chore: merge all open Dependabot PRs with full ESM migration (@actions/core v3, TypeScript 6.0, ESLint 10, and more)

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6.0.2
 
-      - uses: actions/setup-node@v6.2.0
+      - uses: actions/setup-node@v6.3.0
         with:
           node-version-file: '.node-version'
           registry-url: 'https://registry.npmjs.org'
@@ -33,6 +33,6 @@ jobs:
           yarn test
 
       - name: Uploade CodeCov Report
-        uses: codecov/codecov-action@v5.5.2
+        uses: codecov/codecov-action@v6.0.0
         with:
           token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/production.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6.0.2
 
-      - uses: actions/setup-node@v6.2.0
+      - uses: actions/setup-node@v6.3.0
         with:
           node-version-file: '.node-version'
           registry-url: 'https://registry.npmjs.org'

.github/workflows/version.yml

@@ -27,7 +27,7 @@ jobs:
           ref: dev
 
       # Setup .npmrc file to publish to npm
-      - uses: actions/setup-node@v6.2.0
+      - uses: actions/setup-node@v6.3.0
         with:
           node-version-file: '.node-version'
           registry-url: 'https://registry.npmjs.org'
@@ -59,7 +59,7 @@ jobs:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
 
       # Setup .npmrc file to publish to GitHub Packages
-      - uses: actions/setup-node@v6.2.0
+      - uses: actions/setup-node@v6.3.0
         with:
           node-version-file: '.node-version'
           registry-url: 'https://npm.pkg.github.com'

__tests__/fetch.test.ts

@@ -1,6 +1,5 @@
-import {retrieveData, generateExport} from '../src/fetch'
-
-jest.setTimeout(1000000)
+import {jest, describe, it, expect, afterEach} from '@jest/globals'
+import {retrieveData, generateExport} from '../src/fetch.js'
 
 describe('fetch', () => {
   describe('retrieveData', () => {

__tests__/lib.test.ts

@@ -1,17 +1,26 @@
-import {exportVariable, setFailed} from '@actions/core'
-import {action} from '../src/constants'
-import run from '../src/lib'
-import '../src/main'
+import {jest, describe, it, expect, beforeEach, afterEach} from '@jest/globals'
+import type {Mock} from 'jest-mock'
 
-const originalAction = JSON.stringify(action)
-
-jest.mock('@actions/core', () => ({
+jest.unstable_mockModule('@actions/core', () => ({
   info: jest.fn(),
   setFailed: jest.fn(),
   getInput: jest.fn(),
-  exportVariable: jest.fn()
+  exportVariable: jest.fn(),
+  debug: jest.fn(),
+  setOutput: jest.fn()
 }))
 
+const {exportVariable: mockExportVariable, setFailed: mockSetFailed} =
+  (await import('@actions/core')) as {
+    exportVariable: Mock
+    setFailed: Mock
+  }
+const {action} = await import('../src/constants.js')
+const {default: run} = await import('../src/lib.js')
+await import('../src/main.js')
+
+const originalAction = JSON.stringify(action)
+
 describe('lib', () => {
   beforeEach(() => {
     jest.clearAllMocks()
@@ -36,7 +45,7 @@ describe('lib', () => {
 
     await run(action)
 
-    expect(exportVariable).toHaveBeenCalledTimes(1)
+    expect(mockExportVariable).toHaveBeenCalledTimes(1)
     expect(global.fetch).toHaveBeenCalledWith(
       'https://jives.dev',
       expect.any(Object)
@@ -52,7 +61,7 @@ describe('lib', () => {
 
     await run(action)
 
-    expect(exportVariable).toHaveBeenCalledTimes(0)
+    expect(mockExportVariable).toHaveBeenCalledTimes(0)
     expect(global.fetch).toHaveBeenCalledWith(
       'https://jives.dev',
       expect.any(Object)
@@ -69,7 +78,7 @@ describe('lib', () => {
       await run(action)
     } catch (error) {
       console.error(error)
-      expect(setFailed).toHaveBeenCalled()
+      expect(mockSetFailed).toHaveBeenCalled()
     }
   })
 
