Print node, npm and yarn versions after installation (#368)

feat: add volta as node-version-file

.github/workflows/versions.yml

@@ -35,13 +35,21 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [lts/dubnium, lts/erbium, lts/fermium, lts/*]
+        node-version: [lts/dubnium, lts/erbium, lts/fermium, lts/*, lts/-1]
     steps:
       - uses: actions/checkout@v3
       - name: Setup Node
         uses: ./
         with:
           node-version: ${{ matrix.node-version }}
+          check-latest: true
+      - if: runner.os != 'Windows'
+        name: Verify node and npm
+        run: |
+          . "$NVM_DIR/nvm.sh"
+          [[ $(nvm version-remote "${{ matrix.node-version }}") =~ ^v([^.]+) ]]
+          __tests__/verify-node.sh "${BASH_REMATCH[1]}"
+        shell: bash
 
   manifest:
     runs-on: ${{ matrix.os }}
@@ -84,14 +92,33 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
+        node-version-file: [.nvmrc, .tool-versions, package.json]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Remove volta from package.json
+        shell: bash
+        run: cat <<< "$(jq 'del(.volta)' ./__tests__/data/package.json)" > ./__tests__/data/package.json
+      - name: Setup node from node version file
+        uses: ./
+        with:
+          node-version-file: '__tests__/data/${{ matrix.node-version-file }}'
+      - name: Verify node
+        run: __tests__/verify-node.sh 14
+
+  version-file-volta:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
     steps:
       - uses: actions/checkout@v3
       - name: Setup node from node version file
         uses: ./
         with:
-          node-version-file: '__tests__/data/.nvmrc'
+          node-version-file: '__tests__/data/package.json'
       - name: Verify node
-        run: __tests__/verify-node.sh 14
+        run: __tests__/verify-node.sh 16
 
   node-dist:
     runs-on: ${{ matrix.os }}
@@ -139,3 +166,34 @@ jobs:
       - name: Verify node
         run: __tests__/verify-arch.sh "ia32"
         shell: bash
+
+  node-latest-aliases:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        node-version: [current, latest, node]
+    steps:
+      - name: Get node version
+        run: |
+          latestNodeVersion=$(curl https://nodejs.org/dist/index.json | jq -r '. [0].version')
+          echo "::set-output name=LATEST_NODE_VERSION::$latestNodeVersion"
+        id: version
+        shell: bash
+      - uses: actions/checkout@v3
+      - name: Setup Node
+        uses: ./
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Retrieve version after install
+        run: |
+          updatedVersion=$(echo $(node --version))
+          echo "::set-output name=NODE_VERSION_UPDATED::$updatedVersion"
+        id: updatedVersion
+        shell: bash
+      - name: Compare versions
+        if: ${{ steps.version.outputs.LATEST_NODE_VERSION != steps.updatedVersion.outputs.NODE_VERSION_UPDATED}}
+        run: |
+          echo "Latest node version failed to download."
+          exit 1

.licenses/npm/@actions/cache.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@actions/cache"
-version: 2.0.0
+version: 3.0.4
 type: npm
 summary: Actions cache lib
 homepage: https://github.com/actions/toolkit/tree/main/packages/cache

.licenses/npm/@actions/core.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@actions/core"
-version: 1.6.0
+version: 1.9.1
 type: npm
 summary: Actions core lib
 homepage: https://github.com/actions/toolkit/tree/main/packages/core

.licenses/npm/@actions/http-client-2.0.1.dep.yml

@@ -0,0 +1,32 @@
+---
+name: "@actions/http-client"
+version: 2.0.1
+type: npm
+summary: Actions Http Client
+homepage: https://github.com/actions/toolkit/tree/main/packages/http-client
+license: mit
+licenses:
+- sources: LICENSE
+  text: |
+    Actions Http Client for Node.js
+
+    Copyright (c) GitHub, Inc.
+
+    All rights reserved.
+
+    MIT License
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+    associated documentation files (the "Software"), to deal in the Software without restriction,
+    including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+    subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+    LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+    NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+notices: []

.licenses/npm/@azure/core-asynciterator-polyfill.dep.yml

@@ -1,32 +1,32 @@
 ---
 name: "@azure/core-asynciterator-polyfill"
-version: 1.0.0
+version: 1.0.2
 type: npm
 summary: Polyfill for IE/Node 8 for Symbol.asyncIterator
-homepage: https://github.com/Azure/azure-sdk-for-js/tree/master/sdk/core/core-asynciterator-polyfill
+homepage: https://github.com/Azure/azure-sdk-for-js/tree/main/sdk/core/core-asynciterator-polyfill/README.md
 license: mit
 licenses:
 - sources: LICENSE
-  text: |2
-        MIT License
+  text: |
+    The MIT License (MIT)
 
-        Copyright (c) Microsoft Corporation. All rights reserved.
+    Copyright (c) 2020 Microsoft
 
-        Permission is hereby granted, free of charge, to any person obtaining a copy
-        of this software and associated documentation files (the "Software"), to deal
-        in the Software without restriction, including without limitation the rights
-        to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-        copies of the Software, and to permit persons to whom the Software is
-        furnished to do so, subject to the following conditions:
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
 
-        The above copyright notice and this permission notice shall be included in all
-        copies or substantial portions of the Software.
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
 
-        THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-        IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-        FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-        AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-        LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-        OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-        SOFTWARE
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
 notices: []

.licenses/npm/@azure/core-http.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@azure/core-http"
-version: 2.2.2
+version: 2.2.4
 type: npm
 summary: Isomorphic client Runtime for Typescript/node.js/browser javascript client
   libraries generated using AutoRest

.licenses/npm/@azure/core-lro.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@azure/core-lro"
-version: 2.2.1
+version: 2.2.4
 type: npm
 summary: Isomorphic client library for supporting long-running operations in node.js
   and browser.

.licenses/npm/@azure/core-paging.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@azure/core-paging"
-version: 1.2.0
+version: 1.2.1
 type: npm
 summary: Core types for paging async iterable iterators
 homepage: https://github.com/Azure/azure-sdk-for-js/tree/main/sdk/core/core-paging/README.md

.licenses/npm/@azure/ms-rest-js.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@azure/ms-rest-js"
-version: 2.6.0
+version: 2.6.1
 type: npm
 summary: Isomorphic client Runtime for Typescript/node.js/browser javascript client
   libraries generated using AutoRest

.licenses/npm/@azure/storage-blob.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@azure/storage-blob"
-version: 12.8.0
+version: 12.9.0
 type: npm
 summary: Microsoft Azure Storage SDK for JavaScript - Blob
 homepage: https://github.com/Azure/azure-sdk-for-js/blob/main/sdk/storage/storage-blob/

.licenses/npm/@opentelemetry/api.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@opentelemetry/api"
-version: 1.0.3
+version: 1.0.4
 type: npm
 summary: Public API for OpenTelemetry
 homepage: https://github.com/open-telemetry/opentelemetry-js-api#readme
@@ -218,10 +218,6 @@ licenses:
     [discussions-url]: https://github.com/open-telemetry/opentelemetry-js/discussions
     [license-url]: https://github.com/open-telemetry/opentelemetry-js-api/blob/main/LICENSE
     [license-image]: https://img.shields.io/badge/license-Apache_2.0-green.svg?style=flat
-    [dependencies-image]: https://status.david-dm.org/gh/open-telemetry/opentelemetry-js-api.svg
-    [dependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-api
-    [devDependencies-image]: https://status.david-dm.org/gh/open-telemetry/opentelemetry-js-api.svg?type=dev
-    [devDependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-api?type=dev
     [npm-url]: https://www.npmjs.com/package/@opentelemetry/api
     [npm-img]: https://badge.fury.io/js/%40opentelemetry%2Fapi.svg
     [docs-tracing]: https://github.com/open-telemetry/opentelemetry-js-api/blob/main/docs/tracing.md

.licenses/npm/@types/node-fetch.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@types/node-fetch"
-version: 2.5.12
+version: 2.6.1
 type: npm
 summary: TypeScript definitions for node-fetch
 homepage: https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node-fetch

README.md

@@ -11,7 +11,7 @@ This action provides the following functionality for GitHub Actions users:
 - Registering problem matchers for error output
 - Configuring authentication for GPR or npm
 
-# Usage
+## Usage
 
 See [action.yml](action.yml)
 
@@ -22,8 +22,8 @@ steps:
 - uses: actions/checkout@v3
 - uses: actions/setup-node@v3
   with:
-    node-version: '14'
-- run: npm install
+    node-version: 16
+- run: npm ci
 - run: npm test
 ```
 
@@ -31,23 +31,38 @@ The `node-version` input is optional. If not supplied, the node version from PAT
 
 The action will first check the local cache for a semver match. If unable to find a specific version in the cache, the action will attempt to download a version of Node.js. It will pull LTS versions from [node-versions releases](https://github.com/actions/node-versions/releases) and on miss or failure will fall back to the previous behavior of downloading directly from [node dist](https://nodejs.org/dist/).
 
-For information regarding locally cached versions of Node.js on GitHub hosted runners, check out [GitHub Actions Virtual Environments](https://github.com/actions/virtual-environments).
+For information regarding locally cached versions of Node.js on GitHub hosted runners, check out [GitHub Actions Runner Images](https://github.com/actions/runner-images).
 
-#### Supported version syntax
+### Supported version syntax
 
-The `node-version` input supports the following syntax:
+The `node-version` input supports the Semantic Versioning Specification, for more detailed examples please refer to the [documentation](https://github.com/npm/node-semver).
 
-major versions: `12`, `14`, `16`
-more specific versions: `10.15`, `14.2.0`, `16.3.0`
-nvm lts syntax: `lts/erbium`, `lts/fermium`, `lts/*`
+Examples:
 
-## Caching packages dependencies
+ - Major versions: `14`, `16`, `18`
+ - More specific versions: `10.15`, `16.15.1` , `18.4.0`
+ - NVM LTS syntax: `lts/erbium`, `lts/fermium`, `lts/*`, `lts/-n`
+ - Latest release: `*` or `latest`/`current`/`node`
 
-The action has a built-in functionality for caching and restoring dependencies. It uses [actions/cache](https://github.com/actions/cache) under the hood for caching dependencies but requires less configuration settings. Supported package managers are `npm`, `yarn`, `pnpm` (v6.10+). The `cache` input is optional, and caching is turned off by default.
+**Note:** Like the other values, `*` will get the latest [locally-cached Node.js version](https://github.com/actions/runner-images/blob/main/images/linux/Ubuntu2204-Readme.md#nodejs), or the latest version from [actions/node-versions](https://github.com/actions/node-versions/blob/main/versions-manifest.json), depending on the [`check-latest`](docs/advanced-usage.md#check-latest-version) input.
 
-The action defaults to search for the dependency file (`package-lock.json` or `yarn.lock`) in the repository root, and uses its hash as a part of the cache key. Use `cache-dependency-path` for cases when multiple dependency files are used, or they are located in different subdirectories.
+`current`/`latest`/`node` always resolve to the latest [dist version](https://nodejs.org/dist/index.json).
+That version is then downloaded from actions/node-versions if possible, or directly from Node.js if not.
+Since it will not be cached always, there is possibility of hitting rate limit when downloading from dist
 
-See the examples of using cache for `yarn` / `pnpm` and  `cache-dependency-path` input in the [Advanced usage](docs/advanced-usage.md#caching-packages-dependencies) guide.
+### Checking in lockfiles
+
+It's **always** recommended to commit the lockfile of your package manager for security and performance reasons. For more information consult the "Working with lockfiles" section of the [Advanced usage](docs/advanced-usage.md#working-with-lockfiles) guide.
+
+## Caching global packages data
+
+The action has a built-in functionality for caching and restoring dependencies. It uses [actions/cache](https://github.com/actions/cache) under the hood for caching global packages data but requires less configuration settings. Supported package managers are `npm`, `yarn`, `pnpm` (v6.10+). The `cache` input is optional, and caching is turned off by default.
+
+The action defaults to search for the dependency file (`package-lock.json`, `npm-shrinkwrap.json` or `yarn.lock`) in the repository root, and uses its hash as a part of the cache key. Use `cache-dependency-path` for cases when multiple dependency files are used, or they are located in different subdirectories.
+
+**Note:** The action does not cache `node_modules`
+
+See the examples of using cache for `yarn`/`pnpm` and `cache-dependency-path` input in the [Advanced usage](docs/advanced-usage.md#caching-packages-data) guide.
 
 **Caching npm dependencies:**
 
@@ -56,9 +71,9 @@ steps:
 - uses: actions/checkout@v3
 - uses: actions/setup-node@v3
   with:
-    node-version: '14'
+    node-version: 16
     cache: 'npm'
-- run: npm install
+- run: npm ci
 - run: npm test
 ```
 
