chore(*): refactor to use built-in --strip-types Node.js flag

eslint.config.mjs

@@ -17,6 +17,7 @@ export default [
         name: `fetch`,
         message: `Use fetch from sources/httpUtils.ts`,
       }],
+      '@typescript-eslint/consistent-type-imports': `error`,
       '@typescript-eslint/no-unused-vars': [`error`, {
         caughtErrors: `none`,
       }],

genlist.ts

@@ -1,5 +1,5 @@
 import {readFileSync} from 'fs';
-import semverCompare  from 'semver/functions/compare';
+import semverCompare  from 'semver/functions/compare.js';
 
 const lines = readFileSync(0, `utf8`).split(/\n/).filter(line => line);
 

mkshims.ts

@@ -2,13 +2,13 @@ import cmdShim                      from '@zkochan/cmd-shim';
 import fs                           from 'fs';
 import path                         from 'path';
 
-import {Engine}                     from './sources/Engine';
-import {SupportedPackageManagerSet} from './sources/types';
+import {Engine}                     from './sources/Engine.ts';
+import {SupportedPackageManagerSet} from './sources/types.ts';
 
 const engine = new Engine();
 
-const distDir = path.join(__dirname, `dist`);
-const shimsDir = path.join(__dirname, `shims`);
+const distDir = path.join(import.meta.dirname, `dist`);
+const shimsDir = path.join(import.meta.dirname, `shims`);
 
 const physicalNodewinDir = path.join(shimsDir, `nodewin`);
 const virtualNodewinDir = path.join(physicalNodewinDir, `node_modules/corepack`);
@@ -59,7 +59,7 @@ async function main() {
 
   // Last note: cmdShim generates shims with relative paths, so it doesn't matter
   // that the target files don't truly exist, as long as we mock the `stat` function.
-  const remapPath = (p: string) => path.resolve(__dirname, path.relative(virtualNodewinDir, p));
+  const remapPath = (p: string) => path.resolve(import.meta.dirname, path.relative(virtualNodewinDir, p));
 
   const easyStatFs = Object.assign(Object.create(fs), {
     readFile: (p: string, encoding: BufferEncoding, cb: (err: any, str: string) => void) => fs.readFile(remapPath(p), encoding, cb),

package.json

@@ -33,7 +33,6 @@
     "semver": "^7.6.3",
     "supports-color": "^10.0.0",
     "tar": "^7.5.11",
-    "tsx": "^4.16.2",
     "typescript": "^5.7.3",
     "v8-compile-cache": "^2.3.0",
     "vitest": "^4.0.5",
@@ -45,10 +44,10 @@
     }
   },
   "scripts": {
-    "build": "run clean && run build:bundle && tsx ./mkshims.ts",
+    "build": "run clean && run build:bundle && node ./mkshims.ts",
     "build:bundle": "esbuild ./sources/_lib.ts --bundle --platform=node --target=node22.22.2 --external:corepack --outfile='./dist/lib/corepack.cjs' --resolve-extensions='.ts,.mjs,.js'",
     "clean": "run rimraf dist shims",
-    "corepack": "tsx ./sources/_cli.ts",
+    "corepack": "node ./sources/_cli.ts",
     "lint": "eslint .",
     "prepack": "yarn build",
     "postpack": "run clean",