@@ -85,7 +94,7 @@ describe('lib', () => {
       await run(action)
     } catch (error) {
       console.error(error)
-      expect(setFailed).toHaveBeenCalled()
+      expect(mockSetFailed).toHaveBeenCalled()
     }
   })
 })

__tests__/util.test.ts

@@ -1,4 +1,5 @@
-import {extractErrorMessage, isNullOrUndefined} from '../src/util'
+import {describe, it, expect} from '@jest/globals'
+import {extractErrorMessage, isNullOrUndefined} from '../src/util.js'
 
 describe('util', () => {
   describe('isNullOrUndefined', () => {

eslint.config.mjs

@@ -4,15 +4,22 @@ import eslintConfigPrettier from 'eslint-config-prettier'
 import jest from 'eslint-plugin-jest'
 
 export default tseslint.config(
+  {ignores: ['lib/', 'coverage/']},
+  {
+    files: ['**/*.cjs'],
+    languageOptions: {
+      sourceType: 'commonjs',
+      globals: {module: 'readonly', require: 'readonly', exports: 'writable'}
+    }
+  },
   eslintConfigPrettier,
   jest.configs['flat/recommended'],
   eslint.configs.recommended,
   ...tseslint.configs.recommended,
   {
     languageOptions: {
       globals: {
-        process: true,
-        module: true
+        process: true
       }
     },
     rules: {

jest.config.cjs

@@ -0,0 +1,23 @@
+module.exports = {
+  clearMocks: true,
+  extensionsToTreatAsEsm: ['.ts'],
+  moduleFileExtensions: ['js', 'mjs', 'ts'],
+  moduleNameMapper: {
+    '^(\\.{1,2}/.+)\\.js$': '$1'
+  },
+  testEnvironment: 'node',
+  testMatch: ['**/*.test.ts'],
+  testRunner: 'jest-circus/runner',
+  transform: {
+    '^.+\\.ts$': [
+      'ts-jest',
+      {
+        useESM: true,
+        tsconfig: 'tsconfig.test.json'
+      }
+    ]
+  },
+  verbose: true,
+  collectCoverage: true,
+  collectCoverageFrom: ['src/*.ts', '!src/constants.ts']
+}

package.json

@@ -4,12 +4,13 @@
   "author": "James Ives <iam@jamesiv.es> (https://jamesiv.es)",
   "version": "2.5.0",
   "license": "MIT",
+  "type": "module",
   "main": "lib/lib.js",
   "types": "lib/lib.d.ts",
   "root": true,
   "scripts": {
     "build": "rm -rf lib && tsc --declaration",
-    "test": "jest",
+    "test": "NODE_OPTIONS=--experimental-vm-modules jest",
     "lint": "eslint --fix .",
     "lint:check": "eslint .",
     "lint:format": "prettier --write .",
@@ -35,28 +36,32 @@
     "github-action"
   ],
   "dependencies": {
-    "@actions/core": "2.0.2",
-    "@actions/io": "2.0.0",
+    "@actions/core": "3.0.0",
+    "@actions/io": "3.0.2",
     "async-retry": "1.3.3",
     "mustache": "4.2.0"
   },
   "devDependencies": {
+    "@eslint/js": "10.0.0",
     "@types/async-retry": "1.4.9",
     "@types/jest": "30.0.0",
     "@types/mustache": "4.2.6",
-    "@types/node": "25.0.9",
+    "@types/node": "25.5.0",
     "@types/retry": "0.12.5",
-    "@typescript-eslint/eslint-plugin": "8.53.0",
-    "@typescript-eslint/parser": "8.53.0",
-    "eslint": "9.39.2",
+    "@typescript-eslint/eslint-plugin": "8.58.0",
+    "@typescript-eslint/parser": "8.58.0",
+    "eslint": "10.1.0",
     "eslint-config-prettier": "10.1.8",
-    "eslint-plugin-jest": "29.12.1",
+    "eslint-plugin-jest": "29.15.1",
     "eslint-plugin-prettier": "5.5.5",
-    "jest": "30.2.0",
-    "jest-circus": "30.2.0",
-    "prettier": "3.8.0",
-    "ts-jest": "29.4.6",
-    "typescript": "5.9.3",
-    "typescript-eslint": "8.53.0"
+    "jest": "30.3.0",
+    "jest-circus": "30.3.0",
+    "prettier": "3.8.1",
+    "ts-jest": "29.4.9",
+    "typescript": "6.0.2",
+    "typescript-eslint": "8.58.0"
+  },
+  "resolutions": {
+    "@typescript-eslint/utils": "8.58.0"
   }
 }

