Add support for v8-canary, nightly and rc (#655)

.github/workflows/versions.yml

@@ -51,6 +51,26 @@ jobs:
           __tests__/verify-node.sh "${BASH_REMATCH[1]}"
         shell: bash
 
+  v8-canary-syntax:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        node-version: ['20-v8-canary', '20.0.0-v8-canary','20.0.0-v8-canary20221103f7e2421e91']
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Node
+        uses: ./
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Verify node and npm
+        run: |
+          canaryVersion="${{ matrix.node-version }}"
+          majorVersion=$(echo $canaryVersion | cut -d- -f1)
+          __tests__/verify-node.sh "$majorVersion"
+        shell: bash
+
   nightly-syntax:
     runs-on: ${{ matrix.os }}
     strategy:

README.md

@@ -128,16 +128,17 @@ If the runner is not able to access github.com, any Nodejs versions requested du
 
 ## Advanced usage
 
-1. [Check latest version](docs/advanced-usage.md#check-latest-version)
+ - [Check latest version](docs/advanced-usage.md#check-latest-version)
-2. [Using a node version file](docs/advanced-usage.md#node-version-file)
+ - [Using a node version file](docs/advanced-usage.md#node-version-file)
-3. [Using different architectures](docs/advanced-usage.md#architecture)
+ - [Using different architectures](docs/advanced-usage.md#architecture)
-4. [Using nightly versions](docs/advanced-usage.md#nightly-versions)
+ - [Using v8 canary versions](docs/advanced-usage.md#v8-canary-versions)
-5. [Using rc versions](docs/advanced-usage.md#rc-versions)
+ - [Using nigthly versions](docs/advanced-usage.md#nightly-versions)
-6. [Caching packages data](docs/advanced-usage.md#caching-packages-data)
+ - [Using rc versions](docs/advanced-usage.md#rc-versions)
-7. [Using multiple operating systems and architectures](docs/advanced-usage.md#multiple-operating-systems-and-architectures)
+ - [Caching packages data](docs/advanced-usage.md#caching-packages-data)
-8. [Publishing to npmjs and GPR with npm](docs/advanced-usage.md#publish-to-npmjs-and-gpr-with-npm)
+ - [Using multiple operating systems and architectures](docs/advanced-usage.md#multiple-operating-systems-and-architectures)
-9. [Publishing to npmjs and GPR with yarn](docs/advanced-usage.md#publish-to-npmjs-and-gpr-with-yarn)
+ - [Publishing to npmjs and GPR with npm](docs/advanced-usage.md#publish-to-npmjs-and-gpr-with-npm)
-10. [Using private packages](docs/advanced-usage.md#use-private-packages)
+ - [Publishing to npmjs and GPR with yarn](docs/advanced-usage.md#publish-to-npmjs-and-gpr-with-yarn)
+ - [Using private packages](docs/advanced-usage.md#use-private-packages)
 
 ## License
 

__tests__/canary-installer.test.ts

@@ -0,0 +1,531 @@
+import * as core from '@actions/core';
+import * as io from '@actions/io';
+import * as tc from '@actions/tool-cache';
+import * as httpm from '@actions/http-client';
+import * as exec from '@actions/exec';
+import * as cache from '@actions/cache';
+import fs from 'fs';
+import cp from 'child_process';
+import osm from 'os';
+import path from 'path';
+import * as main from '../src/main';
+import * as auth from '../src/authutil';
+import {INodeVersion} from '../src/distributions/base-models';
+
+const nodeTestManifest = require('./data/versions-manifest.json');
+const nodeTestDist = require('./data/node-dist-index.json');
+const nodeTestDistNightly = require('./data/node-nightly-index.json');
+const nodeTestDistRc = require('./data/node-rc-index.json');
+const nodeV8CanaryTestDist = require('./data/v8-canary-dist-index.json');
+
+describe('setup-node', () => {
+  let inputs = {} as any;
+  let os = {} as any;
+
+  let inSpy: jest.SpyInstance;
+  let findSpy: jest.SpyInstance;
+  let findAllVersionsSpy: jest.SpyInstance;
+  let cnSpy: jest.SpyInstance;
+  let logSpy: jest.SpyInstance;
+  let warningSpy: jest.SpyInstance;
+  let getManifestSpy: jest.SpyInstance;
+  let getDistSpy: jest.SpyInstance;
+  let platSpy: jest.SpyInstance;
+  let archSpy: jest.SpyInstance;
+  let dlSpy: jest.SpyInstance;
+  let exSpy: jest.SpyInstance;
+  let cacheSpy: jest.SpyInstance;
+  let dbgSpy: jest.SpyInstance;
+  let whichSpy: jest.SpyInstance;
+  let existsSpy: jest.SpyInstance;
+  let readFileSyncSpy: jest.SpyInstance;
+  let mkdirpSpy: jest.SpyInstance;
+  let execSpy: jest.SpyInstance;
+  let authSpy: jest.SpyInstance;
+  let parseNodeVersionSpy: jest.SpyInstance;
+  let isCacheActionAvailable: jest.SpyInstance;
+  let getExecOutputSpy: jest.SpyInstance;
+  let getJsonSpy: jest.SpyInstance;
+
+  beforeEach(() => {
+    // @actions/core
+    console.log('::stop-commands::stoptoken'); // Disable executing of runner commands when running tests in actions
+    process.env['GITHUB_PATH'] = ''; // Stub out ENV file functionality so we can verify it writes to standard out
+    process.env['GITHUB_OUTPUT'] = ''; // Stub out ENV file functionality so we can verify it writes to standard out
+    inputs = {};
+    inSpy = jest.spyOn(core, 'getInput');
+    inSpy.mockImplementation(name => inputs[name]);
+
+    // node
+    os = {};
+    platSpy = jest.spyOn(osm, 'platform');
+    platSpy.mockImplementation(() => os['platform']);
+    archSpy = jest.spyOn(osm, 'arch');
+    archSpy.mockImplementation(() => os['arch']);
+    execSpy = jest.spyOn(cp, 'execSync');
+
+    // @actions/tool-cache
+    findSpy = jest.spyOn(tc, 'find');
+    findAllVersionsSpy = jest.spyOn(tc, 'findAllVersions');
+    dlSpy = jest.spyOn(tc, 'downloadTool');
+    exSpy = jest.spyOn(tc, 'extractTar');
+    cacheSpy = jest.spyOn(tc, 'cacheDir');
+    getManifestSpy = jest.spyOn(tc, 'getManifestFromRepo');
+
+    // http-client
+    getJsonSpy = jest.spyOn(httpm.HttpClient.prototype, 'getJson');
+
+    // io
+    whichSpy = jest.spyOn(io, 'which');
+    existsSpy = jest.spyOn(fs, 'existsSync');
+    mkdirpSpy = jest.spyOn(io, 'mkdirP');
+
+    // @actions/tool-cache
+    isCacheActionAvailable = jest.spyOn(cache, 'isFeatureAvailable');
+
+    // disable authentication portion for installer tests
+    authSpy = jest.spyOn(auth, 'configAuthentication');
+    authSpy.mockImplementation(() => {});
+
+    // gets
+    getManifestSpy.mockImplementation(
+      () => <tc.IToolRelease[]>nodeTestManifest
+    );
+
+    getJsonSpy.mockImplementation(url => {
+      let res: any;
+      if (url.includes('/rc')) {
+        res = <INodeVersion>nodeTestDistRc;
+      } else if (url.includes('/nightly')) {
+        res = <INodeVersion>nodeTestDistNightly;
+      } else if (url.includes('/v8-canary')) {
+        res = <INodeVersion>nodeV8CanaryTestDist;
+      } else {
+        res = <INodeVersion>nodeTestDist;
+      }
+
+      return {result: res};
+    });
+
+    // writes
+    cnSpy = jest.spyOn(process.stdout, 'write');
+    logSpy = jest.spyOn(core, 'info');
+    dbgSpy = jest.spyOn(core, 'debug');
+    warningSpy = jest.spyOn(core, 'warning');
+    cnSpy.mockImplementation(line => {
+      // uncomment to debug
+      // process.stderr.write('write:' + line + '\n');
+    });
+    logSpy.mockImplementation(line => {
+      // uncomment to debug
+      // process.stderr.write('log:' + line + '\n');
+    });
+    dbgSpy.mockImplementation(msg => {
+      // uncomment to see debug output
+      // process.stderr.write(msg + '\n');
+    });
+    warningSpy.mockImplementation(msg => {
+      // uncomment to debug
+      // process.stderr.write('log:' + msg + '\n');
+    });
+
+    // @actions/exec
+    getExecOutputSpy = jest.spyOn(exec, 'getExecOutput');
+    getExecOutputSpy.mockImplementation(() => 'v16.15.0');
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+    jest.clearAllMocks();
+    //jest.restoreAllMocks();
+  });
+
+  afterAll(async () => {
+    console.log('::stoptoken::'); // Re-enable executing of runner commands when running tests in actions
+    jest.restoreAllMocks();
+  }, 100000);
+
+  //--------------------------------------------------
+  // Found in cache tests
+  //--------------------------------------------------
+
+  it('finds version in cache with stable true', async () => {
+    inputs['node-version'] = '20-v8-canary';
+    os['arch'] = 'x64';
+    inputs.stable = 'true';
+
+    let toolPath = path.normalize(
+      '/cache/node/20.0.0-v8-canary20221103f7e2421e91/x64'
+    );
+    findSpy.mockImplementation(() => toolPath);
+    findAllVersionsSpy.mockImplementation(() => [
+      '20.0.0-v8-canary20221103f7e2421e91',
+      '20.0.0-v8-canary20221030fefe1c0879',
+      '19.0.0-v8-canary202210172ec229fc56',
+      '20.0.0-v8-canary2022102310ff1e5a8d'
+    ]);
+    await main.run();
+
+    expect(findSpy).toHaveBeenCalledWith(
+      'node',
+      '20.0.0-v8-canary20221103f7e2421e91',
+      'x64'
+    );
+    expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+  });
+
+  it('finds version in cache and adds it to the path', async () => {
+    inputs['node-version'] = '20-v8-canary';
+    os['arch'] = 'x64';
+
+    inSpy.mockImplementation(name => inputs[name]);
+
+    let toolPath = path.normalize(
+      '/cache/node/20.0.0-v8-canary20221103f7e2421e91/x64'
+    );
+    findSpy.mockImplementation(() => toolPath);
+    findAllVersionsSpy.mockImplementation(() => [
+      '20.0.0-v8-canary20221103f7e2421e91',
+      '20.0.0-v8-canary20221030fefe1c0879',
+      '19.0.0-v8-canary202210172ec229fc56',
+      '20.0.0-v8-canary2022102310ff1e5a8d'
+    ]);
+    await main.run();
+
+    let expPath = path.join(toolPath, 'bin');
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('handles unhandled find error and reports error', async () => {
+    os.platform = 'linux';
+    let errMsg = 'unhandled error message';
+    inputs['node-version'] = '20.0.0-v8-canary20221103f7e2421e91';
+
+    findSpy.mockImplementation(() => {
+      throw new Error(errMsg);
+    });
+    findAllVersionsSpy.mockImplementation(() => [
+      '20.0.0-v8-canary20221103f7e2421e91',
+      '20.0.0-v8-canary20221030fefe1c0879',
+      '19.0.0-v8-canary202210172ec229fc56',
+      '20.0.0-v8-canary2022102310ff1e5a8d'
+    ]);
+
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith('::error::' + errMsg + osm.EOL);
+  });
+
+  //--------------------------------------------------
+  // Manifest tests
+  //--------------------------------------------------
+  it('falls back to a version from node dist', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    // a version which is not in the manifest but is in node dist
+    let versionSpec = '11.15.0';
+
+    inputs['node-version'] = versionSpec;
+    inputs['always-auth'] = false;
+    inputs['token'] = 'faketoken';
+
+    // ... but not in the local cache
+    findSpy.mockImplementation(() => '');
+
+    dlSpy.mockImplementation(async () => '/some/temp/path');
+    let toolPath = path.normalize('/cache/node/11.11.0/x64');
+    exSpy.mockImplementation(async () => '/some/other/temp/path');
+    cacheSpy.mockImplementation(async () => toolPath);
+
+    await main.run();
+
+    let expPath = path.join(toolPath, 'bin');
+
+    expect(dlSpy).toHaveBeenCalled();
+    expect(exSpy).toHaveBeenCalled();
+    expect(logSpy).toHaveBeenCalledWith(
+      'Not found in manifest. Falling back to download directly from Node'
+    );
+    expect(logSpy).toHaveBeenCalledWith(
+      `Attempting to download ${versionSpec}...`
+    );
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('does not find a version that does not exist', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    let versionSpec = '23.0.0-v8-canary20221103f7e2421e91';
+    inputs['node-version'] = versionSpec;
+
+    findSpy.mockImplementation(() => '');
+    findAllVersionsSpy.mockImplementation(() => [
+      '20.0.0-v8-canary20221103f7e2421e91',
+      '20.0.0-v8-canary20221030fefe1c0879',
+      '19.0.0-v8-canary202210172ec229fc56',
+      '20.0.0-v8-canary2022102310ff1e5a8d'
+    ]);
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith(
+      `::error::Unable to find Node version '${versionSpec}' for platform ${os.platform} and architecture ${os.arch}.${osm.EOL}`
+    );
+  });
+
+  it('reports a failed download', async () => {
+    let errMsg = 'unhandled download message';
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    // a version which is in the manifest
+    let versionSpec = '19.0.0-v8-canary';
+
+    inputs['node-version'] = versionSpec;
+    inputs['always-auth'] = false;
+    inputs['token'] = 'faketoken';
+
+    findSpy.mockImplementation(() => '');
+    findAllVersionsSpy.mockImplementation(() => [
+      '20.0.0-v8-canary20221103f7e2421e91',
+      '20.0.0-v8-canary20221030fefe1c0879',
+      '20.0.0-v8-canary2022102310ff1e5a8d'
+    ]);
+    dlSpy.mockImplementation(() => {
+      throw new Error(errMsg);
+    });
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith(`::error::${errMsg}${osm.EOL}`);
+  });
+
+  it('acquires specified architecture of node', async () => {
+    for (const {arch, version, osSpec} of [
+      {
+        arch: 'x86',
+        version: '20.0.0-v8-canary20221022e83bcb6c41',
+        osSpec: 'win32'
+      },
+      {
+        arch: 'x86',
+        version: '20.0.0-v8-canary20221103f7e2421e91',
+        osSpec: 'win32'
+      }
+    ]) {
+      os.platform = osSpec;
+      os.arch = arch;
+      const fileExtension = os.platform === 'win32' ? '7z' : 'tar.gz';
+      const platform = {
+        linux: 'linux',
+        darwin: 'darwin',
+        win32: 'win'
+      }[os.platform];
+
+      inputs['node-version'] = version;
+      inputs['architecture'] = arch;
+      inputs['always-auth'] = false;
+      inputs['token'] = 'faketoken';
+
+      let expectedUrl = `https://nodejs.org/download/v8-canary/v${version}/node-v${version}-${platform}-${arch}.${fileExtension}`;
+
+      // ... but not in the local cache
+      findSpy.mockImplementation(() => '');
+      findAllVersionsSpy.mockImplementation(() => []);
+
+      dlSpy.mockImplementation(async () => '/some/temp/path');
+      let toolPath = path.normalize(`/cache/node/${version}/${arch}`);
+      exSpy.mockImplementation(async () => '/some/other/temp/path');
+      cacheSpy.mockImplementation(async () => toolPath);
+
+      await main.run();
+      expect(dlSpy).toHaveBeenCalled();
+      expect(logSpy).toHaveBeenCalledWith(
+        `Acquiring ${version} - ${arch} from ${expectedUrl}`
+      );
+    }
+  }, 100000);
+
+  describe('nightly versions', () => {
+    it.each([
+      [
+        '20.0.0-v8-canary',
+        '20.0.0-v8-canary20221103f7e2421e91',
+        'https://nodejs.org/download/v8-canary/v20.0.0-v8-canary20221103f7e2421e91/node-v20.0.0-v8-canary20221103f7e2421e91-linux-x64.tar.gz'
+      ],
+      [
+        '20-v8-canary',
+        '20.0.0-v8-canary20221103f7e2421e91',
+        'https://nodejs.org/download/v8-canary/v20.0.0-v8-canary20221103f7e2421e91/node-v20.0.0-v8-canary20221103f7e2421e91-linux-x64.tar.gz'
+      ],
+      [
+        '19.0.0-v8-canary',
+        '19.0.0-v8-canary202210187d6960f23f',
+        'https://nodejs.org/download/v8-canary/v19.0.0-v8-canary202210187d6960f23f/node-v19.0.0-v8-canary202210187d6960f23f-linux-x64.tar.gz'
+      ],
+      [
+        '19-v8-canary',
+        '19.0.0-v8-canary202210187d6960f23f',
+        'https://nodejs.org/download/v8-canary/v19.0.0-v8-canary202210187d6960f23f/node-v19.0.0-v8-canary202210187d6960f23f-linux-x64.tar.gz'
+      ],
+      [
+        '19.0.0-v8-canary202210187d6960f23f',
+        '19.0.0-v8-canary202210187d6960f23f',
+        'https://nodejs.org/download/v8-canary/v19.0.0-v8-canary202210187d6960f23f/node-v19.0.0-v8-canary202210187d6960f23f-linux-x64.tar.gz'
+      ]
+    ])(
+      'finds the versions in the index.json and installs it',
+      async (input, expectedVersion, expectedUrl) => {
+        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
+
+        findSpy.mockImplementation(() => '');
+        findAllVersionsSpy.mockImplementation(() => []);
+        dlSpy.mockImplementation(async () => '/some/temp/path');
+        exSpy.mockImplementation(async () => '/some/other/temp/path');
+        cacheSpy.mockImplementation(async () => toolPath);
+
+        inputs['node-version'] = input;
+        os['arch'] = 'x64';
+        os['platform'] = 'linux';
+        // act
+        await main.run();
+
+        // assert
+        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')}${osm.EOL}`
+        );
+      }
+    );
+
+    it.each([
+      [
+        '20.0.0-v8-canary20221103f7e2421e91',
+        '20.0.0-v8-canary20221103f7e2421e91'
+      ],
+      ['20.0.0-v8-canary', '20.0.0-v8-canary20221103f7e2421e91'],
+      ['20-v8-canary', '20.0.0-v8-canary20221103f7e2421e91']
+    ])(
+      'finds the %s version in the hostedToolcache',
+      async (input, expectedVersion) => {
+        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
+        findSpy.mockReturnValue(toolPath);
+        findAllVersionsSpy.mockReturnValue([
+          '20.0.0-v8-canary20221103f7e2421e91',
+          '20.0.0-v8-canary20221030fefe1c0879',
+          '19.0.0-v8-canary202210172ec229fc56',
+          '20.0.0-v8-canary2022102310ff1e5a8d'
+        ]);
+
+        inputs['node-version'] = input;
+        os['arch'] = 'x64';
+        os['platform'] = 'linux';
+
+        // act
+        await main.run();
+
+        // assert
+        expect(findAllVersionsSpy).toHaveBeenCalled();
+        expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+        expect(cnSpy).toHaveBeenCalledWith(
+          `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
+        );
+      }
+    );
+
+    it.each([
+      [
+        '20.0.0-v8-canary',
+        '20.0.0-v8-canary20221103f7e2421e91',
+        '20.0.0-v8-canary20221030fefe1c0879',
+        'https://nodejs.org/download/v8-canary/v20.0.0-v8-canary20221103f7e2421e91/node-v20.0.0-v8-canary20221103f7e2421e91-linux-x64.tar.gz'
+      ],
+      [
+        '20-v8-canary',
+        '20.0.0-v8-canary20221103f7e2421e91',
+        '20.0.0-v8-canary20221030fefe1c0879',
+        'https://nodejs.org/download/v8-canary/v20.0.0-v8-canary20221103f7e2421e91/node-v20.0.0-v8-canary20221103f7e2421e91-linux-x64.tar.gz'
+      ],
+      [
+        '19.0.0-v8-canary',
+        '19.0.0-v8-canary202210187d6960f23f',
+        '19.0.0-v8-canary202210172ec229fc56',
+        'https://nodejs.org/download/v8-canary/v19.0.0-v8-canary202210187d6960f23f/node-v19.0.0-v8-canary202210187d6960f23f-linux-x64.tar.gz'
+      ],
+      [
+        '19-v8-canary',
+        '19.0.0-v8-canary202210187d6960f23f',
+        '19.0.0-v8-canary202210172ec229fc56',
+        'https://nodejs.org/download/v8-canary/v19.0.0-v8-canary202210187d6960f23f/node-v19.0.0-v8-canary202210187d6960f23f-linux-x64.tar.gz'
+      ]
+    ])(
+      'get %s version from dist if check-latest is true',
+      async (input, expectedVersion, foundVersion, expectedUrl) => {
+        const foundToolPath = path.normalize(`/cache/node/${foundVersion}/x64`);
+        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
+
+        inputs['node-version'] = input;
+        inputs['check-latest'] = 'true';
+        os['arch'] = 'x64';
+        os['platform'] = 'linux';
+
+        findSpy.mockReturnValue(foundToolPath);
+        findAllVersionsSpy.mockReturnValue([
+          '20.0.0-v8-canary20221030fefe1c0879',
+          '19.0.0-v8-canary202210172ec229fc56',
+          '20.0.0-v8-canary2022102310ff1e5a8d'
+        ]);
+        dlSpy.mockImplementation(async () => '/some/temp/path');
+        exSpy.mockImplementation(async () => '/some/other/temp/path');
+        cacheSpy.mockImplementation(async () => toolPath);
+
+        // act
+        await main.run();
+
+        // assert
+        expect(findAllVersionsSpy).toHaveBeenCalled();
+        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')}${osm.EOL}`
+        );
+      }
+    );
+  });
+
+  describe('setup-node v8 canary tests', () => {
+    it('v8 canary setup node flow with cached', async () => {
+      let versionSpec = 'v20-v8-canary';
+
+      inputs['node-version'] = versionSpec;
+      inputs['always-auth'] = false;
+      inputs['token'] = 'faketoken';
+
+      os.platform = 'linux';
+      os.arch = 'x64';
+
+      const versionExpected = 'v20.0.0-v8-canary20221103f7e2421e91';
+      findAllVersionsSpy.mockImplementation(() => [versionExpected]);
+
+      const toolPath = path.normalize(`/cache/node/${versionExpected}/x64`);
+      findSpy.mockImplementation(version => toolPath);
+
+      await main.run();
+
+      expect(cnSpy).toHaveBeenCalledWith(
+        `::add-path::${toolPath}${path.sep}bin${osm.EOL}`
+      );
+
+      expect(dlSpy).not.toHaveBeenCalled();
+      expect(exSpy).not.toHaveBeenCalled();
+      expect(cacheSpy).not.toHaveBeenCalled();
+    });
+  });
+});

