switch to ESM and update config/test wiring

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

eslint.config.cjs

@@ -62,7 +62,7 @@ module.exports = defineConfig([
       },
       parser: tsParser,
       ecmaVersion: 2023,
-      sourceType: 'commonjs'
+      sourceType: 'module'
     },
 
     rules: {
@@ -75,7 +75,7 @@ module.exports = defineConfig([
       'import/no-unresolved': [
         'error',
         {
-          ignore: ['csv-parse/sync', '@octokit/openapi-types']
+          ignore: ['\\.js$', 'csv-parse/sync', '@octokit/openapi-types', '@octokit/core', '@octokit/plugin-rest-endpoint-methods']
         }
       ],
       'jest/no-disabled-tests': 0

jest.config.cjs

@@ -38,13 +38,20 @@ module.exports = {
   setupFiles: ['dotenv/config'],
   testMatch: ['**/*.test.ts'],
   transform: {
-    '^.+\\.ts$': 'ts-jest'
+    '^.+\\.ts$': [
+      'ts-jest',
+      {
+        useESM: true
+      }
+    ]
   },
   moduleNameMapper: {
-    '^csv-parse/sync': '<rootDir>/node_modules/csv-parse/dist/cjs/sync.cjs'
+    '^csv-parse/sync': '<rootDir>/node_modules/csv-parse/dist/cjs/sync.cjs',
+    '^(\\.{1,2}/.*)\\.js$': '$1'
   },
+  extensionsToTreatAsEsm: ['.ts'],
   collectCoverageFrom: ['src/**/{!(index.ts),}.ts'],
   coveragePathIgnorePatterns: ['lib/', 'node_modules/', '__mocks__/', '__tests__/'],
-  testResultsProcessor: '<rootDir>/__tests__/testResultsProcessor.js',
+  testResultsProcessor: '<rootDir>/__tests__/testResultsProcessor.cjs',
   verbose: true
 };

jest.config.itg.cjs

@@ -21,11 +21,18 @@ module.exports = {
   testMatch: ['**/*.test.itg.ts'],
   testTimeout: 1800000, // 30 minutes
   transform: {
-    '^.+\\.ts$': 'ts-jest'
+    '^.+\\.ts$': [
+      'ts-jest',
+      {
+        useESM: true
+      }
+    ]
   },
   moduleNameMapper: {
-    '^csv-parse/sync': '<rootDir>/node_modules/csv-parse/dist/cjs/sync.cjs'
+    '^csv-parse/sync': '<rootDir>/node_modules/csv-parse/dist/cjs/sync.cjs',
+    '^(\\.{1,2}/.*)\\.js$': '$1'
   },
-  testResultsProcessor: '<rootDir>/__tests__/testResultsProcessor.js',
+  extensionsToTreatAsEsm: ['.ts'],
+  testResultsProcessor: '<rootDir>/__tests__/testResultsProcessor.cjs',
   verbose: false
 };

package.json

@@ -2,6 +2,7 @@
   "name": "@docker/actions-toolkit",
   "version": "0.0.0+unknown",
   "description": "Toolkit for Docker (GitHub) Actions",
+  "type": "module",
   "scripts": {
     "build": "tsc",
     "lint": "yarn run prettier && yarn run eslint",
@@ -12,9 +13,9 @@
     "prettier:fix": "prettier --write \"./**/*.ts\"",
     "test": "jest",
     "test:coverage": "jest --coverage",
-    "test:itg": "jest -c jest.config.itg.js --runInBand",
-    "test:itg-list": "jest -c jest.config.itg.js --listTests",
-    "test:itg-coverage": "jest -c jest.config.itg.js --coverage --runInBand"
+    "test:itg": "jest -c jest.config.itg.cjs --runInBand",
+    "test:itg-list": "jest -c jest.config.itg.cjs --listTests",
+    "test:itg-coverage": "jest -c jest.config.itg.cjs --coverage --runInBand"
   },
   "repository": {
     "type": "git",

src/buildkit/buildkit.ts

@@ -17,12 +17,12 @@
 import * as core from '@actions/core';
 import * as semver from 'semver';
 