@@ -69,14 +84,14 @@ steps:
 - uses: actions/checkout@v3
 - uses: actions/setup-node@v3
   with:
-    node-version: '14'
+    node-version: 16
     cache: 'npm'
     cache-dependency-path: subdir/package-lock.json
-- run: npm install
+- run: npm ci
 - run: npm test
 ```
 
-## Matrix Testing:
+## Matrix Testing
 
 ```yaml
 jobs:
@@ -84,7 +99,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [ '12', '14', '16' ]
+        node: [ 14, 16, 18 ]
     name: Node ${{ matrix.node }} sample
     steps:
       - uses: actions/checkout@v3
@@ -92,7 +107,7 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node }}
-      - run: npm install
+      - run: npm ci
       - run: npm test
 ```
 
@@ -101,20 +116,20 @@ jobs:
 1. [Check latest version](docs/advanced-usage.md#check-latest-version)
 2. [Using a node version file](docs/advanced-usage.md#node-version-file)
 3. [Using different architectures](docs/advanced-usage.md#architecture)
-4. [Caching packages dependencies](docs/advanced-usage.md#caching-packages-dependencies)
+4. [Caching packages data](docs/advanced-usage.md#caching-packages-data)
 5. [Using multiple operating systems and architectures](docs/advanced-usage.md#multiple-operating-systems-and-architectures)
 6. [Publishing to npmjs and GPR with npm](docs/advanced-usage.md#publish-to-npmjs-and-gpr-with-npm)
 7. [Publishing to npmjs and GPR with yarn](docs/advanced-usage.md#publish-to-npmjs-and-gpr-with-yarn)
 8. [Using private packages](docs/advanced-usage.md#use-private-packages)
 
-# License
+## License
 
 The scripts and documentation in this project are released under the [MIT License](LICENSE)
 
-# Contributions
+## Contributions
 
-Contributions are welcome!  See [Contributor's Guide](docs/contributors.md)
+Contributions are welcome! See [Contributor's Guide](docs/contributors.md)
 
 ## Code of Conduct
 
-:wave: Be nice.  See [our code of conduct](CONDUCT)
+:wave: Be nice. See [our code of conduct](CODE_OF_CONDUCT.md)

__tests__/cache-save.test.ts

@@ -294,6 +294,63 @@ describe('run', () => {
       );
       expect(setFailedSpy).not.toHaveBeenCalled();
     });
+
+    it('save with -1 cacheId , should not fail workflow', async () => {
+      inputs['cache'] = 'npm';
+      getStateSpy.mockImplementation((name: string) => {
+        if (name === State.CacheMatchedKey) {
+          return npmFileHash;
+        } else {
+          return yarnFileHash;
+        }
+      });
+      getCommandOutputSpy.mockImplementationOnce(() => `${commonPath}/npm`);
+      saveCacheSpy.mockImplementation(() => {
+        return -1;
+      });
+
+      await run();
+
+      expect(getInputSpy).toHaveBeenCalled();
+      expect(getStateSpy).toHaveBeenCalledTimes(2);
+      expect(getCommandOutputSpy).toHaveBeenCalledTimes(1);
+      expect(debugSpy).toHaveBeenCalledWith(`npm path is ${commonPath}/npm`);
+      expect(infoSpy).not.toHaveBeenCalledWith(
+        `Cache hit occurred on the primary key ${npmFileHash}, not saving cache.`
+      );
+      expect(saveCacheSpy).toHaveBeenCalled();
+      expect(infoSpy).not.toHaveBeenLastCalledWith(
+        `Cache saved with the key: ${yarnFileHash}`
+      );
+      expect(setFailedSpy).not.toHaveBeenCalled();
+    });
+
+    it('saves with error from toolkit, should fail workflow', async () => {
+      inputs['cache'] = 'npm';
+      getStateSpy.mockImplementation((name: string) => {
+        if (name === State.CacheMatchedKey) {
+          return npmFileHash;
+        } else {
+          return yarnFileHash;
+        }
+      });
+      getCommandOutputSpy.mockImplementationOnce(() => `${commonPath}/npm`);
+      saveCacheSpy.mockImplementation(() => {
+        throw new cache.ValidationError('Validation failed');
+      });
+
+      await run();
+
+      expect(getInputSpy).toHaveBeenCalled();
+      expect(getStateSpy).toHaveBeenCalledTimes(2);
+      expect(getCommandOutputSpy).toHaveBeenCalledTimes(1);
+      expect(debugSpy).toHaveBeenCalledWith(`npm path is ${commonPath}/npm`);
+      expect(infoSpy).not.toHaveBeenCalledWith(
+        `Cache hit occurred on the primary key ${npmFileHash}, not saving cache.`
+      );
+      expect(saveCacheSpy).toHaveBeenCalled();
+      expect(setFailedSpy).toHaveBeenCalled();
+    });
   });
 
   afterEach(() => {

__tests__/data/.tool-versions

@@ -0,0 +1 @@
+nodejs 14.0.0

__tests__/data/package.json

@@ -0,0 +1,8 @@
+{
+  "engines": {
+    "node": "^14.0.0"
+  },
+  "volta": {
+    "node": "16.0.0"
+  }
+}

__tests__/data/versions-manifest.json

@@ -1,157 +1,183 @@
 [
-    {
-      "version": "14.0.0",
-      "stable": true,
-      "lts": "Fermium",
-      "release_url": "https://github.com/actions/node-versions/releases/tag/14.0.0-20200423.30",
-      "files": [
-        {
-          "filename": "node-14.0.0-darwin-x64.tar.gz",
-          "arch": "x64",
-          "platform": "darwin",
-          "download_url": "https://github.com/actions/node-versions/releases/download/14.0.0-20200423.30/node-14.0.0-darwin-x64.tar.gz"
-        },
-        {
-          "filename": "node-14.0.0-linux-x64.tar.gz",
-          "arch": "x64",
-          "platform": "linux",
-          "download_url": "https://github.com/actions/node-versions/releases/download/14.0.0-20200423.30/node-14.0.0-linux-x64.tar.gz"
-        },
-        {
-          "filename": "node-14.0.0-win32-x64.zip",
-          "arch": "x64",
-          "platform": "win32",
-          "download_url": "https://github.com/actions/node-versions/releases/download/14.0.0-20200423.30/node-14.0.0-win32-x64.zip"
-        }
-      ]
-    },
-    {
-      "version": "13.13.0",
-      "stable": true,
-      "release_url": "https://github.com/actions/node-versions/releases/tag/13.13.0-20200423.29",
-      "files": [
-        {
-          "filename": "node-13.13.0-darwin-x64.tar.gz",
-          "arch": "x64",
-          "platform": "darwin",
-          "download_url": "https://github.com/actions/node-versions/releases/download/13.13.0-20200423.29/node-13.13.0-darwin-x64.tar.gz"
-        },
-        {
-          "filename": "node-13.13.0-linux-x64.tar.gz",
-          "arch": "x64",
-          "platform": "linux",
-          "download_url": "https://github.com/actions/node-versions/releases/download/13.13.0-20200423.29/node-13.13.0-linux-x64.tar.gz"
-        },
-        {
-          "filename": "node-13.13.0-win32-x64.zip",
-          "arch": "x64",
-          "platform": "win32",
-          "download_url": "https://github.com/actions/node-versions/releases/download/13.13.0-20200423.29/node-13.13.0-win32-x64.zip"
-        }
-      ]
-    },
-    {
-      "version": "12.16.2",
-      "stable": true,
-      "lts": "Erbium",
-      "release_url": "https://github.com/actions/node-versions/releases/tag/12.16.2-20200423.28",
-      "files": [
-        {
-          "filename": "node-12.16.2-darwin-x64.tar.gz",
-          "arch": "x64",
-          "platform": "darwin",
-          "download_url": "https://github.com/actions/node-versions/releases/download/12.16.2-20200423.28/node-12.16.2-darwin-x64.tar.gz"
-        },
-        {
-          "filename": "node-12.16.2-linux-x64.tar.gz",
-          "arch": "x64",
-          "platform": "linux",
-          "download_url": "https://github.com/actions/node-versions/releases/download/12.16.2-20200423.28/node-12.16.2-linux-x64.tar.gz"
-        },
-        {
-          "filename": "node-12.16.2-win32-x64.zip",
-          "arch": "x64",
-          "platform": "win32",
-          "download_url": "https://github.com/actions/node-versions/releases/download/12.16.2-20200423.28/node-12.16.2-win32-x64.zip"
-        }
-      ]
-    },
-    {
-      "version": "10.20.1",
-      "stable": true,
-      "lts": "Dubnium",
-      "release_url": "https://github.com/actions/node-versions/releases/tag/10.20.1-20200423.27",
-      "files": [
-        {
-          "filename": "node-10.20.1-darwin-x64.tar.gz",
-          "arch": "x64",
-          "platform": "darwin",
-          "download_url": "https://github.com/actions/node-versions/releases/download/10.20.1-20200423.27/node-10.20.1-darwin-x64.tar.gz"
-        },
-        {
-          "filename": "node-10.20.1-linux-x64.tar.gz",
-          "arch": "x64",
-          "platform": "linux",
-          "download_url": "https://github.com/actions/node-versions/releases/download/10.20.1-20200423.27/node-10.20.1-linux-x64.tar.gz"
-        },
-        {
-          "filename": "node-10.20.1-win32-x64.zip",
-          "arch": "x64",
-          "platform": "win32",
-          "download_url": "https://github.com/actions/node-versions/releases/download/10.20.1-20200423.27/node-10.20.1-win32-x64.zip"
-        }
-      ]
-    },
-    {
-      "version": "8.17.0",
-      "stable": true,
-      "lts": "Carbon",
-      "release_url": "https://github.com/actions/node-versions/releases/tag/8.17.0-20200423.26",
-      "files": [
-        {
-          "filename": "node-8.17.0-darwin-x64.tar.gz",
-          "arch": "x64",
-          "platform": "darwin",
-          "download_url": "https://github.com/actions/node-versions/releases/download/8.17.0-20200423.26/node-8.17.0-darwin-x64.tar.gz"
-        },
-        {
-          "filename": "node-8.17.0-linux-x64.tar.gz",
-          "arch": "x64",
-          "platform": "linux",
-          "download_url": "https://github.com/actions/node-versions/releases/download/8.17.0-20200423.26/node-8.17.0-linux-x64.tar.gz"
-        },
-        {
-          "filename": "node-8.17.0-win32-x64.zip",
-          "arch": "x64",
-          "platform": "win32",
-          "download_url": "https://github.com/actions/node-versions/releases/download/8.17.0-20200423.26/node-8.17.0-win32-x64.zip"
-        }
-      ]
-    },
-    {
-      "version": "6.17.1",
-      "stable": true,
-      "lts": "Boron",
-      "release_url": "https://github.com/actions/node-versions/releases/tag/6.17.1-20200423.25",
-      "files": [
-        {
-          "filename": "node-6.17.1-darwin-x64.tar.gz",
-          "arch": "x64",
-          "platform": "darwin",
-          "download_url": "https://github.com/actions/node-versions/releases/download/6.17.1-20200423.25/node-6.17.1-darwin-x64.tar.gz"
-        },
-        {
-          "filename": "node-6.17.1-linux-x64.tar.gz",
-          "arch": "x64",
-          "platform": "linux",
-          "download_url": "https://github.com/actions/node-versions/releases/download/6.17.1-20200423.25/node-6.17.1-linux-x64.tar.gz"
-        },
-        {
-          "filename": "node-6.17.1-win32-x64.zip",
-          "arch": "x64",
-          "platform": "win32",
-          "download_url": "https://github.com/actions/node-versions/releases/download/6.17.1-20200423.25/node-6.17.1-win32-x64.zip"
-        }
-      ]
-    }
-  ]
+  {
+    "version": "14.0.0",
+    "stable": true,
+    "lts": "Fermium",
+    "release_url": "https://github.com/actions/node-versions/releases/tag/14.0.0-20200507.99",
+    "files": [
+      {
+        "filename": "node-14.0.0-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/14.0.0-20200507.99/node-14.0.0-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "node-14.0.0-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/14.0.0-20200507.99/node-14.0.0-linux-x64.tar.gz"
+      },
+      {
+        "filename": "node-14.0.0-win32-x64.7z",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/14.0.0-20200507.99/node-14.0.0-win32-x64.7z"
+      }
+    ]
+  },
+  {
+    "version": "13.13.0",
+    "stable": true,
+    "release_url": "https://github.com/actions/node-versions/releases/tag/13.13.0-20200507.97",
+    "files": [
+      {
+        "filename": "node-13.13.0-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/13.13.0-20200507.97/node-13.13.0-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "node-13.13.0-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/13.13.0-20200507.97/node-13.13.0-linux-x64.tar.gz"
+      },
+      {
+        "filename": "node-13.13.0-win32-x64.7z",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/13.13.0-20200507.97/node-13.13.0-win32-x64.7z"
+      }
+    ]
+  },
+  {
+    "version": "12.16.2",
+    "stable": true,
+    "lts": "Erbium",
+    "release_url": "https://github.com/actions/node-versions/releases/tag/12.16.2-20200507.95",
+    "files": [
+      {
+        "filename": "node-12.16.2-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/12.16.2-20200507.95/node-12.16.2-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "node-12.16.2-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/12.16.2-20200507.95/node-12.16.2-linux-x64.tar.gz"
+      },
+      {
+        "filename": "node-12.16.2-win32-x64.7z",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/12.16.2-20200507.95/node-12.16.2-win32-x64.7z"
+      }
+    ]
+  },
+  {
+    "version": "12.0.0",
+    "stable": true,
+    "lts": "Erbium",
+    "release_url": "https://github.com/actions/node-versions/releases/tag/12.0.0-20200507.71",
+    "files": [
+      {
+        "filename": "node-12.0.0-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/12.0.0-20200507.71/node-12.0.0-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "node-12.0.0-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/12.0.0-20200507.71/node-12.0.0-linux-x64.tar.gz"