src/constants.ts

@@ -1,5 +1,5 @@
 import {getInput} from '@actions/core'
-import {isNullOrUndefined} from './util'
+import {isNullOrUndefined} from './util.js'
 
 /**
  * Required action data that gets initialized when running within the GitHub Actions environment.

src/fetch.ts

@@ -6,10 +6,11 @@ import {
 } from '@actions/core'
 import {mkdirP} from '@actions/io'
 import {promises as fs} from 'fs'
-import {render} from 'mustache'
+import Mustache from 'mustache'
 import retryRequest from 'async-retry'
-import {DataInterface, ExportInterface, Status} from './constants'
-import {parseData} from './util'
+import type {DataInterface, ExportInterface} from './constants.js'
+import {Status} from './constants.js'
+import {parseData} from './util.js'
 
 /**
  * Retrieves data from an API endpoint.
@@ -30,7 +31,9 @@ export async function retrieveData({
     )
 
     const settings = configuration
-      ? JSON.parse(render(configuration, auth ? parseData(auth) : null))
+      ? JSON.parse(
+          Mustache.render(configuration, auth ? parseData(auth) : null)
+        )
       : {}
 
     if (settings.body) {

src/lib.ts

@@ -1,7 +1,8 @@
 import {info, setFailed} from '@actions/core'
-import {action, ActionInterface, Status} from './constants'
-import {generateExport, retrieveData} from './fetch'
-import {extractErrorMessage, hasRequiredParameters} from './util'
+import {action, Status} from './constants.js'
+import type {ActionInterface} from './constants.js'
+import {generateExport, retrieveData} from './fetch.js'
+import {extractErrorMessage, hasRequiredParameters} from './util.js'
 
 /**
  * Initializes and runs the action.
@@ -72,4 +73,4 @@ export default async function run(
   }
 }
 
-export {retrieveData, generateExport, ActionInterface}
+export {retrieveData, generateExport, type ActionInterface}

src/main.ts

@@ -1,3 +1,3 @@
-import run from './lib'
+import run from './lib.js'
 
 run()

src/util.ts

@@ -1,4 +1,4 @@
-import {ActionInterface} from './constants'
+import type {ActionInterface} from './constants.js'
 
 /**
  * Checks to see if a value is null or undefined.

tsconfig.json

@@ -1,12 +1,13 @@
 {
   "compilerOptions": {
-    "target": "es6",
-    "module": "commonjs",
+    "target": "es2022",
+    "module": "NodeNext",
     "outDir": "./lib",
     "rootDir": "./src",
     "strict": true,
     "noImplicitAny": false,
-    "esModuleInterop": true
+    "esModuleInterop": true,
+    "types": ["node"]
   },
   "exclude": ["node_modules", "**/*.test.ts"]
 }

tsconfig.test.json

@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "rootDir": ".",
+    "types": ["node", "jest"],
+    "isolatedModules": true
+  },
+  "exclude": ["node_modules"]
+}