-import {Buildx} from '../buildx/buildx';
-import {Builder} from '../buildx/builder';
-import {Docker} from '../docker/docker';
-import {Config} from './config';
+import {Buildx} from '../buildx/buildx.js';
+import {Builder} from '../buildx/builder.js';
+import {Docker} from '../docker/docker.js';
+import {Config} from './config.js';
 
-import {BuilderInfo, NodeInfo} from '../types/buildx/builder';
+import {BuilderInfo, NodeInfo} from '../types/buildx/builder.js';
 
 export interface BuildKitOpts {
   buildx?: Buildx;

src/buildkit/config.ts

@@ -16,7 +16,7 @@
 
 import fs from 'fs';
 
-import {Context} from '../context';
+import {Context} from '../context.js';
 
 export class Config {
   public resolveFromString(s: string): string {

src/buildkit/git.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {GitRef, GitURL, GitURLFragment, URLUserInfo} from '../types/buildkit/git';
+import {GitRef, GitURL, GitURLFragment, URLUserInfo} from '../types/buildkit/git.js';
 
 export class Git {
   private static protoRegexp = new RegExp('^[a-zA-Z0-9]+://');

src/buildx/bake.ts

@@ -18,15 +18,15 @@ import fs from 'fs';
 import path from 'path';
 import {parse} from 'csv-parse/sync';
 
-import {Buildx} from './buildx';
-import {Context} from '../context';
-import {Exec} from '../exec';
-import {Util} from '../util';
+import {Buildx} from './buildx.js';
+import {Context} from '../context.js';
+import {Exec} from '../exec.js';
+import {Util} from '../util.js';
 
 import {ExecOptions} from '@actions/exec';
-import {AttestEntry, BakeDefinition, CacheEntry, ExportEntry, SecretEntry, SSHEntry} from '../types/buildx/bake';
-import {BuildMetadata} from '../types/buildx/build';
-import {VertexWarning} from '../types/buildkit/client';
+import {AttestEntry, BakeDefinition, CacheEntry, ExportEntry, SecretEntry, SSHEntry} from '../types/buildx/bake.js';
+import {BuildMetadata} from '../types/buildx/build.js';
+import {VertexWarning} from '../types/buildkit/client.js';
 
 export interface BakeOpts {
   buildx?: Buildx;

src/buildx/build.ts

@@ -19,14 +19,14 @@ import path from 'path';
 import * as core from '@actions/core';
 import {parse} from 'csv-parse/sync';
 
-import {Buildx} from './buildx';
-import {Context} from '../context';
-import {GitHub} from '../github';
-import {Util} from '../util';
+import {Buildx} from './buildx.js';
+import {Context} from '../context.js';
+import {GitHub} from '../github.js';
+import {Util} from '../util.js';
 
-import {BuildMetadata} from '../types/buildx/build';
-import {VertexWarning} from '../types/buildkit/client';
-import {ProvenancePredicate} from '../types/intoto/slsa_provenance/v0.2/provenance';
+import {BuildMetadata} from '../types/buildx/build.js';
+import {VertexWarning} from '../types/buildkit/client.js';
+import {ProvenancePredicate} from '../types/intoto/slsa_provenance/v0.2/provenance.js';
 
 export interface BuildOpts {
   buildx?: Buildx;

src/buildx/builder.ts

@@ -16,10 +16,10 @@
 
 import * as core from '@actions/core';
 
-import {Buildx} from './buildx';
-import {Exec} from '../exec';
+import {Buildx} from './buildx.js';
+import {Exec} from '../exec.js';
 
-import {BuilderInfo, Device, GCPolicy, NodeInfo} from '../types/buildx/builder';
+import {BuilderInfo, Device, GCPolicy, NodeInfo} from '../types/buildx/builder.js';
 
 export interface BuilderOpts {
   buildx?: Buildx;

src/buildx/buildx.ts

@@ -19,16 +19,16 @@ import path from 'path';
 import * as core from '@actions/core';
 import * as semver from 'semver';
 