__tests__/data/v8-canary-dist-index.json

@@ -0,0 +1,537 @@
+[
+  {
+    "version": "v20.0.0-v8-canary20221103f7e2421e91",
+    "date": "2022-11-03",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-s390x",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.138.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary202211026bf85d0fb4",
+    "date": "2022-11-02",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-s390x",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.130.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary20221101e50e45c9f8",
+    "date": "2022-11-01",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-s390x",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.129.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary202210311b1e675ad0",
+    "date": "2022-10-31",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-s390x",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.125.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary20221030fefe1c0879",
+    "date": "2022-10-30",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-s390x",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.125.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary202210293881e51ba2",
+    "date": "2022-10-29",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-s390x",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.122.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary202210286fe49d2a49",
+    "date": "2022-10-28",
+    "files": [
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.112.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary20221027c470b3108c",
+    "date": "2022-10-27",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-s390x",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.101.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary20221026c24f7d1e4a",
+    "date": "2022-10-26",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-s390x",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.88.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary20221025b063237e20",
+    "date": "2022-10-25",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.73.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary2022102454996f930f",
+    "date": "2022-10-24",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.61.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary2022102310ff1e5a8d",
+    "date": "2022-10-23",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.61.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary20221022e83bcb6c41",
+    "date": "2022-10-22",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip",
+      "win-x86-7z",
+      "win-x86-exe",
+      "win-x86-msi",
+      "win-x86-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.60.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary20221021f6d5f347fa",
+    "date": "2022-10-21",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.48.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary20221020f78c149307",
+    "date": "2022-10-20",
+    "files": [
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.38.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v20.0.0-v8-canary20221019d52c76f76e",
+    "date": "2022-10-19",
+    "files": [
+      "aix-ppc64",
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-pkg",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.27.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v19.0.0-v8-canary202210187d6960f23f",
+    "date": "2022-10-18",
+    "files": [
+      "aix-ppc64",
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-s390x",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.12.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  },
+  {
+    "version": "v19.0.0-v8-canary202210172ec229fc56",
+    "date": "2022-10-17",
+    "files": [
+      "aix-ppc64",
+      "headers",
+      "linux-arm64",
+      "linux-armv7l",
+      "linux-ppc64le",
+      "linux-s390x",
+      "linux-x64",
+      "osx-arm64-tar",
+      "osx-x64-tar",
+      "src",
+      "win-x64-7z",
+      "win-x64-exe",
+      "win-x64-msi",
+      "win-x64-zip"
+    ],
+    "npm": "8.19.2",
+    "v8": "10.9.6.0",
+    "uv": "1.43.0",
+    "zlib": "1.2.11",
+    "openssl": "3.0.5+quic",
+    "modules": "112",
+    "lts": false,
+    "security": false
+  }
+]

__tests__/main.test.ts

@@ -0,0 +1,303 @@
+import * as core from '@actions/core';
+import * as exec from '@actions/exec';
+import * as tc from '@actions/tool-cache';
+import * as cache from '@actions/cache';
+
+import fs from 'fs';
+import path from 'path';
+import osm from 'os';
+
+import each from 'jest-each';
+
+import * as main from '../src/main';
+import * as util from '../src/util';
+import OfficialBuilds from '../src/distributions/official_builds/official_builds';
+
+describe('main tests', () => {
+  let inputs = {} as any;
+  let os = {} as any;
+
+  let infoSpy: jest.SpyInstance;
+  let warningSpy: jest.SpyInstance;
+  let inSpy: jest.SpyInstance;
+  let setOutputSpy: jest.SpyInstance;
+  let startGroupSpy: jest.SpyInstance;
+  let endGroupSpy: jest.SpyInstance;
+
+  let existsSpy: jest.SpyInstance;
+
+  let getExecOutputSpy: jest.SpyInstance;
+
+  let parseNodeVersionSpy: jest.SpyInstance;
+  let cnSpy: jest.SpyInstance;
+  let findSpy: jest.SpyInstance;
+  let isCacheActionAvailable: jest.SpyInstance;
+
+  let setupNodeJsSpy: jest.SpyInstance;
+
+  beforeEach(() => {
+    inputs = {};
+
+    // node
+    os = {};
+    console.log('::stop-commands::stoptoken');
+    process.env['GITHUB_PATH'] = ''; // Stub out ENV file functionality so we can verify it writes to standard out
+    process.env['GITHUB_OUTPUT'] = ''; // Stub out ENV file functionality so we can verify it writes to standard out
+    infoSpy = jest.spyOn(core, 'info');
+    infoSpy.mockImplementation(() => {});
+    setOutputSpy = jest.spyOn(core, 'setOutput');
+    setOutputSpy.mockImplementation(() => {});
+    warningSpy = jest.spyOn(core, 'warning');
+    warningSpy.mockImplementation(() => {});
+    startGroupSpy = jest.spyOn(core, 'startGroup');
+    startGroupSpy.mockImplementation(() => {});
+    endGroupSpy = jest.spyOn(core, 'endGroup');
+    endGroupSpy.mockImplementation(() => {});
+    inSpy = jest.spyOn(core, 'getInput');
+    inSpy.mockImplementation(name => inputs[name]);
+
+    getExecOutputSpy = jest.spyOn(exec, 'getExecOutput');
+
+    findSpy = jest.spyOn(tc, 'find');
+
+    isCacheActionAvailable = jest.spyOn(cache, 'isFeatureAvailable');
+
+    existsSpy = jest.spyOn(fs, 'existsSync');
+
+    cnSpy = jest.spyOn(process.stdout, 'write');
+    cnSpy.mockImplementation(line => {
+      // uncomment to debug
+      // process.stderr.write('write:' + line + '\n');
+    });
+
+    setupNodeJsSpy = jest.spyOn(OfficialBuilds.prototype, 'setupNodeJs');
+    setupNodeJsSpy.mockImplementation(() => {});
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+    jest.clearAllMocks();
+    //jest.restoreAllMocks();
+  });
+
+  afterAll(async () => {
+    console.log('::stoptoken::');
+    jest.restoreAllMocks();
+  }, 100000);
+
+  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'}
+      ${'  14.1.0  '}                              | ${'14.1.0'}
+      ${'{"volta": {"node": ">=14.0.0 <=17.0.0"}}'}| ${'>=14.0.0 <=17.0.0'}
+      ${'{"engines": {"node": "17.0.0"}}'}         | ${'17.0.0'}
+    `.it('parses "$contents"', ({contents, expected}) => {
+      expect(util.parseNodeVersionFile(contents)).toBe(expected);
+    });
+  });
+
+  describe('printEnvDetailsAndSetOutput', () => {
+    it.each([
+      [{node: '12.0.2', npm: '6.3.3', yarn: '1.22.11'}],
+      [{node: '16.0.2', npm: '7.3.3', yarn: '2.22.11'}],
+      [{node: '14.0.1', npm: '8.1.0', yarn: '3.2.1'}],
+      [{node: '17.0.2', npm: '6.3.3', yarn: ''}]
+    ])('Tools versions %p', async obj => {
+      getExecOutputSpy.mockImplementation(async command => {
+        if (Reflect.has(obj, command) && !obj[command]) {
+          return {
+            stdout: '',
+            stderr: `${command} does not exist`,
+            exitCode: 1
+          };
+        }
+
+        return {stdout: obj[command], stderr: '', exitCode: 0};
+      });
+
+      await util.printEnvDetailsAndSetOutput();
+
+      expect(setOutputSpy).toHaveBeenCalledWith('node-version', obj['node']);
+      Object.getOwnPropertyNames(obj).forEach(name => {
+        if (!obj[name]) {
+          expect(infoSpy).toHaveBeenCalledWith(
+            `[warning]${name} does not exist`
+          );
+        }
+        expect(infoSpy).toHaveBeenCalledWith(`${name}: ${obj[name]}`);
+      });
+    });
+  });
+
+  describe('node-version-file flag', () => {
+    beforeEach(() => {
+      parseNodeVersionSpy = jest.spyOn(util, 'parseNodeVersionFile');
+    });
+
+    it('not used if node-version is provided', async () => {
+      // Arrange
+      inputs['node-version'] = '12';
+
+      // Act
+      await main.run();
+
+      // Assert
+      expect(parseNodeVersionSpy).toHaveBeenCalledTimes(0);
+    }, 10000);
+
+    it('not used if node-version-file not provided', async () => {
+      // Act
+      await main.run();
+
+      // Assert
+      expect(parseNodeVersionSpy).toHaveBeenCalledTimes(0);
+    });
+
+    it('reads node-version-file if provided', async () => {
+      // Arrange
+      const versionSpec = 'v14';
+      const versionFile = '.nvmrc';
+      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)
+      );
+
+      // Act
+      await main.run();
+
+      // Assert
+      expect(existsSpy).toHaveBeenCalledTimes(1);
+      expect(existsSpy).toHaveReturnedWith(true);
+      expect(parseNodeVersionSpy).toHaveBeenCalledWith(versionSpec);
+      expect(infoSpy).toHaveBeenCalledWith(
+        `Resolved ${versionFile} as ${expectedVersionSpec}`
+      );
+    }, 10000);
+
+    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)
+      );
+      // Act
+      await main.run();
+
+      // Assert
+      expect(existsSpy).toHaveBeenCalledTimes(1);
+      expect(existsSpy).toHaveReturnedWith(true);
+      expect(parseNodeVersionSpy).toHaveBeenCalledWith(versionSpec);
+      expect(infoSpy).toHaveBeenCalledWith(
+        `Resolved ${versionFile} as ${expectedVersionSpec}`
+      );
+    }, 10000);
+
+    it('both node-version-file and node-version are provided', async () => {
+      inputs['node-version'] = '12';
+      const versionSpec = 'v14';
+      const versionFile = '.nvmrc';
+      const expectedVersionSpec = '14';
+      process.env['GITHUB_WORKSPACE'] = path.join(__dirname, '..');
+      inputs['node-version-file'] = versionFile;
+
+      parseNodeVersionSpy.mockImplementation(() => expectedVersionSpec);
+
+      // Act
+      await main.run();
+
+      // Assert
+      expect(existsSpy).toHaveBeenCalledTimes(0);
+      expect(parseNodeVersionSpy).not.toHaveBeenCalled();
+      expect(warningSpy).toHaveBeenCalledWith(
+        'Both node-version and node-version-file inputs are specified, only node-version will be used'
+      );
+    });
+
+    it('should throw an error if node-version-file is not found', async () => {
+      const versionFile = '.nvmrc';
+      const versionFilePath = path.join(__dirname, '..', versionFile);
+      inputs['node-version-file'] = versionFile;
+
+      inSpy.mockImplementation(name => inputs[name]);
+      existsSpy.mockImplementationOnce(
+        input => input === path.join(__dirname, 'data', versionFile)
+      );
+
+      // Act
+      await main.run();
+
+      // Assert
+      expect(existsSpy).toHaveBeenCalled();
+      expect(existsSpy).toHaveReturnedWith(false);
+      expect(parseNodeVersionSpy).not.toHaveBeenCalled();
+      expect(cnSpy).toHaveBeenCalledWith(
+        `::error::The specified node version file at: ${versionFilePath} does not exist${osm.EOL}`
+      );
+    });
+  });
+
+  describe('cache on GHES', () => {
+    it('Should throw an error, because cache is not supported', async () => {
+      inputs['node-version'] = '12';
+      inputs['cache'] = 'npm';
+
+      inSpy.mockImplementation(name => inputs[name]);
+
+      let toolPath = path.normalize('/cache/node/12.16.1/x64');
+      findSpy.mockImplementation(() => toolPath);
+
+      // expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+      process.env['GITHUB_SERVER_URL'] = 'https://www.test.com';
+      isCacheActionAvailable.mockImplementation(() => false);
+
+      await main.run();
+
+      expect(warningSpy).toHaveBeenCalledWith(
+        `Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.`
+      );
+    });
+
+    it('Should throw an internal error', async () => {
+      inputs['node-version'] = '12';
+      inputs['cache'] = 'npm';
+
+      inSpy.mockImplementation(name => inputs[name]);
+
+      let toolPath = path.normalize('/cache/node/12.16.1/x64');
+      findSpy.mockImplementation(() => toolPath);
+
+      // expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+      process.env['GITHUB_SERVER_URL'] = '';
+      isCacheActionAvailable.mockImplementation(() => false);
+
+      await main.run();
+
+      expect(warningSpy).toHaveBeenCalledWith(
+        'The runner was not able to contact the cache service. Caching will be skipped'
+      );
+    });
+  });
+});

