build

.github/CODEOWNERS

@@ -1 +1 @@
-* @Azure/cloud-native-github-action-owners
+* @Azure/aks-atlanta

.github/workflows/codeql.yml

@@ -1,91 +0,0 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
-name: 'CodeQL Advanced'
-
-on:
-   push:
-      branches: ['main']
-   pull_request:
-      branches: ['main']
-   schedule:
-      - cron: '15 9 * * 0'
-
-jobs:
-   analyze:
-      name: Analyze (${{ matrix.language }})
-      # Runner size impacts CodeQL analysis time. To learn more, please see:
-      #   - https://gh.io/recommended-hardware-resources-for-running-codeql
-      #   - https://gh.io/supported-runners-and-hardware-resources
-      #   - https://gh.io/using-larger-runners (GitHub.com only)
-      # Consider using larger runners or machines with greater resources for possible analysis time improvements.
-      runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }}
-      permissions:
-         # required for all workflows
-         security-events: write
-
-         # required to fetch internal or private CodeQL packs
-         packages: read
-
-         # only required for workflows in private repositories
-         actions: read
-         contents: read
-
-      strategy:
-         fail-fast: false
-         matrix:
-            include:
-               - language: javascript-typescript
-                 build-mode: none
-            # CodeQL supports the following values keywords for 'language': 'c-cpp', 'csharp', 'go', 'java-kotlin', 'javascript-typescript', 'python', 'ruby', 'swift'
-            # Use `c-cpp` to analyze code written in C, C++ or both
-            # Use 'java-kotlin' to analyze code written in Java, Kotlin or both
-            # Use 'javascript-typescript' to analyze code written in JavaScript, TypeScript or both
-            # To learn more about changing the languages that are analyzed or customizing the build mode for your analysis,
-            # see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/customizing-your-advanced-setup-for-code-scanning.
-            # If you are analyzing a compiled language, you can modify the 'build-mode' for that language to customize how
-            # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
-      steps:
-         - name: Checkout repository
-           uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-
-         # Initializes the CodeQL tools for scanning.
-         - name: Initialize CodeQL
-           uses: github/codeql-action/init@c10b8064de6f491fea524254123dbe5e09572f13 # v3.29.5
-           with:
-              languages: ${{ matrix.language }}
-              build-mode: ${{ matrix.build-mode }}
-              # If you wish to specify custom queries, you can do so here or in a config file.
-              # By default, queries listed here will override any specified in a config file.
-              # Prefix the list here with "+" to use these queries and those in the config file.
-
-              # For more details on CodeQL's query packs, refer to: https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
-              # queries: security-extended,security-and-quality
-
-         # If the analyze step fails for one of the languages you are analyzing with
-         # "We were unable to automatically build your code", modify the matrix above
-         # to set the build mode to "manual" for that language. Then modify this step
-         # to build your code.
-         # ℹ️ Command-line programs to run using the OS shell.
-         # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
-         - if: matrix.build-mode == 'manual'
-           shell: bash
-           run: |
-              echo 'If you are using a "manual" build mode for one or more of the' \
-                'languages you are analyzing, replace this with the commands to build' \
-                'your code, for example:'
-              echo '  make bootstrap'
-              echo '  make release'
-              exit 1
-         - name: Perform CodeQL Analysis
-           uses: github/codeql-action/analyze@c10b8064de6f491fea524254123dbe5e09572f13 # v3.29.5
-           with:
-              category: '/language:${{matrix.language}}'

.github/workflows/default-labels.yml

@@ -13,7 +13,7 @@ jobs:
 
       # Steps represent a sequence of tasks that will be executed as part of the job
       steps:
-         - uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f # v10.2.0
+         - uses: actions/stale@v3
            name: Setting Issue as Idle
            with:
               repo-token: ${{ secrets.GITHUB_TOKEN }}
@@ -24,7 +24,7 @@ jobs:
               operations-per-run: 100
               exempt-issue-labels: 'backlog'
 
