Changed the documentation to specify v before 'version' and code changes to append 'v' if it not provided in version (#11)

* Chnaged the documentation to sepcify v before 'version'

* append v to version incase it does not already include

* review comments fix

.github/workflows/test.yml

@@ -1,20 +0,0 @@
-name: "build-test"
-on: # rebuild any PRs and main branch changes
-  pull_request:
-    branches:
-      - master
-      - 'releases/*'
-  push:
-    branches:
-      - master
-      - 'releases/*'
-
-jobs:
-  build: # make sure build/ci works properly
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v1
-    - run: |
-        npm install
-        npm build
-        npm test

.gitignore

@@ -59,6 +59,3 @@ typings/
 
 # next.js build output
 .next
-
-node_modules
-coverage

__tests__/run.test.ts

@@ -1,195 +0,0 @@
-import * as run from '../src/run'
-import * as os from 'os';
-import * as toolCache from '@actions/tool-cache';
-import * as fs from 'fs';
-import * as path from 'path';
-import * as core from '@actions/core';
-
-describe('run.ts', () => {
-    test('getExecutableExtension() - return .exe when os is Windows', () => {
-        jest.spyOn(os, 'type').mockReturnValue('Windows_NT');
-
-        expect(run.getExecutableExtension()).toBe('.exe');
-        expect(os.type).toBeCalled();         
-    });
-
-    test('getExecutableExtension() - return empty string for non-windows OS', () => {
-        jest.spyOn(os, 'type').mockReturnValue('Darwin');
-
-        expect(run.getExecutableExtension()).toBe('');         
-        expect(os.type).toBeCalled();         
-    });
-
-    test('getHelmDownloadURL() - return the URL to download helm for Linux', () => {
-        jest.spyOn(os, 'type').mockReturnValue('Linux');
-        const kubectlLinuxUrl = 'https://get.helm.sh/helm-v3.2.1-linux-amd64.zip'
-
-        expect(run.getHelmDownloadURL('v3.2.1')).toBe(kubectlLinuxUrl);
-        expect(os.type).toBeCalled();         
-    });
-
-    test('getHelmDownloadURL() - return the URL to download helm for Darwin', () => {
-        jest.spyOn(os, 'type').mockReturnValue('Darwin');
-        const kubectlDarwinUrl = 'https://get.helm.sh/helm-v3.2.1-darwin-amd64.zip'
-
-        expect(run.getHelmDownloadURL('v3.2.1')).toBe(kubectlDarwinUrl);
-        expect(os.type).toBeCalled();         
-    });
-
-    test('getHelmDownloadURL() - return the URL to download helm for Windows', () => {
-        jest.spyOn(os, 'type').mockReturnValue('Windows_NT');
-
-        const kubectlWindowsUrl = 'https://get.helm.sh/helm-v3.2.1-windows-amd64.zip'
-        expect(run.getHelmDownloadURL('v3.2.1')).toBe(kubectlWindowsUrl);
-        expect(os.type).toBeCalled();         
-    });
-
-    test('getStableHelmVersion() - download stable version file, read version and return it', async () => {
-        jest.spyOn(toolCache, 'downloadTool').mockResolvedValue('pathToTool');
-        const response = JSON.stringify(
-            [
-                {
-                    'tag_name': 'v4.0.0'
-                }, {
-                    'tag_name': 'v3.0.0'
-                }, {
-                    'tag_name': 'v2.0.0'
-                }
-            ]
-        );
-        jest.spyOn(fs, 'readFileSync').mockReturnValue(response);
-
-        expect(await run.getStableHelmVersion()).toBe('v4.0.0');
-        expect(toolCache.downloadTool).toBeCalled();
-        expect(fs.readFileSync).toBeCalledWith('pathToTool', 'utf8');
-    });
-
-    test('getStableHelmVersion() - return default version if error occurs while getting latest version', async () => {
-        jest.spyOn(toolCache, 'downloadTool').mockRejectedValue('Unable to download');
-        jest.spyOn(core, 'warning').mockImplementation();
-
-        expect(await run.getStableHelmVersion()).toBe('v3.2.1');
-        expect(toolCache.downloadTool).toBeCalled();