-import {Git} from '../buildkit/git';
-import {Docker} from '../docker/docker';
-import {GitHub} from '../github';
-import {Exec} from '../exec';
-import {Util} from '../util';
+import {Git} from '../buildkit/git.js';
+import {Docker} from '../docker/docker.js';
+import {GitHub} from '../github.js';
+import {Exec} from '../exec.js';
+import {Util} from '../util.js';
 
-import {VertexWarning} from '../types/buildkit/client';
-import {GitURL} from '../types/buildkit/git';
-import {Cert, LocalRefsOpts, LocalRefsResponse, LocalState} from '../types/buildx/buildx';
-import {GitHubAnnotation} from '../types/github';
+import {VertexWarning} from '../types/buildkit/client.js';
+import {GitURL} from '../types/buildkit/git.js';
+import {Cert, LocalRefsOpts, LocalRefsResponse, LocalState} from '../types/buildx/buildx.js';
+import {GitHubAnnotation} from '../types/github.js';
 
 export interface BuildxOpts {
   standalone?: boolean;

src/buildx/history.ts

@@ -21,14 +21,14 @@ import path from 'path';
 import {Readable, Writable} from 'stream';
 import * as core from '@actions/core';
 
-import {Buildx} from './buildx';
-import {Context} from '../context';
-import {Docker} from '../docker/docker';
-import {Exec} from '../exec';
-import {GitHub} from '../github';
-import {Util} from '../util';
+import {Buildx} from './buildx.js';
+import {Context} from '../context.js';
+import {Docker} from '../docker/docker.js';
+import {Exec} from '../exec.js';
+import {GitHub} from '../github.js';
+import {Util} from '../util.js';
 
-import {ExportOpts, ExportResponse, InspectOpts, InspectResponse, Summaries} from '../types/buildx/history';
+import {ExportOpts, ExportResponse, InspectOpts, InspectResponse, Summaries} from '../types/buildx/history.js';
 
 export interface HistoryOpts {
   buildx?: Buildx;

src/buildx/imagetools.ts

@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-import {Buildx} from './buildx';
-import {Exec} from '../exec';
+import {Buildx} from './buildx.js';
+import {Exec} from '../exec.js';
 
-import {Manifest as ImageToolsManifest} from '../types/buildx/imagetools';
-import {Image} from '../types/oci/config';
-import {Descriptor, Platform} from '../types/oci/descriptor';
-import {Digest} from '../types/oci/digest';
+import {Manifest as ImageToolsManifest} from '../types/buildx/imagetools.js';
+import {Image} from '../types/oci/config.js';
+import {Descriptor, Platform} from '../types/oci/descriptor.js';
+import {Digest} from '../types/oci/digest.js';
 
 export interface ImageToolsOpts {
   buildx?: Buildx;

src/buildx/install.ts

@@ -22,17 +22,17 @@ import * as tc from '@actions/tool-cache';
 import * as semver from 'semver';
 import * as util from 'util';
 
-import {Buildx} from './buildx';
-import {Cache} from '../cache';
-import {Context} from '../context';
-import {Exec} from '../exec';
-import {Docker} from '../docker/docker';
-import {Git} from '../git';
-import {GitHub} from '../github';
-import {Util} from '../util';
+import {Buildx} from './buildx.js';
+import {Cache} from '../cache.js';
+import {Context} from '../context.js';
+import {Exec} from '../exec.js';
+import {Docker} from '../docker/docker.js';
+import {Git} from '../git.js';
+import {GitHub} from '../github.js';
+import {Util} from '../util.js';
 
-import {DownloadVersion} from '../types/buildx/buildx';
-import {GitHubRelease} from '../types/github';
+import {DownloadVersion} from '../types/buildx/buildx.js';
+import {GitHubRelease} from '../types/github.js';
 
 export interface InstallOpts {
   standalone?: boolean;

src/compose/compose.ts

@@ -16,8 +16,8 @@
 
 import * as core from '@actions/core';
 