-         - uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f # v10.2.0
+         - uses: actions/stale@v3
            name: Setting PR as Idle
            with:
               repo-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/integration-tests.yml

@@ -15,7 +15,7 @@ jobs:
       steps:
          - name: Checkout Source Code
            id: checkout-code
-           uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+           uses: actions/checkout@v2
          - name: Npm Install and Build
            id: npm-build
            run: |

.github/workflows/prettify-code.yml

@@ -1,4 +1,4 @@
-name: 'Run Prettify'
+name: 'Run prettify'
 on:
    pull_request:
    push:
@@ -10,16 +10,9 @@ jobs:
       runs-on: ubuntu-latest
       steps:
          - name: Checkout Repository
-           uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+           uses: actions/checkout@v2
 
-         - name: Setup Node.js
-           uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
+         - name: Enforce Prettier
+           uses: actionsx/prettier@v2
            with:
-              node-version: 'lts/*'
-              cache: 'npm'
-
-         - name: Install Dependencies
-           run: npm ci
-
-         - name: Run Prettier Check
-           run: npx prettier --check .
+              args: --check .

.github/workflows/unit-tests.yml

@@ -13,7 +13,7 @@ jobs:
    unit-test:
       runs-on: ubuntu-latest
       steps:
-         - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+         - uses: actions/checkout@v1
          - name: Run Unit Tests
            run: |
               npm install

.gitignore

@@ -331,4 +331,3 @@ node_modules
 coverage
 
 # Transpiled JS
-lib/

.husky/pre-commit

@@ -1,7 +0,0 @@
-npm test
-npm run format-check || {
-  echo ""
-  echo "❌ Formatting check failed."
-  echo "💡 Run 'npm run format' or 'prettier --write .' to fix formatting issues."
-  exit 1
-}

CHANGELOG.md

@@ -1,49 +1,5 @@
 # Change Log
 
-## [5.0.0] - 2026-04-07
-
-### Features
-
-- #227 Migrate to ESM with esbuild, vitest
-
-### Runtime and platform
-
-- #222 Update Node version from 20 to 24
-
-### Dependabot updates
-
-- #231 Bump github/codeql-action in /.github/workflows in the actions group
-- #230 Bump typescript in the actions group across 1 directory
-- #228 Bump picomatch
-- #226 Bump github/codeql-action in /.github/workflows in the actions group
-- #223 Bump undici from 6.23.0 to 6.24.0
-- #221 Bump the actions group in /.github/workflows with 2 updates
-- #218 Bump the actions group in /.github/workflows with 2 updates
-- #219 Bump minimatch
-- #217 Bump undici and @actions/http-client
-- #216 Bump github/codeql-action in /.github/workflows in the actions group
-- #214 Bump the actions group in /.github/workflows with 2 updates
-- #212 Bump the actions group in /.github/workflows with 2 updates
-- #211 Bump the actions group with 3 updates
-- #210 Bump the actions group with 2 updates
-- #208 Bump @types/node from 25.0.2 to 25.0.3 in the actions group
-- #209 Bump github/codeql-action in /.github/workflows in the actions group
-- #206 Bump the actions group with 3 updates
-- #207 Bump github/codeql-action in /.github/workflows in the actions group
-- #205 Bump the actions group in /.github/workflows with 4 updates
-- #204 Bump the actions group with 2 updates
-- #202 Bump the actions group in /.github/workflows with 2 updates
-- #203 Bump prettier from 3.6.2 to 3.7.3 in the actions group
-- #201 Bump glob from 10.4.5 to 10.5.0
-- #200 Bump js-yaml from 3.14.1 to 3.14.2
-- #198 Bump js-yaml from 4.1.0 to 4.1.1
-- #199 Bump the actions group with 2 updates
-
-## [4.0.2] - 2025-11-13
-
-- #[164](https://github.com/Azure/k8s-set-context/pull/164) Adding optional kubeconfig encoding variable
-- Dependabot updates
-
 ## [4.0.1] - 2024-09-06
 