-        expect(core.warning).toBeCalledWith("Cannot get the latest Helm info from https://api.github.com/repos/helm/helm/releases. Error Unable to download. Using default Helm version v3.2.1.");
-    });
-
-    test('walkSync() - return path to the all files matching fileToFind in dir', () => {
-        jest.spyOn(fs, 'readdirSync').mockImplementation((file, _) => {
-            if (file == 'mainFolder') return ['file1' as unknown as fs.Dirent, 'file2' as unknown as fs.Dirent, 'folder1' as unknown as fs.Dirent, 'folder2' as unknown as fs.Dirent];
-            if (file == path.join('mainFolder', 'folder1')) return ['file11' as unknown as fs.Dirent, 'file12' as unknown as fs.Dirent];
-            if (file == path.join('mainFolder', 'folder2')) return ['file21' as unknown as fs.Dirent, 'file22' as unknown as fs.Dirent];
-        });
-        jest.spyOn(core, 'debug').mockImplementation();
-        jest.spyOn(fs, 'statSync').mockImplementation((file) => {
-            const isDirectory = (file as string).toLowerCase().indexOf('file') == -1 ? true: false
-            return { isDirectory: () => isDirectory } as fs.Stats;
-        });
-
-        expect(run.walkSync('mainFolder', null, 'file21')).toEqual([path.join('mainFolder', 'folder2', 'file21')]);
-        expect(fs.readdirSync).toBeCalledTimes(3);
-        expect(fs.statSync).toBeCalledTimes(8);
-    });
-
-    test('walkSync() - return empty array if no file with name fileToFind exists', () => {
-        jest.spyOn(fs, 'readdirSync').mockImplementation((file, _) => {
-            if (file == 'mainFolder') return ['file1' as unknown as fs.Dirent, 'file2' as unknown as fs.Dirent, 'folder1' as unknown as fs.Dirent, 'folder2' as unknown as fs.Dirent];
-            if (file == path.join('mainFolder', 'folder1')) return ['file11' as unknown as fs.Dirent, 'file12' as unknown as fs.Dirent];
-            if (file == path.join('mainFolder', 'folder2')) return ['file21' as unknown as fs.Dirent, 'file22' as unknown as fs.Dirent];
-        });
-        jest.spyOn(core, 'debug').mockImplementation();
-        jest.spyOn(fs, 'statSync').mockImplementation((file) => {
-            const isDirectory = (file as string).toLowerCase().indexOf('file') == -1 ? true: false
-            return { isDirectory: () => isDirectory } as fs.Stats;
-        });
-
-        expect(run.walkSync('mainFolder', null, 'helm.exe')).toEqual([]);
-        expect(fs.readdirSync).toBeCalledTimes(3);
-        expect(fs.statSync).toBeCalledTimes(8);
-    });
-
-    test('findHelm() - change access permissions and find the helm in given directory', () => {
-        jest.spyOn(fs, 'chmodSync').mockImplementation(() => {});
-        jest.spyOn(fs, 'readdirSync').mockImplementation((file, _) => {
-            if (file == 'mainFolder') return ['helm.exe' as unknown as fs.Dirent];
-        });
-        jest.spyOn(fs, 'statSync').mockImplementation((file) => {
-            const isDirectory = (file as string).indexOf('folder') == -1 ? false: true
-            return { isDirectory: () => isDirectory } as fs.Stats;
-        });
-        jest.spyOn(os, 'type').mockReturnValue('Windows_NT');
-
-        expect(run.findHelm('mainFolder')).toBe(path.join('mainFolder', 'helm.exe'));
-    });
-
-    test('findHelm() - throw error if executable not found', () => {
-        jest.spyOn(fs, 'chmodSync').mockImplementation(() => {});
-        jest.spyOn(fs, 'readdirSync').mockImplementation((file, _) => {
-            if (file == 'mainFolder') return [];
-        });
-        jest.spyOn(fs, 'statSync').mockImplementation((file) => { return { isDirectory: () => true } as fs.Stats});
-        jest.spyOn(os, 'type').mockReturnValue('Windows_NT');
-        expect(() => run.findHelm('mainFolder')).toThrow('Helm executable not found in path mainFolder');
-    });
-
-    test('downloadHelm() - download helm and return path to it', async () => {