+      },
+      {
+        "filename": "node-12.0.0-win32-x64.7z",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/12.0.0-20200507.71/node-12.0.0-win32-x64.7z"
+      }
+    ]
+  },
+  {
+    "version": "10.20.1",
+    "stable": true,
+    "lts": "Dubnium",
+    "release_url": "https://github.com/actions/node-versions/releases/tag/10.20.1-20200507.70",
+    "files": [
+      {
+        "filename": "node-10.20.1-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/10.20.1-20200507.70/node-10.20.1-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "node-10.20.1-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/10.20.1-20200507.70/node-10.20.1-linux-x64.tar.gz"
+      },
+      {
+        "filename": "node-10.20.1-win32-x64.7z",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/10.20.1-20200507.70/node-10.20.1-win32-x64.7z"
+      }
+    ]
+  },
+  {
+    "version": "8.17.0",
+    "stable": true,
+    "lts": "Carbon",
+    "release_url": "https://github.com/actions/node-versions/releases/tag/8.17.0-20200507.37",
+    "files": [
+      {
+        "filename": "node-8.17.0-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/8.17.0-20200507.37/node-8.17.0-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "node-8.17.0-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/8.17.0-20200507.37/node-8.17.0-linux-x64.tar.gz"
+      },
+      {
+        "filename": "node-8.17.0-win32-x64.7z",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/8.17.0-20200507.37/node-8.17.0-win32-x64.7z"
+      }
+    ]
+  },
+  {
+    "version": "6.17.1",
+    "stable": true,
+    "lts": "Boron",
+    "release_url": "https://github.com/actions/node-versions/releases/tag/6.17.1-20200529.2",
+    "files": [
+      {
+        "filename": "node-6.17.1-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/6.17.1-20200529.2/node-6.17.1-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "node-6.17.1-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/6.17.1-20200529.2/node-6.17.1-linux-x64.tar.gz"
+      },
+      {
+        "filename": "node-6.17.1-win32-x64.7z",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/6.17.1-20200529.2/node-6.17.1-win32-x64.7z"
+      }
+    ]
+  }
+]

__tests__/installer.test.ts

@@ -1,12 +1,14 @@
 import * as core from '@actions/core';
 import * as io from '@actions/io';
 import * as tc from '@actions/tool-cache';
+import * as exec from '@actions/exec';
 import * as im from '../src/installer';
 import * as cache from '@actions/cache';
 import fs from 'fs';
 import cp from 'child_process';
 import osm = require('os');
 import path from 'path';
+import each from 'jest-each';
 import * as main from '../src/main';
 import * as auth from '../src/authutil';
 
@@ -38,6 +40,7 @@ describe('setup-node', () => {
   let authSpy: jest.SpyInstance;
   let parseNodeVersionSpy: jest.SpyInstance;
   let isCacheActionAvailable: jest.SpyInstance;
+  let getExecOutputSpy: jest.SpyInstance;
 
   beforeEach(() => {
     // @actions/core
@@ -103,6 +106,10 @@ describe('setup-node', () => {
       // uncomment to debug
       // process.stderr.write('log:' + line + '\n');
     });
+
+    // @actions/exec
+    getExecOutputSpy = jest.spyOn(exec, 'getExecOutput');
+    getExecOutputSpy.mockImplementation(() => 'v16.15.0');
   });
 
   afterEach(() => {
@@ -126,7 +133,7 @@ describe('setup-node', () => {
       'mocktoken'
     );
     expect(versions).toBeDefined();
-    expect(versions?.length).toBe(6);
+    expect(versions?.length).toBe(7);
   });
 
   it('can mock dist versions', async () => {
@@ -135,50 +142,28 @@ describe('setup-node', () => {
     expect(versions?.length).toBe(23);
   });
 
-  it('can find 12.16.2 from manifest on osx', async () => {
-    os.platform = 'darwin';
-    os.arch = 'x64';
-    let versions: tc.IToolRelease[] | null = await tc.getManifestFromRepo(
-      'actions',
-      'node-versions',
-      'mocktoken'
-    );
-    expect(versions).toBeDefined();
-    let match = await tc.findFromManifest('12.16.2', true, versions);
-    expect(match).toBeDefined();
-    expect(match?.version).toBe('12.16.2');
-    expect((match as any).lts).toBe('Erbium');
-  });
-
-  it('can find 12 from manifest on linux', async () => {
-    os.platform = 'linux';
-    os.arch = 'x64';
-    let versions: tc.IToolRelease[] | null = await tc.getManifestFromRepo(
-      'actions',
-      'node-versions',
-      'mocktoken'
-    );
-    expect(versions).toBeDefined();
-    let match = await tc.findFromManifest('12.16.2', true, versions);
-    expect(match).toBeDefined();
-    expect(match?.version).toBe('12.16.2');
-    expect((match as any).lts).toBe('Erbium');
-  });
-
-  it('can find 10 from manifest on windows', async () => {
-    os.platform = 'win32';
-    os.arch = 'x64';
-    let versions: tc.IToolRelease[] | null = await tc.getManifestFromRepo(
-      'actions',
-      'node-versions',
-      'mocktoken'
-    );
-    expect(versions).toBeDefined();
-    let match = await tc.findFromManifest('10', true, versions);
-    expect(match).toBeDefined();
-    expect(match?.version).toBe('10.20.1');
-    expect((match as any).lts).toBe('Dubnium');
-  });
+  it.each([
+    ['12.16.2', 'darwin', '12.16.2', 'Erbium'],
+    ['12', 'linux', '12.16.2', 'Erbium'],
+    ['10', 'win32', '10.20.1', 'Dubnium'],
+    ['*', 'linux', '14.0.0', 'Fermium']
+  ])(
+    'can find %s from manifest on %s',
+    async (versionSpec, platform, expectedVersion, expectedLts) => {
+      os.platform = platform;
+      os.arch = 'x64';
+      let versions: tc.IToolRelease[] | null = await tc.getManifestFromRepo(
+        'actions',
+        'node-versions',
+        'mocktoken'
+      );
+      expect(versions).toBeDefined();
+      let match = await tc.findFromManifest(versionSpec, true, versions);
+      expect(match).toBeDefined();
+      expect(match?.version).toBe(expectedVersion);
+      expect((match as any).lts).toBe(expectedLts);
+    }
+  );
 
   //--------------------------------------------------
   // Found in cache tests
@@ -250,7 +235,7 @@ describe('setup-node', () => {
     inputs['token'] = 'faketoken';
 
     let expectedUrl =
-      'https://github.com/actions/node-versions/releases/download/12.16.2-20200423.28/node-12.16.2-linux-x64.tar.gz';
+      'https://github.com/actions/node-versions/releases/download/12.16.2-20200507.95/node-12.16.2-linux-x64.tar.gz';
 
     // ... but not in the local cache
     findSpy.mockImplementation(() => '');
@@ -264,6 +249,21 @@ describe('setup-node', () => {
 
     let expPath = path.join(toolPath, 'bin');
 
+    expect(getExecOutputSpy).toHaveBeenCalledWith(
+      'node',
+      ['--version'],
+      expect.anything()
+    );
+    expect(getExecOutputSpy).toHaveBeenCalledWith(
+      'npm',
+      ['--version'],
+      expect.anything()
+    );
+    expect(getExecOutputSpy).toHaveBeenCalledWith(
+      'yarn',
+      ['--version'],
+      expect.anything()
+    );
     expect(dlSpy).toHaveBeenCalled();
     expect(exSpy).toHaveBeenCalled();
     expect(logSpy).toHaveBeenCalledWith(
@@ -288,7 +288,7 @@ describe('setup-node', () => {
     inputs['token'] = 'faketoken';
 
     let expectedUrl =
-      'https://github.com/actions/node-versions/releases/download/12.16.2-20200423.28/node-12.16.2-linux-x64.tar.gz';
+      'https://github.com/actions/node-versions/releases/download/12.16.2-20200507.95/node-12.16.2-linux-x64.tar.gz';
 
     // ... but not in the local cache
     findSpy.mockImplementation(() => '');
@@ -457,7 +457,7 @@ describe('setup-node', () => {
       exSpy.mockImplementation(async () => '/some/other/temp/path');
       cacheSpy.mockImplementation(async () => toolPath);
       const expectedUrl =
-        'https://github.com/actions/node-versions/releases/download/12.16.2-20200423.28/node-12.16.2-linux-x64.tar.gz';
+        'https://github.com/actions/node-versions/releases/download/12.16.2-20200507.95/node-12.16.2-linux-x64.tar.gz';
 
       await main.run();
 
@@ -590,6 +590,34 @@ describe('setup-node', () => {
       process.env['GITHUB_WORKSPACE'] = path.join(__dirname, 'data');
       inputs['node-version-file'] = versionFile;
 
+      parseNodeVersionSpy.mockImplementation(() => expectedVersionSpec);
+      existsSpy.mockImplementationOnce(
+        input => input === path.join(__dirname, 'data', versionFile)
+      );
+
+      // Act
+      await main.run();
+
+      // Assert
+      expect(existsSpy).toHaveBeenCalledTimes(1);
+      expect(existsSpy).toHaveReturnedWith(true);
+      expect(parseNodeVersionSpy).toHaveBeenCalledWith(versionSpec);
+      expect(logSpy).toHaveBeenCalledWith(
+        `Resolved ${versionFile} as ${expectedVersionSpec}`
+      );
+    });
+
+    it('reads package.json as node-version-file if provided', async () => {
+      // Arrange
+      const versionSpec = fs.readFileSync(
+        path.join(__dirname, 'data/package.json'),
+        'utf-8'
+      );
+      const versionFile = 'package.json';
+      const expectedVersionSpec = '14';
+      process.env['GITHUB_WORKSPACE'] = path.join(__dirname, 'data');
+      inputs['node-version-file'] = versionFile;
+
       parseNodeVersionSpy.mockImplementation(() => expectedVersionSpec);
       existsSpy.mockImplementationOnce(
         input => input === path.join(__dirname, 'data', versionFile)
@@ -699,145 +727,102 @@ describe('setup-node', () => {
       inputs.stable = 'true';
     });
 
-    it('find latest LTS version and resolve it from local cache (lts/erbium)', async () => {
-      // arrange
-      inputs['node-version'] = 'lts/erbium';
+    it.each([
+      ['erbium', '12.16.2'],
+      ['*', '14.0.0'],
+      ['-1', '12.16.2']
+    ])(
+      'find latest LTS version and resolve it from local cache (lts/%s)',
+      async (lts, expectedVersion) => {
+        // arrange
+        inputs['node-version'] = `lts/${lts}`;
 
-      const toolPath = path.normalize('/cache/node/12.16.2/x64');
-      findSpy.mockReturnValue(toolPath);
+        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
+        findSpy.mockReturnValue(toolPath);
 
-      // act
-      await main.run();
+        // act
+        await main.run();
 
-      // assert
-      expect(logSpy).toHaveBeenCalledWith(
-        'Attempt to resolve LTS alias from manifest...'
-      );
-      expect(dbgSpy).toHaveBeenCalledWith(
-        'Getting manifest from actions/node-versions@main'
-      );
-      expect(dbgSpy).not.toHaveBeenCalledWith('No manifest cached');
-      expect(dbgSpy).toHaveBeenCalledWith(
-        `LTS alias 'erbium' for Node version 'lts/erbium'`
-      );
-      expect(dbgSpy).toHaveBeenCalledWith(
-        `Found LTS release '12.16.2' for Node version 'lts/erbium'`
-      );
-      expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
-      expect(cnSpy).toHaveBeenCalledWith(
-        `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
-      );
-    });
+        // assert
+        expect(logSpy).toHaveBeenCalledWith(
+          'Attempt to resolve LTS alias from manifest...'
+        );
+        expect(dbgSpy).toHaveBeenCalledWith(
+          'Getting manifest from actions/node-versions@main'
+        );
+        expect(dbgSpy).not.toHaveBeenCalledWith('No manifest cached');
+        expect(dbgSpy).toHaveBeenCalledWith(
+          `LTS alias '${lts}' for Node version 'lts/${lts}'`
+        );
+        expect(dbgSpy).toHaveBeenCalledWith(
+          `Found LTS release '${expectedVersion}' for Node version 'lts/${lts}'`
+        );
+        expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+        expect(cnSpy).toHaveBeenCalledWith(
+          `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
+        );
+      }
+    );
 
-    it('find latest LTS version and install it from manifest (lts/erbium)', async () => {
-      // arrange
-      inputs['node-version'] = 'lts/erbium';
+    it.each([
+      [
+        'erbium',
+        '12.16.2',
+        'https://github.com/actions/node-versions/releases/download/12.16.2-20200507.95/node-12.16.2-linux-x64.tar.gz'
+      ],
+      [
+        '*',
+        '14.0.0',
+        'https://github.com/actions/node-versions/releases/download/14.0.0-20200507.99/node-14.0.0-linux-x64.tar.gz'
+      ],
+      [
+        '-1',
+        '12.16.2',
+        'https://github.com/actions/node-versions/releases/download/12.16.2-20200507.95/node-12.16.2-linux-x64.tar.gz'
+      ]
+    ])(
+      'find latest LTS version and install it from manifest (lts/%s)',
+      async (lts, expectedVersion, expectedUrl) => {
+        // arrange
+        inputs['node-version'] = `lts/${lts}`;
 
-      const toolPath = path.normalize('/cache/node/12.16.2/x64');
-      findSpy.mockImplementation(() => '');
-      dlSpy.mockImplementation(async () => '/some/temp/path');
-      exSpy.mockImplementation(async () => '/some/other/temp/path');
-      cacheSpy.mockImplementation(async () => toolPath);
-      const expectedUrl =
-        'https://github.com/actions/node-versions/releases/download/12.16.2-20200423.28/node-12.16.2-linux-x64.tar.gz';
+        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
+        findSpy.mockImplementation(() => '');
+        dlSpy.mockImplementation(async () => '/some/temp/path');