 -  #90 update dev dependencies with Typescript to 5

README.md

@@ -19,7 +19,7 @@ Refer to the [action metadata file](./action.yml) for details about inputs. Note
 ### Kubeconfig approach
 
 ```yaml
-- uses: azure/k8s-set-context@v5
+- uses: azure/k8s-set-context@v4
   with:
      method: kubeconfig
      kubeconfig: <your kubeconfig>
@@ -50,7 +50,7 @@ Please refer to documentation on fetching [kubeconfig for any generic K8s cluste
 ### Service account approach
 
 ```yaml
-- uses: azure/k8s-set-context@v5
+- uses: azure/k8s-set-context@v4
   with:
      method: service-account
      k8s-url: <URL of the cluster's API server>
@@ -74,7 +74,7 @@ kubectl get secret <service-account-secret-name> -n <namespace> -o yaml
 ### Service account approach for arc cluster
 
 ```yaml
-- uses: azure/k8s-set-context@v5
+- uses: azure/k8s-set-context@v4
   with:
      method: service-account
      cluster-type: arc
@@ -86,7 +86,7 @@ kubectl get secret <service-account-secret-name> -n <namespace> -o yaml
 ### Service principal approach for arc cluster
 
 ```yaml
-- uses: azure/k8s-set-context@v5
+- uses: azure/k8s-set-context@v4
   with:
      method: service-principal
      cluster-type: arc

action.yml

@@ -13,10 +13,6 @@ inputs:
    kubeconfig:
       description: 'Contents of kubeconfig file'
       required: false
-   kubeconfig-encoding:
-      description: 'Encoding of the kubeconfig input. Accepts "plaintext" (default) or "base64".'
-      required: false
-      default: 'plaintext'
    context:
       description: 'If your kubeconfig has multiple contexts, use this field to use a specific context, otherwise the default one would be chosen'
       required: false
@@ -39,5 +35,5 @@ inputs:
 branding:
    color: 'blue'
 runs:
-   using: 'node24'
+   using: 'node20'
    main: 'lib/index.js'

jest.config.js

@@ -0,0 +1,20 @@
+module.exports = {
+   restoreMocks: true,
+   clearMocks: true,
+   resetMocks: true,
+   moduleFileExtensions: ['js', 'ts'],
+   testEnvironment: 'node',
+   testMatch: ['**/*.test.ts'],
+   transform: {
+      '^.+\\.ts$': 'ts-jest'
+   },
+   verbose: true,
+   coverageThreshold: {
+      global: {
+         branches: 0,
+         functions: 40,
+         lines: 22,
+         statements: 22
+      }
+   }
+}

lib/exec-child.js

@@ -0,0 +1,39 @@
+if (require.main !== module) {
+  throw new Error('This file should not be required');
+}
+
+var childProcess = require('child_process');
+var fs = require('fs');
+
+var paramFilePath = process.argv[2];
+
+var serializedParams = fs.readFileSync(paramFilePath, 'utf8');
+var params = JSON.parse(serializedParams);
+
+var cmd = params.command;
+var execOptions = params.execOptions;
+var pipe = params.pipe;
+var stdoutFile = params.stdoutFile;
+var stderrFile = params.stderrFile;
+
+var c = childProcess.exec(cmd, execOptions, function (err) {
+  if (!err) {
+    process.exitCode = 0;
+  } else if (err.code === undefined) {
+    process.exitCode = 1;
+  } else {
+    process.exitCode = err.code;
+  }
+});
+
+var stdoutStream = fs.createWriteStream(stdoutFile);
+var stderrStream = fs.createWriteStream(stderrFile);
+
+c.stdout.pipe(stdoutStream);
+c.stderr.pipe(stderrStream);
+c.stdout.pipe(process.stdout);
+c.stderr.pipe(process.stderr);
+
+if (pipe) {
+  c.stdin.end(pipe);
+}