-        jest.spyOn(toolCache, 'find').mockReturnValue('');
-        jest.spyOn(toolCache, 'downloadTool').mockResolvedValue('pathToTool');
-        const response = JSON.stringify([{'tag_name': 'v4.0.0'}]);
-        jest.spyOn(fs, 'readFileSync').mockReturnValue(response);
-        jest.spyOn(os, 'type').mockReturnValue('Windows_NT');
-        jest.spyOn(fs, 'chmodSync').mockImplementation(() => {});
-        jest.spyOn(toolCache, 'extractZip').mockResolvedValue('pathToUnzippedHelm');
-        jest.spyOn(toolCache, 'cacheDir').mockResolvedValue('pathToCachedDir');
-        jest.spyOn(fs, 'readdirSync').mockImplementation((file, _) => ['helm.exe' as unknown as fs.Dirent]);
-        jest.spyOn(fs, 'statSync').mockImplementation((file) => {
-            const isDirectory = (file as string).indexOf('folder') == -1 ? false: true
-            return { isDirectory: () =>  isDirectory } as fs.Stats;
-        });
-
-        expect(await run.downloadHelm(null)).toBe(path.join('pathToCachedDir', 'helm.exe'));
-        expect(toolCache.find).toBeCalledWith('helm', 'v4.0.0');
-        expect(toolCache.downloadTool).toBeCalledWith('https://get.helm.sh/helm-v4.0.0-windows-amd64.zip');
-        expect(fs.chmodSync).toBeCalledWith('pathToTool', '777');
-        expect(toolCache.extractZip).toBeCalledWith('pathToTool');
-        expect(fs.chmodSync).toBeCalledWith(path.join('pathToCachedDir', 'helm.exe'), '777');
-    });
-
-    test('downloadHelm() - throw error if unable to download', async () => {
-        jest.spyOn(toolCache, 'find').mockReturnValue('');
-        jest.spyOn(toolCache, 'downloadTool').mockImplementation(async () => { throw 'Unable to download'});
-        jest.spyOn(os, 'type').mockReturnValue('Windows_NT');
-
-        await expect(run.downloadHelm('v3.2.1')).rejects.toThrow('Failed to download Helm from location https://get.helm.sh/helm-v3.2.1-windows-amd64.zip');
-        expect(toolCache.find).toBeCalledWith('helm', 'v3.2.1');
-        expect(toolCache.downloadTool).toBeCalledWith('https://get.helm.sh/helm-v3.2.1-windows-amd64.zip');
-    });
-
-    test('downloadHelm() - return path to helm tool with same version from toolCache', async () => {
-        jest.spyOn(toolCache, 'find').mockReturnValue('pathToCachedDir');
-        jest.spyOn(fs, 'chmodSync').mockImplementation(() => {});
-
-        expect(await run.downloadHelm('v3.2.1')).toBe(path.join('pathToCachedDir', 'helm.exe'));
-        expect(toolCache.find).toBeCalledWith('helm', 'v3.2.1');
-        expect(fs.chmodSync).toBeCalledWith(path.join('pathToCachedDir', 'helm.exe'), '777');
-    });
-
-    test('downloadHelm() - throw error is helm is not found in path', async () => {
-        jest.spyOn(toolCache, 'find').mockReturnValue('');
-        jest.spyOn(toolCache, 'downloadTool').mockResolvedValue('pathToTool');
-        jest.spyOn(os, 'type').mockReturnValue('Windows_NT');
-        jest.spyOn(fs, 'chmodSync').mockImplementation();
-        jest.spyOn(toolCache, 'extractZip').mockResolvedValue('pathToUnzippedHelm');
-        jest.spyOn(toolCache, 'cacheDir').mockResolvedValue('pathToCachedDir');
-        jest.spyOn(fs, 'readdirSync').mockImplementation((file, _) => []);
-        jest.spyOn(fs, 'statSync').mockImplementation((file) => {
-            const isDirectory = (file as string).indexOf('folder') == -1 ? false: true
-            return { isDirectory: () =>  isDirectory } as fs.Stats;
-        });
-
-        await expect(run.downloadHelm('v3.2.1')).rejects.toThrow('Helm executable not found in path pathToCachedDir');
-        expect(toolCache.find).toBeCalledWith('helm', 'v3.2.1');
-        expect(toolCache.downloadTool).toBeCalledWith('https://get.helm.sh/helm-v3.2.1-windows-amd64.zip');
-        expect(fs.chmodSync).toBeCalledWith('pathToTool', '777');
-        expect(toolCache.extractZip).toBeCalledWith('pathToTool');
-    });
-});  