+        exSpy.mockImplementation(async () => '/some/other/temp/path');
+        cacheSpy.mockImplementation(async () => toolPath);
+        const expectedMajor = expectedVersion.split('.')[0];
 
-      // act
-      await main.run();
+        // act
+        await main.run();
 
-      // assert
-      expect(logSpy).toHaveBeenCalledWith(
-        'Attempt to resolve LTS alias from manifest...'
-      );
-      expect(dbgSpy).toHaveBeenCalledWith(
-        'Getting manifest from actions/node-versions@main'
-      );
-      expect(dbgSpy).not.toHaveBeenCalledWith('No manifest cached');
-      expect(dbgSpy).toHaveBeenCalledWith(
-        `LTS alias 'erbium' for Node version 'lts/erbium'`
-      );
-      expect(dbgSpy).toHaveBeenCalledWith(
-        `Found LTS release '12.16.2' for Node version 'lts/erbium'`
-      );
-      expect(logSpy).toHaveBeenCalledWith('Attempting to download 12...');
-      expect(logSpy).toHaveBeenCalledWith(
-        `Acquiring 12.16.2 - ${os.arch} from ${expectedUrl}`
-      );
-      expect(logSpy).toHaveBeenCalledWith('Extracting ...');
-      expect(logSpy).toHaveBeenCalledWith('Adding to the cache ...');
-      expect(cnSpy).toHaveBeenCalledWith(
-        `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
-      );
-    });
-
-    it('find latest LTS version and resolve it from local cache (lts/*)', async () => {
-      // arrange
-      inputs['node-version'] = 'lts/*';
-
-      const toolPath = path.normalize('/cache/node/14.0.0/x64');
-      findSpy.mockReturnValue(toolPath);
-
-      // act
-      await main.run();
-
-      // assert
-      expect(logSpy).toHaveBeenCalledWith(
-        'Attempt to resolve LTS alias from manifest...'
-      );
-      expect(dbgSpy).toHaveBeenCalledWith(
-        'Getting manifest from actions/node-versions@main'
-      );
-      expect(dbgSpy).not.toHaveBeenCalledWith('No manifest cached');
-      expect(dbgSpy).toHaveBeenCalledWith(
-        `LTS alias '*' for Node version 'lts/*'`
-      );
-      expect(dbgSpy).toHaveBeenCalledWith(
-        `Found LTS release '14.0.0' for Node version 'lts/*'`
-      );
-      expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
-      expect(cnSpy).toHaveBeenCalledWith(
-        `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
-      );
-    });
-
-    it('find latest LTS version and install it from manifest (lts/*)', async () => {
-      // arrange
-      inputs['node-version'] = 'lts/*';
-
-      const toolPath = path.normalize('/cache/node/14.0.0/x64');
-      findSpy.mockImplementation(() => '');
-      dlSpy.mockImplementation(async () => '/some/temp/path');
-      exSpy.mockImplementation(async () => '/some/other/temp/path');
-      cacheSpy.mockImplementation(async () => toolPath);
-      const expectedUrl =
-        'https://github.com/actions/node-versions/releases/download/14.0.0-20200423.30/node-14.0.0-linux-x64.tar.gz';
-
-      // act
-      await main.run();
-
-      // assert
-      expect(logSpy).toHaveBeenCalledWith(
-        'Attempt to resolve LTS alias from manifest...'
-      );
-      expect(dbgSpy).toHaveBeenCalledWith(
-        'Getting manifest from actions/node-versions@main'
-      );
-      expect(dbgSpy).not.toHaveBeenCalledWith('No manifest cached');
-      expect(dbgSpy).toHaveBeenCalledWith(
-        `LTS alias '*' for Node version 'lts/*'`
-      );
-      expect(dbgSpy).toHaveBeenCalledWith(
-        `Found LTS release '14.0.0' for Node version 'lts/*'`
-      );
-      expect(logSpy).toHaveBeenCalledWith('Attempting to download 14...');
-      expect(logSpy).toHaveBeenCalledWith(
-        `Acquiring 14.0.0 - ${os.arch} from ${expectedUrl}`
-      );
-      expect(logSpy).toHaveBeenCalledWith('Extracting ...');
-      expect(logSpy).toHaveBeenCalledWith('Adding to the cache ...');
-      expect(cnSpy).toHaveBeenCalledWith(
-        `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
-      );
-    });
+        // assert
+        expect(logSpy).toHaveBeenCalledWith(
+          'Attempt to resolve LTS alias from manifest...'
+        );
+        expect(dbgSpy).toHaveBeenCalledWith(
+          'Getting manifest from actions/node-versions@main'
+        );
+        expect(dbgSpy).not.toHaveBeenCalledWith('No manifest cached');
+        expect(dbgSpy).toHaveBeenCalledWith(
+          `LTS alias '${lts}' for Node version 'lts/${lts}'`
+        );
+        expect(dbgSpy).toHaveBeenCalledWith(
+          `Found LTS release '${expectedVersion}' for Node version 'lts/${lts}'`
+        );
+        expect(logSpy).toHaveBeenCalledWith(
+          `Attempting to download ${expectedMajor}...`
+        );
+        expect(logSpy).toHaveBeenCalledWith(
+          `Acquiring ${expectedVersion} - ${os.arch} from ${expectedUrl}`
+        );
+        expect(logSpy).toHaveBeenCalledWith('Extracting ...');
+        expect(logSpy).toHaveBeenCalledWith('Adding to the cache ...');
+        expect(cnSpy).toHaveBeenCalledWith(
+          `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
+        );
+      }
+    );
 
     it('fail with unable to parse LTS alias (lts/)', async () => {
       // arrange
@@ -909,4 +894,77 @@ describe('setup-node', () => {
       );
     });
   });
+
+  describe('latest alias syntax', () => {
+    it.each(['latest', 'current', 'node'])(
+      'download the %s version if alias is provided',
+      async inputVersion => {
+        // Arrange
+        inputs['node-version'] = inputVersion;
+
+        os.platform = 'darwin';
+        os.arch = 'x64';
+
+        findSpy.mockImplementation(() => '');
+        getManifestSpy.mockImplementation(() => {
+          throw new Error('Unable to download manifest');
+        });
+
+        // Act
+        await main.run();
+
+        // assert
+        expect(logSpy).toHaveBeenCalledWith('Unable to download manifest');
+
+        expect(logSpy).toHaveBeenCalledWith('getting latest node version...');
+      }
+    );
+  });
+
+  describe('latest alias syntax from cache', () => {
+    it.each(['latest', 'current', 'node'])(
+      'download the %s version if alias is provided',
+      async inputVersion => {
+        // Arrange
+        inputs['node-version'] = inputVersion;
+        const expectedVersion = nodeTestDist[0];
+
+        os.platform = 'darwin';
+        os.arch = 'x64';
+
+        const toolPath = path.normalize(
+          `/cache/node/${expectedVersion.version}/x64`
+        );
+        findSpy.mockReturnValue(toolPath);
+
+        // Act
+        await main.run();
+
+        // assert
+        expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+
+        expect(logSpy).toHaveBeenCalledWith('getting latest node version...');
+      }
+    );
+  });
+});
+
+describe('helper methods', () => {
+  describe('parseNodeVersionFile', () => {
+    each`
+      contents                                     | expected
+      ${'12'}                                      | ${'12'}
+      ${'12.3'}                                    | ${'12.3'}
+      ${'12.3.4'}                                  | ${'12.3.4'}
+      ${'v12.3.4'}                                 | ${'12.3.4'}
+      ${'lts/erbium'}                              | ${'lts/erbium'}
+      ${'lts/*'}                                   | ${'lts/*'}
+      ${'nodejs 12.3.4'}                           | ${'12.3.4'}
+      ${'ruby 2.3.4\nnodejs 12.3.4\npython 3.4.5'} | ${'12.3.4'}
+      ${''}                                        | ${''}
+      ${'unknown format'}                          | ${'unknown format'}
+    `.it('parses "$contents"', ({contents, expected}) => {
+      expect(im.parseNodeVersionFile(contents)).toBe(expected);
+    });
+  });
 });

action.yml

@@ -1,35 +1,37 @@
 name: 'Setup Node.js environment'
-description: 'Setup a Node.js environment by adding problem matchers and optionally downloading and adding it to the PATH'
+description: 'Setup a Node.js environment by adding problem matchers and optionally downloading and adding it to the PATH.'
 author: 'GitHub'
 inputs:
   always-auth:
-    description: 'Set always-auth in npmrc'
+    description: 'Set always-auth in npmrc.'
     default: 'false'
   node-version:
-    description: 'Version Spec of the version to use.  Examples: 12.x, 10.15.1, >=10.15.0'
+    description: 'Version Spec of the version to use. Examples: 12.x, 10.15.1, >=10.15.0.'
   node-version-file:
-    description: 'File containing the version Spec of the version to use.  Examples: .nvmrc, .node-version'
+    description: 'File containing the version Spec of the version to use.  Examples: .nvmrc, .node-version, .tool-versions.'
   architecture:
     description: 'Target architecture for Node to use. Examples: x86, x64. Will use system architecture by default.'
   check-latest:
-    description: 'Set this option if you want the action to check for the latest available version that satisfies the version spec'
+    description: 'Set this option if you want the action to check for the latest available version that satisfies the version spec.'
     default: false
   registry-url:
-    description: 'Optional registry to set up for auth. Will set the registry in a project level .npmrc and .yarnrc file, and set up auth to read in from env.NODE_AUTH_TOKEN'
+    description: 'Optional registry to set up for auth. Will set the registry in a project level .npmrc and .yarnrc file, and set up auth to read in from env.NODE_AUTH_TOKEN.'
   scope:
-    description: 'Optional scope for authenticating against scoped registries'
+    description: 'Optional scope for authenticating against scoped registries. Will fall back to the repository owner when using the GitHub Packages registry (https://npm.pkg.github.com/).'
   token:
     description: Used to pull node distributions from node-versions.  Since there's a default, this is typically not supplied by the user.
     default: ${{ github.token }}
   cache:
-    description: 'Used to specify a package manager for caching in the default directory. Supported values: npm, yarn, pnpm'
+    description: 'Used to specify a package manager for caching in the default directory. Supported values: npm, yarn, pnpm.'
   cache-dependency-path:
     description: 'Used to specify the path to a dependency file: package-lock.json, yarn.lock, etc. Supports wildcards or a list of file names for caching multiple dependencies.'
 # TODO: add input to control forcing to pull from cloud or dist. 
 #       escape valve for someone having issues or needing the absolute latest which isn't cached yet
 outputs:
   cache-hit: 
-    description: 'A boolean value to indicate if a cache was hit'
+    description: 'A boolean value to indicate if a cache was hit.'
+  node-version:
+    description: 'The installed node version.'
 runs:
   using: 'node16'
   main: 'dist/setup/index.js'

docs/advanced-usage.md

@@ -1,4 +1,39 @@
-# Advanced usage
+## Working with lockfiles
+
+All supported package managers recommend that you **always** commit the lockfile, although implementations vary doing so generally provides the following benefits:
+
+- Enables faster installation for CI and production environments, due to being able to skip package resolution.
+- Describes a single representation of a dependency tree such that teammates, deployments, and continuous integration are guaranteed to install exactly the same dependencies.
+- Provides a facility for users to "time-travel" to previous states of `node_modules` without having to commit the directory itself.
+- Facilitates greater visibility of tree changes through readable source control diffs.
+
+In order to get the most out of using your lockfile on continuous integration follow the conventions outlined below for your respective package manager.
+
+### NPM
+
+Ensure that `package-lock.json` is always committed, use `npm ci` instead of `npm install` when installing packages.
+
+**See also:**
+- [Documentation of `package-lock.json`](https://docs.npmjs.com/cli/v8/configuring-npm/package-lock-json)
+- [Documentation of `npm ci`](https://docs.npmjs.com/cli/v8/commands/npm-ci)
+
+### Yarn
+
+To ensure that `yarn.lock` is always committed, use `yarn install --immutable` when installing packages.
+
+**See also:**
+- [Documentation of `yarn.lock`](https://classic.yarnpkg.com/en/docs/yarn-lock)
+- [Documentation of `--frozen-lockfile` option](https://classic.yarnpkg.com/en/docs/cli/install#toc-yarn-install-frozen-lockfile)
+- [QA - Should lockfiles be committed to the repoistory?](https://yarnpkg.com/getting-started/qa/#should-lockfiles-be-committed-to-the-repository)
+- [Documentation of `yarn install`](https://yarnpkg.com/cli/install)
+
+### PNPM
+
+Ensure that `pnpm-lock.yaml` is always committed, when on CI pass `--frozen-lockfile` to `pnpm install` when installing packages.
+
+**See also:**
+- [Working with Git - Lockfiles](https://pnpm.io/git#lockfiles)
+- [Documentation of `--frozen-lockfile` option](https://pnpm.io/cli/install#--frozen-lockfile)
 
 ## Check latest version
 
@@ -13,16 +48,17 @@ steps:
 - uses: actions/checkout@v3
 - uses: actions/setup-node@v3
   with:
-    node-version: '14'
+    node-version: '16'
     check-latest: true
-- run: npm install
+- run: npm ci
 - run: npm test
 ```
 