package.json

@@ -1,17 +1,15 @@
 {
    "name": "k8s-set-context-action",
-   "version": "5.0.0",
+   "version": "4.0.0",
    "private": true,
    "main": "lib/index.js",
-   "type": "module",
    "scripts": {
-      "build": "tsc --noEmit && esbuild src/run.ts --bundle --platform=node --target=node20 --format=esm --outfile=lib/index.js --banner:js=\"import { createRequire } from 'module';const require = createRequire(import.meta.url);\"",
-      "typecheck": "tsc --noEmit",
-      "test": "vitest run",
-      "test-coverage": "vitest run --coverage",
+      "prebuild": "npm i @vercel/ncc",
+      "build": "ncc build src/run.ts -o lib",
+      "test": "jest",
+      "test-coverage": "jest --coverage",
       "format": "prettier --write .",
-      "format-check": "prettier --check .",
-      "prepare": "husky"
+      "format-check": "prettier --check ."
    },
    "keywords": [
       "actions",
@@ -21,19 +19,20 @@
    "author": "GitHub",
    "license": "MIT",
    "dependencies": {
-      "@actions/core": "^3.0.0",
-      "@actions/exec": "^3.0.0",
-      "@actions/io": "^3.0.2",
-      "@kubernetes/client-node": "^1.4.0",
-      "husky": "^9.1.7",
-      "js-yaml": "^4.1.1"
+      "@actions/core": "^1.10.0",
+      "@actions/exec": "^1.0.0",
+      "@actions/io": "^1.1.2",
+      "@kubernetes/client-node": "^0.16.0",
+      "js-yaml": "^4.1.0"
    },
    "devDependencies": {
-      "@types/js-yaml": "^4.0.9",
-      "@types/node": "^25.6.0",
-      "esbuild": "^0.28.0",
-      "prettier": "^3.8.2",
-      "typescript": "^6.0.2",
-      "vitest": "^4.1.4"
+      "@types/jest": "^29.5.11",
+      "@types/js-yaml": "^4.0.4",
+      "@types/node": "^20.11.8",
+      "@vercel/ncc": "^0.38.1",
+      "jest": "^29.7.0",
+      "prettier": "^3.2.5",
+      "ts-jest": "^29.2.5",
+      "typescript": "^5.3.3"
    }
 }

src/action.test.ts

@@ -1,9 +1,7 @@
-import {vi, describe, it, expect} from 'vitest'
-import {getRequiredInputError} from '../tests/util.js'
-import {run} from './action.js'
-
-vi.mock('fs')
-vi.mock('./utils.js')
+import {getRequiredInputError} from '../tests/util'
+import {run} from './action'
+import fs from 'fs'
+import * as utils from './utils'
 
 describe('Run', () => {
    it('throws error without cluster type', async () => {
@@ -11,23 +9,22 @@ describe('Run', () => {
    })
 
    it('writes kubeconfig and sets context', async () => {
-      const {getKubeconfig, setContext} = await import('./utils.js')
-      const fs = await import('fs')
       const kubeconfig = 'kubeconfig'
 
       process.env['INPUT_CLUSTER-TYPE'] = 'default'
       process.env['RUNNER_TEMP'] = '/sample/path'
 
-      vi.mocked(getKubeconfig).mockResolvedValue(kubeconfig)
-      vi.mocked(setContext).mockReturnValue(kubeconfig)
-      vi.mocked(fs.writeFileSync).mockImplementation(() => {})
-      vi.mocked(fs.chmodSync).mockImplementation(() => {})
+      jest
+         .spyOn(utils, 'getKubeconfig')
+         .mockImplementation(async () => kubeconfig)
+      jest.spyOn(fs, 'writeFileSync').mockImplementation(() => {})
+      jest.spyOn(fs, 'chmodSync').mockImplementation(() => {})
+      jest.spyOn(utils, 'setContext').mockImplementation(() => kubeconfig)
 