__tests__/nightly-installer.test.ts

@@ -0,0 +1,517 @@
+import * as core from '@actions/core';
+import * as io from '@actions/io';
+import * as tc from '@actions/tool-cache';
+import * as httpm from '@actions/http-client';
+import * as exec from '@actions/exec';
+import * as cache from '@actions/cache';
+import fs from 'fs';
+import cp from 'child_process';
+import osm from 'os';
+import path from 'path';
+import * as main from '../src/main';
+import * as auth from '../src/authutil';
+import {INodeVersion} from '../src/distributions/base-models';
+
+const nodeTestManifest = require('./data/versions-manifest.json');
+const nodeTestDist = require('./data/node-dist-index.json');
+const nodeTestDistNightly = require('./data/node-nightly-index.json');
+const nodeTestDistRc = require('./data/node-rc-index.json');
+const nodeV8CanaryTestDist = require('./data/v8-canary-dist-index.json');
+
+describe('setup-node', () => {
+  let inputs = {} as any;
+  let os = {} as any;
+
+  let inSpy: jest.SpyInstance;
+  let findSpy: jest.SpyInstance;
+  let findAllVersionsSpy: jest.SpyInstance;
+  let cnSpy: jest.SpyInstance;
+  let logSpy: jest.SpyInstance;
+  let warningSpy: jest.SpyInstance;
+  let getManifestSpy: jest.SpyInstance;
+  let getDistSpy: jest.SpyInstance;
+  let platSpy: jest.SpyInstance;
+  let archSpy: jest.SpyInstance;
+  let dlSpy: jest.SpyInstance;
+  let exSpy: jest.SpyInstance;
+  let cacheSpy: jest.SpyInstance;
+  let dbgSpy: jest.SpyInstance;
+  let whichSpy: jest.SpyInstance;
+  let existsSpy: jest.SpyInstance;
+  let mkdirpSpy: jest.SpyInstance;
+  let execSpy: jest.SpyInstance;
+  let authSpy: jest.SpyInstance;
+  let parseNodeVersionSpy: jest.SpyInstance;
+  let isCacheActionAvailable: jest.SpyInstance;
+  let getExecOutputSpy: jest.SpyInstance;
+  let getJsonSpy: jest.SpyInstance;
+
+  beforeEach(() => {
+    // @actions/core
+    console.log('::stop-commands::stoptoken'); // Disable executing of runner commands when running tests in actions
+    process.env['GITHUB_PATH'] = ''; // Stub out ENV file functionality so we can verify it writes to standard out
+    process.env['GITHUB_OUTPUT'] = ''; // Stub out ENV file functionality so we can verify it writes to standard out
+    inputs = {};
+    inSpy = jest.spyOn(core, 'getInput');
+    inSpy.mockImplementation(name => inputs[name]);
+
+    // node
+    os = {};
+    platSpy = jest.spyOn(osm, 'platform');
+    platSpy.mockImplementation(() => os['platform']);
+    archSpy = jest.spyOn(osm, 'arch');
+    archSpy.mockImplementation(() => os['arch']);
+    execSpy = jest.spyOn(cp, 'execSync');
+
+    // @actions/tool-cache
+    findSpy = jest.spyOn(tc, 'find');
+    findAllVersionsSpy = jest.spyOn(tc, 'findAllVersions');
+    dlSpy = jest.spyOn(tc, 'downloadTool');
+    exSpy = jest.spyOn(tc, 'extractTar');
+    cacheSpy = jest.spyOn(tc, 'cacheDir');
+    getManifestSpy = jest.spyOn(tc, 'getManifestFromRepo');
+
+    // http-client
+    getJsonSpy = jest.spyOn(httpm.HttpClient.prototype, 'getJson');
+
+    // io
+    whichSpy = jest.spyOn(io, 'which');
+    existsSpy = jest.spyOn(fs, 'existsSync');
+    mkdirpSpy = jest.spyOn(io, 'mkdirP');
+
+    // @actions/tool-cache
+    isCacheActionAvailable = jest.spyOn(cache, 'isFeatureAvailable');
+
+    // disable authentication portion for installer tests
+    authSpy = jest.spyOn(auth, 'configAuthentication');
+    authSpy.mockImplementation(() => {});
+
+    getJsonSpy.mockImplementation(url => {
+      let res: any;
+      if (url.includes('/rc')) {
+        res = <INodeVersion>nodeTestDistRc;
+      } else if (url.includes('/nightly')) {
+        res = <INodeVersion>nodeTestDistNightly;
+      } else {
+        res = <INodeVersion>nodeTestDist;
+      }
+
+      return {result: res};
+    });
+
+    // writes
+    cnSpy = jest.spyOn(process.stdout, 'write');
+    logSpy = jest.spyOn(core, 'info');
+    dbgSpy = jest.spyOn(core, 'debug');
+    warningSpy = jest.spyOn(core, 'warning');
+    cnSpy.mockImplementation(line => {
+      // uncomment to debug
+      // process.stderr.write('write:' + line + '\n');
+    });
+    logSpy.mockImplementation(line => {
+      // uncomment to debug
+      // process.stderr.write('log:' + line + '\n');
+    });
+    dbgSpy.mockImplementation(msg => {
+      // uncomment to see debug output
+      // process.stderr.write(msg + '\n');
+    });
+    warningSpy.mockImplementation(msg => {
+      // uncomment to debug
+      // process.stderr.write('log:' + msg + '\n');
+    });
+
+    // @actions/exec
+    getExecOutputSpy = jest.spyOn(exec, 'getExecOutput');
+    getExecOutputSpy.mockImplementation(() => 'v16.15.0');
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+    jest.clearAllMocks();
+    //jest.restoreAllMocks();
+  });
+
+  afterAll(async () => {
+    console.log('::stoptoken::'); // Re-enable executing of runner commands when running tests in actions
+    jest.restoreAllMocks();
+  }, 100000);
+
+  //--------------------------------------------------
+  // Found in cache tests
+  //--------------------------------------------------
+
+  it('finds version in cache with stable true', async () => {
+    inputs['node-version'] = '16-nightly';
+    os['arch'] = 'x64';
+    inputs.stable = 'true';
+
+    let toolPath = path.normalize(
+      '/cache/node/16.0.0-nightly20210417bc31dc0e0f/x64'
+    );
+    findSpy.mockImplementation(() => toolPath);
+    findAllVersionsSpy.mockImplementation(() => [
+      '12.0.1',
+      '16.0.0-nightly20210415c3a5e15ebe',
+      '16.0.0-nightly20210417bc31dc0e0f',
+      '16.1.3'
+    ]);
+
+    await main.run();
+
+    expect(findSpy).toHaveBeenCalledWith(
+      'node',
+      '16.0.0-nightly20210417bc31dc0e0f',
+      'x64'
+    );
+    expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+  });
+
+  it('finds version in cache with stable false', async () => {
+    inputs['node-version'] = '16.0.0-nightly20210415c3a5e15ebe';
+    os['arch'] = 'x64';
+    inputs.stable = 'false';
+
+    let toolPath = path.normalize(
+      '/cache/node/16.0.0-nightly20210415c3a5e15ebe/x64'
+    );
+    findSpy.mockImplementation(() => toolPath);
+    findAllVersionsSpy.mockImplementation(() => [
+      '12.0.1',
+      '16.0.0-nightly20210415c3a5e15ebe',
+      '16.0.0-nightly20210417bc31dc0e0f',
+      '16.1.3'
+    ]);
+
+    await main.run();
+
+    expect(findSpy).toHaveBeenCalledWith(
+      'node',
+      '16.0.0-nightly20210415c3a5e15ebe',
+      'x64'
+    );
+    expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+  });
+
+  it('finds version in cache and adds it to the path', async () => {
+    inputs['node-version'] = '16-nightly';
+    os['arch'] = 'x64';
+
+    inSpy.mockImplementation(name => inputs[name]);
+
+    let toolPath = path.normalize(
+      '/cache/node/16.0.0-nightly20210417bc31dc0e0f/x64'
+    );
+    findSpy.mockImplementation(() => toolPath);
+    findAllVersionsSpy.mockImplementation(() => [
+      '12.0.1',
+      '16.0.0-nightly20210415c3a5e15ebe',
+      '16.0.0-nightly20210417bc31dc0e0f',
+      '16.1.3'
+    ]);
+
+    await main.run();
+
+    expect(findSpy).toHaveBeenCalledWith(
+      'node',
+      '16.0.0-nightly20210417bc31dc0e0f',
+      'x64'
+    );
+
+    let expPath = path.join(toolPath, 'bin');
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('handles unhandled find error and reports error', async () => {
+    let errMsg = 'unhandled error message';
+    inputs['node-version'] = '16.0.0-nightly20210417bc31dc0e0f';
+
+    findAllVersionsSpy.mockImplementation(() => [
+      '12.0.1',
+      '16.0.0-nightly20210415c3a5e15ebe',
+      '16.0.0-nightly20210417bc31dc0e0f',
+      '16.1.3'
+    ]);
+
+    findSpy.mockImplementation(() => {
+      throw new Error(errMsg);
+    });
+
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith('::error::' + errMsg + osm.EOL);
+  });
+
+  it('falls back to a version from node dist', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    // a version which is not in the manifest but is in node dist
+    let versionSpec = '13.13.1-nightly20200415947ddec091';
+
+    inputs['node-version'] = versionSpec;
+    inputs['always-auth'] = false;
+    inputs['token'] = 'faketoken';
+
+    // ... but not in the local cache
+    findSpy.mockImplementation(() => '');
+    findAllVersionsSpy.mockImplementation(() => []);
+
+    dlSpy.mockImplementation(async () => '/some/temp/path');
+    let toolPath = path.normalize(
+      '/cache/node/13.13.1-nightly20200415947ddec091/x64'
+    );
+    exSpy.mockImplementation(async () => '/some/other/temp/path');
+    cacheSpy.mockImplementation(async () => toolPath);
+
+    await main.run();
+
+    let expPath = path.join(toolPath, 'bin');
+
+    expect(dlSpy).toHaveBeenCalled();
+    expect(exSpy).toHaveBeenCalled();
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('does not find a version that does not exist', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    let versionSpec = '10.13.1-nightly20200415947ddec091';
+    inputs['node-version'] = versionSpec;
+
+    findSpy.mockImplementation(() => '');
+    findAllVersionsSpy.mockImplementation(() => []);
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith(
+      `::error::Unable to find Node version '${versionSpec}' for platform ${os.platform} and architecture ${os.arch}.${osm.EOL}`
+    );
+  });
+
+  it('reports a failed download', async () => {
+    let errMsg = 'unhandled download message';
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    // a version which is in the manifest
+    let versionSpec = '18.0.0-nightly202204180699150267';
+
+    inputs['node-version'] = versionSpec;
+    inputs['always-auth'] = false;
+    inputs['token'] = 'faketoken';
+
+    findSpy.mockImplementation(() => '');
+    findAllVersionsSpy.mockImplementation(() => []);
+
+    dlSpy.mockImplementation(() => {
+      throw new Error(errMsg);
+    });
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith(`::error::${errMsg}${osm.EOL}`);
+  });
+
+  it('acquires specified architecture of node', async () => {
+    for (const {arch, version, osSpec} of [
+      {
+        arch: 'x86',
+        version: '18.0.0-nightly202110204cb3e06ed8',
+        osSpec: 'win32'
+      },
+      {
+        arch: 'x86',
+        version: '20.0.0-nightly2022101987cdf7d412',
+        osSpec: 'win32'
+      }
+    ]) {
+      os.platform = osSpec;
+      os.arch = arch;
+      const fileExtension = os.platform === 'win32' ? '7z' : 'tar.gz';
+      const platform = {
+        linux: 'linux',
+        darwin: 'darwin',
+        win32: 'win'
+      }[os.platform];
+
+      inputs['node-version'] = version;
+      inputs['architecture'] = arch;
+      inputs['always-auth'] = false;
+      inputs['token'] = 'faketoken';
+
+      let expectedUrl = `https://nodejs.org/download/nightly/v${version}/node-v${version}-${platform}-${arch}.${fileExtension}`;
+
+      // ... but not in the local cache
+      findSpy.mockImplementation(() => '');
+      findAllVersionsSpy.mockImplementation(() => []);
+
+      dlSpy.mockImplementation(async () => '/some/temp/path');
+      let toolPath = path.normalize(`/cache/node/${version}/${arch}`);
+      exSpy.mockImplementation(async () => '/some/other/temp/path');
+      cacheSpy.mockImplementation(async () => toolPath);
+
+      await main.run();
+      expect(dlSpy).toHaveBeenCalled();
+      expect(logSpy).toHaveBeenCalledWith(
+        `Acquiring ${version} - ${arch} from ${expectedUrl}`
+      );
+    }
+  }, 100000);
+
+  describe('nightly versions', () => {
+    it.each([
+      [
+        '17.5.0-nightly',
+        '17.5.0-nightly20220209e43808936a',
+        'https://nodejs.org/download/nightly/v17.5.0-nightly20220209e43808936a/node-v17.5.0-nightly20220209e43808936a-linux-x64.tar.gz'
+      ],
+      [
+        '17-nightly',
+        '17.5.0-nightly20220209e43808936a',
+        'https://nodejs.org/download/nightly/v17.5.0-nightly20220209e43808936a/node-v17.5.0-nightly20220209e43808936a-linux-x64.tar.gz'
+      ],
+      [
+        '18.0.0-nightly',
+        '18.0.0-nightly20220419bde889bd4e',
+        'https://nodejs.org/download/nightly/v18.0.0-nightly20220419bde889bd4e/node-v18.0.0-nightly20220419bde889bd4e-linux-x64.tar.gz'
+      ],
+      [
+        '18-nightly',
+        '18.0.0-nightly20220419bde889bd4e',
+        'https://nodejs.org/download/nightly/v18.0.0-nightly20220419bde889bd4e/node-v18.0.0-nightly20220419bde889bd4e-linux-x64.tar.gz'
+      ],
+      [
+        '20.0.0-nightly',
+        '20.0.0-nightly2022101987cdf7d412',
+        'https://nodejs.org/download/nightly/v20.0.0-nightly2022101987cdf7d412/node-v20.0.0-nightly2022101987cdf7d412-linux-x64.tar.gz'
+      ]
+    ])(
+      'finds the versions in the index.json and installs it',
+      async (input, expectedVersion, expectedUrl) => {
+        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
+
+        findSpy.mockImplementation(() => '');
+        findAllVersionsSpy.mockImplementation(() => []);
+        dlSpy.mockImplementation(async () => '/some/temp/path');
+        exSpy.mockImplementation(async () => '/some/other/temp/path');
+        cacheSpy.mockImplementation(async () => toolPath);
+
+        inputs['node-version'] = input;
+        os['arch'] = 'x64';
+        os['platform'] = 'linux';
+        // act
+        await main.run();
+
+        // assert
+        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')}${osm.EOL}`
+        );
+      }
+    );
+
+    it.each([
+      ['17.5.0-nightly', '17.5.0-nightly20220209e43808936a'],
+      ['17-nightly', '17.5.0-nightly20220209e43808936a'],
+      ['20.0.0-nightly', '20.0.0-nightly2022101987cdf7d412']
+    ])(
+      'finds the %s version in the hostedToolcache',
+      async (input, expectedVersion) => {
+        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
+        findSpy.mockReturnValue(toolPath);
+        findAllVersionsSpy.mockReturnValue([
+          '17.5.0-nightly20220209e43808936a',
+          '17.5.0-nightly20220209e43808935a',
+          '20.0.0-nightly2022101987cdf7d412',
+          '20.0.0-nightly2022101987cdf7d411'
+        ]);
+
+        inputs['node-version'] = input;
+        os['arch'] = 'x64';
+        os['platform'] = 'linux';
+
+        // act
+        await main.run();
+
+        // assert
+        expect(findAllVersionsSpy).toHaveBeenCalled();
+        expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+        expect(cnSpy).toHaveBeenCalledWith(
+          `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
+        );
+      }
+    );
+
+    it.each([
+      [
+        '17.5.0-nightly',
+        '17.5.0-nightly20220209e43808936a',
+        '17.0.0-nightly202110193f11666dc7',
+        'https://nodejs.org/download/nightly/v17.5.0-nightly20220209e43808936a/node-v17.5.0-nightly20220209e43808936a-linux-x64.tar.gz'
+      ],
+      [
+        '17-nightly',
+        '17.5.0-nightly20220209e43808936a',
+        '17.0.0-nightly202110193f11666dc7',
+        'https://nodejs.org/download/nightly/v17.5.0-nightly20220209e43808936a/node-v17.5.0-nightly20220209e43808936a-linux-x64.tar.gz'
+      ],
+      [
+        '18.0.0-nightly',
+        '18.0.0-nightly20220419bde889bd4e',
+        '18.0.0-nightly202204180699150267',
+        'https://nodejs.org/download/nightly/v18.0.0-nightly20220419bde889bd4e/node-v18.0.0-nightly20220419bde889bd4e-linux-x64.tar.gz'
+      ],
+      [
+        '18-nightly',
+        '18.0.0-nightly20220419bde889bd4e',
+        '18.0.0-nightly202204180699150267',
+        'https://nodejs.org/download/nightly/v18.0.0-nightly20220419bde889bd4e/node-v18.0.0-nightly20220419bde889bd4e-linux-x64.tar.gz'
+      ],
+      [
+        '20.0.0-nightly',
+        '20.0.0-nightly2022101987cdf7d412',
+        '20.0.0-nightly2022101987cdf7d411',
+        'https://nodejs.org/download/nightly/v20.0.0-nightly2022101987cdf7d412/node-v20.0.0-nightly2022101987cdf7d412-linux-x64.tar.gz'
+      ]
+    ])(
+      'get %s version from dist if check-latest is true',
+      async (input, expectedVersion, foundVersion, expectedUrl) => {
+        const foundToolPath = path.normalize(`/cache/node/${foundVersion}/x64`);
+        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
+
+        inputs['node-version'] = input;
+        inputs['check-latest'] = 'true';
+        os['arch'] = 'x64';
+        os['platform'] = 'linux';
+
+        findSpy.mockReturnValue(foundToolPath);
+        findAllVersionsSpy.mockReturnValue([
+          '17.0.0-nightly202110193f11666dc7',
+          '18.0.0-nightly202204180699150267',
+          '20.0.0-nightly2022101987cdf7d411'
+        ]);
+        dlSpy.mockImplementation(async () => '/some/temp/path');
+        exSpy.mockImplementation(async () => '/some/other/temp/path');
+        cacheSpy.mockImplementation(async () => toolPath);
+
+        // act
+        await main.run();
+
+        // assert
+        expect(findAllVersionsSpy).toHaveBeenCalled();
+        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}`
+        );
+      }
+    );
+  });
+});