-import {Docker} from '../docker/docker';
-import {Exec} from '../exec';
+import {Docker} from '../docker/docker.js';
+import {Exec} from '../exec.js';
 
 export interface ComposeOpts {
   standalone?: boolean;

src/compose/install.ts

@@ -22,13 +22,13 @@ import * as tc from '@actions/tool-cache';
 import * as semver from 'semver';
 import * as util from 'util';
 
-import {Cache} from '../cache';
-import {Context} from '../context';
-import {Docker} from '../docker/docker';
-import {GitHub} from '../github';
+import {Cache} from '../cache.js';
+import {Context} from '../context.js';
+import {Docker} from '../docker/docker.js';
+import {GitHub} from '../github.js';
 
-import {DownloadVersion} from '../types/compose/compose';
-import {GitHubRelease} from '../types/github';
+import {DownloadVersion} from '../types/compose/compose.js';
+import {GitHubRelease} from '../types/github.js';
 
 export interface InstallOpts {
   standalone?: boolean;

src/context.ts

@@ -20,7 +20,7 @@ import path from 'path';
 import * as tmp from 'tmp';
 import * as github from '@actions/github';
 
-import {GitHub} from './github';
+import {GitHub} from './github.js';
 
 export class Context {
   private static readonly _tmpDir = fs.mkdtempSync(path.join(Context.ensureDirExists(process.env.RUNNER_TEMP || os.tmpdir()), 'docker-actions-toolkit-'));

src/cosign/cosign.ts

@@ -17,9 +17,9 @@
 import * as core from '@actions/core';
 import {BUNDLE_V03_MEDIA_TYPE, SerializedBundle} from '@sigstore/bundle';
 
-import {Exec} from '../exec';
+import {Exec} from '../exec.js';
 import * as semver from 'semver';
-import {MEDIATYPE_EMPTY_JSON_V1} from '../types/oci/mediatype';
+import {MEDIATYPE_EMPTY_JSON_V1} from '../types/oci/mediatype.js';
 
 export interface CosignOpts {
   binPath?: string;

src/cosign/install.ts

@@ -25,17 +25,17 @@ import {toSignedEntity, toTrustMaterial, Verifier} from '@sigstore/verify';
 import * as semver from 'semver';
 import * as util from 'util';
 
-import {Buildx} from '../buildx/buildx';
-import {Cache} from '../cache';
-import {Context} from '../context';
-import {Exec} from '../exec';
-import {Git} from '../git';
-import {GitHub} from '../github';
-import {Util} from '../util';
+import {Buildx} from '../buildx/buildx.js';
+import {Cache} from '../cache.js';
+import {Context} from '../context.js';
+import {Exec} from '../exec.js';
+import {Git} from '../git.js';
+import {GitHub} from '../github.js';
+import {Util} from '../util.js';
 
-import {DownloadVersion} from '../types/cosign/cosign';
-import {GitHubRelease} from '../types/github';
-import {dockerfileContent} from './dockerfile';
+import {DownloadVersion} from '../types/cosign/cosign.js';
+import {GitHubRelease} from '../types/github.js';
+import {dockerfileContent} from './dockerfile.js';
 
 export interface DownloadOpts {
   version: string;

src/docker/assets.ts

@@ -15,7 +15,7 @@
  */
 
 import fs from 'fs';
-import {Context} from '../context';
+import {Context} from '../context.js';
 
 export const setupDockerWinPs1 = (): string => {
   return get('docker-setup-win.ps1', setupDockerWinPs1Data);

src/docker/docker.ts

@@ -21,12 +21,12 @@ import * as core from '@actions/core';
 import {ExecOptions, ExecOutput} from '@actions/exec';
 import * as io from '@actions/io';
 
-import {Context} from '../context';
-import {Cache} from '../cache';
-import {Exec} from '../exec';
-import {Util} from '../util';
+import {Context} from '../context.js';
+import {Cache} from '../cache.js';
+import {Exec} from '../exec.js';
+import {Util} from '../util.js';
 