action.yml

@@ -1,14 +1,10 @@
 name: 'Helm tool installer'
 description: 'Install a specific version of helm binary. Acceptable values are latest or any semantic version string like 1.15.0'
-inputs:
+inputs: 
   version:
     description: 'Version of helm'
     required: true
     default: 'latest'
-  token:
-    description: 'Github token'
-    default: ${{ github.token }}
-    required: true
 outputs:
   helm-path:
     description: 'Path to the cached helm binary'

jest.config.js

@@ -1,18 +0,0 @@
-module.exports = {
-  clearMocks: true,
-  moduleFileExtensions: ['js', 'ts'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.test.ts'],
-  transform: {
-    '^.+\\.ts$': 'ts-jest'
-  },
-  verbose: true,
-  coverageThreshold: {
-    "global": {
-      "branches": 0,
-      "functions": 14,
-      "lines": 27,
-      "statements": 27
-    }
-  }
-}

lib/run.js

@@ -1,26 +1,6 @@
 "use strict";
 // Copyright (c) Microsoft Corporation.
-// Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
-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.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) {
@@ -30,8 +10,14 @@ 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.getStableHelmVersion = void 0;
 const os = __importStar(require("os"));
 const path = __importStar(require("path"));
 const util = __importStar(require("util"));
@@ -39,13 +25,8 @@ const fs = __importStar(require("fs"));
 const semver = __importStar(require("semver"));
 const toolCache = __importStar(require("@actions/tool-cache"));
 const core = __importStar(require("@actions/core"));
-const graphql_1 = require("@octokit/graphql");
 const helmToolName = 'helm';
 const stableHelmVersion = 'v3.2.1';
-const stableHelm3Version = 'v3.5.3';
-const stableHelm2Version = 'v2.17.0';
-const LATEST_HELM2_VERSION = '2.*';
-const LATEST_HELM3_VERSION = '3.*';
 const helmAllReleasesUrl = 'https://api.github.com/repos/helm/helm/releases';
 function getExecutableExtension() {
     if (os.type().match(/^Win/)) {
@@ -90,7 +71,6 @@ function getStableHelmVersion() {
         return stableHelmVersion;
     });
 }
-exports.getStableHelmVersion = getStableHelmVersion;
 var walkSync = function (dir, filelist, fileToFind) {
     var files = fs.readdirSync(dir);
     filelist = filelist || [];
@@ -110,7 +90,7 @@ var walkSync = function (dir, filelist, fileToFind) {
 function downloadHelm(version) {
     return __awaiter(this, void 0, void 0, function* () {
         if (!version) {
-            version = yield getLatestHelmVersionFor("v3");
+            version = yield getStableHelmVersion();
         }
         let cachedToolpath = toolCache.find(helmToolName, version);
         if (!cachedToolpath) {
@@ -133,45 +113,6 @@ function downloadHelm(version) {
         return helmpath;
     });
 }
-function getLatestHelmVersionFor(type) {
-    return __awaiter(this, void 0, void 0, function* () {
-        const token = core.getInput('token', { 'required': true });
-        try {
-            const { repository } = yield graphql_1.graphql(`{
-                repository(name: "helm", owner: "helm") {
-                    releases(last: 100)  {
-                        nodes {
-                            tagName
-                        }
-                    }
-                }
-            }`, {
-                headers: {
-                    authorization: `token ${token}`
-                }
-            });
-            const releases = repository.releases.nodes.reverse();
-            let latestValidRelease = releases.find(release => isValidVersion(release.tagName, type));
-            if (latestValidRelease)
-                return latestValidRelease.tagName;
-        }
-        catch (err) {
-            core.warning(util.format("Error while fetching the latest Helm %s release. Error: %s. Using default Helm version %s.", type, err.toString(), getStableHelmVersionFor(type)));
-            return getStableHelmVersionFor(type);
-        }
-        core.warning(util.format("Could not find stable release for Helm %s. Using default Helm version %s.", type, getStableHelmVersionFor(type)));
-        return getStableHelmVersionFor(type);
-    });
-}
-function getStableHelmVersionFor(type) {
-    return type === "v2" ? stableHelm2Version : stableHelm3Version;
-}
-// isValidVersion checks if verison matches the specified type and is a stable release
-function isValidVersion(version, type) {
-    if (!version.toLocaleLowerCase().startsWith(type))
-        return false;
-    return version.indexOf('rc') == -1;
-}
 function findHelm(rootFolder) {
     fs.chmodSync(rootFolder, '777');
     var filelist = [];
@@ -186,26 +127,12 @@ function findHelm(rootFolder) {
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         let version = core.getInput('version', { 'required': true });
-        if (process.env['HELM_INSTALLER_LEGACY_VERSIONING'] == 'true') {
-            if (version.toLocaleLowerCase() === 'latest') {
-                version = yield getStableHelmVersion();
-            }
-            else if (!version.toLocaleLowerCase().startsWith('v')) {
-                version = 'v' + version;
-            }
+        if (version.toLocaleLowerCase() === 'latest') {
+            version = yield getStableHelmVersion();
         }
-        else {
-            if (version.toLocaleLowerCase() === 'latest' || version === LATEST_HELM3_VERSION) {
-                version = yield getLatestHelmVersionFor("v3");
-            }
-            else if (version === LATEST_HELM2_VERSION) {
-                version = yield getLatestHelmVersionFor("v2");
-            }
-            else if (!version.toLocaleLowerCase().startsWith('v')) {
-                version = 'v' + version;
-            }
+        else if (!version.toLocaleLowerCase().startsWith('v')) {
+            version = 'v' + version;
         }
-        core.debug(util.format("Downloading %s", version));
         let cachedPath = yield downloadHelm(version);
         try {
             if (!process.env['PATH'].startsWith(path.dirname(cachedPath))) {