__tests__/official-installer.test.ts

@@ -1,24 +1,26 @@
 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 * as httpm from '@actions/http-client';
+import * as exec from '@actions/exec';
+import * as cache from '@actions/cache';
 import fs from 'fs';
 import cp from 'child_process';
 import osm from 'os';
 import path from 'path';
-import each from 'jest-each';
 import * as main from '../src/main';
 import * as auth from '../src/authutil';
+import OfficialBuilds from '../src/distributions/official_builds/official_builds';
+import {INodeVersion} from '../src/distributions/base-models';
 
 const nodeTestManifest = require('./data/versions-manifest.json');
 const nodeTestDist = require('./data/node-dist-index.json');
 const nodeTestDistNightly = require('./data/node-nightly-index.json');
 const nodeTestDistRc = require('./data/node-rc-index.json');
+const nodeV8CanaryTestDist = require('./data/v8-canary-dist-index.json');
 
 describe('setup-node', () => {
+  let build: OfficialBuilds;
   let inputs = {} as any;
   let os = {} as any;
 
@@ -29,7 +31,6 @@ describe('setup-node', () => {
   let logSpy: jest.SpyInstance;
   let warningSpy: jest.SpyInstance;
   let getManifestSpy: jest.SpyInstance;
-  let getDistSpy: jest.SpyInstance;
   let platSpy: jest.SpyInstance;
   let archSpy: jest.SpyInstance;
   let dlSpy: jest.SpyInstance;
@@ -42,7 +43,6 @@ describe('setup-node', () => {
   let mkdirpSpy: jest.SpyInstance;
   let execSpy: jest.SpyInstance;
   let authSpy: jest.SpyInstance;
-  let parseNodeVersionSpy: jest.SpyInstance;
   let isCacheActionAvailable: jest.SpyInstance;
   let getExecOutputSpy: jest.SpyInstance;
   let getJsonSpy: jest.SpyInstance;
@@ -71,8 +71,6 @@ describe('setup-node', () => {
     exSpy = jest.spyOn(tc, 'extractTar');
     cacheSpy = jest.spyOn(tc, 'cacheDir');
     getManifestSpy = jest.spyOn(tc, 'getManifestFromRepo');
-    getDistSpy = jest.spyOn(im, 'getVersionsFromDist');
-    parseNodeVersionSpy = jest.spyOn(im, 'parseNodeVersionFile');
 
     // http-client
     getJsonSpy = jest.spyOn(httpm.HttpClient.prototype, 'getJson');
@@ -94,25 +92,14 @@ describe('setup-node', () => {
       () => <tc.IToolRelease[]>nodeTestManifest
     );
 
-    getDistSpy.mockImplementation(version => {
-      const initialUrl = im.getNodejsDistUrl(version);
-      if (initialUrl.endsWith('/rc')) {
-        return <im.INodeVersion>nodeTestDistRc;
-      } else if (initialUrl.endsWith('/nightly')) {
-        return <im.INodeVersion>nodeTestDistNightly;
-      } else {
-        return <im.INodeVersion>nodeTestDist;
-      }
-    });
-
     getJsonSpy.mockImplementation(url => {
       let res: any;
       if (url.includes('/rc')) {
-        res = <im.INodeVersion>nodeTestDistRc;
+        res = <INodeVersion>nodeTestDistRc;
       } else if (url.includes('/nightly')) {
-        res = <im.INodeVersion>nodeTestDistNightly;
+        res = <INodeVersion>nodeTestDistNightly;
       } else {
-        res = <im.INodeVersion>nodeTestDist;
+        res = <INodeVersion>nodeTestDist;
       }
 
       return {result: res};
@@ -125,11 +112,11 @@ describe('setup-node', () => {
     warningSpy = jest.spyOn(core, 'warning');
     cnSpy.mockImplementation(line => {
       // uncomment to debug
-      // process.stderr.write('write:' + line + '\n');
+      process.stderr.write('write:' + line + '\n');
     });
     logSpy.mockImplementation(line => {
-      // uncomment to debug
+      //   uncomment to debug
-      // process.stderr.write('log:' + line + '\n');
+      process.stderr.write('log:' + line + '\n');
     });
     dbgSpy.mockImplementation(msg => {
       // uncomment to see debug output
@@ -137,7 +124,7 @@ describe('setup-node', () => {
     });
     warningSpy.mockImplementation(msg => {
       // uncomment to debug
-      // process.stderr.write('log:' + line + '\n');
+      // process.stderr.write('log:' + msg + '\n');
     });
 
     // @actions/exec
@@ -159,23 +146,6 @@ describe('setup-node', () => {
   //--------------------------------------------------
   // Manifest find tests
   //--------------------------------------------------
-  it('can mock manifest versions', async () => {
-    let versions: tc.IToolRelease[] | null = await tc.getManifestFromRepo(
-      'actions',
-      'node-versions',
-      'mocktoken'
-    );
-    expect(versions).toBeDefined();
-    expect(versions?.length).toBe(7);
-  });
-
-  it('can mock dist versions', async () => {
-    const versionSpec = '1.2.3';
-    let versions: im.INodeVersion[] = await im.getVersionsFromDist(versionSpec);
-    expect(versions).toBeDefined();
-    expect(versions?.length).toBe(23);
-  });
-
   it.each([
     ['12.16.2', 'darwin', '12.16.2', 'Erbium'],
     ['12', 'linux', '12.16.2', 'Erbium'],
@@ -315,35 +285,32 @@ describe('setup-node', () => {
 
     // a version which is not in the manifest but is in node dist
     let versionSpec = '11.15.0';
-    let resolvedVersion = versionSpec;
 
     inputs['node-version'] = versionSpec;
     inputs['always-auth'] = false;
     inputs['token'] = 'faketoken';
 
-    let expectedUrl =
-      '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(() => '');
 
     dlSpy.mockImplementation(async () => '/some/temp/path');
-    let toolPath = path.normalize('/cache/node/11.11.0/x64');
+    const toolPath = path.normalize('/cache/node/11.15.0/x64');
     exSpy.mockImplementation(async () => '/some/other/temp/path');
     cacheSpy.mockImplementation(async () => toolPath);
 
     await main.run();
 
-    let expPath = path.join(toolPath, 'bin');
+    const expPath = path.join(toolPath, 'bin');
 
-    expect(dlSpy).toHaveBeenCalled();
+    expect(getManifestSpy).toHaveBeenCalled();
-    expect(exSpy).toHaveBeenCalled();
-    expect(logSpy).toHaveBeenCalledWith(
-      'Not found in manifest.  Falling back to download directly from Node'
-    );
     expect(logSpy).toHaveBeenCalledWith(
       `Attempting to download ${versionSpec}...`
     );
+    expect(logSpy).toHaveBeenCalledWith(
+      'Not found in manifest. Falling back to download directly from Node'
+    );
+    expect(dlSpy).toHaveBeenCalled();
+    expect(exSpy).toHaveBeenCalled();
     expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
   });
 
@@ -358,7 +325,7 @@ describe('setup-node', () => {
     await main.run();
 
     expect(logSpy).toHaveBeenCalledWith(
-      'Not found in manifest.  Falling back to download directly from Node'
+      'Not found in manifest. Falling back to download directly from Node'
     );
     expect(logSpy).toHaveBeenCalledWith(
       `Attempting to download ${versionSpec}...`
@@ -596,165 +563,6 @@ describe('setup-node', () => {
     });
   });
 
-  describe('node-version-file flag', () => {
-    it('not used if node-version is provided', async () => {
-      // Arrange
-      inputs['node-version'] = '12';
-
-      // Act
-      await main.run();
-
-      // Assert
-      expect(parseNodeVersionSpy).toHaveBeenCalledTimes(0);
-    });
-
-    it('not used if node-version-file not provided', async () => {
-      // Act
-      await main.run();
-
-      // Assert
-      expect(parseNodeVersionSpy).toHaveBeenCalledTimes(0);
-    });
-
-    it('reads node-version-file if provided', async () => {
-      // Arrange
-      const versionSpec = 'v14';
-      const versionFile = '.nvmrc';
-      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)
-      );
-
-      // 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)
-      );
-      // 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('both node-version-file and node-version are provided', async () => {
-      inputs['node-version'] = '12';
-      const versionSpec = 'v14';
-      const versionFile = '.nvmrc';
-      const expectedVersionSpec = '14';
-      process.env['GITHUB_WORKSPACE'] = path.join(__dirname, '..');
-      inputs['node-version-file'] = versionFile;
-
-      parseNodeVersionSpy.mockImplementation(() => expectedVersionSpec);
-
-      // Act
-      await main.run();
-
-      // Assert
-      expect(existsSpy).toHaveBeenCalledTimes(0);
-      expect(parseNodeVersionSpy).not.toHaveBeenCalled();
-      expect(warningSpy).toHaveBeenCalledWith(
-        'Both node-version and node-version-file inputs are specified, only node-version will be used'
-      );
-    });
-
-    it('should throw an error if node-version-file is not found', async () => {
-      const versionFile = '.nvmrc';
-      const versionFilePath = path.join(__dirname, '..', versionFile);
-      inputs['node-version-file'] = versionFile;
-
-      inSpy.mockImplementation(name => inputs[name]);
-      existsSpy.mockImplementationOnce(
-        input => input === path.join(__dirname, 'data', versionFile)
-      );
-
-      // Act
-      await main.run();
-
-      // Assert
-      expect(existsSpy).toHaveBeenCalled();
-      expect(existsSpy).toHaveReturnedWith(false);
-      expect(parseNodeVersionSpy).not.toHaveBeenCalled();
-      expect(cnSpy).toHaveBeenCalledWith(
-        `::error::The specified node version file at: ${versionFilePath} does not exist${osm.EOL}`
-      );
-    });
-  });
-
-  describe('cache on GHES', () => {
-    it('Should throw an error, because cache is not supported', async () => {
-      inputs['node-version'] = '12';
-      inputs['cache'] = 'npm';
-
-      inSpy.mockImplementation(name => inputs[name]);
-
-      let toolPath = path.normalize('/cache/node/12.16.1/x64');
-      findSpy.mockImplementation(() => toolPath);
-
-      // expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
-      process.env['GITHUB_SERVER_URL'] = 'https://www.test.com';
-      isCacheActionAvailable.mockImplementation(() => false);
-
-      await main.run();
-
-      expect(warningSpy).toHaveBeenCalledWith(
-        //  `::error::Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.${osm.EOL}`
-        'Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.'
-      );
-    });
-
-    it('Should throw an internal error', async () => {
-      inputs['node-version'] = '12';
-      inputs['cache'] = 'npm';
-
-      inSpy.mockImplementation(name => inputs[name]);
-
-      let toolPath = path.normalize('/cache/node/12.16.1/x64');
-      findSpy.mockImplementation(() => toolPath);
-
-      // expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
-      process.env['GITHUB_SERVER_URL'] = '';
-      isCacheActionAvailable.mockImplementation(() => false);
-
-      await main.run();
-
-      expect(warningSpy).toHaveBeenCalledWith(
-        'The runner was not able to contact the cache service. Caching will be skipped'
-      );
-    });
-  });
-
   describe('LTS version', () => {
     beforeEach(() => {
       os.platform = 'linux';
@@ -930,277 +738,6 @@ describe('setup-node', () => {
     });
   });
 
-  describe('rc versions', () => {
-    it.each([
-      [
-        '13.10.1-rc.0',
-        '13.10.1-rc.0',
-        'https://nodejs.org/download/rc/v13.10.1-rc.0/node-v13.10.1-rc.0-linux-x64.tar.gz'
-      ],
-      [
-        '14.15.5-rc.1',
-        '14.15.5-rc.1',
-        'https://nodejs.org/download/rc/v14.15.5-rc.1/node-v14.15.5-rc.1-linux-x64.tar.gz'
-      ],
-      [
-        '16.17.0-rc.1',
-        '16.17.0-rc.1',
-        'https://nodejs.org/download/rc/v16.17.0-rc.1/node-v16.17.0-rc.1-linux-x64.tar.gz'
-      ],
-      [
-        '17.0.0-rc.1',
-        '17.0.0-rc.1',
-        'https://nodejs.org/download/rc/v17.0.0-rc.1/node-v17.0.0-rc.1-linux-x64.tar.gz'
-      ],
-      [
-        '19.0.0-rc.2',
-        '19.0.0-rc.2',
-        'https://nodejs.org/download/rc/v19.0.0-rc.2/node-v19.0.0-rc.2-linux-x64.tar.gz'
-      ]
-    ])(
-      'finds the versions in the index.json and installs it',
-      async (input, expectedVersion, expectedUrl) => {
-        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
-
-        findSpy.mockImplementation(() => '');
-        findAllVersionsSpy.mockImplementation(() => []);
-        dlSpy.mockImplementation(async () => '/some/temp/path');
-        exSpy.mockImplementation(async () => '/some/other/temp/path');
-        cacheSpy.mockImplementation(async () => toolPath);
-
-        inputs['node-version'] = input;
-        os['arch'] = 'x64';
-        os['platform'] = 'linux';
-        // act
-        await main.run();
-
-        // assert
-        expect(logSpy).toHaveBeenCalledWith(
-          `Attempting to download ${input}...`
-        );
-
-        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')}${osm.EOL}`
-        );
-      }
-    );
-
-    it.each([
-      ['13.10.1-rc.0', '13.10.1-rc.0'],
-      ['14.15.5-rc.1', '14.15.5-rc.1'],
-      ['16.17.0-rc.1', '16.17.0-rc.1'],
-      ['17.0.0-rc.1', '17.0.0-rc.1']
-    ])(
-      'finds the %s version in the hostedToolcache',
-      async (input, expectedVersion) => {
-        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
-        findSpy.mockReturnValue(toolPath);
-
-        inputs['node-version'] = input;
-        os['arch'] = 'x64';
-        os['platform'] = 'linux';
-
-        // act
-        await main.run();
-
-        // assert
-        expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
-        expect(cnSpy).toHaveBeenCalledWith(
-          `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
-        );
-      }
-    );
-
-    it('throws an error if version is not found', async () => {
-      const versionSpec = '19.0.0-rc.3';
-
-      findSpy.mockImplementation(() => '');
-      findAllVersionsSpy.mockImplementation(() => []);
-      dlSpy.mockImplementation(async () => '/some/temp/path');
-      exSpy.mockImplementation(async () => '/some/other/temp/path');
-
-      inputs['node-version'] = versionSpec;
-      os['arch'] = 'x64';
-      os['platform'] = 'linux';
-      // act
-      await main.run();
-
-      // assert
-      expect(logSpy).toHaveBeenCalledWith(
-        `Attempting to download ${versionSpec}...`
-      );
-      expect(cnSpy).toHaveBeenCalledWith(
-        `::error::Unable to find Node version '${versionSpec}' for platform ${os.platform} and architecture ${os.arch}.${osm.EOL}`
-      );
-    });
-  });
-
-  describe('nightly versions', () => {
-    it.each([
-      [
-        '17.5.0-nightly',
-        '17.5.0-nightly20220209e43808936a',
-        'https://nodejs.org/download/nightly/v17.5.0-nightly20220209e43808936a/node-v17.5.0-nightly20220209e43808936a-linux-x64.tar.gz'
-      ],
-      [
-        '17-nightly',
-        '17.5.0-nightly20220209e43808936a',
-        'https://nodejs.org/download/nightly/v17.5.0-nightly20220209e43808936a/node-v17.5.0-nightly20220209e43808936a-linux-x64.tar.gz'
-      ],
-      [
-        '18.0.0-nightly',
-        '18.0.0-nightly20220419bde889bd4e',
-        'https://nodejs.org/download/nightly/v18.0.0-nightly20220419bde889bd4e/node-v18.0.0-nightly20220419bde889bd4e-linux-x64.tar.gz'
-      ],
-      [
-        '18-nightly',
-        '18.0.0-nightly20220419bde889bd4e',
-        'https://nodejs.org/download/nightly/v18.0.0-nightly20220419bde889bd4e/node-v18.0.0-nightly20220419bde889bd4e-linux-x64.tar.gz'
-      ],
-      [
-        '20.0.0-nightly',
-        '20.0.0-nightly2022101987cdf7d412',
-        'https://nodejs.org/download/nightly/v20.0.0-nightly2022101987cdf7d412/node-v20.0.0-nightly2022101987cdf7d412-linux-x64.tar.gz'
-      ]
-    ])(
-      'finds the versions in the index.json and installs it',
-      async (input, expectedVersion, expectedUrl) => {
-        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
-
-        findSpy.mockImplementation(() => '');
-        findAllVersionsSpy.mockImplementation(() => []);
-        dlSpy.mockImplementation(async () => '/some/temp/path');
-        exSpy.mockImplementation(async () => '/some/other/temp/path');
-        cacheSpy.mockImplementation(async () => toolPath);
-
-        inputs['node-version'] = input;
-        os['arch'] = 'x64';
-        os['platform'] = 'linux';
-        // act
-        await main.run();
-
-        // assert
-        expect(logSpy).toHaveBeenCalledWith(
-          `Attempting to download ${input}...`
-        );
-
-        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')}${osm.EOL}`
-        );
-      }
-    );
-
-    it.each([
-      ['17.5.0-nightly', '17.5.0-nightly20220209e43808936a'],
-      ['17-nightly', '17.5.0-nightly20220209e43808936a'],
-      ['20.0.0-nightly', '20.0.0-nightly2022101987cdf7d412']
-    ])(
-      'finds the %s version in the hostedToolcache',
-      async (input, expectedVersion) => {
-        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
-        findSpy.mockReturnValue(toolPath);
-        findAllVersionsSpy.mockReturnValue([
-          '17.5.0-nightly20220209e43808936a',
-          '17.5.0-nightly20220209e43808935a',
-          '20.0.0-nightly2022101987cdf7d412',
-          '20.0.0-nightly2022101987cdf7d411'
-        ]);
-
-        inputs['node-version'] = input;
-        os['arch'] = 'x64';
-        os['platform'] = 'linux';
-
-        // act
-        await main.run();
-
-        // assert
-        expect(findAllVersionsSpy).toHaveBeenCalled();
-        expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
-        expect(cnSpy).toHaveBeenCalledWith(
-          `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
-        );
-      }
-    );
-
-    it.each([
-      [
-        '17.5.0-nightly',
-        '17.5.0-nightly20220209e43808936a',
-        '17.0.0-nightly202110193f11666dc7',
-        'https://nodejs.org/download/nightly/v17.5.0-nightly20220209e43808936a/node-v17.5.0-nightly20220209e43808936a-linux-x64.tar.gz'
-      ],
-      [
-        '17-nightly',
-        '17.5.0-nightly20220209e43808936a',
-        '17.0.0-nightly202110193f11666dc7',
-        'https://nodejs.org/download/nightly/v17.5.0-nightly20220209e43808936a/node-v17.5.0-nightly20220209e43808936a-linux-x64.tar.gz'
-      ],
-      [
-        '18.0.0-nightly',
-        '18.0.0-nightly20220419bde889bd4e',
-        '18.0.0-nightly202204180699150267',
-        'https://nodejs.org/download/nightly/v18.0.0-nightly20220419bde889bd4e/node-v18.0.0-nightly20220419bde889bd4e-linux-x64.tar.gz'
-      ],
-      [
-        '18-nightly',
-        '18.0.0-nightly20220419bde889bd4e',
-        '18.0.0-nightly202204180699150267',
-        'https://nodejs.org/download/nightly/v18.0.0-nightly20220419bde889bd4e/node-v18.0.0-nightly20220419bde889bd4e-linux-x64.tar.gz'
-      ],
-      [
-        '20.0.0-nightly',
-        '20.0.0-nightly2022101987cdf7d412',
-        '20.0.0-nightly2022101987cdf7d411',
-        'https://nodejs.org/download/nightly/v20.0.0-nightly2022101987cdf7d412/node-v20.0.0-nightly2022101987cdf7d412-linux-x64.tar.gz'
-      ]
-    ])(
-      'get %s version from dist if check-latest is true',
-      async (input, expectedVersion, foundVersion, expectedUrl) => {
-        const foundToolPath = path.normalize(`/cache/node/${foundVersion}/x64`);
-        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
-
-        inputs['node-version'] = input;
-        inputs['check-latest'] = 'true';
-        os['arch'] = 'x64';
-        os['platform'] = 'linux';
-
-        findSpy.mockReturnValue(foundToolPath);
-        findAllVersionsSpy.mockReturnValue([
-          '17.0.0-nightly202110193f11666dc7',
-          '18.0.0-nightly202204180699150267',
-          '20.0.0-nightly2022101987cdf7d411'
-        ]);
-        dlSpy.mockImplementation(async () => '/some/temp/path');
-        exSpy.mockImplementation(async () => '/some/other/temp/path');
-        cacheSpy.mockImplementation(async () => toolPath);
-
-        // act
-        await main.run();
-
-        // assert
-        expect(findAllVersionsSpy).toHaveBeenCalled();
-        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')}${osm.EOL}`
-        );
-      }
-    );
-  });
-
   describe('latest alias syntax', () => {
     it.each(['latest', 'current', 'node'])(
       'download the %s version if alias is provided',
@@ -1241,36 +778,16 @@ describe('setup-node', () => {
         const toolPath = path.normalize(
           `/cache/node/${expectedVersion.version}/x64`
         );
-        findSpy.mockReturnValue(toolPath);
+        findSpy.mockImplementation(() => toolPath);
 