-import {ConfigFile, ContextInfo} from '../types/docker/docker';
+import {ConfigFile, ContextInfo} from '../types/docker/docker.js';
 
 export class Docker {
   static get configDir(): string {

src/docker/install.ts

@@ -25,18 +25,18 @@ import * as core from '@actions/core';
 import * as io from '@actions/io';
 import * as tc from '@actions/tool-cache';
 
-import {Context} from '../context';
-import {Docker} from './docker';
-import {Exec} from '../exec';
-import {GitHub} from '../github';
-import {Regctl} from '../regclient/regctl';
-import {Undock} from '../undock/undock';
-import {Util} from '../util';
+import {Context} from '../context.js';
+import {Docker} from './docker.js';
+import {Exec} from '../exec.js';
+import {GitHub} from '../github.js';
+import {Regctl} from '../regclient/regctl.js';
+import {Undock} from '../undock/undock.js';
+import {Util} from '../util.js';
 
-import {limaYamlData, dockerServiceLogsPs1, setupDockerWinPs1} from './assets';
+import {limaYamlData, dockerServiceLogsPs1, setupDockerWinPs1} from './assets.js';
 
-import {GitHubRelease} from '../types/github';
-import {Image} from '../types/oci/config';
+import {GitHubRelease} from '../types/github.js';
+import {Image} from '../types/oci/config.js';
 
 export interface InstallSourceImage {
   type: 'image';

src/dockerhub.ts

@@ -18,7 +18,7 @@ import * as core from '@actions/core';
 import * as httpm from '@actions/http-client';
 import {HttpCodes} from '@actions/http-client';
 
-import {RepositoryRequest, RepositoryResponse, RepositoryTagsRequest, RepositoryTagsResponse, TokenRequest, TokenResponse, UpdateRepoDescriptionRequest} from './types/dockerhub';
+import {RepositoryRequest, RepositoryResponse, RepositoryTagsRequest, RepositoryTagsResponse, TokenRequest, TokenResponse, UpdateRepoDescriptionRequest} from './types/dockerhub.js';
 
 export interface DockerHubOpts {
   credentials: TokenRequest;

src/git.ts

@@ -18,11 +18,11 @@ import * as core from '@actions/core';
 import {Octokit} from '@octokit/core';
 import {restEndpointMethods} from '@octokit/plugin-rest-endpoint-methods';
 
-import {Exec} from './exec';
-import {GitHub} from './github';
+import {Exec} from './exec.js';
+import {GitHub} from './github.js';
 import {Context} from '@actions/github/lib/context';
 
-import {Context as GitContext} from './types/git';
+import {Context as GitContext} from './types/git.js';
 
 export class Git {
   public static async context(): Promise<GitContext> {

src/github.ts

@@ -36,9 +36,9 @@ import {TransferProgressEvent} from '@azure/core-rest-pipeline';
 import {BlobClient, BlobHTTPHeaders} from '@azure/storage-blob';
 import {jwtDecode, JwtPayload} from 'jwt-decode';
 
-import {Util} from './util';
+import {Util} from './util.js';
 
-import {BuildSummaryOpts, GitHubActionsRuntimeToken, GitHubActionsRuntimeTokenAC, GitHubContentOpts, GitHubRelease, GitHubRepo, UploadArtifactOpts, UploadArtifactResponse} from './types/github';
+import {BuildSummaryOpts, GitHubActionsRuntimeToken, GitHubActionsRuntimeTokenAC, GitHubContentOpts, GitHubRelease, GitHubRepo, UploadArtifactOpts, UploadArtifactResponse} from './types/github.js';
 
 export interface GitHubOpts {
   token?: string;

src/index.ts

@@ -16,7 +16,7 @@
 
 import * as core from '@actions/core';
 
-import {Cache} from './cache';
+import {Cache} from './cache.js';
 
 const isPost = !!process.env['STATE_isPost'];
 if (!isPost) {

src/oci/oci.ts

@@ -20,13 +20,13 @@ import * as path from 'path';
 import {Readable} from 'stream';
 import * as tar from 'tar-stream';
 