-      await run()
-
-      expect(getKubeconfig).toHaveBeenCalled()
+      expect(await run())
+      expect(utils.getKubeconfig).toHaveBeenCalled()
       expect(fs.writeFileSync).toHaveBeenCalled()
       expect(fs.chmodSync).toHaveBeenCalled()
-      expect(setContext).toHaveBeenCalled()
+      expect(utils.setContext).toHaveBeenCalled()
    })
 })

src/action.ts

@@ -1,8 +1,8 @@
 import * as core from '@actions/core'
 import * as path from 'path'
 import * as fs from 'fs'
-import {Cluster, parseCluster} from './types/cluster.js'
-import {setContext, getKubeconfig} from './utils.js'
+import {Cluster, parseCluster} from './types/cluster'
+import {setContext, getKubeconfig} from './utils'
 
 /**
  * Sets the Kubernetes context based on supplied action inputs
@@ -14,7 +14,7 @@ export async function run() {
          required: true
       })
    )
-   const runnerTempDirectory: string = process.env['RUNNER_TEMP'] ?? ''
+   const runnerTempDirectory: string = process.env['RUNNER_TEMP']
    const kubeconfigPath: string = path.join(
       runnerTempDirectory,
       `kubeconfig_${Date.now()}`

src/kubeconfigs/arc.test.ts

@@ -1,11 +1,8 @@
-import {vi, describe, test, it, expect, beforeEach} from 'vitest'
+import * as actions from '@actions/exec'
 import * as io from '@actions/io'
-import {getRequiredInputError} from '../../tests/util.js'
-import {getArcKubeconfig, KUBECONFIG_LOCATION} from './arc.js'
-import * as az from './azCommands.js'
-
-vi.mock('@actions/io')
-vi.mock('./azCommands.js')
+import {getRequiredInputError} from '../../tests/util'
+import {getArcKubeconfig, KUBECONFIG_LOCATION} from './arc'
+import * as az from './azCommands'
 
 describe('Arc kubeconfig', () => {
    test('it throws error without resource group', async () => {
@@ -31,11 +28,11 @@ describe('Arc kubeconfig', () => {
          process.env['INPUT_RESOURCE-GROUP'] = group
          process.env['INPUT_CLUSTER-NAME'] = name
 
-         vi.mocked(io.which).mockResolvedValue(path)
-         vi.mocked(az.runAzCliCommand).mockResolvedValue(undefined)
-         vi.mocked(az.runAzKubeconfigCommandBlocking).mockResolvedValue(
-            kubeconfig
-         )
+         jest.spyOn(io, 'which').mockImplementation(async () => path)
+         jest.spyOn(az, 'runAzCliCommand').mockImplementation(async () => {})
+         jest
+            .spyOn(az, 'runAzKubeconfigCommandBlocking')
+            .mockImplementation(async () => kubeconfig)
       })
 
       it('throws an error without method', async () => {

src/kubeconfigs/arc.ts

@@ -1,8 +1,8 @@
 import * as core from '@actions/core'
 import * as io from '@actions/io'
-import {Method, parseMethod} from '../types/method.js'
+import {Method, parseMethod} from '../types/method'
 import * as path from 'path'
-import {runAzCliCommand, runAzKubeconfigCommandBlocking} from './azCommands.js'
+import {runAzCliCommand, runAzKubeconfigCommandBlocking} from './azCommands'
 
 const RUNNER_TEMP: string = process.env['RUNNER_TEMP'] || ''
 export const KUBECONFIG_LOCATION: string = path.join(

src/kubeconfigs/azCommands.test.ts

@@ -1,17 +1,14 @@
-import {vi, describe, test, expect, beforeEach} from 'vitest'
 import * as actions from '@actions/exec'
-import {runAzCliCommand} from './azCommands.js'
-
-vi.mock('@actions/exec')
+import {runAzCliCommand} from './azCommands'
 
 describe('Az commands', () => {
    test('it runs an az cli command', async () => {
       const path = 'path'
       const args = ['args']
 