         // Act
         await main.run();
 
         // assert
-        expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
 
         expect(logSpy).toHaveBeenCalledWith('getting latest node version...');
+        expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
       }
     );
   });
 });
-
-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);
-    });
-  });
-});

__tests__/rc-installer.test.ts

@@ -0,0 +1,402 @@
+import * as core from '@actions/core';
+import * as io from '@actions/io';
+import * as tc from '@actions/tool-cache';
+import * as httpm from '@actions/http-client';
+import * as exec from '@actions/exec';
+import * as cache from '@actions/cache';
+import fs from 'fs';
+import cp from 'child_process';
+import osm from 'os';
+import path from 'path';
+import * as main from '../src/main';
+import * as auth from '../src/authutil';
+import {INodeVersion} from '../src/distributions/base-models';
+
+const nodeTestDist = require('./data/node-dist-index.json');
+const nodeTestDistNightly = require('./data/node-nightly-index.json');
+const nodeTestDistRc = require('./data/node-rc-index.json');
+const nodeV8CanaryTestDist = require('./data/v8-canary-dist-index.json');
+
+describe('setup-node', () => {
+  let inputs = {} as any;
+  let os = {} as any;
+
+  let inSpy: jest.SpyInstance;
+  let findSpy: jest.SpyInstance;
+  let findAllVersionsSpy: jest.SpyInstance;
+  let cnSpy: jest.SpyInstance;
+  let logSpy: jest.SpyInstance;
+  let warningSpy: jest.SpyInstance;
+  let platSpy: jest.SpyInstance;
+  let archSpy: jest.SpyInstance;
+  let dlSpy: jest.SpyInstance;
+  let exSpy: jest.SpyInstance;
+  let cacheSpy: jest.SpyInstance;
+  let dbgSpy: jest.SpyInstance;
+  let whichSpy: jest.SpyInstance;
+  let existsSpy: jest.SpyInstance;
+  let mkdirpSpy: jest.SpyInstance;
+  let execSpy: jest.SpyInstance;
+  let authSpy: jest.SpyInstance;
+  let isCacheActionAvailable: jest.SpyInstance;
+  let getExecOutputSpy: jest.SpyInstance;
+  let getJsonSpy: jest.SpyInstance;
+
+  beforeEach(() => {
+    // @actions/core
+    console.log('::stop-commands::stoptoken'); // Disable executing of runner commands when running tests in actions
+    process.env['GITHUB_PATH'] = ''; // Stub out ENV file functionality so we can verify it writes to standard out
+    process.env['GITHUB_OUTPUT'] = ''; // Stub out ENV file functionality so we can verify it writes to standard out
+    inputs = {};
+    inSpy = jest.spyOn(core, 'getInput');
+    inSpy.mockImplementation(name => inputs[name]);
+
+    // node
+    os = {};
+    platSpy = jest.spyOn(osm, 'platform');
+    platSpy.mockImplementation(() => os['platform']);
+    archSpy = jest.spyOn(osm, 'arch');
+    archSpy.mockImplementation(() => os['arch']);
+    execSpy = jest.spyOn(cp, 'execSync');
+
+    // @actions/tool-cache
+    findSpy = jest.spyOn(tc, 'find');
+    findAllVersionsSpy = jest.spyOn(tc, 'findAllVersions');
+    dlSpy = jest.spyOn(tc, 'downloadTool');
+    exSpy = jest.spyOn(tc, 'extractTar');
+    cacheSpy = jest.spyOn(tc, 'cacheDir');
+    // getDistSpy = jest.spyOn(im, 'getVersionsFromDist');
+
+    // http-client
+    getJsonSpy = jest.spyOn(httpm.HttpClient.prototype, 'getJson');
+
+    // io
+    whichSpy = jest.spyOn(io, 'which');
+    existsSpy = jest.spyOn(fs, 'existsSync');
+    mkdirpSpy = jest.spyOn(io, 'mkdirP');
+
+    // @actions/tool-cache
+    isCacheActionAvailable = jest.spyOn(cache, 'isFeatureAvailable');
+    isCacheActionAvailable.mockImplementation(() => false);
+
+    // disable authentication portion for installer tests
+    authSpy = jest.spyOn(auth, 'configAuthentication');
+    authSpy.mockImplementation(() => {});
+
+    getJsonSpy.mockImplementation(url => {
+      let res: any;
+      if (url.includes('/rc')) {
+        res = <INodeVersion>nodeTestDistRc;
+      } else if (url.includes('/nightly')) {
+        res = <INodeVersion>nodeTestDistNightly;
+      } else {
+        res = <INodeVersion>nodeTestDist;
+      }
+
+      return {result: res};
+    });
+
+    // writes
+    cnSpy = jest.spyOn(process.stdout, 'write');
+    logSpy = jest.spyOn(core, 'info');
+    dbgSpy = jest.spyOn(core, 'debug');
+    warningSpy = jest.spyOn(core, 'warning');
+    cnSpy.mockImplementation(line => {
+      // uncomment to debug
+      // process.stderr.write('write:' + line + '\n');
+    });
+    logSpy.mockImplementation(line => {
+      // uncomment to debug
+      // process.stderr.write('log:' + line + '\n');
+    });
+    dbgSpy.mockImplementation(msg => {
+      // uncomment to see debug output
+      // process.stderr.write(msg + '\n');
+    });
+    warningSpy.mockImplementation(msg => {
+      // uncomment to debug
+      // process.stderr.write('log:' + msg + '\n');
+    });
+
+    // @actions/exec
+    getExecOutputSpy = jest.spyOn(exec, 'getExecOutput');
+    getExecOutputSpy.mockImplementation(() => 'v16.15.0-rc.1');
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+    jest.clearAllMocks();
+    //jest.restoreAllMocks();
+  });
+
+  afterAll(async () => {
+    console.log('::stoptoken::'); // Re-enable executing of runner commands when running tests in actions
+    jest.restoreAllMocks();
+  }, 100000);
+
+  //--------------------------------------------------
+  // Found in cache tests
+  //--------------------------------------------------
+
+  it('finds version in cache with stable true', async () => {
+    inputs['node-version'] = '12.0.0-rc.1';
+    inputs.stable = 'true';
+
+    let toolPath = path.normalize('/cache/node/12.0.0-rc.1/x64');
+    findSpy.mockImplementation(() => toolPath);
+    await main.run();
+
+    expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+  });
+
+  it('finds version in cache with stable not supplied', async () => {
+    inputs['node-version'] = '12.0.0-rc.1';
+
+    inSpy.mockImplementation(name => inputs[name]);
+
+    let toolPath = path.normalize('/cache/node/12.0.0-rc.1/x64');
+    findSpy.mockImplementation(() => toolPath);
+    await main.run();
+
+    expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+  });
+
+  it('finds version in cache and adds it to the path', async () => {
+    inputs['node-version'] = '12.0.0-rc.1';
+
+    inSpy.mockImplementation(name => inputs[name]);
+
+    let toolPath = path.normalize('/cache/node/12.0.0-rc.1/x64');
+    findSpy.mockImplementation(() => toolPath);
+    await main.run();
+
+    let expPath = path.join(toolPath, 'bin');
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('handles unhandled find error and reports error', async () => {
+    let errMsg = 'unhandled error message';
+    inputs['node-version'] = '12.0.0-rc.1';
+
+    findSpy.mockImplementation(() => {
+      throw new Error(errMsg);
+    });
+
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith('::error::' + errMsg + osm.EOL);
+  });
+
+  it('falls back to a version from node dist', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    let versionSpec = '13.0.0-rc.0';
+
+    inputs['node-version'] = versionSpec;
+    inputs['always-auth'] = false;
+    inputs['token'] = 'faketoken';
+
+    // ... but not in the local cache
+    findSpy.mockImplementation(() => '');
+
+    dlSpy.mockImplementation(async () => '/some/temp/path');
+    let toolPath = path.normalize('/cache/node/13.0.0-rc.0/x64');
+    exSpy.mockImplementation(async () => '/some/other/temp/path');
+    cacheSpy.mockImplementation(async () => toolPath);
+
+    await main.run();
+
+    let expPath = path.join(toolPath, 'bin');
+
+    expect(dlSpy).toHaveBeenCalled();
+    expect(exSpy).toHaveBeenCalled();
+    expect(logSpy).toHaveBeenCalledWith('Extracting ...');
+    expect(logSpy).toHaveBeenCalledWith('Done');
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('does not find a version that does not exist', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    let versionSpec = '9.99.9-rc.1';
+    inputs['node-version'] = versionSpec;
+
+    findSpy.mockImplementation(() => '');
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith(
+      `::error::Unable to find Node version '${versionSpec}' for platform ${os.platform} and architecture ${os.arch}.${osm.EOL}`
+    );
+  });
+
+  it('reports a failed download', async () => {
+    let errMsg = 'unhandled download message';
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    let versionSpec = '14.7.0-rc.1';
+
+    inputs['node-version'] = versionSpec;
+    inputs['always-auth'] = false;
+    inputs['token'] = 'faketoken';
+
+    findSpy.mockImplementation(() => '');
+    findAllVersionsSpy.mockImplementation(() => []);
+    dlSpy.mockImplementation(() => {
+      throw new Error(errMsg);
+    });
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith(`::error::${errMsg}${osm.EOL}`);
+  });
+
+  it('acquires specified architecture of node', async () => {
+    for (const {arch, version, osSpec} of [
+      {arch: 'x86', version: '13.4.0-rc.0', osSpec: 'win32'},
+      {arch: 'x86', version: '14.15.5-rc.0', osSpec: 'win32'}
+    ]) {
+      os.platform = osSpec;
+      os.arch = arch;
+      const fileExtension = os.platform === 'win32' ? '7z' : 'tar.gz';
+      const platform = {
+        linux: 'linux',
+        darwin: 'darwin',
+        win32: 'win'
+      }[os.platform];
+
+      inputs['node-version'] = version;
+      inputs['architecture'] = arch;
+      inputs['always-auth'] = false;
+      inputs['token'] = 'faketoken';
+
+      let expectedUrl = `https://nodejs.org/download/rc/v${version}/node-v${version}-${platform}-${arch}.${fileExtension}`;
+
+      // ... but not in the local cache
+      findSpy.mockImplementation(() => '');
+      findAllVersionsSpy.mockImplementation(() => []);
+
+      dlSpy.mockImplementation(async () => '/some/temp/path');
+      let toolPath = path.normalize(`/cache/node/${version}/${arch}`);
+      exSpy.mockImplementation(async () => '/some/other/temp/path');
+      cacheSpy.mockImplementation(async () => toolPath);
+
+      await main.run();
+      expect(dlSpy).toHaveBeenCalled();
+      expect(logSpy).toHaveBeenCalledWith(
+        `Acquiring ${version} - ${arch} from ${expectedUrl}`
+      );
+    }
+  }, 100000);
+
+  describe('rc versions', () => {
+    it.each([
+      [
+        '13.10.1-rc.0',
+        '13.10.1-rc.0',
+        'https://nodejs.org/download/rc/v13.10.1-rc.0/node-v13.10.1-rc.0-linux-x64.tar.gz'
+      ],
+      [
+        '14.15.5-rc.1',
+        '14.15.5-rc.1',
+        'https://nodejs.org/download/rc/v14.15.5-rc.1/node-v14.15.5-rc.1-linux-x64.tar.gz'
+      ],
+      [
+        '16.17.0-rc.1',
+        '16.17.0-rc.1',
+        'https://nodejs.org/download/rc/v16.17.0-rc.1/node-v16.17.0-rc.1-linux-x64.tar.gz'
+      ],
+      [
+        '17.0.0-rc.1',
+        '17.0.0-rc.1',
+        'https://nodejs.org/download/rc/v17.0.0-rc.1/node-v17.0.0-rc.1-linux-x64.tar.gz'
+      ],
+      [
+        '19.0.0-rc.2',
+        '19.0.0-rc.2',
+        'https://nodejs.org/download/rc/v19.0.0-rc.2/node-v19.0.0-rc.2-linux-x64.tar.gz'
+      ]
+    ])(
+      'finds the versions in the index.json and installs it',
+      async (input, expectedVersion, expectedUrl) => {
+        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
+
+        findSpy.mockImplementation(() => '');
+        findAllVersionsSpy.mockImplementation(() => []);
+        dlSpy.mockImplementation(async () => '/some/temp/path');
+        exSpy.mockImplementation(async () => '/some/other/temp/path');
+        cacheSpy.mockImplementation(async () => toolPath);
+
+        inputs['node-version'] = input;
+        os['arch'] = 'x64';
+        os['platform'] = 'linux';
+        // act
+        await main.run();
+
+        // assert
+        expect(logSpy).toHaveBeenCalledWith('Extracting ...');
+        expect(logSpy).toHaveBeenCalledWith('Adding to the cache ...');
+        expect(cnSpy).toHaveBeenCalledWith(
+          `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
+        );
+      }
+    );
+
+    it.each([
+      ['13.10.1-rc.0', '13.10.1-rc.0'],
+      ['14.15.5-rc.1', '14.15.5-rc.1'],
+      ['16.17.0-rc.1', '16.17.0-rc.1'],
+      ['17.0.0-rc.1', '17.0.0-rc.1']
+    ])(
+      'finds the %s version in the hostedToolcache',
+      async (input, expectedVersion) => {
+        const toolPath = path.normalize(`/cache/node/${expectedVersion}/x64`);
+        findSpy.mockImplementation((_, version) =>
+          path.normalize(`/cache/node/${version}/x64`)
+        );
+        findAllVersionsSpy.mockReturnValue([
+          '2.2.2-rc.2',
+          '1.1.1-rc.1',
+          '99.1.1',
+          expectedVersion,
+          '88.1.1',
+          '3.3.3-rc.3'
+        ]);
+
+        inputs['node-version'] = input;
+        os['arch'] = 'x64';
+        os['platform'] = 'linux';
+
+        // act
+        await main.run();
+
+        // assert
+        expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+        expect(cnSpy).toHaveBeenCalledWith(
+          `::add-path::${path.join(toolPath, 'bin')}${osm.EOL}`
+        );
+      }
+    );
+
+    it('throws an error if version is not found', async () => {
+      const versionSpec = '19.0.0-rc.3';
+
+      findSpy.mockImplementation(() => '');
+      findAllVersionsSpy.mockImplementation(() => []);
+      dlSpy.mockImplementation(async () => '/some/temp/path');
+      exSpy.mockImplementation(async () => '/some/other/temp/path');
+
+      inputs['node-version'] = versionSpec;
+      os['arch'] = 'x64';
+      os['platform'] = 'linux';
+      // act
+      await main.run();
+
+      // assert
+      expect(cnSpy).toHaveBeenCalledWith(
+        `::error::Unable to find Node version '${versionSpec}' for platform ${os.platform} and architecture ${os.arch}.${osm.EOL}`
+      );
+    });
+  });
+});

dist/cache-save/index.js

@@ -61019,6 +61019,25 @@ exports.fromPromise = function (fn) {
 
 "use strict";
 