sources/Engine.ts

@@ -1,22 +1,24 @@
-import {UsageError}                                           from 'clipanion';
-import fs                                                     from 'fs';
-import path                                                   from 'path';
-import process                                                from 'process';
-import semverRcompare                                         from 'semver/functions/rcompare';
-import semverValid                                            from 'semver/functions/valid';
-import semverValidRange                                       from 'semver/ranges/valid';
-
-import defaultConfig                                          from '../config.json';
-
-import * as corepackUtils                                     from './corepackUtils';
-import * as debugUtils                                        from './debugUtils';
-import * as folderUtils                                       from './folderUtils';
-import type {NodeError}                                       from './nodeUtils';
-import * as semverUtils                                       from './semverUtils';
-import * as specUtils                                         from './specUtils';
-import {Config, Descriptor, LazyLocator, Locator}             from './types';
-import {SupportedPackageManagers, SupportedPackageManagerSet} from './types';
-import {isSupportedPackageManager, PackageManagerSpec}        from './types';
+import {UsageError}                                    from 'clipanion';
+import fs                                              from 'fs';
+import path                                            from 'path';
+import process                                         from 'process';
+import semverRcompare                                  from 'semver/functions/rcompare.js';
+import semverValid                                     from 'semver/functions/valid.js';
+import semverValidRange                                from 'semver/ranges/valid.js';
+
+import defaultConfig                                   from '../config.json' with {type: 'json'};
+
+import * as corepackUtils                              from './corepackUtils.ts';
+import * as debugUtils                                 from './debugUtils.ts';
+import * as folderUtils                                from './folderUtils.ts';
+import type {NodeError}                                from './nodeUtils.ts';
+import * as semverUtils                                from './semverUtils.ts';
+import * as specUtils                                  from './specUtils.ts';
+import type {Config, Descriptor, LazyLocator, Locator} from './types.ts';
+import type {SupportedPackageManagers}                 from './types.ts';
+import {SupportedPackageManagerSet}                    from './types.ts';
+import type {PackageManagerSpec}                       from './types.ts';
+import {isSupportedPackageManager}                     from './types.ts';
 
 export type PreparedPackageManagerInfo = Awaited<ReturnType<Engine[`ensurePackageManager`]>>;
 
@@ -94,7 +96,10 @@ export async function activatePackageManager(lastKnownGood: Record<string, strin
 }
 
 export class Engine {
-  constructor(public config: Config = defaultConfig as Config) {
+  config: Config;
+
+  constructor(config: Config = defaultConfig as Config) {
+    this.config = config;
   }
 
   getPackageManagerFor(binaryName: string): SupportedPackageManagers | null {
@@ -161,7 +166,7 @@ export class Engine {
   async getDefaultDescriptors() {
     const locators: Array<Descriptor> = [];
 
-    for (const name of SupportedPackageManagerSet as Set<SupportedPackageManagers>)
+    for (const name of SupportedPackageManagerSet)
       locators.push({name, range: await this.getDefaultVersion(name)});
 
     return locators;

sources/_cli.ts

@@ -1,3 +1,3 @@
-import {runMain} from './main';
+import {runMain} from './main.ts';
 
 runMain(process.argv.slice(2));

sources/_lib.ts

@@ -1 +1 @@
-export {runMain} from './main';
+export {runMain} from './main.ts';

sources/commands/Base.ts

@@ -1,9 +1,9 @@
-import {Command, UsageError}        from 'clipanion';
+import {Command, UsageError}             from 'clipanion';
 
-import {PreparedPackageManagerInfo} from '../Engine';
-import * as corepackUtils           from '../corepackUtils';
-import {Context}                    from '../main';
-import * as specUtils               from '../specUtils';
+import type {PreparedPackageManagerInfo} from '../Engine.ts';
+import * as corepackUtils                from '../corepackUtils.ts';
+import type {Context}                    from '../main.ts';
+import * as specUtils                    from '../specUtils.ts';
 
 export abstract class BaseCommand extends Command<Context> {
   async resolvePatternsToDescriptors({patterns}: {patterns: Array<string>}) {

sources/commands/Cache.ts

@@ -1,8 +1,8 @@
 import {Command}          from 'clipanion';
 import fs                 from 'fs';
 
-import {getInstallFolder} from '../folderUtils';
-import type {Context}     from '../main';
+import {getInstallFolder} from '../folderUtils.ts';
+import type {Context}     from '../main.ts';
 
 export class CacheCommand extends Command<Context> {
   static paths = [

sources/commands/Disable.ts

@@ -3,10 +3,10 @@ import fs                                                                from 'f
 import path                                                              from 'path';
 import which                                                             from 'which';
 