-      vi.mocked(actions.exec).mockResolvedValue(0)
+      jest.spyOn(actions, 'exec').mockImplementation(async () => 0)
 
-      await runAzCliCommand(path, args)
-      expect(actions.exec).toHaveBeenCalledWith(path, args, {})
+      expect(await runAzCliCommand(path, args))
+      expect(actions.exec).toBeCalledWith(path, args, {})
    })
 })

src/kubeconfigs/azCommands.ts

@@ -1,5 +1,6 @@
 import * as fs from 'fs'
-import {ExecOptions, exec} from '@actions/exec'
+import {ExecOptions} from '@actions/exec/lib/interfaces'
+import {exec} from '@actions/exec'
 import {spawn} from 'child_process'
 
 const AZ_TIMEOUT_SECONDS: number = 120

src/kubeconfigs/default.test.ts

@@ -1,7 +1,6 @@
-import {vi, describe, test, expect, beforeEach, afterEach} from 'vitest'
 import * as fs from 'fs'
-import {getRequiredInputError} from '../../tests/util.js'
-import {createKubeconfig, getDefaultKubeconfig} from './default.js'
+import {getRequiredInputError} from '../../tests/util'
+import {createKubeconfig, getDefaultKubeconfig} from './default'
 
 describe('Default kubeconfig', () => {
    test('it creates a kubeconfig with proper format', () => {
@@ -51,11 +50,6 @@ describe('Default kubeconfig', () => {
          process.env['INPUT_METHOD'] = 'default'
       })
 
-      afterEach(() => {
-         delete process.env['INPUT_KUBECONFIG']
-         delete process.env['INPUT_KUBECONFIG-ENCODING']
-      })
-
       test('it throws error without kubeconfig', () => {
          expect(() => getDefaultKubeconfig()).toThrow(
             getRequiredInputError('kubeconfig')
@@ -68,33 +62,6 @@ describe('Default kubeconfig', () => {
 
          expect(getDefaultKubeconfig()).toBe(kc)
       })
-
-      test('returns kubeconfig as plaintext when encoding is plaintext', () => {
-         const kc = 'example kc'
-         process.env['INPUT_KUBECONFIG'] = kc
-         process.env['INPUT_KUBECONFIG-ENCODING'] = 'plaintext'
-
-         expect(getDefaultKubeconfig()).toBe(kc)
-      })
-
-      test('it gets default config through base64 kubeconfig input', () => {
-         const kc = 'example kc'
-         const base64Kc = Buffer.from(kc, 'utf-8').toString('base64')
-         process.env['INPUT_KUBECONFIG'] = base64Kc
-         process.env['INPUT_KUBECONFIG-ENCODING'] = 'base64'
-
-         expect(getDefaultKubeconfig()).toBe(kc)
-      })
-
-      test('it throws error for unknown kubeconfig-encoding', () => {
-         const kc = 'example kc'
-         process.env['INPUT_KUBECONFIG'] = kc
-         process.env['INPUT_KUBECONFIG-ENCODING'] = 'foobar'
-
-         expect(() => getDefaultKubeconfig()).toThrow(
-            "Invalid kubeconfig-encoding: 'foobar'. Must be 'plaintext' or 'base64'."
-         )
-      })
    })
 
    test('it defaults to default method', () => {

src/kubeconfigs/default.ts

@@ -1,8 +1,8 @@
 import * as core from '@actions/core'
 import * as jsyaml from 'js-yaml'
 import {KubeConfig} from '@kubernetes/client-node'
-import {K8sSecret, parseK8sSecret} from '../types/k8sSecret.js'
-import {Method, parseMethod} from '../types/method.js'
+import {K8sSecret, parseK8sSecret} from '../types/k8sSecret'
+import {Method, parseMethod} from '../types/method'
 