-import {Archive, LoadArchiveOpts} from '../types/oci/oci';
-import {Index} from '../types/oci';
-import {Platform} from '../types/oci/descriptor';
-import {Manifest} from '../types/oci/manifest';
-import {Image} from '../types/oci/config';
-import {IMAGE_BLOBS_DIR_V1, IMAGE_INDEX_FILE_V1, IMAGE_LAYOUT_FILE_V1, ImageLayout} from '../types/oci/layout';
-import {MEDIATYPE_IMAGE_INDEX_V1, MEDIATYPE_IMAGE_MANIFEST_V1} from '../types/oci/mediatype';
+import {Archive, LoadArchiveOpts} from '../types/oci/oci.js';
+import {Index} from '../types/oci/index.js';
+import {Platform} from '../types/oci/descriptor.js';
+import {Manifest} from '../types/oci/manifest.js';
+import {Image} from '../types/oci/config.js';
+import {IMAGE_BLOBS_DIR_V1, IMAGE_INDEX_FILE_V1, IMAGE_LAYOUT_FILE_V1, ImageLayout} from '../types/oci/layout.js';
+import {MEDIATYPE_IMAGE_INDEX_V1, MEDIATYPE_IMAGE_MANIFEST_V1} from '../types/oci/mediatype.js';
 
 export class OCI {
   public static defaultPlatform(): Platform {

src/regclient/install.ts

@@ -22,12 +22,12 @@ import * as tc from '@actions/tool-cache';
 import * as semver from 'semver';
 import * as util from 'util';
 
-import {Cache} from '../cache';
-import {Context} from '../context';
-import {GitHub} from '../github';
+import {Cache} from '../cache.js';
+import {Context} from '../context.js';
+import {GitHub} from '../github.js';
 
-import {GitHubRelease} from '../types/github';
-import {DownloadVersion} from '../types/regclient/regclient';
+import {GitHubRelease} from '../types/github.js';
+import {DownloadVersion} from '../types/regclient/regclient.js';
 
 export interface InstallOpts {
   githubToken?: string;

src/regclient/regctl.ts

@@ -17,9 +17,9 @@
 import * as core from '@actions/core';
 import * as semver from 'semver';
 
-import {Exec} from '../exec';
+import {Exec} from '../exec.js';
 
-import {Manifest} from '../types/oci/manifest';
+import {Manifest} from '../types/oci/manifest.js';
 
 export interface RegctlOpts {
   binPath?: string;

src/sigstore/sigstore.ts

@@ -22,13 +22,13 @@ import * as core from '@actions/core';
 import {bundleFromJSON, bundleToJSON} from '@sigstore/bundle';
 import {Artifact, Bundle, CIContextProvider, DSSEBundleBuilder, FulcioSigner, RekorWitness, TSAWitness, Witness} from '@sigstore/sign';
 
-import {Context} from '../context';
-import {Cosign} from '../cosign/cosign';
-import {Exec} from '../exec';
-import {GitHub} from '../github';
-import {ImageTools} from '../buildx/imagetools';
+import {Context} from '../context.js';
+import {Cosign} from '../cosign/cosign.js';
+import {Exec} from '../exec.js';
+import {GitHub} from '../github.js';
+import {ImageTools} from '../buildx/imagetools.js';
 
-import {MEDIATYPE_PAYLOAD as INTOTO_MEDIATYPE_PAYLOAD, Subject} from '../types/intoto/intoto';
+import {MEDIATYPE_PAYLOAD as INTOTO_MEDIATYPE_PAYLOAD, Subject} from '../types/intoto/intoto.js';
 import {
   Endpoints,
   FULCIO_URL,
@@ -44,7 +44,7 @@ import {
   VerifySignedArtifactsResult,
   VerifySignedManifestsOpts,
   VerifySignedManifestsResult
-} from '../types/sigstore/sigstore';
+} from '../types/sigstore/sigstore.js';
 
 export interface SigstoreOpts {
   cosign?: Cosign;

