feat!: publish in dual format

.babelrc

@@ -0,0 +1,19 @@
+{
+    "presets": [
+      "@babel/preset-typescript",
+      "@babel/env"
+    ],
+    "plugins": [
+      [
+        "replace-import-extension",
+        {
+          "extMapping": {
+            ".js": ".cjs"
+          }
+        }
+      ],
+      "./node_modules/gapic-tools/build/src/replaceESMMockingLib.js",
+      "./node_modules/gapic-tools/build/src/replaceImportMetaUrl.js",
+      "./node_modules/gapic-tools/build/src/toggleESMFlagVariable.js"
+    ]
+  }

.github/sync-repo-settings.yaml

@@ -8,9 +8,9 @@ branchProtectionRules:
       - "ci/kokoro: Samples test"
       - "ci/kokoro: System test"
       - lint
-      - test (14)
-      - test (16)
       - test (18)
+      - test (20)
+      - test (22)
       - cla/google
       - windows
       - OwlBot Post Processor

.github/workflows/ci.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [14, 16, 18, 20]
+        node: [18, 20, 22, 24]
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3

.gitignore

@@ -7,3 +7,7 @@ package-lock.json
 __pycache__
 .coverage
 docs/
+.DS_Store
+**/*.d.ts
+*.d.ts
+**/**.d.ts

.mocharc.cjs

@@ -0,0 +1,29 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+const config = {
+  "enable-source-maps": true,
+  "throw-deprecation": true,
+  "timeout": 10000,
+  "recursive": true
+}
+if (process.env.MOCHA_THROW_DEPRECATION === 'false') {
+  delete config['throw-deprecation'];
+}
+if (process.env.MOCHA_REPORTER) {
+  config.reporter = process.env.MOCHA_REPORTER;
+}
+if (process.env.MOCHA_REPORTER_OUTPUT) {
+  config['reporter-option'] = `output=${process.env.MOCHA_REPORTER_OUTPUT}`;
+}
+module.exports = config

.prettierrc.cjs

@@ -0,0 +1,17 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+module.exports = {
+  ...require('gts/.prettierrc.json')
+}

src/index.ts → esm/src/index.ts

@@ -64,10 +64,7 @@ export interface GetTokenOptions {
 }
 
 class ErrorWithCode extends Error {
-  constructor(
-    message: string,
-    public code: string
-  ) {
+  constructor(message: string, code: string) {
     super(message);
   }
 }

system-test/system.ts → esm/system-test/system.ts

@@ -7,7 +7,7 @@
 
 import * as assert from 'assert';
 import {describe, it} from 'mocha';
-import {GoogleToken} from '../src';
+import {GoogleToken} from '../src/index.js';
 import {copyFileSync, readFileSync} from 'fs';
 
 // gtoken requires a file extension to determine key type:

esm/system-test/test.install.ts

@@ -0,0 +1,70 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import {describe, it} from 'mocha';
+import {packNTest} from 'pack-n-play';
+
+/**
+ * Optionally keep the staging directory between tests.
+ */
+
+describe('pack-n-play', () => {
+  it('supports ESM', async () => {
+    await packNTest({
+      sample: {
+        description: 'import as ESM',
+        esm: `
+          import {GoogleToken} from 'gtoken';
+
+          async function main() {
+            const gtoken = new GoogleToken();
+          }
+          main();
+          `,
+      },
+    });
+  });
+
+  it('supports CJS', async () => {
+    await packNTest({
+      sample: {
+        description: 'require as CJS',
+        cjs: `
+          const {GoogleToken} = require('gtoken');
+          async function main() {
+            const gtoken = new GoogleToken();
+          }
+          main();
+          `,
+      },
+    });
+  });
+
+  it('TypeScript', async function () {
+    this.timeout(300000);
+    await packNTest({
+      packageDir: process.cwd(),
+      sample: {
+        description: 'TypeScript user can use the type definitions',
+        ts: `
+            import {GoogleToken} from 'gtoken';
+            async function main() {
+               const gtoken = new GoogleToken();
+            }
+            main();
+           `,
+      },
+    });
+  });
+});

esm/test/index.d.ts

@@ -0,0 +1,7 @@
+/**
+ * Copyright 2018 Google LLC
+ *
+ * Distributed under MIT license.
+ * See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+ */
+export {};