 ## Node version file
 
-The `node-version-file` input accepts a path to a file containing the version of Node.js to be used by a project, for example `.nvmrc` or `.node-version`. If both the `node-version` and the `node-version-file` inputs are provided then the `node-version` input is used.
-See [supported version syntax](https://github.com/actions/setup-node#supported-version-syntax)
+The `node-version-file` input accepts a path to a file containing the version of Node.js to be used by a project, for example `.nvmrc`, `.node-version`, `.tool-versions`, or `package.json`. If both the `node-version` and the `node-version-file` inputs are provided then the `node-version` input is used.
+See [supported version syntax](https://github.com/actions/setup-node#supported-version-syntax).
+
 > The action will search for the node version file relative to the repository root.
 
 ```yaml
@@ -31,13 +67,26 @@ steps:
 - uses: actions/setup-node@v3
   with:
     node-version-file: '.nvmrc'
-- run: npm install
+- run: npm ci
 - run: npm test
 ```
 
+When using the `package.json` input, the action will look for `volta.node` first. If `volta.node` isn't defined, then it will look for `engines.node`.
+
+```json
+{
+  "engines": {
+    "node": ">=16.0.0"
+  },
+  "volta": {
+    "node": "16.0.0"
+  }
+}
+```
+
 ## Architecture
 
-You can use any of the [supported operating systems](https://docs.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners), and the compatible `architecture` can be selected using `architecture`. Values are `x86`, `x64`, `arm64`, `armv6l`, `armv7l`, `ppc64le`, `s390x` (not all of the architectures are available on all platforms).
+You can use any of the [supported operating systems](https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners), and the compatible `architecture` can be selected using `architecture`. Values are `x86`, `x64`, `arm64`, `armv6l`, `armv7l`, `ppc64le`, `s390x` (not all of the architectures are available on all platforms).
 
 When using `architecture`, `node-version` must be provided as well.
 ```yaml
@@ -51,11 +100,11 @@ jobs:
         with:
           node-version: '14'
           architecture: 'x64' # optional, x64 or x86. If not specified, x64 will be used by default
-      - run: npm install
+      - run: npm ci
       - run: npm test
 ```
 
-## Caching packages dependencies
+## Caching packages data
 The action follows [actions/cache](https://github.com/actions/cache/blob/main/examples.md#node---npm) guidelines, and caches global cache on the machine instead of `node_modules`, so cache can be reused between different Node.js versions.
 
 **Caching yarn dependencies:**
@@ -67,7 +116,7 @@ steps:
   with:
     node-version: '14'
     cache: 'yarn'
-- run: yarn install
+- run: yarn install --frozen-lockfile # optional, --immutable
 - run: yarn test
 ```
 
@@ -82,14 +131,14 @@ steps:
 
 steps:
 - uses: actions/checkout@v3
-- uses: pnpm/action-setup@646cdf48217256a3d0b80361c5a50727664284f2
+- uses: pnpm/action-setup@v2
   with:
-    version: 6.10.0
+    version: 6.32.9
 - uses: actions/setup-node@v3
   with:
     node-version: '14'
     cache: 'pnpm'
-- run: pnpm install
+- run: pnpm install --frozen-lockfile
 - run: pnpm test
 ```
 
@@ -102,7 +151,7 @@ steps:
     node-version: '14'
     cache: 'npm'
     cache-dependency-path: '**/package-lock.json'
-- run: npm install
+- run: npm ci
 - run: npm test
 ```
 
@@ -117,7 +166,7 @@ steps:
     cache-dependency-path: |
       server/app/package-lock.json
       frontend/app/package-lock.json
-- run: npm install
+- run: npm ci
 - run: npm test
 ```
 
@@ -152,7 +201,7 @@ jobs:
         with:
           node-version: ${{ matrix.node_version }}
           architecture: ${{ matrix.architecture }}
-      - run: npm install
+      - run: npm ci
       - run: npm test
 ```
 
@@ -164,7 +213,7 @@ steps:
   with:
     node-version: '14.x'
     registry-url: 'https://registry.npmjs.org'
-- run: npm install
+- run: npm ci
 - run: npm publish
   env:
     NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
@@ -184,7 +233,7 @@ steps:
   with:
     node-version: '14.x'
     registry-url: <registry url>
-- run: yarn install
+- run: yarn install --frozen-lockfile
 - run: yarn publish
   env:
     NODE_AUTH_TOKEN: ${{ secrets.YARN_TOKEN }}
@@ -206,9 +255,34 @@ steps:
     registry-url: 'https://registry.npmjs.org'
 # Skip post-install scripts here, as a malicious
 # script could steal NODE_AUTH_TOKEN.
-- run: npm install --ignore-scripts
+- run: npm ci --ignore-scripts
   env:
     NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
 # `npm rebuild` will run all those post-install scripts for us.
 - run: npm rebuild && npm run prepare --if-present
 ```
+### Yarn2 configuration
+Yarn2 ignores both .npmrc and .yarnrc files created by the action, so before installing dependencies from the private repo it is necessary either to create or to modify existing yarnrc.yml file with `yarn config set` commands.
+
+Below you can find a sample "Setup .yarnrc.yml" step, that is going to allow you to configure a private GitHub registry for 'my-org' organisation.
+
+```yaml
+steps:
+- uses: actions/checkout@v3
+- uses: actions/setup-node@v3
+  with:
+    node-version: '14.x'
+- name: Setup .yarnrc.yml
+  run: |
+    yarn config set npmScopes.my-org.npmRegistryServer "https://npm.pkg.github.com"
+    yarn config set npmScopes.my-org.npmAlwaysAuth true
+    yarn config set npmScopes.my-org.npmAuthToken $NPM_AUTH_TOKEN
+  env:
+    NPM_AUTH_TOKEN: ${{ secrets.YARN_TOKEN }}
+- name: Install dependencies
+  run: yarn install --immutable
+```
+NOTE: As per https://github.com/actions/setup-node/issues/49 you cannot use `secrets.GITHUB_TOKEN` to access private GitHub Packages within the same organisation but in a different repository.
+
+### always-auth input
+The always-auth input sets `always-auth=true` in .npmrc file. With this option set [npm](https://docs.npmjs.com/cli/v6/using-npm/config#always-auth)/yarn sends the authentication credentials when making a request to the registries.

docs/contributors.md

@@ -1,22 +1,115 @@
 # Contributors
 
-### Checkin
+Thank you for contributing!
 