src/toolkit.ts

@@ -14,22 +14,22 @@
  * limitations under the License.
  */
 
-import {GitHub} from './github';
-import {Buildx} from './buildx/buildx';
-import {Build as BuildxBuild} from './buildx/build';
-import {Bake as BuildxBake} from './buildx/bake';
-import {Install as BuildxInstall} from './buildx/install';
-import {Builder} from './buildx/builder';
-import {BuildKit} from './buildkit/buildkit';
-import {Compose} from './compose/compose';
-import {Install as ComposeInstall} from './compose/install';
-import {Cosign} from './cosign/cosign';
-import {Install as CosignInstall} from './cosign/install';
-import {Regctl} from './regclient/regctl';
-import {Install as RegctlInstall} from './regclient/install';
-import {Undock} from './undock/undock';
-import {Install as UndockInstall} from './undock/install';
-import {Sigstore} from './sigstore/sigstore';
+import {GitHub} from './github.js';
+import {Buildx} from './buildx/buildx.js';
+import {Build as BuildxBuild} from './buildx/build.js';
+import {Bake as BuildxBake} from './buildx/bake.js';
+import {Install as BuildxInstall} from './buildx/install.js';
+import {Builder} from './buildx/builder.js';
+import {BuildKit} from './buildkit/buildkit.js';
+import {Compose} from './compose/compose.js';
+import {Install as ComposeInstall} from './compose/install.js';
+import {Cosign} from './cosign/cosign.js';
+import {Install as CosignInstall} from './cosign/install.js';
+import {Regctl} from './regclient/regctl.js';
+import {Install as RegctlInstall} from './regclient/install.js';
+import {Undock} from './undock/undock.js';
+import {Install as UndockInstall} from './undock/install.js';
+import {Sigstore} from './sigstore/sigstore.js';
 
 export interface ToolkitOpts {
   /**

src/types/buildkit/client.ts

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-import {Digest} from '../oci/digest';
-import {ProgressGroup, Range, SourceInfo} from './ops';
+import {Digest} from '../oci/digest.js';
+import {ProgressGroup, Range, SourceInfo} from './ops.js';
 
 // https://github.com/moby/buildkit/blob/v0.14.0/client/graph.go#L10-L19
 export interface Vertex {

src/types/buildkit/control.ts

@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-import {Descriptor} from '../oci/descriptor';
-import {Digest} from '../oci/digest';
-import {ProgressGroup, Range, SourceInfo} from './ops';
-import {RpcStatus} from './rpc';
+import {Descriptor} from '../oci/descriptor.js';
+import {Digest} from '../oci/digest.js';
+import {ProgressGroup, Range, SourceInfo} from './ops.js';
+import {RpcStatus} from './rpc.js';
 
 // https://github.com/moby/buildkit/blob/v0.14.0/api/services/control/control.pb.go#L1504-L1525
 export interface BuildHistoryRecord {

src/types/buildx/buildx.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {GitHubContentOpts} from '../github';
+import {GitHubContentOpts} from '../github.js';
 
 export interface Cert {
   cacert?: string;

src/types/buildx/imagetools.ts

@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-import {Versioned} from '../oci/versioned';
-import {Descriptor} from '../oci/descriptor';
-import {Digest} from '../oci/digest';
+import {Versioned} from '../oci/versioned.js';
+import {Descriptor} from '../oci/descriptor.js';
+import {Digest} from '../oci/digest.js';
 
 // https://github.com/docker/buildx/blob/62857022a08552bee5cad0c3044a9a3b185f0b32/util/imagetools/printers.go#L109-L123
 export interface Manifest extends Versioned {

src/types/compose/compose.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {GitHubContentOpts} from '../github';
+import {GitHubContentOpts} from '../github.js';
 
 export interface DownloadVersion {
   key: string;

src/types/cosign/cosign.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {GitHubContentOpts} from '../github';
+import {GitHubContentOpts} from '../github.js';
 
 export interface DownloadVersion {
   version: string;

src/types/github.ts

@@ -18,8 +18,8 @@ import {AnnotationProperties} from '@actions/core';
 import {components as OctoOpenApiTypes} from '@octokit/openapi-types';
 import {JwtPayload} from 'jwt-decode';
 