 /**
  * Gets the kubeconfig based on provided method for a default Kubernetes cluster
@@ -44,27 +44,7 @@ export function getDefaultKubeconfig(): string {
       }
       default: {
          core.debug('Setting context using kubeconfig')
-         enum Encoding {
-            Base64 = 'base64',
-            Plaintext = 'plaintext'
-         }
-
-         const rawKubeconfig = core.getInput('kubeconfig', {required: true})
-         const encoding =
-            core.getInput('kubeconfig-encoding')?.toLowerCase() ||
-            Encoding.Plaintext
-
-         if (encoding !== Encoding.Base64 && encoding !== Encoding.Plaintext) {
-            throw new Error(
-               `Invalid kubeconfig-encoding: '${encoding}'. Must be 'plaintext' or 'base64'.`
-            )
-         }
-         const kubeconfig =
-            encoding === Encoding.Base64
-               ? Buffer.from(rawKubeconfig, 'base64').toString('utf-8')
-               : rawKubeconfig
-
-         return kubeconfig
+         return core.getInput('kubeconfig', {required: true})
       }
    }
 }

src/run.ts

@@ -1,4 +1,4 @@
-import {run} from './action.js'
+import {run} from './action'
 import * as core from '@actions/core'
 
 // Run the application

src/types/cluster.test.ts

@@ -1,9 +1,8 @@
-import {describe, test, expect} from 'vitest'
-import {Cluster, parseCluster} from './cluster.js'
+import {Cluster, parseCluster} from './cluster'
 
 describe('Cluster type', () => {
    test('it has required values', () => {
-      const vals = Object.values(Cluster) as string[]
+      const vals = <any>Object.values(Cluster)
       expect(vals.includes('arc')).toBe(true)
       expect(vals.includes('generic')).toBe(true)
    })

src/types/cluster.ts

@@ -8,10 +8,9 @@ export enum Cluster {
  * @param str The cluster type (case insensitive)
  * @returns The Cluster enum or undefined if it can't be parsed
  */
-export const parseCluster = (str: string): Cluster | undefined => {
-   const key = Object.keys(Cluster).find(
-      (k) =>
-         Cluster[k as keyof typeof Cluster].toLowerCase() === str.toLowerCase()
-   ) as keyof typeof Cluster | undefined
-   return key !== undefined ? Cluster[key] : undefined
-}
+export const parseCluster = (str: string): Cluster | undefined =>
+   Cluster[
+      Object.keys(Cluster).filter(
+         (k) => Cluster[k].toString().toLowerCase() === str.toLowerCase()
+      )[0] as keyof typeof Cluster
+   ]

src/types/k8sSecret.test.ts

@@ -1,5 +1,4 @@
-import {describe, test, expect} from 'vitest'
-import {parseK8sSecret} from './k8sSecret.js'
+import {parseK8sSecret, K8sSecret} from './k8sSecret'
 
 describe('K8sSecret type', () => {
    describe('Parsing from any', () => {

src/types/method.test.ts

@@ -1,9 +1,8 @@
-import {describe, test, expect} from 'vitest'
-import {Method, parseMethod} from './method.js'
+import {Method, parseMethod} from './method'
 
 describe('Method type', () => {
    test('it has required values', () => {
-      const vals = Object.values(Method) as string[]
+      const vals = <any>Object.values(Method)
       expect(vals.includes('kubeconfig')).toBe(true)
       expect(vals.includes('service-account')).toBe(true)
       expect(vals.includes('service-principal')).toBe(true)