-- Do checkin source (src)
-- Do checkin build output (lib)
-- Do checkin runtime node_modules
-- Do not checkin devDependency node_modules (husky can help see below)
+We have prepared a short guide so that the process of making your contribution is as simple and clear as possible. Please check it out before you contribute!
 
-### devDependencies
+## How can I contribute...
 
-In order to handle correctly checking in node_modules without devDependencies, we run [Husky](https://github.com/typicode/husky) before each commit.
-This step ensures that formatting and checkin rules are followed and that devDependencies are excluded. To make sure Husky runs correctly, please use the following workflow:
+* [Contribute Documentation:green_book:](#contribute-documentation)
 
-```
-npm install                                 # installs all devDependencies including Husky
-git add abc.ext                             # Add the files you've changed. This should include files in src, lib, and node_modules (see above)
-git commit -m "Informative commit message"  # Commit. This will run Husky
-```
+* [Contribute Code :computer:](#contribute-code)
 
-During the commit step, Husky will take care of formatting all files with [Prettier](https://github.com/prettier/prettier) as well as pruning out devDependencies using `npm prune --production`.
-It will also make sure these changes are appropriately included in your commit (no further work is needed)
+* [Provide Support on Issues:pencil:](#provide-support-on-issues)
+
+* [Review Pull Requests:mag:](#review-pull-requests)
+
+## Contribute documentation
+
+Documentation is a super important, critical part of this project. Docs are how we keep track of what we're doing, how, and why. It's how we stay on the same page about our policies and how we tell others everything they need to be able to use this project or contribute to it. 
+
+Documentation contributions of any size are welcome! Feel free to contribute even if you're just rewording a sentence to be more clear, or fixing a spelling mistake!
+
+**How to contribute:**
+
+Pull requests are the easiest way to contribute changes to git repos at GitHub. They are the preferred contribution method, as they offer a convenient way of commenting and amending the proposed changes.
+
+- Please check that no one else has already created a pull request with these or similar changes
+- Use a "feature branch" for your changes. That separates the changes in the pull request from your other changes and makes it easy to edit/amend commits in the pull request 
+- Make sure your changes are formatted properly and consistently with the rest of the documentation
+- Re-read what you wrote, and run a spellchecker on it to make sure you didn't miss anything
+- If your pull request is connected to an open issue, please, leave a link to this issue in the `Related issue:` section
+- If you later need to add new commits to the pull request, you can simply commit the changes to the local branch and then push them. The pull request gets automatically updated
+
+**Once you've filed the pull request:**
+
+- Maintainers will review your pull request
+- If a maintainer requests changes, first of all, try to think about this request critically and only after that implement and request another review
+- If your PR gets accepted, it will soon be merged into the main branch. But your contribution will take effect only after the release of a new version of the action and updating the major tag
+> Sometimes maintainers reject pull requests and that's ok! Usually, along with rejection, we supply the reason for it. Nonetheless, we still really appreciate you taking the time to do it, and we don't take that lightly :heart:
+
+## Contribute code
+
+We like code commits a lot! They're super handy, and they keep the project going and doing the work it needs to do to be useful to others.
+
+Code contributions of just about any size are acceptable!
+
+The main difference between code contributions and documentation contributions is that contributing code requires the inclusion of relevant tests for the code being added or changed. Contributions without accompanying tests will be held off until a test is added unless the maintainers consider the specific tests to be either impossible or way too much of a burden for such a contribution.
+
+**How to contribute:**
+
+Pull requests are the easiest way to contribute changes to git repos at GitHub. They are the preferred contribution method, as they offer a convenient way of commenting and amending the proposed changes.
+
+- Please check that no one else has already created a pull request with these or similar changes
+- Use a "feature branch" for your changes. That separates the changes in the pull request from your other changes and makes it easy to edit/amend commits in the pull request
+-  **Run `pre-checkin` script to format, build and test changes**
+- Make sure your changes are well formatted and that all tests are passing
+- If your pull request is connected to an open issue, please, leave a link to this issue in the `Related issue:` section
+- If you later need to add new commits to the pull request, you can simply commit the changes to the local branch and then push them. The pull request gets automatically updated
+
+**Learn more about how to work with the repository:**
+
+- To implement new features or fix bugs, you need to make changes to the `.ts` files, which are located in the `src` folder
+- To comply with the code style, **you need to run the `format` script**
+- To transpile source code to `javascript` we use [NCC](https://github.com/vercel/ncc). **It is very important to run the `build` script after making changes**, otherwise your changes will not get into the final `javascript` build
+- You can also start formatting, building code, and testing with a single `pre-checkin` command
+
+**Learn more about how to implement tests:**
+
+Adding or changing tests is an integral part of making a change to the code. 
+Unit tests are in the `__tests__` folder, and end-to-end tests are in the `workflows` folder, particularly in the [versions.yml](https://github.com/actions/setup-node/blob/main/.github/workflows/versions.yml) and [e2e-cache.yml](https://github.com/actions/setup-node/blob/main/.github/workflows/e2e-cache.yml) files.
+
+- The contributor can add various types of tests (like unit tests or end-to-end tests), which, in his opinion, will be necessary and sufficient for testing new or changed functionality
+- Tests should cover a successful execution, as well as some edge cases and possible errors
+- As already mentioned, pull requests without tests will be considered more carefully by maintainers. If you are sure that in this situation the tests are not needed or cannot be implemented with a commensurate effort - please add this clarification message to your pull request
+
+**Once you've filed the pull request:**
+
+- CI will start automatically with some checks. Wait until the end of the execution and make sure that all checks passed successfully. If some checks fail, you can open them one by one, try to find the reason for failing and make changes to your code to resolve the problem
+- Maintainers will review your pull request
+- If a maintainer requests changes, first of all, try to think about his request critically and only after that implement and request another review
+- If your PR gets accepted, it will soon be merged into the main branch. But your contribution will take effect only after the release of a new version of the action and updating the major tag
+> Sometimes maintainers reject pull requests and that's ok! Usually, along with rejection, we supply the reason for it. Nonetheless, we still really appreciate you taking the time to do it, and we don't take that lightly :heart:
+
+## Provide support on issues
+
+Helping out other users with their questions is an awesome way of contributing to any community. It's not uncommon for most of the issues on open source projects to be support-related questions by users trying to understand something they ran into or find their way around a known bug.
+
+**To help other folks out with their questions:**
+
+- Go to the [issue tracker](https://github.com/actions/setup-node/issues)
+- Read through the list until you find something that you're familiar enough with to answer to
+- Respond to the issue with whatever details are needed to clarify the question, or get more details about what's going on
+- Once the discussion wraps up and things are clarified, ask the original issue filer (or a maintainer) to close it for you
+ 
+*Some notes on picking up support issues:*
+
+- Avoid responding to issues you don't know you can answer accurately
+- Try to refer to past issues with accepted answers as much as possible. Link to them from your replies
+- Be kind and patient with users. Often, folks who have run into confusing things might be upset or impatient. This is natural. If you feel uncomfortable in conversation with them, it's better to stay away or withdraw from the issue.
+
+ > If some user is violating our code of conduct [standards](https://github.com/actions/setup-node/blob/main/CODE_OF_CONDUCT.md#our-standards), refer to the [Enforcement](https://github.com/actions/setup-node/blob/main/CODE_OF_CONDUCT.md#enforcement) section of the Code of Conduct to resolve the conflict
+ 
+
+## Review pull requests
+ 
+
+Another great way to contribute is to review pull request. Please, be extra kind: people who submit code/doc contributions are putting themselves in a pretty vulnerable position, and have put time and care into what they've done (even if that's not obvious to you!) Please, always respond with respect, and be understanding, but don't feel like you need to sacrifice your standards for their sake, either.
+ 
+**How to review:**
+
+- Go to the [pull requests](https://github.com/actions/setup-node/pulls)
+- Make sure you're familiar with the code or documentation is updated, unless it's a minor change (spellchecking, minor formatting, etc.)
+- Review changes using the GitHub functionality. You can ask a clarifying question, point out an error or suggest an alternative. 
+> Note: You may ask for minor changes - "nitpicks", but consider whether they are real blockers to merging or not
+- Submit your review, which may include comments, an approval, or a changes request

