switch to ESM and update config/test wiring

Signed-off-by: CrazyMax <[email protected]>

Author: crazy-max

.prettierrc.json

@@ -6,6 +6,5 @@
   "singleQuote": true,
   "trailingComma": "none",
   "bracketSpacing": false,
-  "arrowParens": "avoid",
-  "parser": "typescript"
+  "arrowParens": "avoid"
 }

__tests__/context.test.ts

@@ -2,7 +2,7 @@ import {beforeEach, describe, expect, test} from 'vitest';
 import * as os from 'os';
 import * as path from 'path';
 
-import * as context from '../src/context';
+import * as context from '../src/context.js';
 
 describe('getInputs', () => {
   beforeEach(() => {

eslint.config.js

@@ -0,0 +1,52 @@
+import {defineConfig} from 'eslint/config';
+import js from '@eslint/js';
+import tseslint from '@typescript-eslint/eslint-plugin';
+import vitest from '@vitest/eslint-plugin';
+import globals from 'globals';
+import eslintConfigPrettier from 'eslint-config-prettier/flat';
+import eslintPluginPrettier from 'eslint-plugin-prettier';
+
+export default defineConfig([
+  {
+    ignores: ['.yarn/**/*', 'coverage/**/*', 'dist/**/*']
+  },
+  js.configs.recommended,
+  ...tseslint.configs['flat/recommended'],
+  eslintConfigPrettier,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.node
+      }
+    }
+  },
+  {
+    files: ['__tests__/**'],
+    ...vitest.configs.recommended,
+    languageOptions: {
+      globals: {
+        ...globals.node,
+        ...vitest.environments.env.globals
+      }
+    },
+    rules: {
+      ...vitest.configs.recommended.rules,
+      'vitest/no-conditional-expect': 'error',
+      'vitest/no-disabled-tests': 0
+    }
+  },
+  {
+    plugins: {
+      prettier: eslintPluginPrettier
+    },
+    rules: {
+      'prettier/prettier': 'error',
+      '@typescript-eslint/no-require-imports': [
+        'error',
+        {
+          allowAsImport: true
+        }
+      ]
+    }
+  }
+]);

eslint.config.mjs

@@ -1,15 +1,12 @@
 {
   "name": "docker-setup-docker",
   "description": "Set up Docker for use in GitHub Actions by downloading and installing a version of Docker CE",
-  "main": "lib/main.js",
+  "type": "module",
+  "main": "src/main.ts",
   "scripts": {
     "build": "ncc build src/main.ts --source-map --minify --license licenses.txt",
-    "lint": "yarn run prettier && yarn run eslint",
-    "format": "yarn run prettier:fix && yarn run eslint:fix",
-    "eslint": "eslint --max-warnings=0 .",
-    "eslint:fix": "eslint --fix .",
-    "prettier": "prettier --check \"./**/*.ts\"",
-    "prettier:fix": "prettier --write \"./**/*.ts\"",
+    "lint": "eslint --max-warnings=0 .",
+    "format": "eslint --fix .",
     "test": "vitest run",
     "all": "yarn run build && yarn run format && yarn test"
   },
@@ -30,8 +27,6 @@
     "@docker/actions-toolkit": "^0.71.0"
   },
   "devDependencies": {
-    "@eslint/compat": "^2.0.0",
-    "@eslint/eslintrc": "^3.3.3",
     "@eslint/js": "^9.39.2",
     "@types/node": "^20.19.27",
     "@typescript-eslint/eslint-plugin": "^8.50.0",
@@ -42,8 +37,8 @@
     "eslint": "^9.39.2",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-prettier": "^5.5.4",
+    "globals": "^17.3.0",
     "prettier": "^3.7.4",
-    "ts-node": "^10.9.2",
     "typescript": "^5.9.3",
     "vitest": "^4.0.18"
   }

package.json

@@ -3,8 +3,8 @@ import path from 'path';
 import * as core from '@actions/core';
 import {parse} from 'csv-parse/sync';
 
-import {InstallSource} from '@docker/actions-toolkit/lib/docker/install';
-import {Util} from '@docker/actions-toolkit/lib/util';
+import {InstallSource} from '@docker/actions-toolkit/lib/docker/install.js';
+import {Util} from '@docker/actions-toolkit/lib/util.js';
 
 export interface Inputs {
   source: InstallSource;

src/context.ts

@@ -2,13 +2,13 @@ import * as crypto from 'crypto';
 import path from 'path';
 import * as core from '@actions/core';
 import * as actionsToolkit from '@docker/actions-toolkit';
-import {Install} from '@docker/actions-toolkit/lib/docker/install';
-import {Docker} from '@docker/actions-toolkit/lib/docker/docker';
-import {Install as RegclientInstall} from '@docker/actions-toolkit/lib/regclient/install';
-import {Install as UndockInstall} from '@docker/actions-toolkit/lib/undock/install';
+import {Install} from '@docker/actions-toolkit/lib/docker/install.js';
+import {Docker} from '@docker/actions-toolkit/lib/docker/docker.js';
+import {Install as RegclientInstall} from '@docker/actions-toolkit/lib/regclient/install.js';
+import {Install as UndockInstall} from '@docker/actions-toolkit/lib/undock/install.js';
 
-import * as context from './context';
-import * as stateHelper from './state-helper';
+import * as context from './context.js';
+import * as stateHelper from './state-helper.js';
 
 const regctlDefaultVersion = 'v0.8.3';
 const undockDefaultVersion = 'v0.10.0';

src/main.ts

@@ -1,8 +1,8 @@
 {
   "compilerOptions": {
+    "module": "nodenext",
+    "moduleResolution": "nodenext",
     "esModuleInterop": true,
-    "target": "es6",
-    "module": "commonjs",
     "newLine": "lf",
     "outDir": "./lib",
     "rootDir": "./src",
@@ -11,9 +11,7 @@
     "resolveJsonModule": true,
     "useUnknownInCatchVariables": false,
   },
-  "exclude": [
-    "node_modules",
-    "**/*.test.ts",
-    "vitest.config.ts"
+  "include": [
+    "src/**/*.ts"
   ]
 }