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -61028,17 +61047,11 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
-    return result;
-};
 var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.run = void 0;
 const core = __importStar(__nccwpck_require__(2186));
 const cache = __importStar(__nccwpck_require__(7799));
 const fs_1 = __importDefault(__nccwpck_require__(7147));
@@ -61095,6 +61108,25 @@ run();
 
 "use strict";
 
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -61104,14 +61136,8 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
-    return result;
-};
 Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.isCacheFeatureAvailable = exports.isGhes = exports.getCacheDirectoryPath = exports.getPackageManagerInfo = exports.getCommandOutput = exports.supportedPackageManagers = void 0;
 const core = __importStar(__nccwpck_require__(2186));
 const exec = __importStar(__nccwpck_require__(1514));
 const cache = __importStar(__nccwpck_require__(7799));
@@ -61133,7 +61159,7 @@ exports.supportedPackageManagers = {
         getCacheFolderCommand: 'yarn config get cacheFolder'
     }
 };
-exports.getCommandOutput = (toolCommand) => __awaiter(void 0, void 0, void 0, function* () {
+const getCommandOutput = (toolCommand) => __awaiter(void 0, void 0, void 0, function* () {
     let { stdout, stderr, exitCode } = yield exec.getExecOutput(toolCommand, undefined, { ignoreReturnCode: true });
     if (exitCode) {
         stderr = !stderr.trim()
@@ -61143,6 +61169,7 @@ exports.getCommandOutput = (toolCommand) => __awaiter(void 0, void 0, void 0, fu
     }
     return stdout.trim();
 });
+exports.getCommandOutput = getCommandOutput;
 const getPackageManagerVersion = (packageManager, command) => __awaiter(void 0, void 0, void 0, function* () {
     const stdOut = yield exports.getCommandOutput(`${packageManager} ${command}`);
     if (!stdOut) {
@@ -61150,7 +61177,7 @@ const getPackageManagerVersion = (packageManager, command) => __awaiter(void 0,
     }
     return stdOut;
 });
-exports.getPackageManagerInfo = (packageManager) => __awaiter(void 0, void 0, void 0, function* () {
+const getPackageManagerInfo = (packageManager) => __awaiter(void 0, void 0, void 0, function* () {
     if (packageManager === 'npm') {
         return exports.supportedPackageManagers.npm;
     }
@@ -61171,7 +61198,8 @@ exports.getPackageManagerInfo = (packageManager) => __awaiter(void 0, void 0, vo
         return null;
     }
 });
-exports.getCacheDirectoryPath = (packageManagerInfo, packageManager) => __awaiter(void 0, void 0, void 0, function* () {
+exports.getPackageManagerInfo = getPackageManagerInfo;
+const getCacheDirectoryPath = (packageManagerInfo, packageManager) => __awaiter(void 0, void 0, void 0, function* () {
     const stdOut = yield exports.getCommandOutput(packageManagerInfo.getCacheFolderCommand);
     if (!stdOut) {
         throw new Error(`Could not get cache folder path for ${packageManager}`);
@@ -61179,6 +61207,7 @@ exports.getCacheDirectoryPath = (packageManagerInfo, packageManager) => __awaite
     core.debug(`${packageManager} path is ${stdOut}`);
     return stdOut.trim();
 });
+exports.getCacheDirectoryPath = getCacheDirectoryPath;
 function isGhes() {
     const ghUrl = new URL(process.env['GITHUB_SERVER_URL'] || 'https://github.com');
     return ghUrl.hostname.toUpperCase() !== 'GITHUB.COM';
@@ -61205,6 +61234,7 @@ exports.isCacheFeatureAvailable = isCacheFeatureAvailable;
 "use strict";
 
 Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.Outputs = exports.State = exports.LockType = void 0;
 var LockType;
 (function (LockType) {
     LockType["Npm"] = "npm";