package-lock.json

@@ -1,15 +1,15 @@
 {
   "name": "setup-node",
-  "version": "3.1.0",
+  "version": "3.4.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "setup-node",
-      "version": "3.1.0",
+      "version": "3.4.1",
       "license": "MIT",
       "dependencies": {
-        "@actions/cache": "^2.0.0",
+        "@actions/cache": "^3.0.4",
         "@actions/core": "^1.6.0",
         "@actions/exec": "^1.1.0",
         "@actions/github": "^1.1.0",
@@ -23,7 +23,7 @@
         "@types/jest": "^27.0.2",
         "@types/node": "^16.11.25",
         "@types/semver": "^6.0.0",
-        "@zeit/ncc": "^0.21.0",
+        "@vercel/ncc": "^0.33.4",
         "jest": "^27.2.5",
         "jest-circus": "^27.2.5",
         "prettier": "^1.19.1",
@@ -32,14 +32,14 @@
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+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/@actions/cache/-/cache-3.0.4.tgz",
+      "integrity": "sha512-9RwVL8/ISJoYWFNH1wR/C26E+M3HDkGPWmbFJMMCKwTkjbNZJreMT4XaR/EB1bheIvN4PREQxEQQVJ18IPnf/Q==",
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         "@actions/exec": "^1.0.1",
         "@actions/glob": "^0.1.0",
-        "@actions/http-client": "^1.0.9",
+        "@actions/http-client": "^2.0.1",
         "@actions/io": "^1.0.1",
         "@azure/ms-rest-js": "^2.6.0",
         "@azure/storage-blob": "^12.8.0",
@@ -56,6 +56,14 @@
         "minimatch": "^3.0.4"
       }
     },
+    "node_modules/@actions/cache/node_modules/@actions/http-client": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-2.0.1.tgz",
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+      "dependencies": {
+        "tunnel": "^0.0.6"
+      }
+    },
     "node_modules/@actions/cache/node_modules/uuid": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
@@ -66,11 +74,28 @@
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+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.9.1.tgz",
+      "integrity": "sha512-5ad+U2YGrmmiw6du20AQW5XuWo7UKN2052FjSV7MX+Wfjf8sCqcsZe62NfgHys4QI4/Y+vQvLKYL8jWtA1ZBTA==",
       "dependencies": {
-        "@actions/http-client": "^1.0.11"
+        "@actions/http-client": "^2.0.1",
+        "uuid": "^8.3.2"
+      }
+    },
+    "node_modules/@actions/core/node_modules/@actions/http-client": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-2.0.1.tgz",
+      "integrity": "sha512-PIXiMVtz6VvyaRsGY268qvj57hXQEpsYogYOu2nrQhlf+XCGmZstmuZBbAybUl1nQGnvS1k1eEsQ69ZoD7xlSw==",
+      "dependencies": {
+        "tunnel": "^0.0.6"
+      }
+    },
+    "node_modules/@actions/core/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "bin": {
+        "uuid": "dist/bin/uuid"
       }
     },
     "node_modules/@actions/exec": {
@@ -142,9 +167,12 @@
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+      "version": "1.0.2",
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+      "engines": {
+        "node": ">=12.0.0"
+      }
     },
     "node_modules/@azure/core-auth": {
       "version": "1.3.2",
@@ -164,9 +192,9 @@
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-      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/@azure/core-http/-/core-http-2.2.2.tgz",
-      "integrity": "sha512-V1DdoO9V/sFimKpdWoNBgsE+QUjQgpXYnxrTdUp5RyhsTJjvEVn/HKmTQXIHuLUUo6IyIWj+B+Dg4VaXse9dIA==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@azure/core-http/-/core-http-2.2.4.tgz",
+      "integrity": "sha512-QmmJmexXKtPyc3/rsZR/YTLDvMatzbzAypJmLzvlfxgz/SkgnqV/D4f6F2LsK6tBj1qhyp8BoXiOebiej0zz3A==",
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@@ -176,7 +204,7 @@
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         "@types/tunnel": "^0.0.3",
         "form-data": "^4.0.0",
-        "node-fetch": "^2.6.0",
+        "node-fetch": "^2.6.7",
         "process": "^0.11.10",
         "tough-cookie": "^4.0.0",
         "tslib": "^2.2.0",
@@ -215,9 +243,9 @@
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     "node_modules/@azure/core-lro": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/@azure/core-lro/-/core-lro-2.2.1.tgz",
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+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@azure/core-lro/-/core-lro-2.2.4.tgz",
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@@ -234,9 +262,9 @@
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@@ -284,14 +312,14 @@
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+      "resolved": "https://registry.npmjs.org/@azure/ms-rest-js/-/ms-rest-js-2.6.1.tgz",
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         "abort-controller": "^3.0.0",
         "form-data": "^2.5.0",
-        "node-fetch": "^2.6.0",
+        "node-fetch": "^2.6.7",
         "tough-cookie": "^3.0.1",
         "tslib": "^1.10.0",
         "tunnel": "0.0.6",
@@ -334,9 +362,9 @@
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@@ -1359,9 +1387,9 @@
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+      "resolved": "https://registry.npmjs.org/@opentelemetry/api/-/api-1.0.4.tgz",
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@@ -1483,9 +1511,9 @@
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@@ -1532,11 +1560,10 @@
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-      "resolved": "https://registry.npmjs.org/@zeit/ncc/-/ncc-0.21.0.tgz",
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-      "deprecated": "@zeit/ncc is no longer maintained. Please use @vercel/ncc instead.",
+    "node_modules/@vercel/ncc": {
+      "version": "0.33.4",
+      "resolved": "https://registry.npmjs.org/@vercel/ncc/-/ncc-0.33.4.tgz",
+      "integrity": "sha512-ln18hs7dMffelP47tpkaR+V5Tj6coykNyxJrlcmCormPqRQjB/Gv4cu2FfBG+PMzIfdZp2CLDsrrB1NPU22Qhg==",
       "dev": true,
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@@ -5077,14 +5104,14 @@
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+      "resolved": "https://registry.npmjs.org/@actions/cache/-/cache-3.0.4.tgz",
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         "@actions/exec": "^1.0.1",
         "@actions/glob": "^0.1.0",
-        "@actions/http-client": "^1.0.9",
+        "@actions/http-client": "^2.0.1",
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         "@azure/storage-blob": "^12.8.0",
@@ -5101,6 +5128,14 @@
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           }
         },
+        "@actions/http-client": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-2.0.1.tgz",
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+          "requires": {
+            "tunnel": "^0.0.6"
+          }
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           "version": "3.4.0",
           "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
@@ -5109,11 +5144,27 @@
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-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.6.0.tgz",
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+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.9.1.tgz",
+      "integrity": "sha512-5ad+U2YGrmmiw6du20AQW5XuWo7UKN2052FjSV7MX+Wfjf8sCqcsZe62NfgHys4QI4/Y+vQvLKYL8jWtA1ZBTA==",
       "requires": {
-        "@actions/http-client": "^1.0.11"
+        "@actions/http-client": "^2.0.1",
+        "uuid": "^8.3.2"
+      },
+      "dependencies": {
+        "@actions/http-client": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-2.0.1.tgz",
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+          "requires": {
+            "tunnel": "^0.0.6"
+          }
+        },
+        "uuid": {
+          "version": "8.3.2",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+          "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
+        }
       }
     },
     "@actions/exec": {
@@ -5184,9 +5235,9 @@
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-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@azure/core-asynciterator-polyfill/-/core-asynciterator-polyfill-1.0.0.tgz",
-      "integrity": "sha512-kmv8CGrPfN9SwMwrkiBK9VTQYxdFQEGe0BmQk+M8io56P9KNzpAxcWE/1fxJj7uouwN4kXF0BHW8DNlgx+wtCg=="
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@azure/core-asynciterator-polyfill/-/core-asynciterator-polyfill-1.0.2.tgz",
+      "integrity": "sha512-3rkP4LnnlWawl0LZptJOdXNrT/fHp2eQMadoasa6afspXdpGrtPZuAQc2PD0cpgyuoXtUWyC3tv7xfntjGS5Dw=="
     },
     "@azure/core-auth": {
       "version": "1.3.2",
@@ -5205,9 +5256,9 @@
       }
     },
     "@azure/core-http": {
-      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/@azure/core-http/-/core-http-2.2.2.tgz",
-      "integrity": "sha512-V1DdoO9V/sFimKpdWoNBgsE+QUjQgpXYnxrTdUp5RyhsTJjvEVn/HKmTQXIHuLUUo6IyIWj+B+Dg4VaXse9dIA==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@azure/core-http/-/core-http-2.2.4.tgz",
+      "integrity": "sha512-QmmJmexXKtPyc3/rsZR/YTLDvMatzbzAypJmLzvlfxgz/SkgnqV/D4f6F2LsK6tBj1qhyp8BoXiOebiej0zz3A==",
       "requires": {
         "@azure/abort-controller": "^1.0.0",
         "@azure/core-asynciterator-polyfill": "^1.0.0",
@@ -5217,7 +5268,7 @@
         "@types/node-fetch": "^2.5.0",
         "@types/tunnel": "^0.0.3",
         "form-data": "^4.0.0",
-        "node-fetch": "^2.6.0",
+        "node-fetch": "^2.6.7",
         "process": "^0.11.10",
         "tough-cookie": "^4.0.0",
         "tslib": "^2.2.0",
@@ -5249,9 +5300,9 @@
       }
     },
     "@azure/core-lro": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/@azure/core-lro/-/core-lro-2.2.1.tgz",
-      "integrity": "sha512-HE6PBl+mlKa0eBsLwusHqAqjLc5n9ByxeDo3Hz4kF3B1hqHvRkBr4oMgoT6tX7Hc3q97KfDctDUon7EhvoeHPA==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@azure/core-lro/-/core-lro-2.2.4.tgz",
+      "integrity": "sha512-e1I2v2CZM0mQo8+RSix0x091Av493e4bnT22ds2fcQGslTHzM2oTbswkB65nP4iEpCxBrFxOSDPKExmTmjCVtQ==",
       "requires": {
         "@azure/abort-controller": "^1.0.0",
         "@azure/core-tracing": "1.0.0-preview.13",
@@ -5267,9 +5318,9 @@
       }
     },
     "@azure/core-paging": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@azure/core-paging/-/core-paging-1.2.0.tgz",
-      "integrity": "sha512-ZX1bCjm/MjKPCN6kQD/9GJErYSoKA8YWp6YWoo5EIzcTWlSBLXu3gNaBTUl8usGl+UShiKo7b4Gdy1NSTIlpZg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@azure/core-paging/-/core-paging-1.2.1.tgz",
+      "integrity": "sha512-UtH5iMlYsvg+nQYIl4UHlvvSrsBjOlRF4fs0j7mxd3rWdAStrKYrh2durOpHs5C9yZbVhsVDaisoyaf/lL1EVA==",
       "requires": {
         "@azure/core-asynciterator-polyfill": "^1.0.0",
         "tslib": "^2.2.0"
@@ -5314,14 +5365,14 @@
       }
     },
     "@azure/ms-rest-js": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/@azure/ms-rest-js/-/ms-rest-js-2.6.0.tgz",
-      "integrity": "sha512-4C5FCtvEzWudblB+h92/TYYPiq7tuElX8icVYToxOdggnYqeec4Se14mjse5miInKtZahiFHdl8lZA/jziEc5g==",
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/@azure/ms-rest-js/-/ms-rest-js-2.6.1.tgz",
+      "integrity": "sha512-LLi4jRe/qy5IM8U2CkoDgSZp2OH+MgDe2wePmhz8uY84Svc53EhHaamVyoU6BjjHBxvCRh1vcD1urJDccrxqIw==",
       "requires": {
         "@azure/core-auth": "^1.1.4",
         "abort-controller": "^3.0.0",
         "form-data": "^2.5.0",
-        "node-fetch": "^2.6.0",
+        "node-fetch": "^2.6.7",
         "tough-cookie": "^3.0.1",
         "tslib": "^1.10.0",
         "tunnel": "0.0.6",
@@ -5357,9 +5408,9 @@
       }
     },
     "@azure/storage-blob": {
-      "version": "12.8.0",
-      "resolved": "https://registry.npmjs.org/@azure/storage-blob/-/storage-blob-12.8.0.tgz",
-      "integrity": "sha512-c8+Wz19xauW0bGkTCoqZH4dYfbtBniPiGiRQOn1ca6G5jsjr4azwaTk9gwjVY8r3vY2Taf95eivLzipfIfiS4A==",
+      "version": "12.9.0",
+      "resolved": "https://registry.npmjs.org/@azure/storage-blob/-/storage-blob-12.9.0.tgz",
+      "integrity": "sha512-ank38FdCLfJ+EoeMzCz3hkYJuZAd63ARvDKkxZYRDb+beBYf+/+gx8jNTqkq/hfyUl4dJQ/a7tECU0Y0F98CHg==",
       "requires": {
         "@azure/abort-controller": "^1.0.0",
         "@azure/core-http": "^2.0.0",
@@ -6177,9 +6228,9 @@
       }
     },
     "@opentelemetry/api": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/@opentelemetry/api/-/api-1.0.3.tgz",
-      "integrity": "sha512-puWxACExDe9nxbBB3lOymQFrLYml2dVOrd7USiVRnSbgXE+KwBu+HxFvxrzfqsiSda9IWsXJG1ef7C1O2/GmKQ=="
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@opentelemetry/api/-/api-1.0.4.tgz",
+      "integrity": "sha512-BuJuXRSJNQ3QoKA6GWWDyuLpOUck+9hAXNMCnrloc1aWVoy6Xq6t9PUV08aBZ4Lutqq2LEHM486bpZqoViScog=="
     },
     "@sinonjs/commons": {
       "version": "1.8.3",
@@ -6295,9 +6346,9 @@
       "integrity": "sha512-NrTwfD7L1RTc2qrHQD4RTTy4p0CO2LatKBEKEds3CaVuhoM/+DJzmWZl5f+ikR8cm8F5mfJxK+9rQq07gRiSjQ=="
     },
     "@types/node-fetch": {
-      "version": "2.5.12",
-      "resolved": "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.5.12.tgz",
-      "integrity": "sha512-MKgC4dlq4kKNa/mYrwpKfzQMB5X3ee5U6fSprkKpToBqBmX4nFZL9cW5jl6sWn+xpRJ7ypWh2yyqqr8UUCstSw==",
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.6.1.tgz",
+      "integrity": "sha512-oMqjURCaxoSIsHSr1E47QHzbmzNR5rK8McHuNb11BOM9cHcIK3Avy0s/b2JlXHoQGTYS3NsvWzV1M0iK7l0wbA==",
       "requires": {
         "@types/node": "*",
         "form-data": "^3.0.0"
@@ -6344,10 +6395,10 @@
       "integrity": "sha512-7tFImggNeNBVMsn0vLrpn1H1uPrUBdnARPTpZoitY37ZrdJREzf7I16tMrlK3hen349gr1NYh8CmZQa7CTG6Aw==",
       "dev": true
     },
-    "@zeit/ncc": {
-      "version": "0.21.0",
-      "resolved": "https://registry.npmjs.org/@zeit/ncc/-/ncc-0.21.0.tgz",
-      "integrity": "sha512-RUMdvVK/w78oo+yBjruZltt0kJXYar2un/1bYQ2LuHG7GmFVm+QjxzEmySwREctaJdEnBvlMdUNWd9hXHxEI3g==",
+    "@vercel/ncc": {
+      "version": "0.33.4",
+      "resolved": "https://registry.npmjs.org/@vercel/ncc/-/ncc-0.33.4.tgz",
+      "integrity": "sha512-ln18hs7dMffelP47tpkaR+V5Tj6coykNyxJrlcmCormPqRQjB/Gv4cu2FfBG+PMzIfdZp2CLDsrrB1NPU22Qhg==",
       "dev": true
     },
     "abab": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "setup-node",
-  "version": "3.1.0",
+  "version": "3.4.1",
   "private": true,
   "description": "setup node action",
   "main": "lib/setup-node.js",
@@ -8,7 +8,7 @@
     "build": "ncc build -o dist/setup src/setup-node.ts && ncc build -o dist/cache-save src/cache-save.ts",
     "format": "prettier --write **/*.ts",
     "format-check": "prettier --check **/*.ts",
-    "test": "jest",
+    "test": "jest --coverage",
     "pre-checkin": "npm run format && npm run build && npm test"
   },
   "repository": {
@@ -23,7 +23,7 @@
   "author": "GitHub",
   "license": "MIT",
   "dependencies": {
-    "@actions/cache": "^2.0.0",
+    "@actions/cache": "^3.0.4",
     "@actions/core": "^1.6.0",
     "@actions/exec": "^1.1.0",
     "@actions/github": "^1.1.0",
@@ -37,7 +37,7 @@
     "@types/jest": "^27.0.2",
     "@types/node": "^16.11.25",
     "@types/semver": "^6.0.0",
-    "@zeit/ncc": "^0.21.0",
+    "@vercel/ncc": "^0.33.4",
     "jest": "^27.2.5",
     "jest-circus": "^27.2.5",
     "prettier": "^1.19.1",