-import {BakeDefinition} from './buildx/bake';
-import {ExportResponse} from './buildx/history';
+import {BakeDefinition} from './buildx/bake.js';
+import {ExportResponse} from './buildx/history.js';
 
 export interface GitHubRelease {
   id: number;

src/types/oci/config.ts

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-import {Digest} from './digest';
-import {Platform} from './descriptor';
+import {Digest} from './digest.js';
+import {Platform} from './descriptor.js';
 
 export interface ImageConfig {
   User?: string;

src/types/oci/descriptor.ts

@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-import {Digest} from './digest';
+import {Digest} from './digest.js';
 
-import {MEDIATYPE_EMPTY_JSON_V1} from './mediatype';
+import {MEDIATYPE_EMPTY_JSON_V1} from './mediatype.js';
 
 export interface Descriptor {
   mediaType: string;

src/types/oci/index.ts

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-import {Versioned} from './versioned';
-import {Descriptor} from './descriptor';
+import {Versioned} from './versioned.js';
+import {Descriptor} from './descriptor.js';
 
 export interface Index extends Versioned {
   mediaType?: string;

src/types/oci/manifest.ts

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-import {Descriptor} from './descriptor';
-import {Versioned} from './versioned';
+import {Descriptor} from './descriptor.js';
+import {Versioned} from './versioned.js';
 
 export interface Manifest extends Versioned {
   mediaType?: string;

src/types/oci/oci.ts

@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-import {Index} from './index';
-import {ImageLayout} from './layout';
-import {Manifest} from './manifest';
-import {Image} from './config';
+import {Index} from './index.js';
+import {ImageLayout} from './layout.js';
+import {Manifest} from './manifest.js';
+import {Image} from './config.js';
 
 export interface LoadArchiveOpts {
   file: string;

src/types/regclient/regclient.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {GitHubContentOpts} from '../github';
+import {GitHubContentOpts} from '../github.js';
 
 export interface DownloadVersion {
   version: string;

src/types/sigstore/sigstore.ts

@@ -16,8 +16,8 @@
 
 import type {SerializedBundle} from '@sigstore/bundle';
 
-import {Subject} from '../intoto/intoto';
-import {Platform} from '../oci/descriptor';
+import {Subject} from '../intoto/intoto.js';
+import {Platform} from '../oci/descriptor.js';
 
 export const FULCIO_URL = 'https://fulcio.sigstore.dev';
 export const REKOR_URL = 'https://rekor.sigstore.dev';

src/types/undock/undock.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {GitHubContentOpts} from '../github';
+import {GitHubContentOpts} from '../github.js';
 
 export interface DownloadVersion {
   version: string;

src/undock/install.ts

@@ -22,12 +22,12 @@ import * as tc from '@actions/tool-cache';
 import * as semver from 'semver';
 import * as util from 'util';
 
-import {Cache} from '../cache';
-import {Context} from '../context';
-import {GitHub} from '../github';
+import {Cache} from '../cache.js';
+import {Context} from '../context.js';
+import {GitHub} from '../github.js';
 
-import {GitHubRelease} from '../types/github';
-import {DownloadVersion} from '../types/undock/undock';
+import {GitHubRelease} from '../types/github.js';
+import {DownloadVersion} from '../types/undock/undock.js';
 
 export interface InstallOpts {
   githubToken?: string;

src/undock/undock.ts

@@ -17,7 +17,7 @@
 import * as core from '@actions/core';
 import * as semver from 'semver';
 
-import {Exec} from '../exec';
+import {Exec} from '../exec.js';
 
 export interface UndockOpts {
   binPath?: string;

tsconfig.json

@@ -1,8 +1,8 @@
 {
   "compilerOptions": {
+    "module": "es2020",
+    "moduleResolution": "bundler",
     "esModuleInterop": true,
-    "target": "es6",
-    "module": "node16",
     "isolatedModules": true,
     "strict": true,
     "declaration": true,
@@ -14,6 +14,7 @@
     "noImplicitAny": false,
     "resolveJsonModule": true,
     "useUnknownInCatchVariables": false,
+    "skipLibCheck": true,
   },
   "exclude": [
     "./__mocks__/**/*",