docs/advanced-usage.md

@@ -104,6 +104,57 @@ jobs:
       - run: npm test
 ```
 
+## V8 Canary versions
+
+You can specify a nightly version to download it from https://nodejs.org/download/v8-canary.
+
+### Install v8 canary build for specific node version
+
+```yaml
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Node sample
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '20.0.0-v8-canary' # it will install the latest v8 canary release for node 20.0.0
+      - run: npm ci
+      - run: npm test
+```
+### Install v8 canary build for major node version
+
+```yaml
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Node sample
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '20-v8-canary' # it will install the latest v8 canary release for node 20
+      - run: npm ci
+      - run: npm test
+```
+
+### Install the exact v8 canary version
+
+```yaml
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Node sample
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 'v20.1.1-v8-canary20221103f7e2421e91'
+      - run: npm ci
+      - run: npm test
+```
+
 ## Nightly versions
 
 You can specify a nightly version to download it from https://nodejs.org/download/nightly. 

package-lock.json

@@ -28,7 +28,7 @@
         "jest-circus": "^27.2.5",
         "prettier": "^1.19.1",
         "ts-jest": "^27.0.5",
-        "typescript": "^3.8.3"
+        "typescript": "^4.2.3"
       }
     },
     "node_modules/@actions/cache": {
@@ -3779,13 +3779,10 @@
       }
     },
     "node_modules/json5": {
-      "version": "2.2.0",
+      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.2.tgz",
-      "integrity": "sha512-f+8cldu7X/y7RAJurMEJmdoKXGB/X550w2Nr3tTbezL6RwEE/iMcm+tZnXeoZtKuOq6ft8+CqzEkrIgx1fPoQA==",
+      "integrity": "sha512-46Tk9JiOL2z7ytNQWFLpj99RZkVgeHf87yGQKsIkaPz1qSH9UczKH1rO7K3wgRselo0tYMUNfecYpm/p1vC7tQ==",
       "dev": true,
-      "dependencies": {
-        "minimist": "^1.2.5"
-      },
       "bin": {
         "json5": "lib/cli.js"
       },
@@ -3965,12 +3962,6 @@
         "node": "*"
       }
     },
-    "node_modules/minimist": {
-      "version": "1.2.6",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
-      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
-      "dev": true
-    },
     "node_modules/ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -4813,9 +4804,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "3.8.3",
+      "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.3.tgz",
-      "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
+      "integrity": "sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -8088,13 +8079,10 @@
       "dev": true
     },
     "json5": {
-      "version": "2.2.0",
+      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.2.tgz",
-      "integrity": "sha512-f+8cldu7X/y7RAJurMEJmdoKXGB/X550w2Nr3tTbezL6RwEE/iMcm+tZnXeoZtKuOq6ft8+CqzEkrIgx1fPoQA==",
+      "integrity": "sha512-46Tk9JiOL2z7ytNQWFLpj99RZkVgeHf87yGQKsIkaPz1qSH9UczKH1rO7K3wgRselo0tYMUNfecYpm/p1vC7tQ==",
-      "dev": true,
+      "dev": true
-      "requires": {
-        "minimist": "^1.2.5"
-      }
     },
     "kleur": {
       "version": "3.0.3",
@@ -8229,12 +8217,6 @@
         "brace-expansion": "^1.1.7"
       }
     },
-    "minimist": {
-      "version": "1.2.6",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
-      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
-      "dev": true
-    },
     "ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -8861,9 +8843,9 @@
       }
     },
     "typescript": {
-      "version": "3.8.3",
+      "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.3.tgz",
-      "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
+      "integrity": "sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==",
       "dev": true
     },
     "universal-user-agent": {

package.json

@@ -43,6 +43,6 @@
     "jest-circus": "^27.2.5",
     "prettier": "^1.19.1",
     "ts-jest": "^27.0.5",
-    "typescript": "^3.8.3"
+    "typescript": "^4.2.3"
   }
 }

src/distributions/base-distribution-prerelease.ts

@@ -0,0 +1,53 @@
+import * as tc from '@actions/tool-cache';
+
+import semver from 'semver';
+
+import BaseDistribution from './base-distribution';
+import {NodeInputs} from './base-models';
+
+export default abstract class BasePrereleaseNodejs extends BaseDistribution {
+  protected abstract distribution: string;
+  constructor(nodeInfo: NodeInputs) {
+    super(nodeInfo);
+  }
+
+  protected findVersionInHostedToolCacheDirectory(): string {
+    let toolPath = '';
+    const localVersionPaths = tc
+      .findAllVersions('node', this.nodeInfo.arch)
+      .filter(i => {
+        const prerelease = semver.prerelease(i);
+        if (!prerelease) {
+          return false;
+        }
+
+        return prerelease[0].includes(this.distribution);
+      });
+    localVersionPaths.sort(semver.rcompare);
+    const localVersion = this.evaluateVersions(localVersionPaths);
+    if (localVersion) {
+      toolPath = tc.find('node', localVersion, this.nodeInfo.arch);
+    }
+
+    return toolPath;
+  }
+
+  protected validRange(versionSpec: string) {
+    let range: string;
+    const [raw, prerelease] = this.splitVersionSpec(versionSpec);
+    const isValidVersion = semver.valid(raw);
+    const rawVersion = (isValidVersion ? raw : semver.coerce(raw))!;
+
+    if (prerelease !== this.distribution) {
+      range = versionSpec;
+    } else {
+      range = `${semver.validRange(`^${rawVersion}-${this.distribution}`)}-0`;
+    }
+
+    return {range, options: {includePrerelease: !isValidVersion}};
+  }
+
+  protected splitVersionSpec(versionSpec: string) {
+    return versionSpec.split(/-(.*)/s);
+  }
+}

src/distributions/base-distribution.ts

@@ -0,0 +1,287 @@
+import * as tc from '@actions/tool-cache';
+import * as hc from '@actions/http-client';
+import * as core from '@actions/core';
+import * as io from '@actions/io';
+
+import semver from 'semver';
+import * as assert from 'assert';
+
+import * as path from 'path';
+import os from 'os';
+import fs from 'fs';
+
+import {NodeInputs, INodeVersion, INodeVersionInfo} from './base-models';
+
+export default abstract class BaseDistribution {
+  protected httpClient: hc.HttpClient;
+  protected osPlat = os.platform();
+
+  constructor(protected nodeInfo: NodeInputs) {
+    this.httpClient = new hc.HttpClient('setup-node', [], {
+      allowRetries: true,
+      maxRetries: 3
+    });
+  }
+
+  protected abstract getDistributionUrl(): string;
+
+  public async setupNodeJs() {
+    let nodeJsVersions: INodeVersion[] | undefined;
+    if (this.nodeInfo.checkLatest) {
+      const evaluatedVersion = await this.findVersionInDist(nodeJsVersions);
+      this.nodeInfo.versionSpec = evaluatedVersion;
+    }
+
+    let toolPath = this.findVersionInHostedToolCacheDirectory();
+    if (toolPath) {
+      core.info(`Found in cache @ ${toolPath}`);
+    } else {
+      const evaluatedVersion = await this.findVersionInDist(nodeJsVersions);
+      const toolName = this.getNodejsDistInfo(evaluatedVersion);
+      toolPath = await this.downloadNodejs(toolName);
+    }
+
+    if (this.osPlat != 'win32') {
+      toolPath = path.join(toolPath, 'bin');
+    }
+
+    core.addPath(toolPath);
+  }
+
+  protected async findVersionInDist(nodeJsVersions?: INodeVersion[]) {
+    if (!nodeJsVersions) {
+      nodeJsVersions = await this.getNodeJsVersions();
+    }
+    const versions = this.filterVersions(nodeJsVersions);
+    const evaluatedVersion = this.evaluateVersions(versions);
+    if (!evaluatedVersion) {
+      throw new Error(
+        `Unable to find Node version '${this.nodeInfo.versionSpec}' for platform ${this.osPlat} and architecture ${this.nodeInfo.arch}.`
+      );
+    }
+
+    return evaluatedVersion;
+  }
+
+  protected evaluateVersions(versions: string[]): string {
+    let version = '';
+
+    const {range, options} = this.validRange(this.nodeInfo.versionSpec);
+
+    core.debug(`evaluating ${versions.length} versions`);
+
+    for (let potential of versions) {
+      const satisfied: boolean = semver.satisfies(potential, range, options);
+      if (satisfied) {
+        version = potential;
+        break;
+      }
+    }
+
+    if (version) {
+      core.debug(`matched: ${version}`);
+    } else {
+      core.debug('match not found');
+    }
+
+    return version;
+  }
+
+  protected findVersionInHostedToolCacheDirectory() {
+    return tc.find('node', this.nodeInfo.versionSpec, this.nodeInfo.arch);
+  }
+
+  protected async getNodeJsVersions(): Promise<INodeVersion[]> {
+    const initialUrl = this.getDistributionUrl();
+    const dataUrl = `${initialUrl}/index.json`;
+
+    let response = await this.httpClient.getJson<INodeVersion[]>(dataUrl);
+    return response.result || [];
+  }
+
+  protected getNodejsDistInfo(version: string) {
+    let osArch: string = this.translateArchToDistUrl(this.nodeInfo.arch);
+    version = semver.clean(version) || '';
+    let fileName: string =
+      this.osPlat == 'win32'
+        ? `node-v${version}-win-${osArch}`
+        : `node-v${version}-${this.osPlat}-${osArch}`;
+    let urlFileName: string =
+      this.osPlat == 'win32' ? `${fileName}.7z` : `${fileName}.tar.gz`;
+    const initialUrl = this.getDistributionUrl();
+    const url = `${initialUrl}/v${version}/${urlFileName}`;
+
+    return <INodeVersionInfo>{
+      downloadUrl: url,
+      resolvedVersion: version,
+      arch: osArch,
+      fileName: fileName
+    };
+  }
+
+  protected async downloadNodejs(info: INodeVersionInfo) {
+    let downloadPath = '';
+    core.info(
+      `Acquiring ${info.resolvedVersion} - ${info.arch} from ${info.downloadUrl}`
+    );
+    try {
+      downloadPath = await tc.downloadTool(info.downloadUrl);
+    } catch (err) {
+      if (err instanceof tc.HTTPError && err.httpStatusCode == 404) {
+        return await this.acquireNodeFromFallbackLocation(
+          info.resolvedVersion,
+          info.arch
+        );
+      }
+
+      throw err;
+    }
+
+    let toolPath = await this.extractArchive(downloadPath, info);
+    core.info('Done');
+
+    return toolPath;
+  }
+
+  protected validRange(versionSpec: string) {
+    let options: semver.Options | undefined;
+    const c = semver.clean(versionSpec) || '';
+    const valid = semver.valid(c) ?? versionSpec;
+
+    return {range: valid, options};
+  }
+
+  protected async acquireNodeFromFallbackLocation(
+    version: string,
+    arch: string = os.arch()
+  ): Promise<string> {
+    const initialUrl = this.getDistributionUrl();
+    let osArch: string = this.translateArchToDistUrl(arch);
+
+    // Create temporary folder to download in to
+    const tempDownloadFolder: string =
+      'temp_' + Math.floor(Math.random() * 2000000000);
+    const tempDirectory = process.env['RUNNER_TEMP'] || '';
+    assert.ok(tempDirectory, 'Expected RUNNER_TEMP to be defined');
+    const tempDir: string = path.join(tempDirectory, tempDownloadFolder);
+    await io.mkdirP(tempDir);
+    let exeUrl: string;
+    let libUrl: string;
+    try {
+      exeUrl = `${initialUrl}/v${version}/win-${osArch}/node.exe`;
+      libUrl = `${initialUrl}/v${version}/win-${osArch}/node.lib`;
+
+      core.info(`Downloading only node binary from ${exeUrl}`);
+
+      const exePath = await tc.downloadTool(exeUrl);
+      await io.cp(exePath, path.join(tempDir, 'node.exe'));
+      const libPath = await tc.downloadTool(libUrl);
+      await io.cp(libPath, path.join(tempDir, 'node.lib'));
+    } catch (err) {
+      if (err instanceof tc.HTTPError && err.httpStatusCode == 404) {
+        exeUrl = `${initialUrl}/v${version}/node.exe`;
+        libUrl = `${initialUrl}/v${version}/node.lib`;
+
+        const exePath = await tc.downloadTool(exeUrl);
+        await io.cp(exePath, path.join(tempDir, 'node.exe'));
+        const libPath = await tc.downloadTool(libUrl);
+        await io.cp(libPath, path.join(tempDir, 'node.lib'));
+      } else {
+        throw err;
+      }
+    }
+
+    const toolPath = await tc.cacheDir(tempDir, 'node', version, arch);
+
+    return toolPath;
+  }
+
+  protected async extractArchive(
+    downloadPath: string,
+    info: INodeVersionInfo | null
+  ) {
+    //
+    // Extract
+    //
+    core.info('Extracting ...');
+    let extPath: string;
+    info = info || ({} as INodeVersionInfo); // satisfy compiler, never null when reaches here
+    if (this.osPlat == 'win32') {
+      const _7zPath = path.join(__dirname, '../..', 'externals', '7zr.exe');
+      extPath = await tc.extract7z(downloadPath, undefined, _7zPath);
+      // 7z extracts to folder matching file name
+      const nestedPath = path.join(
+        extPath,
+        path.basename(info.fileName, '.7z')
+      );
+      if (fs.existsSync(nestedPath)) {
+        extPath = nestedPath;
+      }
+    } else {
+      extPath = await tc.extractTar(downloadPath, undefined, [
+        'xz',
+        '--strip',
+        '1'
+      ]);
+    }
+
+    //
+    // Install into the local tool cache - node extracts with a root folder that matches the fileName downloaded
+    //
+    core.info('Adding to the cache ...');
+    const toolPath = await tc.cacheDir(
+      extPath,
+      'node',
+      info.resolvedVersion,
+      info.arch
+    );
+
+    return toolPath;
+  }
+
+  protected getDistFileName(): string {
+    let osArch: string = this.translateArchToDistUrl(this.nodeInfo.arch);
+
+    // node offers a json list of versions
+    let dataFileName: string;
+    switch (this.osPlat) {
+      case 'linux':
+        dataFileName = `linux-${osArch}`;
+        break;
+      case 'darwin':
+        dataFileName = `osx-${osArch}-tar`;
+        break;
+      case 'win32':
+        dataFileName = `win-${osArch}-exe`;
+        break;
+      default:
+        throw new Error(`Unexpected OS '${this.osPlat}'`);
+    }
+
+    return dataFileName;
+  }
+
+  protected filterVersions(nodeJsVersions: INodeVersion[]) {
+    const versions: string[] = [];
+
+    const dataFileName = this.getDistFileName();
+
+    nodeJsVersions.forEach((nodeVersion: INodeVersion) => {
+      // ensure this version supports your os and platform
+      if (nodeVersion.files.indexOf(dataFileName) >= 0) {
+        versions.push(nodeVersion.version);
+      }
+    });
+
+    return versions.sort(semver.rcompare);
+  }
+
+  protected translateArchToDistUrl(arch: string): string {
+    switch (arch) {
+      case 'arm':
+        return 'armv7l';
+      default:
+        return arch;
+    }
+  }
+}

src/distributions/base-models.ts

@@ -0,0 +1,19 @@
+export interface NodeInputs {
+  versionSpec: string;
+  arch: string;
+  auth?: string;
+  checkLatest: boolean;
+  stable: boolean;
+}
+
+export interface INodeVersionInfo {
+  downloadUrl: string;
+  resolvedVersion: string;
+  arch: string;
+  fileName: string;
+}
+
+export interface INodeVersion {
+  version: string;
+  files: string[];
+}

src/distributions/installer-factory.ts

@@ -0,0 +1,31 @@
+import BaseDistribution from './base-distribution';
+import {NodeInputs} from './base-models';
+import NightlyNodejs from './nightly/nightly_builds';
+import OfficialBuilds from './official_builds/official_builds';
+import RcBuild from './rc/rc_builds';
+import CanaryBuild from './v8-canary/canary_builds';
+
+enum Distributions {
+  DEFAULT = '',
+  CANARY = 'v8-canary',
+  NIGHTLY = 'nightly',
+  RC = 'rc'
+}
+
+export function getNodejsDistribution(
+  installerOptions: NodeInputs
+): BaseDistribution {
+  const versionSpec = installerOptions.versionSpec;
+  let distribution: BaseDistribution;
+  if (versionSpec.includes(Distributions.NIGHTLY)) {
+    distribution = new NightlyNodejs(installerOptions);
+  } else if (versionSpec.includes(Distributions.CANARY)) {
+    distribution = new CanaryBuild(installerOptions);
+  } else if (versionSpec.includes(Distributions.RC)) {
+    distribution = new RcBuild(installerOptions);
+  } else {
+    distribution = new OfficialBuilds(installerOptions);
+  }
+
+  return distribution;
+}

src/distributions/nightly/nightly_builds.ts

@@ -0,0 +1,13 @@
+import BasePrereleaseNodejs from '../base-distribution-prerelease';
+import {NodeInputs} from '../base-models';
+
+export default class NightlyNodejs extends BasePrereleaseNodejs {
+  protected distribution = 'nightly';
+  constructor(nodeInfo: NodeInputs) {
+    super(nodeInfo);
+  }
+
+  protected getDistributionUrl(): string {
+    return 'https://nodejs.org/download/nightly';
+  }
+}

src/distributions/official_builds/official_builds.ts

@@ -0,0 +1,258 @@
+import * as core from '@actions/core';
+import * as tc from '@actions/tool-cache';
+import path from 'path';
+
+import BaseDistribution from '../base-distribution';
+import {NodeInputs, INodeVersion, INodeVersionInfo} from '../base-models';
+
+interface INodeRelease extends tc.IToolRelease {
+  lts?: string;
+}
+
+export default class OfficialBuilds extends BaseDistribution {
+  constructor(nodeInfo: NodeInputs) {
+    super(nodeInfo);
+  }
+
+  public async setupNodeJs() {
+    let manifest: tc.IToolRelease[] | undefined;
+    let nodeJsVersions: INodeVersion[] | undefined;
+    const osArch = this.translateArchToDistUrl(this.nodeInfo.arch);
+    if (this.isLtsAlias(this.nodeInfo.versionSpec)) {
+      core.info('Attempt to resolve LTS alias from manifest...');
+
+      // No try-catch since it's not possible to resolve LTS alias without manifest
+      manifest = await this.getManifest();
+
+      this.nodeInfo.versionSpec = this.resolveLtsAliasFromManifest(
+        this.nodeInfo.versionSpec,
+        this.nodeInfo.stable,
+        manifest
+      );
+    }
+
+    if (this.isLatestSyntax(this.nodeInfo.versionSpec)) {
+      nodeJsVersions = await this.getNodeJsVersions();
+      const versions = this.filterVersions(nodeJsVersions);
+      this.nodeInfo.versionSpec = this.evaluateVersions(versions);
+
+      core.info('getting latest node version...');
+    }
+
+    if (this.nodeInfo.checkLatest) {
+      core.info('Attempt to resolve the latest version from manifest...');
+      const resolvedVersion = await this.resolveVersionFromManifest(
+        this.nodeInfo.versionSpec,
+        this.nodeInfo.stable,
+        osArch,
+        manifest
+      );
+      if (resolvedVersion) {
+        this.nodeInfo.versionSpec = resolvedVersion;
+        core.info(`Resolved as '${resolvedVersion}'`);
+      } else {
+        core.info(
+          `Failed to resolve version ${this.nodeInfo.versionSpec} from manifest`
+        );
+      }
+    }
+
+    let toolPath = this.findVersionInHostedToolCacheDirectory();
+
+    if (toolPath) {
+      core.info(`Found in cache @ ${toolPath}`);
+    } else {
+      let downloadPath = '';
+      try {
+        core.info(`Attempting to download ${this.nodeInfo.versionSpec}...`);
+
+        const versionInfo = await this.getInfoFromManifest(
+          this.nodeInfo.versionSpec,
+          this.nodeInfo.stable,
+          osArch,
+          manifest
+        );
+        if (versionInfo) {
+          core.info(
+            `Acquiring ${versionInfo.resolvedVersion} - ${versionInfo.arch} from ${versionInfo.downloadUrl}`
+          );
+          downloadPath = await tc.downloadTool(
+            versionInfo.downloadUrl,
+            undefined,
+            this.nodeInfo.auth
+          );
+
+          if (downloadPath) {
+            toolPath = await this.extractArchive(downloadPath, versionInfo);
+          }
+        } else {
+          core.info(
+            'Not found in manifest. Falling back to download directly from Node'
+          );
+        }
+      } catch (err) {
+        // Rate limit?
+        if (
+          err instanceof tc.HTTPError &&
+          (err.httpStatusCode === 403 || err.httpStatusCode === 429)
+        ) {
+          core.info(
+            `Received HTTP status code ${err.httpStatusCode}. This usually indicates the rate limit has been exceeded`
+          );
+        } else {
+          core.info(err.message);
+        }
+        core.debug(err.stack);
+        core.info('Falling back to download directly from Node');
+      }
+
+      if (!toolPath) {
+        const nodeJsVersions = await this.getNodeJsVersions();
+        const versions = this.filterVersions(nodeJsVersions);
+        const evaluatedVersion = this.evaluateVersions(versions);
+        if (!evaluatedVersion) {
+          throw new Error(
+            `Unable to find Node version '${this.nodeInfo.versionSpec}' for platform ${this.osPlat} and architecture ${this.nodeInfo.arch}.`
+          );
+        }
+        const toolName = this.getNodejsDistInfo(evaluatedVersion);
+        toolPath = await this.downloadNodejs(toolName);
+      }
+    }
+
+    if (this.osPlat != 'win32') {
+      toolPath = path.join(toolPath, 'bin');
+    }
+
+    core.addPath(toolPath);
+  }
+
+  protected evaluateVersions(versions: string[]): string {
+    let version = '';
+
+    if (this.isLatestSyntax(this.nodeInfo.versionSpec)) {
+      core.info(`getting latest node version...`);
+      return versions[0];
+    }
+
+    version = super.evaluateVersions(versions);
+
+    return version;
+  }
+
+  protected getDistributionUrl(): string {
+    return `https://nodejs.org/dist`;
+  }
+
+  private getManifest(): Promise<tc.IToolRelease[]> {
+    core.debug('Getting manifest from actions/node-versions@main');
+    return tc.getManifestFromRepo(
+      'actions',
+      'node-versions',
+      this.nodeInfo.auth,
+      'main'
+    );
+  }
+
+  private resolveLtsAliasFromManifest(
+    versionSpec: string,
+    stable: boolean,
+    manifest: INodeRelease[]
+  ): string {
+    const alias = versionSpec.split('lts/')[1]?.toLowerCase();
+
+    if (!alias) {
+      throw new Error(
+        `Unable to parse LTS alias for Node version '${versionSpec}'`
+      );
+    }
+
+    core.debug(`LTS alias '${alias}' for Node version '${versionSpec}'`);
+
+    // 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 === '*'
+        ? numbered[numbered.length - 1]
+        : n < 0
+        ? numbered[numbered.length - 1 + n]
+        : aliases[alias];
+
+    if (!release) {
+      throw new Error(
+        `Unable to find LTS release '${alias}' for Node version '${versionSpec}'.`
+      );
+    }
+
+    core.debug(
+      `Found LTS release '${release.version}' for Node version '${versionSpec}'`
+    );
+
+    return release.version.split('.')[0];
+  }
+
+  private async resolveVersionFromManifest(
+    versionSpec: string,
+    stable: boolean,
+    osArch: string,
+    manifest: tc.IToolRelease[] | undefined
+  ): Promise<string | undefined> {
+    try {
+      const info = await this.getInfoFromManifest(
+        versionSpec,
+        stable,
+        osArch,
+        manifest