src/cache-save.ts

@@ -49,18 +49,12 @@ const cachePackages = async (packageManager: string) => {
     return;
   }
 
-  try {
-    await cache.saveCache([cachePath], primaryKey);
-    core.info(`Cache saved with the key: ${primaryKey}`);
-  } catch (error) {
-    if (error.name === cache.ValidationError.name) {
-      throw error;
-    } else if (error.name === cache.ReserveCacheError.name) {
-      core.info(error.message);
-    } else {
-      core.warning(`${error.message}`);
-    }
+  const cacheId = await cache.saveCache([cachePath], primaryKey);
+  if (cacheId == -1) {
+    return;
   }
+
+  core.info(`Cache saved with the key: ${primaryKey}`);
 };
 
 run();

src/cache-utils.ts

@@ -13,12 +13,12 @@ export interface PackageManagerInfo {
 
 export const supportedPackageManagers: SupportedPackageManagers = {
   npm: {
-    lockFilePatterns: ['package-lock.json', 'yarn.lock'],
+    lockFilePatterns: ['package-lock.json', 'npm-shrinkwrap.json', 'yarn.lock'],
     getCacheFolderCommand: 'npm config get cache'
   },
   pnpm: {
     lockFilePatterns: ['pnpm-lock.yaml'],
-    getCacheFolderCommand: 'pnpm store path'
+    getCacheFolderCommand: 'pnpm store path --silent'
   },
   yarn1: {
     lockFilePatterns: ['yarn.lock'],
@@ -94,7 +94,7 @@ export const getCacheDirectoryPath = async (
 
   core.debug(`${packageManager} path is ${stdOut}`);
 
-  return stdOut;
+  return stdOut.trim();
 };
 
 export function isGhes(): boolean {

src/installer.ts

@@ -37,6 +37,7 @@ export async function getNode(
 ) {
   // Store manifest data to avoid multiple calls
   let manifest: INodeRelease[] | undefined;
+  let nodeVersions: INodeVersion[] | undefined;
   let osPlat: string = os.platform();
   let osArch: string = translateArchToDistUrl(arch);
 
@@ -49,6 +50,12 @@ export async function getNode(
     versionSpec = resolveLtsAliasFromManifest(versionSpec, stable, manifest);
   }
 
+  if (isLatestSyntax(versionSpec)) {
+    nodeVersions = await getVersionsFromDist();
+    versionSpec = await queryDistForMatch(versionSpec, arch, nodeVersions);
+    core.info(`getting latest node version...`);
+  }
+
   if (checkLatest) {
     core.info('Attempt to resolve the latest version from manifest...');
     const resolvedVersion = await resolveVersionFromManifest(
@@ -119,7 +126,7 @@ export async function getNode(
     // Download from nodejs.org
     //
     if (!downloadPath) {
-      info = await getInfoFromDist(versionSpec, arch);
+      info = await getInfoFromDist(versionSpec, arch, nodeVersions);
       if (!info) {
         throw new Error(
           `Unable to find Node version '${versionSpec}' for platform ${osPlat} and architecture ${osArch}.`
@@ -216,13 +223,21 @@ function resolveLtsAliasFromManifest(
 
   core.debug(`LTS alias '${alias}' for Node version '${versionSpec}'`);
 
-  // Supported formats are `lts/<alias>` and `lts/*`. Where asterisk means highest possible LTS.
+  // Supported formats are `lts/<alias>`, `lts/*`, and `lts/-n`. Where asterisk means highest possible LTS and -n means the nth-highest.
+  const n = Number(alias);
+  const aliases = Object.fromEntries(
+    manifest
+      .filter(x => x.lts && x.stable === stable)
+      .map(x => [x.lts!.toLowerCase(), x])
+      .reverse()
+  );
+  const numbered = Object.values(aliases);
   const release =
     alias === '*'
-      ? manifest.find(x => !!x.lts && x.stable === stable)
-      : manifest.find(
-          x => x.lts?.toLowerCase() === alias && x.stable === stable
-        );
+      ? numbered[numbered.length - 1]
+      : n < 0
+      ? numbered[numbered.length - 1 + n]
+      : aliases[alias];
 
   if (!release) {
     throw new Error(
@@ -265,14 +280,18 @@ async function getInfoFromManifest(
 
 async function getInfoFromDist(
   versionSpec: string,
-  arch: string = os.arch()
+  arch: string = os.arch(),
+  nodeVersions?: INodeVersion[]
 ): Promise<INodeVersionInfo | null> {
   let osPlat: string = os.platform();
   let osArch: string = translateArchToDistUrl(arch);
 
-  let version: string;
+  let version: string = await queryDistForMatch(
+    versionSpec,
+    arch,
+    nodeVersions
+  );
 
-  version = await queryDistForMatch(versionSpec, arch);
   if (!version) {
     return null;
   }
@@ -349,7 +368,8 @@ function evaluateVersions(versions: string[], versionSpec: string): string {
 
 async function queryDistForMatch(
   versionSpec: string,
-  arch: string = os.arch()
+  arch: string = os.arch(),
+  nodeVersions?: INodeVersion[]
 ): Promise<string> {
   let osPlat: string = os.platform();
   let osArch: string = translateArchToDistUrl(arch);
@@ -370,8 +390,17 @@ async function queryDistForMatch(
       throw new Error(`Unexpected OS '${osPlat}'`);
   }
 
+  if (!nodeVersions) {
+    core.debug('No dist manifest cached');
+    nodeVersions = await getVersionsFromDist();
+  }
+
   let versions: string[] = [];
-  let nodeVersions = await getVersionsFromDist();
+
+  if (isLatestSyntax(versionSpec)) {
+    core.info(`getting latest node version...`);
+    return nodeVersions[0].version;
+  }
 
   nodeVersions.forEach((nodeVersion: INodeVersion) => {
     // ensure this version supports your os and platform
@@ -466,10 +495,28 @@ function translateArchToDistUrl(arch: string): string {
 }
 
 export function parseNodeVersionFile(contents: string): string {
-  let nodeVersion = contents.trim();
+  let nodeVersion: string | undefined;
 
-  if (/^v\d/.test(nodeVersion)) {
-    nodeVersion = nodeVersion.substring(1);
+  // Try parsing the file as an NPM `package.json` file.
+  try {
+    nodeVersion = JSON.parse(contents).volta?.node;
+    if (!nodeVersion) nodeVersion = JSON.parse(contents).engines?.node;
+  } catch {
+    core.info('Node version file is not JSON file');
   }
-  return nodeVersion;
+
+  if (!nodeVersion) {
+    const found = contents.match(/^(?:nodejs\s+)?v?(?<version>[^\s]+)$/m);
+    nodeVersion = found?.groups?.version;
+  }
+
+  // In the case of an unknown format,
+  // return as is and evaluate the version separately.
+  if (!nodeVersion) nodeVersion = contents.trim();
+
+  return nodeVersion as string;
+}
+
+function isLatestSyntax(versionSpec): boolean {
+  return ['current', 'latest', 'node'].includes(versionSpec);
 }

src/main.ts

@@ -1,4 +1,5 @@
 import * as core from '@actions/core';
+import * as exec from '@actions/exec';
 import * as installer from './installer';
 import fs from 'fs';
 import * as auth from './authutil';
@@ -39,6 +40,8 @@ export async function run() {
       await installer.getNode(version, stable, checkLatest, auth, arch);
     }
 
+    await printEnvDetailsAndSetOutput();
+
     const registryUrl: string = core.getInput('registry-url');
     const alwaysAuth: string = core.getInput('always-auth');
     if (registryUrl) {
@@ -82,16 +85,55 @@ function resolveVersionInput(): string {
       process.env.GITHUB_WORKSPACE!,
       versionFileInput
     );
+
     if (!fs.existsSync(versionFilePath)) {
       throw new Error(
         `The specified node version file at: ${versionFilePath} does not exist`
       );
     }
+
     version = installer.parseNodeVersionFile(
       fs.readFileSync(versionFilePath, 'utf8')
     );
+
     core.info(`Resolved ${versionFileInput} as ${version}`);
   }
 
   return version;
 }
+
+export async function printEnvDetailsAndSetOutput() {
+  core.startGroup('Environment details');
+
+  const promises = ['node', 'npm', 'yarn'].map(async tool => {
+    const output = await getToolVersion(tool, ['--version']);
+
+    if (tool === 'node') {
+      core.setOutput(`${tool}-version`, output);
+    }
+
+    core.info(`${tool}: ${output}`);
+  });
+
+  await Promise.all(promises);
+
+  core.endGroup();
+}
+
+async function getToolVersion(tool: string, options: string[]) {
+  try {
+    const {stdout, stderr, exitCode} = await exec.getExecOutput(tool, options, {
+      ignoreReturnCode: true,
+      silent: true
+    });
+
+    if (exitCode > 0) {
+      core.warning(`[warning]${stderr}`);
+      return '';
+    }
+
+    return stdout;
+  } catch (err) {
+    return '';
+  }
+}

tsconfig.json

@@ -6,7 +6,7 @@
     "rootDir": "./src",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
     "sourceMap": true,
     "strict": true,                           /* Enable all strict type-checking options. */
-    "noImplicitAny": false,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    "noImplicitAny": false,                   /* Raise error on expressions and declarations with an implied 'any' type. */
     "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
   },
   "exclude": ["__tests__", "lib", "node_modules"]