src/types/method.ts

@@ -9,10 +9,9 @@ export enum Method {
  * @param str The method (case insensitive)
  * @returns The Method enum or undefined if it can't be parsed
  */
-export const parseMethod = (str: string): Method | undefined => {
-   const key = Object.keys(Method).find(
-      (k) =>
-         Method[k as keyof typeof Method].toLowerCase() === str.toLowerCase()
-   ) as keyof typeof Method | undefined
-   return key !== undefined ? Method[key] : undefined
-}
+export const parseMethod = (str: string): Method | undefined =>
+   Method[
+      Object.keys(Method).filter(
+         (k) => Method[k].toString().toLowerCase() === str.toLowerCase()
+      )[0] as keyof typeof Method
+   ]

src/utils.test.ts

@@ -1,26 +1,25 @@
-import {vi, describe, test, expect} from 'vitest'
 import fs from 'fs'
-import * as arc from './kubeconfigs/arc.js'
-import * as def from './kubeconfigs/default.js'
-import {Cluster} from './types/cluster.js'
-import {getKubeconfig, setContext} from './utils.js'
+import * as arc from './kubeconfigs/arc'
+import * as def from './kubeconfigs/default'
+import {Cluster} from './types/cluster'
+import {getKubeconfig, setContext} from './utils'
 
 describe('Utils', () => {
    describe('get kubeconfig', () => {
       test('it gets arc kubeconfig when type is arc', async () => {
          const arcKubeconfig = 'arckubeconfig'
-         vi.spyOn(arc, 'getArcKubeconfig').mockImplementation(
-            async () => arcKubeconfig
-         )
+         jest
+            .spyOn(arc, 'getArcKubeconfig')
+            .mockImplementation(async () => arcKubeconfig)
 
          expect(await getKubeconfig(Cluster.ARC)).toBe(arcKubeconfig)
       })
 
       test('it defaults to default kubeconfig', async () => {
          const defaultKubeconfig = 'arckubeconfig'
-         vi.spyOn(def, 'getDefaultKubeconfig').mockImplementation(
-            () => defaultKubeconfig
-         )
+         jest
+            .spyOn(def, 'getDefaultKubeconfig')
+            .mockImplementation(() => defaultKubeconfig)
 
          expect(await getKubeconfig(undefined)).toBe(defaultKubeconfig)
          expect(await getKubeconfig(Cluster.GENERIC)).toBe(defaultKubeconfig)

src/utils.ts

@@ -1,9 +1,9 @@
 import * as core from '@actions/core'
 import * as fs from 'fs'
 import {KubeConfig} from '@kubernetes/client-node'
-import {getDefaultKubeconfig} from './kubeconfigs/default.js'
-import {getArcKubeconfig} from './kubeconfigs/arc.js'
-import {Cluster} from './types/cluster.js'
+import {getDefaultKubeconfig} from './kubeconfigs/default'
+import {getArcKubeconfig} from './kubeconfigs/arc'
+import {Cluster} from './types/cluster'
 
 /**
  * Gets the kubeconfig based on Kubernetes cluster type

tsconfig.json

@@ -1,14 +1,8 @@
 {
    "compilerOptions": {
-      "target": "ES2020",
-      "module": "NodeNext",
-      "moduleResolution": "NodeNext",
-      "rootDir": "./src",
-      "outDir": "./lib",
-      "noImplicitAny": false,
-      "skipLibCheck": true,
-      "noEmit": true,
-      "types": ["node", "vitest/globals"]
+      "target": "ES6",
+      "module": "commonjs",
+      "esModuleInterop": true
    },
-   "exclude": ["node_modules", "**/*.test.ts", "vitest.config.ts", "tests/"]
+   "exclude": ["node_modules", "tests", "src/**/*.test.ts"]
 }

vitest.config.ts

@@ -1,10 +0,0 @@
-import {defineConfig} from 'vitest/config'
-
-export default defineConfig({
-   test: {
-      globals: true,
-      environment: 'node',
-      include: ['**/*.test.ts'],
-      clearMocks: true
-   }
-})