile', async () => {
  const { config } = await getConfig({
    cliOptions: {
-      cafile: path.join(__dirname, 'cafile.txt'),
+      cafile: path.join(import.meta.dirname, 'cafile.txt'),
    },
    packageManager: {
      name: 'pnpm',
--- a/config/config/test/readLocalConfig.test.ts
+++ b/config/config/test/readLocalConfig.test.ts
@@ -1,7 +1,7 @@
 import { fixtures } from '@pnpm/test-fixtures'
 import { readLocalConfig } from '@pnpm/config'

-const f = fixtures(__dirname)
+const f = fixtures(import.meta.dirname)

 test('readLocalConfig parse number field', async () => {
  const config = await readLocalConfig(f.find('has-number-setting'))
--- a/config/config/test/tsconfig.json
+++ b/config/config/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/config/deps-installer/package.json
+++ b/config/deps-installer/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -28,7 +28,7 @@
    "prepublishOnly": "pnpm run compile",
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
    "test-with-preview": "ts-node test",
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "start": "tsc --watch",
    "compile": "tsc --build && pnpm run lint --fix"
--- a/config/deps-installer/test/tsconfig.json
+++ b/config/deps-installer/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/config/matcher/package.json
+++ b/config/matcher/package.json
@@ -16,7 +16,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -28,7 +28,7 @@
  ],
  "scripts": {
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "prepublishOnly": "pnpm run compile",
    "compile": "tsc --build && pnpm run lint --fix"
--- a/config/matcher/test/tsconfig.json
+++ b/config/matcher/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/config/normalize-registries/package.json
+++ b/config/normalize-registries/package.json
@@ -13,7 +13,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
--- a/config/normalize-registries/src/index.ts
+++ b/config/normalize-registries/src/index.ts
@@ -1,6 +1,6 @@
 import { type Registries } from '@pnpm/types'
 import normalizeRegistryUrl from 'normalize-registry-url'
-import mapValues from 'ramda/src/map'
+import { map as mapValues } from 'ramda'

 export const DEFAULT_REGISTRIES: Registries = {
  default: 'https://registry.npmjs.org/',
--- a/config/package-is-installable/package.json
+++ b/config/package-is-installable/package.json
@@ -13,7 +13,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -25,7 +25,7 @@
  ],
  "scripts": {
    "start": "tsc --watch",
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
    "prepublishOnly": "pnpm run compile",
--- a/config/package-is-installable/test/checkPlatform.ts
+++ b/config/package-is-installable/test/checkPlatform.ts
@@ -1,6 +1,5 @@
 import { jest } from '@jest/globals'
 import type * as DetectLibc from 'detect-libc'
-import { checkPlatform } from '../lib/checkPlatform.js'

 const packageId = 'registry.npmjs.org/foo/1.0.0'

@@ -12,6 +11,8 @@ jest.mock('detect-libc', () => {
  }
 })

+const { checkPlatform } = await import('../lib/checkPlatform.js')
+
 test('target cpu wrong', () => {
  const target = {
    cpu: 'enten-cpu',
--- a/config/package-is-installable/test/tsconfig.json
+++ b/config/package-is-installable/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/config/parse-overrides/package.json
+++ b/config/parse-overrides/package.json
@@ -13,7 +13,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -24,7 +24,7 @@
    "!*.map"
  ],
  "scripts": {
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
    "prepublishOnly": "pnpm run compile",
--- a/config/parse-overrides/test/tsconfig.json
+++ b/config/parse-overrides/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/config/pick-registry-for-package/package.json
+++ b/config/pick-registry-for-package/package.json
@@ -13,7 +13,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -24,7 +24,7 @@
    "!*.map"
  ],
  "scripts": {
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
    "prepublishOnly": "pnpm run compile",
--- a/config/pick-registry-for-package/test/tsconfig.json
+++ b/config/pick-registry-for-package/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/config/plugin-commands-config/package.json
+++ b/config/plugin-commands-config/package.json
@@ -14,7 +14,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -26,7 +26,7 @@
  ],
  "scripts": {
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "prepublishOnly": "pnpm run compile",
    "compile": "tsc --build && pnpm run lint --fix"
--- a/config/plugin-commands-config/test/managingAuthSettings.test.ts
+++ b/config/plugin-commands-config/test/managingAuthSettings.test.ts
@@ -1,11 +1,12 @@
-import { config } from '@pnpm/plugin-commands-config'
-import { runNpm } from '@pnpm/run-npm'
 import { jest } from '@jest/globals'

-jest.mock('@pnpm/run-npm', () => ({
+jest.unstable_mockModule('@pnpm/run-npm', () => ({
  runNpm: jest.fn(),
 }))

+const { config } = await import('@pnpm/plugin-commands-config')
+const { runNpm } = await import('@pnpm/run-npm')
+
 describe.each(
  [
    '_auth',
@@ -21,7 +22,7 @@ describe.each(
    const configOpts = {
      dir: process.cwd(),
      cliOptions: {},
-      configDir: __dirname, // this doesn't matter, it won't be used
+      configDir: import.meta.dirname, // this doesn't matter, it won't be used
      rawConfig: {},
    }
    it(`should set ${key}`, async () => {
@@ -39,7 +40,7 @@ describe.each(
      json: true,
      dir: process.cwd(),
      cliOptions: {},
-      configDir: __dirname, // this doesn't matter, it won't be used
+      configDir: import.meta.dirname, // this doesn't matter, it won't be used
      rawConfig: {},
    }
    it(`should set ${key}`, async () => {
@@ -68,7 +69,7 @@ describe.each(
    json: true,
    dir: process.cwd(),
    cliOptions: {},
-    configDir: __dirname, // this doesn't matter, it won't be used
+    configDir: import.meta.dirname, // this doesn't matter, it won't be used
    rawConfig: {},
  }
  it(`${key} should reject a non-string value`, async () => {
@@ -87,7 +88,7 @@ describe.each(
  const configOpts = {
    dir: process.cwd(),
    cliOptions: {},
-    configDir: __dirname, // this doesn't matter, it won't be used
+    configDir: import.meta.dirname, // this doesn't matter, it won't be used
    rawConfig: {},
  }
  it('should set _auth', async () => {
--- a/config/plugin-commands-config/test/tsconfig.json
+++ b/config/plugin-commands-config/test/tsconfig.json
@@ -2,8 +2,9 @@
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "noEmit": false,
-    "outDir": "../test.lib",
-    "rootDir": "."
+    "outDir": "../node_modules/.test.lib",
+    "rootDir": "..",
+    "isolatedModules": true
  },
  "include": [
    "**/*.ts",
--- a/crypto/hash/package.json
+++ b/crypto/hash/package.json
@@ -15,7 +15,7 @@
  "bugs": {
    "url": "https://github.com/pnpm/pnpm/issues"
  },
-  "type": "commonjs",
+  "type": "module",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "exports": {
@@ -27,7 +27,7 @@
  ],
  "scripts": {
    "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\"",
-    "_test": "jest",
+    "_test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
    "test": "pnpm run compile && pnpm run _test",
    "prepublishOnly": "pnpm run compile",
    "compile": "tsc --build && pnpm run lint --fix"
--- a/Show More
+++ b/Show More