package.json

@@ -6,24 +6,19 @@
     "author": "Anumita Shenoy",
     "license": "MIT",
     "dependencies": {
-        "@actions/core": "^1.2.6",
-        "@actions/exec": "^1.0.0",
-        "@actions/io": "^1.0.0",
         "@actions/tool-cache": "1.1.2",
-        "@octokit/graphql": "^4.6.1",
+        "@actions/io": "^1.0.0",
+        "@actions/core": "^1.0.0",
+        "@actions/exec": "^1.0.0",
         "semver": "^6.1.0"
     },
     "main": "lib/run.js",
     "scripts": {
         "build": "tsc",
-        "test": "jest",
-        "test-coverage": "jest --coverage"
+        "test": "echo \"Error: no test specified\" && exit 1"
     },
     "devDependencies": {
         "@types/node": "^12.0.10",
-        "typescript": "^3.5.2",
-        "jest": "^26.0.1",
-        "@types/jest": "^25.2.2",
-        "ts-jest": "^25.5.1"
+        "typescript": "^3.5.2"
     }
 }

src/run.ts

@@ -1,5 +1,4 @@
 // Copyright (c) Microsoft Corporation.
-// Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
 import * as os from 'os';
@@ -10,24 +9,19 @@ import * as semver from 'semver';
 
 import * as toolCache from '@actions/tool-cache';
 import * as core from '@actions/core';
-import { graphql } from '@octokit/graphql';
 
 const helmToolName = 'helm';
 const stableHelmVersion = 'v3.2.1';
-const stableHelm3Version = 'v3.5.3';
-const stableHelm2Version = 'v2.17.0';
-const LATEST_HELM2_VERSION = '2.*';
-const LATEST_HELM3_VERSION = '3.*';
 const helmAllReleasesUrl = 'https://api.github.com/repos/helm/helm/releases';
 
-export function getExecutableExtension(): string {
+function getExecutableExtension(): string {
     if (os.type().match(/^Win/)) {
         return '.exe';
     }
     return '';
 }
 
-export function getHelmDownloadURL(version: string): string {
+function getHelmDownloadURL(version: string): string {
     switch (os.type()) {
         case 'Linux':
             return util.format('https://get.helm.sh/helm-%s-linux-amd64.zip', version);
@@ -38,10 +32,11 @@ export function getHelmDownloadURL(version: string): string {
         case 'Windows_NT':
         default:
             return util.format('https://get.helm.sh/helm-%s-windows-amd64.zip', version);
+
     }
 }
 
-export async function getStableHelmVersion(): Promise<string> {
+async function getStableHelmVersion(): Promise<string> {
     try {
         const downloadPath = await toolCache.downloadTool(helmAllReleasesUrl);
         const responseArray = JSON.parse(fs.readFileSync(downloadPath, 'utf8').toString().trim());
@@ -66,7 +61,8 @@ export async function getStableHelmVersion(): Promise<string> {
     return stableHelmVersion;
 }
 
-export var walkSync = function (dir, filelist, fileToFind) {
+
+var walkSync = function (dir, filelist, fileToFind) {
     var files = fs.readdirSync(dir);
     filelist = filelist || [];
     files.forEach(function (file) {
@@ -83,7 +79,7 @@ export var walkSync = function (dir, filelist, fileToFind) {
     return filelist;
 };
 