+      );
+      return info?.resolvedVersion;
+    } catch (err) {
+      core.info('Unable to resolve version from manifest...');
+      core.debug(err.message);
+    }
+  }
+
+  private async getInfoFromManifest(
+    versionSpec: string,
+    stable: boolean,
+    osArch: string,
+    manifest: tc.IToolRelease[] | undefined
+  ): Promise<INodeVersionInfo | null> {
+    let info: INodeVersionInfo | null = null;
+    if (!manifest) {
+      core.debug('No manifest cached');
+      manifest = await this.getManifest();
+    }
+
+    const rel = await tc.findFromManifest(
+      versionSpec,
+      stable,
+      manifest,
+      osArch
+    );
+
+    if (rel && rel.files.length > 0) {
+      info = <INodeVersionInfo>{};
+      info.resolvedVersion = rel.version;
+      info.arch = rel.files[0].arch;
+      info.downloadUrl = rel.files[0].download_url;
+      info.fileName = rel.files[0].filename;
+    }
+
+    return info;
+  }
+
+  private isLtsAlias(versionSpec: string): boolean {
+    return versionSpec.startsWith('lts/');
+  }
+
+  private isLatestSyntax(versionSpec): boolean {
+    return ['current', 'latest', 'node'].includes(versionSpec);
+  }
+}

src/distributions/rc/rc_builds.ts

@@ -0,0 +1,12 @@
+import BaseDistribution from '../base-distribution';
+import {NodeInputs} from '../base-models';
+
+export default class RcBuild extends BaseDistribution {
+  constructor(nodeInfo: NodeInputs) {
+    super(nodeInfo);
+  }
+
+  getDistributionUrl(): string {
+    return 'https://nodejs.org/download/rc';
+  }
+}

src/distributions/v8-canary/canary_builds.ts

@@ -0,0 +1,13 @@
+import BasePrereleaseNodejs from '../base-distribution-prerelease';
+import {NodeInputs} from '../base-models';
+
+export default class CanaryBuild extends BasePrereleaseNodejs {
+  protected distribution = 'v8-canary';
+  constructor(nodeInfo: NodeInputs) {
+    super(nodeInfo);
+  }
+
+  protected getDistributionUrl(): string {
+    return 'https://nodejs.org/download/v8-canary';
+  }
+}

src/installer.ts

@@ -1,606 +0,0 @@
-import os from 'os';
-import * as assert from 'assert';
-import * as core from '@actions/core';
-import * as hc from '@actions/http-client';
-import * as io from '@actions/io';
-import * as tc from '@actions/tool-cache';
-import * as path from 'path';
-import * as semver from 'semver';
-import fs from 'fs';
-
-//
-// Node versions interface
-// see https://nodejs.org/dist/index.json
-// for nightly https://nodejs.org/download/nightly/index.json
-// for rc https://nodejs.org/download/rc/index.json
-//
-export interface INodeVersion {
-  version: string;
-  files: string[];
-}
-
-interface INodeVersionInfo {
-  downloadUrl: string;
-  resolvedVersion: string;
-  arch: string;
-  fileName: string;
-}
-
-interface INodeRelease extends tc.IToolRelease {
-  lts?: string;
-}
-
-export async function getNode(
-  versionSpec: string,
-  stable: boolean,
-  checkLatest: boolean,
-  auth: string | undefined,
-  arch: string = os.arch()
-) {
-  // Store manifest data to avoid multiple calls
-  let manifest: INodeRelease[] | undefined;
-  let nodeVersions: INodeVersion[] | undefined;
-  let isNightly = versionSpec.includes('nightly');
-  let osPlat: string = os.platform();
-  let osArch: string = translateArchToDistUrl(arch);
-
-  if (isLtsAlias(versionSpec)) {
-    core.info('Attempt to resolve LTS alias from manifest...');
-
-    // No try-catch since it's not possible to resolve LTS alias without manifest
-    manifest = await getManifest(auth);
-
-    versionSpec = resolveLtsAliasFromManifest(versionSpec, stable, manifest);
-  }
-
-  if (isLatestSyntax(versionSpec)) {
-    nodeVersions = await getVersionsFromDist(versionSpec);
-    versionSpec = await queryDistForMatch(versionSpec, arch, nodeVersions);
-    core.info(`getting latest node version...`);
-  }
-
-  if (isNightly && checkLatest) {
-    nodeVersions = await getVersionsFromDist(versionSpec);
-    versionSpec = await queryDistForMatch(versionSpec, arch, nodeVersions);
-  }
-
-  if (checkLatest && !isNightly) {
-    core.info('Attempt to resolve the latest version from manifest...');
-    const resolvedVersion = await resolveVersionFromManifest(
-      versionSpec,
-      stable,
-      auth,
-      osArch,
-      manifest
-    );
-    if (resolvedVersion) {
-      versionSpec = resolvedVersion;
-      core.info(`Resolved as '${versionSpec}'`);
-    } else {
-      core.info(`Failed to resolve version ${versionSpec} from manifest`);
-    }
-  }
-
-  // check cache
-  let toolPath: string;
-  if (isNightly) {
-    const nightlyVersion = findNightlyVersionInHostedToolcache(
-      versionSpec,
-      osArch
-    );
-    toolPath = nightlyVersion && tc.find('node', nightlyVersion, osArch);
-  } else {
-    toolPath = tc.find('node', versionSpec, osArch);
-  }
-
-  // If not found in cache, download
-  if (toolPath) {
-    core.info(`Found in cache @ ${toolPath}`);
-  } else {
-    core.info(`Attempting to download ${versionSpec}...`);
-    let downloadPath = '';
-    let info: INodeVersionInfo | null = null;
-
-    //
-    // Try download from internal distribution (popular versions only)
-    //
-    try {
-      info = await getInfoFromManifest(
-        versionSpec,
-        stable,
-        auth,
-        osArch,
-        manifest
-      );
-      if (info) {
-        core.info(
-          `Acquiring ${info.resolvedVersion} - ${info.arch} from ${info.downloadUrl}`
-        );
-        downloadPath = await tc.downloadTool(info.downloadUrl, undefined, auth);
-      } else {
-        core.info(
-          'Not found in manifest.  Falling back to download directly from Node'
-        );
-      }
-    } catch (err) {
-      // Rate limit?
-      if (
-        err instanceof tc.HTTPError &&
-        (err.httpStatusCode === 403 || err.httpStatusCode === 429)
-      ) {
-        core.info(
-          `Received HTTP status code ${err.httpStatusCode}.  This usually indicates the rate limit has been exceeded`
-        );
-      } else {
-        core.info(err.message);
-      }
-      core.debug(err.stack);
-      core.info('Falling back to download directly from Node');
-    }
-
-    //
-    // Download from nodejs.org
-    //
-    if (!downloadPath) {
-      info = await getInfoFromDist(versionSpec, arch, nodeVersions);
-      if (!info) {
-        throw new Error(
-          `Unable to find Node version '${versionSpec}' for platform ${osPlat} and architecture ${osArch}.`
-        );
-      }
-
-      core.info(
-        `Acquiring ${info.resolvedVersion} - ${info.arch} from ${info.downloadUrl}`
-      );
-      try {
-        downloadPath = await tc.downloadTool(info.downloadUrl);
-      } catch (err) {
-        if (err instanceof tc.HTTPError && err.httpStatusCode == 404) {
-          return await acquireNodeFromFallbackLocation(
-            info.resolvedVersion,
-            info.arch
-          );
-        }
-
-        throw err;
-      }
-    }
-
-    //
-    // Extract
-    //
-    core.info('Extracting ...');
-    let extPath: string;
-    info = info || ({} as INodeVersionInfo); // satisfy compiler, never null when reaches here
-    if (osPlat == 'win32') {
-      let _7zPath = path.join(__dirname, '../..', 'externals', '7zr.exe');
-      extPath = await tc.extract7z(downloadPath, undefined, _7zPath);
-      // 7z extracts to folder matching file name
-      let nestedPath = path.join(extPath, path.basename(info.fileName, '.7z'));
-      if (fs.existsSync(nestedPath)) {
-        extPath = nestedPath;
-      }
-    } else {
-      extPath = await tc.extractTar(downloadPath, undefined, [
-        'xz',
-        '--strip',
-        '1'
-      ]);
-    }
-
-    //
-    // Install into the local tool cache - node extracts with a root folder that matches the fileName downloaded
-    //
-    core.info('Adding to the cache ...');
-    toolPath = await tc.cacheDir(
-      extPath,
-      'node',
-      info.resolvedVersion,
-      info.arch
-    );
-    core.info('Done');
-  }
-
-  //
-  // a tool installer initimately knows details about the layout of that tool
-  // for example, node binary is in the bin folder after the extract on Mac/Linux.
-  // layouts could change by version, by platform etc... but that's the tool installers job
-  //
-  if (osPlat != 'win32') {
-    toolPath = path.join(toolPath, 'bin');
-  }
-
-  //
-  // prepend the tools path. instructs the agent to prepend for future tasks
-  core.addPath(toolPath);
-}
-
-function findNightlyVersionInHostedToolcache(
-  versionsSpec: string,
-  osArch: string
-) {
-  const foundAllVersions = tc.findAllVersions('node', osArch);
-  const version = evaluateVersions(foundAllVersions, versionsSpec);
-
-  return version;
-}
-
-function isLtsAlias(versionSpec: string): boolean {
-  return versionSpec.startsWith('lts/');
-}
-
-function getManifest(auth: string | undefined): Promise<tc.IToolRelease[]> {
-  core.debug('Getting manifest from actions/node-versions@main');
-  return tc.getManifestFromRepo('actions', 'node-versions', auth, 'main');
-}
-
-function resolveLtsAliasFromManifest(
-  versionSpec: string,
-  stable: boolean,
-  manifest: INodeRelease[]
-): string {
-  const alias = versionSpec.split('lts/')[1]?.toLowerCase();
-
-  if (!alias) {
-    throw new Error(
-      `Unable to parse LTS alias for Node version '${versionSpec}'`
-    );
-  }
-
-  core.debug(`LTS alias '${alias}' for Node version '${versionSpec}'`);
-
-  // 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 === '*'
-      ? numbered[numbered.length - 1]
-      : n < 0
-      ? numbered[numbered.length - 1 + n]
-      : aliases[alias];
-
-  if (!release) {
-    throw new Error(
-      `Unable to find LTS release '${alias}' for Node version '${versionSpec}'.`
-    );
-  }
-
-  core.debug(
-    `Found LTS release '${release.version}' for Node version '${versionSpec}'`
-  );
-
-  return release.version.split('.')[0];
-}
-
-async function getInfoFromManifest(
-  versionSpec: string,
-  stable: boolean,
-  auth: string | undefined,
-  osArch: string = translateArchToDistUrl(os.arch()),
-  manifest: tc.IToolRelease[] | undefined
-): Promise<INodeVersionInfo | null> {
-  let info: INodeVersionInfo | null = null;
-  if (!manifest) {
-    core.debug('No manifest cached');
-    manifest = await getManifest(auth);
-  }
-
-  const rel = await tc.findFromManifest(versionSpec, stable, manifest, osArch);
-
-  if (rel && rel.files.length > 0) {
-    info = <INodeVersionInfo>{};
-    info.resolvedVersion = rel.version;
-    info.arch = rel.files[0].arch;
-    info.downloadUrl = rel.files[0].download_url;
-    info.fileName = rel.files[0].filename;
-  }
-
-  return info;
-}
-
-async function getInfoFromDist(
-  versionSpec: string,
-  arch: string = os.arch(),
-  nodeVersions?: INodeVersion[]
-): Promise<INodeVersionInfo | null> {
-  let osPlat: string = os.platform();
-  let osArch: string = translateArchToDistUrl(arch);
-
-  let version: string = await queryDistForMatch(
-    versionSpec,
-    arch,
-    nodeVersions
-  );
-
-  if (!version) {
-    return null;
-  }
-
-  //
-  // Download - a tool installer intimately knows how to get the tool (and construct urls)
-  //
-  version = semver.clean(version) || '';
-  let fileName: string =
-    osPlat == 'win32'
-      ? `node-v${version}-win-${osArch}`
-      : `node-v${version}-${osPlat}-${osArch}`;
-  let urlFileName: string =
-    osPlat == 'win32' ? `${fileName}.7z` : `${fileName}.tar.gz`;
-  const initialUrl = getNodejsDistUrl(versionSpec);
-  const url = `${initialUrl}/v${version}/${urlFileName}`;
-
-  return <INodeVersionInfo>{
-    downloadUrl: url,
-    resolvedVersion: version,
-    arch: arch,
-    fileName: fileName
-  };
-}
-
-async function resolveVersionFromManifest(
-  versionSpec: string,
-  stable: boolean,
-  auth: string | undefined,
-  osArch: string = translateArchToDistUrl(os.arch()),
-  manifest: tc.IToolRelease[] | undefined
-): Promise<string | undefined> {
-  try {
-    const info = await getInfoFromManifest(
-      versionSpec,
-      stable,
-      auth,
-      osArch,
-      manifest
-    );
-    return info?.resolvedVersion;
-  } catch (err) {
-    core.info('Unable to resolve version from manifest...');
-    core.debug(err.message);
-  }
-}
-
-function evaluateNightlyVersions(
-  versions: string[],
-  versionSpec: string
-): string {
-  let version = '';
-  let range: string | undefined;
-  const [raw, prerelease] = versionSpec.split('-');
-  const isValidVersion = semver.valid(raw);
-  const rawVersion = isValidVersion ? raw : semver.coerce(raw);
-  if (rawVersion) {
-    if (prerelease !== 'nightly') {
-      range = `${rawVersion}-${prerelease.replace('nightly', 'nightly.')}`;
-    } else {
-      range = `${semver.validRange(`^${rawVersion}-0`)}-0`;
-    }
-  }
-
-  if (range) {
-    versions.sort(semver.rcompare);
-    for (const currentVersion of versions) {
-      const satisfied: boolean =
-        semver.satisfies(
-          currentVersion.replace('-nightly', '-nightly.'),
-          range,
-          {includePrerelease: true}
-        ) && currentVersion.includes('nightly');
-      if (satisfied) {
-        version = currentVersion;
-        break;
-      }
-    }
-  }
-
-  if (version) {
-    core.debug(`matched: ${version}`);
-  } else {
-    core.debug('match not found');
-  }
-
-  return version;
-}
-
-// TODO - should we just export this from @actions/tool-cache? Lifted directly from there
-function evaluateVersions(versions: string[], versionSpec: string): string {
-  let version = '';
-  core.debug(`evaluating ${versions.length} versions`);
-
-  if (versionSpec.includes('nightly')) {
-    return evaluateNightlyVersions(versions, versionSpec);
-  }
-
-  versions = versions.sort(semver.rcompare);
-  for (let i = versions.length - 1; i >= 0; i--) {
-    const potential: string = versions[i];
-    const satisfied: boolean = semver.satisfies(potential, versionSpec);
-    if (satisfied) {
-      version = potential;
-      break;
-    }
-  }
-
-  if (version) {
-    core.debug(`matched: ${version}`);
-  } else {
-    core.debug('match not found');
-  }
-
-  return version;
-}
-
-export function getNodejsDistUrl(version: string) {
-  const prerelease = semver.prerelease(version);
-  if (version.includes('nightly')) {
-    return 'https://nodejs.org/download/nightly';
-  } else if (prerelease) {
-    return 'https://nodejs.org/download/rc';
-  }
-
-  return 'https://nodejs.org/dist';
-}
-
-async function queryDistForMatch(
-  versionSpec: string,
-  arch: string = os.arch(),
-  nodeVersions?: INodeVersion[]
-): Promise<string> {
-  let osPlat: string = os.platform();
-  let osArch: string = translateArchToDistUrl(arch);
-
-  // node offers a json list of versions
-  let dataFileName: string;
-  switch (osPlat) {
-    case 'linux':
-      dataFileName = `linux-${osArch}`;
-      break;
-    case 'darwin':
-      dataFileName = `osx-${osArch}-tar`;
-      break;
-    case 'win32':
-      dataFileName = `win-${osArch}-exe`;
-      break;
-    default:
-      throw new Error(`Unexpected OS '${osPlat}'`);
-  }
-
-  if (!nodeVersions) {
-    core.debug('No dist manifest cached');
-    nodeVersions = await getVersionsFromDist(versionSpec);
-  }
-
-  let versions: string[] = [];
-
-  if (isLatestSyntax(versionSpec)) {
-    core.info(`getting latest node version...`);
-    return nodeVersions[0].version;
-  }
-
-  nodeVersions.forEach((nodeVersion: INodeVersion) => {
-    // ensure this version supports your os and platform
-    if (nodeVersion.files.indexOf(dataFileName) >= 0) {
-      versions.push(nodeVersion.version);
-    }
-  });
-
-  // get the latest version that matches the version spec
-  let version = evaluateVersions(versions, versionSpec);
-  return version;
-}
-
-export async function getVersionsFromDist(
-  versionSpec: string
-): Promise<INodeVersion[]> {
-  const initialUrl = getNodejsDistUrl(versionSpec);
-  const dataUrl = `${initialUrl}/index.json`;
-  let httpClient = new hc.HttpClient('setup-node', [], {
-    allowRetries: true,
-    maxRetries: 3
-  });
-  let response = await httpClient.getJson<INodeVersion[]>(dataUrl);
-  return response.result || [];
-}
-
-// For non LTS versions of Node, the files we need (for Windows) are sometimes located
-// in a different folder than they normally are for other versions.
-// Normally the format is similar to: https://nodejs.org/dist/v5.10.1/node-v5.10.1-win-x64.7z
-// In this case, there will be two files located at:
-//      /dist/v5.10.1/win-x64/node.exe
-//      /dist/v5.10.1/win-x64/node.lib
-// If this is not the structure, there may also be two files located at:
-//      /dist/v0.12.18/node.exe
-//      /dist/v0.12.18/node.lib
-// This method attempts to download and cache the resources from these alternative locations.
-// Note also that the files are normally zipped but in this case they are just an exe
-// and lib file in a folder, not zipped.
-async function acquireNodeFromFallbackLocation(
-  version: string,
-  arch: string = os.arch()
-): Promise<string> {
-  const initialUrl = getNodejsDistUrl(version);
-  let osPlat: string = os.platform();
-  let osArch: string = translateArchToDistUrl(arch);
-
-  // Create temporary folder to download in to
-  const tempDownloadFolder: string =
-    'temp_' + Math.floor(Math.random() * 2000000000);
-  const tempDirectory = process.env['RUNNER_TEMP'] || '';
-  assert.ok(tempDirectory, 'Expected RUNNER_TEMP to be defined');
-  const tempDir: string = path.join(tempDirectory, tempDownloadFolder);
-  await io.mkdirP(tempDir);
-  let exeUrl: string;
-  let libUrl: string;
-  try {
-    exeUrl = `${initialUrl}/v${version}/win-${osArch}/node.exe`;
-    libUrl = `${initialUrl}/v${version}/win-${osArch}/node.lib`;
-
-    core.info(`Downloading only node binary from ${exeUrl}`);
-
-    const exePath = await tc.downloadTool(exeUrl);
-    await io.cp(exePath, path.join(tempDir, 'node.exe'));
-    const libPath = await tc.downloadTool(libUrl);
-    await io.cp(libPath, path.join(tempDir, 'node.lib'));
-  } catch (err) {
-    if (err instanceof tc.HTTPError && err.httpStatusCode == 404) {
-      exeUrl = `${initialUrl}/v${version}/node.exe`;
-      libUrl = `${initialUrl}/v${version}/node.lib`;
-
-      const exePath = await tc.downloadTool(exeUrl);
-      await io.cp(exePath, path.join(tempDir, 'node.exe'));
-      const libPath = await tc.downloadTool(libUrl);
-      await io.cp(libPath, path.join(tempDir, 'node.lib'));
-    } else {
-      throw err;
-    }
-  }
-  let toolPath = await tc.cacheDir(tempDir, 'node', version, arch);
-  core.addPath(toolPath);
-  return toolPath;
-}
-
-// os.arch does not always match the relative download url, e.g.
-// os.arch == 'arm' != node-v12.13.1-linux-armv7l.tar.gz
-// All other currently supported architectures match, e.g.:
-//   os.arch = arm64 => https://nodejs.org/dist/v{VERSION}/node-v{VERSION}-{OS}-arm64.tar.gz
-//   os.arch = x64 => https://nodejs.org/dist/v{VERSION}/node-v{VERSION}-{OS}-x64.tar.gz
-function translateArchToDistUrl(arch: string): string {
-  switch (arch) {
-    case 'arm':
-      return 'armv7l';
-    default:
-      return arch;
-  }
-}
-
-export function parseNodeVersionFile(contents: string): string {
-  let nodeVersion: string | undefined;
-
-  // Try parsing the file as an NPM `package.json` file.
-  try {
-    nodeVersion = JSON.parse(contents).volta?.node;
-    if (!nodeVersion) nodeVersion = JSON.parse(contents).engines?.node;
-  } catch {
-    core.info('Node version file is not JSON file');
-  }
-
-  if (!nodeVersion) {
-    const found = contents.match(/^(?:nodejs\s+)?v?(?<version>[^\s]+)$/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

@@ -1,12 +1,14 @@
 import * as core from '@actions/core';
-import * as exec from '@actions/exec';
+
-import * as installer from './installer';
 import fs from 'fs';
+import os from 'os';
+
 import * as auth from './authutil';
 import * as path from 'path';
 import {restoreCache} from './cache-restore';
-import {isGhes, isCacheFeatureAvailable} from './cache-utils';
+import {isCacheFeatureAvailable} from './cache-utils';
-import os from 'os';
+import {getNodejsDistribution} from './distributions/installer-factory';
+import {parseNodeVersionFile, printEnvDetailsAndSetOutput} from './util';
 
 export async function run() {
   try {
@@ -38,7 +40,15 @@ export async function run() {
         (core.getInput('stable') || 'true').toUpperCase() === 'TRUE';
       const checkLatest =
         (core.getInput('check-latest') || 'false').toUpperCase() === 'TRUE';
-      await installer.getNode(version, stable, checkLatest, auth, arch);
+      const nodejsInfo = {
+        versionSpec: version,
+        checkLatest,
+        auth,
+        stable,
+        arch
+      };
+      const nodeDistribution = getNodejsDistribution(nodejsInfo);
+      await nodeDistribution.setupNodeJs();
     }
 
     await printEnvDetailsAndSetOutput();
@@ -93,48 +103,10 @@ function resolveVersionInput(): string {
       );
     }
 
-    version = installer.parseNodeVersionFile(
+    version = parseNodeVersionFile(fs.readFileSync(versionFilePath, 'utf8'));
-      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.trim();
-  } catch (err) {
-    return '';
-  }
-}

src/util.ts

@@ -0,0 +1,63 @@
+import * as core from '@actions/core';
+import * as exec from '@actions/exec';
+
+export function parseNodeVersionFile(contents: string): string {
+  let nodeVersion: string | undefined;
+
+  // 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');
+  }
+
+  if (!nodeVersion) {
+    const found = contents.match(/^(?:nodejs\s+)?v?(?<version>[^\s]+)$/m);
+    nodeVersion = found?.groups?.version;
+  }
+
+  // In the case of an unknown format,
+  // return as is and evaluate the version separately.
+  if (!nodeVersion) nodeVersion = contents.trim();
+
+  return nodeVersion as string;
+}
+
+export async function printEnvDetailsAndSetOutput() {
+  core.startGroup('Environment details');
+
+  const promises = ['node', 'npm', 'yarn'].map(async tool => {
+    const output = await getToolVersion(tool, ['--version']);
+
+    return {tool, output};
+  });
+
+  const tools = await Promise.all(promises);
+  tools.forEach(({tool, output}) => {
+    if (tool === 'node') {
+      core.setOutput(`${tool}-version`, output);
+    }
+    core.info(`${tool}: ${output}`);
+  });
+
+  core.endGroup();
+}
+
+async function getToolVersion(tool: string, options: string[]) {
+  try {
+    const {stdout, stderr, exitCode} = await exec.getExecOutput(tool, options, {
+      ignoreReturnCode: true,
+      silent: true
+    });
+
+    if (exitCode > 0) {
+      core.info(`[warning]${stderr}`);
+      return '';
+    }
+
+    return stdout.trim();
+  } catch (err) {
+    return '';
+  }
+}