-import * as corepackUtils                                                from '../corepackUtils';
-import {Context}                                                         from '../main';
-import type {NodeError}                                                  from '../nodeUtils';
-import {isSupportedPackageManager, SupportedPackageManagerSetWithoutNpm} from '../types';
+import * as corepackUtils                                                from '../corepackUtils.ts';
+import type {Context}                                                    from '../main.ts';
+import type {NodeError}                                                  from '../nodeUtils.ts';
+import {isSupportedPackageManager, SupportedPackageManagerSetWithoutNpm} from '../types.ts';
 
 export class DisableCommand extends Command<Context> {
   static paths = [

sources/commands/Enable.ts

@@ -4,9 +4,9 @@ import fs                                                                from 'f
 import path                                                              from 'path';
 import which                                                             from 'which';
 
-import * as corepackUtils                                                from '../corepackUtils';
-import {Context}                                                         from '../main';
-import {isSupportedPackageManager, SupportedPackageManagerSetWithoutNpm} from '../types';
+import * as corepackUtils                                                from '../corepackUtils.ts';
+import type {Context}                                                    from '../main.ts';
+import {isSupportedPackageManager, SupportedPackageManagerSetWithoutNpm} from '../types.ts';
 
 export class EnableCommand extends Command<Context> {
   static paths = [

sources/commands/InstallGlobal.ts

@@ -1,12 +1,13 @@
-import {Command, Option, UsageError}                    from 'clipanion';
-import fs                                               from 'fs';
-import path                                             from 'path';
+import {Command, Option, UsageError} from 'clipanion';
+import fs                            from 'fs';
+import path                          from 'path';
 
-import * as folderUtils                                 from '../folderUtils';
-import * as specUtils                                   from '../specUtils';
-import {Descriptor, Locator, isSupportedPackageManager} from '../types';
+import * as folderUtils              from '../folderUtils.ts';
+import * as specUtils                from '../specUtils.ts';
+import type {Descriptor, Locator}    from '../types.ts';
+import {isSupportedPackageManager}   from '../types.ts';
 
-import {BaseCommand}                                    from './Base';
+import {BaseCommand}                 from './Base.ts';
 
 export class InstallGlobalCommand extends BaseCommand {
   static paths = [

sources/commands/InstallLocal.ts

@@ -1,6 +1,6 @@
 import {Command, UsageError} from 'clipanion';
 
-import {BaseCommand}         from './Base';
+import {BaseCommand}         from './Base.ts';
 
 export class InstallLocalCommand extends BaseCommand {
   static paths = [

sources/commands/Pack.ts

@@ -2,9 +2,9 @@ import {Command, Option, UsageError} from 'clipanion';
 import {mkdir}                       from 'fs/promises';
 import path                          from 'path';
 
-import * as folderUtils              from '../folderUtils';
+import * as folderUtils              from '../folderUtils.ts';
 
-import {BaseCommand}                 from './Base';
+import {BaseCommand}                 from './Base.ts';
 
 export class PackCommand extends BaseCommand {
   static paths = [

sources/commands/Up.ts

@@ -1,11 +1,11 @@
 import {Command, UsageError}           from 'clipanion';
-import semverMajor                     from 'semver/functions/major';
-import semverValid                     from 'semver/functions/valid';
-import semverValidRange                from 'semver/ranges/valid';
+import semverMajor                     from 'semver/functions/major.js';
+import semverValid                     from 'semver/functions/valid.js';
+import semverValidRange                from 'semver/ranges/valid.js';
 
-import type {SupportedPackageManagers} from '../types';
+import type {SupportedPackageManagers} from '../types.ts';
 
-import {BaseCommand}                   from './Base';
+import {BaseCommand}                   from './Base.ts';
 
 export class UpCommand extends BaseCommand {
   static paths = [

sources/commands/Use.ts

@@ -1,6 +1,6 @@
 import {Command, Option, UsageError} from 'clipanion';
 
-import {BaseCommand}                 from './Base';
+import {BaseCommand}                 from './Base.ts';
 
 export class UseCommand extends BaseCommand {
   static paths = [

sources/commands/deprecated/Hydrate.ts

@@ -2,9 +2,9 @@ import {Command, Option, UsageError} from 'clipanion';
 import {mkdir}                       from 'fs/promises';
 import path                          from 'path';
 