-export async function downloadHelm(version: string): Promise<string> {
+async function downloadHelm(version: string): Promise<string> {
     if (!version) { version = await getStableHelmVersion(); }
     let cachedToolpath = toolCache.find(helmToolName, version);
     if (!cachedToolpath) {
@@ -91,7 +87,7 @@ export async function downloadHelm(version: string): Promise<string> {
         try {
             helmDownloadPath = await toolCache.downloadTool(getHelmDownloadURL(version));
         } catch (exception) {
-            throw new Error(util.format("Failed to download Helm from location", getHelmDownloadURL(version)));
+            throw new Error(util.format("Failed to download Helm from location ", getHelmDownloadURL(version)));
         }
 
         fs.chmodSync(helmDownloadPath, '777');
@@ -101,88 +97,33 @@ export async function downloadHelm(version: string): Promise<string> {
 
     const helmpath = findHelm(cachedToolpath);
     if (!helmpath) {
-        throw new Error(util.format("Helm executable not found in path", cachedToolpath));
+        throw new Error(util.format("Helm executable not found in path ", cachedToolpath));
     }
 
     fs.chmodSync(helmpath, '777');
     return helmpath;
 }
 
-async function getLatestHelmVersionFor(type: string): Promise<string> {
-    const token = core.getInput('token', { 'required': true });
-    try {
-        const { repository } = await graphql(
-            `{
-                repository(name: "helm", owner: "helm") {
-                    releases(last: 100)  {
-                        nodes {
-                            tagName
-                        }
-                    }
-                }
-            }`,
-            {
-                headers: {
-                    authorization: `token ${token}`
-                }
-            }
-        );
-
-        const releases = repository.releases.nodes.reverse();
-        let latestValidRelease = releases.find(release => isValidVersion(release.tagName, type));
-        if (latestValidRelease)
-            return latestValidRelease.tagName;
-    } catch (err) {
-        core.warning(util.format("Error while fetching the latest Helm %s release. Error: %s. Using default Helm version %s.", type, err.toString(), getStableHelmVersionFor(type)));
-        return getStableHelmVersionFor(type);
-    }
-    core.warning(util.format("Could not find stable release for Helm %s. Using default Helm version %s.", type, getStableHelmVersionFor(type)));
-    return getStableHelmVersionFor(type);
-}
-
-function getStableHelmVersionFor(type: string) {
-    return type === "v2" ? stableHelm2Version : stableHelm3Version;
-}
-
-// isValidVersion checks if verison matches the specified type and is a stable release
-function isValidVersion(version: string, type: string): boolean {
-    if (!version.toLocaleLowerCase().startsWith(type))
-        return false;
-    return version.indexOf('rc') == -1;
-}
-
-export function findHelm(rootFolder: string): string {
+function findHelm(rootFolder: string): string {
     fs.chmodSync(rootFolder, '777');
     var filelist: string[] = [];
     walkSync(rootFolder, filelist, helmToolName + getExecutableExtension());
-    if (!filelist || filelist.length == 0) {
-        throw new Error(util.format("Helm executable not found in path", rootFolder));
+    if (!filelist) {
+        throw new Error(util.format("Helm executable not found in path ", rootFolder));
     }
     else {
         return filelist[0];
     }
 }
 
-export async function run() {
+async function run() {
     let version = core.getInput('version', { 'required': true });
-
-    if (process.env['HELM_INSTALLER_LEGACY_VERSIONING'] == 'true') {
-        if (version.toLocaleLowerCase() === 'latest') {
-            version = await getStableHelmVersion();
-        } else if (!version.toLocaleLowerCase().startsWith('v')) {
-            version = 'v' + version;
-        }
-    } else {
-        if (version.toLocaleLowerCase() === 'latest' || version === LATEST_HELM3_VERSION) {
-            version = await getLatestHelmVersionFor("v3");
-        } else if (version === LATEST_HELM2_VERSION) {
-            version = await getLatestHelmVersionFor("v2");
-        } else if (!version.toLocaleLowerCase().startsWith('v')) {
-            version = 'v' + version;
-        }
+    if (version.toLocaleLowerCase() === 'latest') {
+        version = await getStableHelmVersion();
+    } else if (!version.toLocaleLowerCase().startsWith('v')) {
+        version = 'v' + version;
     }
 
-    core.debug(util.format("Downloading %s", version));
     let cachedPath = await downloadHelm(version);
 
     try {

tsconfig.json

@@ -45,7 +45,7 @@
     // "typeRoots": [],                       /* List of folders to include type definitions from. */
     // "types": [],                           /* Type declaration files to be included in compilation. */
     // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
-    // "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
     // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
     // "allowUmdGlobalAccess": true,          /* Allow accessing UMD globals from modules. */