-import * as folderUtils              from '../../folderUtils';
-import {Context}                     from '../../main';
-import {isSupportedPackageManager}   from '../../types';
+import * as folderUtils              from '../../folderUtils.ts';
+import type {Context}                from '../../main.ts';
+import {isSupportedPackageManager}   from '../../types.ts';
 
 export class HydrateCommand extends Command<Context> {
   static paths = [

sources/commands/deprecated/Prepare.ts

@@ -2,10 +2,10 @@ import {Command, Option, UsageError} from 'clipanion';
 import {mkdir}                       from 'fs/promises';
 import path                          from 'path';
 
-import * as folderUtils              from '../../folderUtils';
-import {Context}                     from '../../main';
-import * as specUtils                from '../../specUtils';
-import {Descriptor}                  from '../../types';
+import * as folderUtils              from '../../folderUtils.ts';
+import type {Context}                from '../../main.ts';
+import * as specUtils                from '../../specUtils.ts';
+import type {Descriptor}             from '../../types.ts';
 
 export class PrepareCommand extends Command<Context> {
   static paths = [

sources/corepackUtils.ts

@@ -1,23 +1,23 @@
-import {createHash}                                            from 'crypto';
-import {once}                                                  from 'events';
-import fs                                                      from 'fs';
-import type {Dir}                                              from 'fs';
-import Module                                                  from 'module';
-import path                                                    from 'path';
-import Range                                                   from 'semver/classes/range';
-import SemVer                                                  from 'semver/classes/semver';
-import semverLt                                                from 'semver/functions/lt';
-import semverParse                                             from 'semver/functions/parse';
-import {setTimeout as setTimeoutPromise}                       from 'timers/promises';
-
-import * as engine                                             from './Engine';
-import * as debugUtils                                         from './debugUtils';
-import * as folderUtils                                        from './folderUtils';
-import * as httpUtils                                          from './httpUtils';
-import * as nodeUtils                                          from './nodeUtils';
-import * as npmRegistryUtils                                   from './npmRegistryUtils';
-import {RegistrySpec, Descriptor, Locator, PackageManagerSpec} from './types';
-import {BinList, BinSpec, InstallSpec, DownloadSpec}           from './types';
+import {createHash}                                                 from 'crypto';
+import {once}                                                       from 'events';
+import fs                                                           from 'fs';
+import type {Dir}                                                   from 'fs';
+import Module                                                       from 'module';
+import path                                                         from 'path';
+import Range                                                        from 'semver/classes/range.js';
+import SemVer                                                       from 'semver/classes/semver.js';
+import semverLt                                                     from 'semver/functions/lt.js';
+import semverParse                                                  from 'semver/functions/parse.js';
+import {setTimeout as setTimeoutPromise}                            from 'timers/promises';
+
+import * as engine                                                  from './Engine.ts';
+import * as debugUtils                                              from './debugUtils.ts';
+import * as folderUtils                                             from './folderUtils.ts';
+import * as httpUtils                                               from './httpUtils.ts';
+import * as nodeUtils                                               from './nodeUtils.ts';
+import * as npmRegistryUtils                                        from './npmRegistryUtils.ts';
+import type {RegistrySpec, Descriptor, Locator, PackageManagerSpec} from './types.ts';
+import type {BinList, BinSpec, InstallSpec, DownloadSpec}           from './types.ts';
 
 const YARN_SWITCH_REGEX = /[/\\]switch[/\\]bin[/\\]/;
 

sources/folderUtils.ts

@@ -4,7 +4,7 @@ import {homedir, tmpdir} from 'os';
 import {join}            from 'path';
 import process           from 'process';
 
-import type {NodeError}  from './nodeUtils';
+import type {NodeError}  from './nodeUtils.ts';
 
 /**
  * If the install folder structure changes then increment this number.

sources/httpUtils.ts

@@ -4,7 +4,7 @@ import {once}                     from 'events';
 import {stderr, stdin}            from 'process';
 import {Readable}                 from 'stream';
 
-import {DEFAULT_NPM_REGISTRY_URL} from './npmRegistryUtils';
+import {DEFAULT_NPM_REGISTRY_URL} from './npmRegistryUtils.ts';
 
 async function fetch(input: string | URL, init?: RequestInit) {
   if (process.env.COREPACK_ENABLE_NETWORK === `0`)