.eslintignore

@@ -0,0 +1,3 @@
+/dist/**
+/coverage/**
+/node_modules/**

.eslintrc.json

@@ -0,0 +1,24 @@
+{
+  "env": {
+    "node": true,
+    "es6": true,
+    "jest": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:jest/recommended",
+    "plugin:prettier/recommended"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 2023,
+    "sourceType": "module"
+  },
+  "plugins": [
+    "@typescript-eslint",
+    "jest",
+    "prettier"
+  ]
+}

README.md

@@ -77,7 +77,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v5
       -
         name: Docker meta
         id: meta
@@ -131,7 +131,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v5
       -
         name: Docker meta
         id: meta

__tests__/meta.test.ts

@@ -2770,6 +2770,7 @@ describe('pr', () => {
 
 describe('pr-head-sha', () => {
   // prettier-ignore
+  // eslint-disable-next-line jest/expect-expect
   test.each([
     [
       'pr01',
@@ -3910,6 +3911,7 @@ describe('raw', () => {
 
 describe('json', () => {
   // prettier-ignore
+  // eslint-disable-next-line jest/expect-expect
   test.each([
     [
       'json01',
@@ -4273,6 +4275,7 @@ describe('json', () => {
 
 describe('bakeFile', () => {
   // prettier-ignore
+  // eslint-disable-next-line jest/expect-expect
   test.each([
     [
       'bakeFile01',
@@ -4794,6 +4797,7 @@ describe('bakeFile', () => {
 
 describe('bakeFileTagsLabels', () => {
   // prettier-ignore
+  // eslint-disable-next-line jest/expect-expect
   test.each([
     [
       'bakeFileTagsLabels01',
@@ -4851,6 +4855,7 @@ describe('bakeFileTagsLabels', () => {
 
 describe('sepTags', () => {
   // prettier-ignore
+  // eslint-disable-next-line jest/expect-expect
   test.each([
     [
       'sepTags01',
@@ -4883,10 +4888,13 @@ describe('sepTags', () => {
       "user/app:dev,user/app:my,user/app:custom,user/app:tags"
     ]
   ])('given %p with %p event', async (name: string, envFile: string, inputs: Inputs, expTags: string) => {
+
     process.env = dotenv.parse(fs.readFileSync(path.join(__dirname, 'fixtures', envFile)));
 
     const toolkit = new Toolkit();
+
     const repo = await toolkit.github.repoData();
+
     const meta = new Meta({...getInputs(), ...inputs}, await getContext(ContextSource.workflow, toolkit), repo);
 
     expect(meta.getTags().join(inputs.sepTags)).toEqual(expTags);

eslint.config.js

@@ -1,58 +0,0 @@
-/* eslint-disable @typescript-eslint/no-require-imports */
-const {defineConfig, globalIgnores} = require('eslint/config');
-const {fixupConfigRules, fixupPluginRules} = require('@eslint/compat');
-const typescriptEslint = require('@typescript-eslint/eslint-plugin');
-const jestPlugin = require('eslint-plugin-jest');
-const prettier = require('eslint-plugin-prettier');
-const globals = require('globals');
-const tsParser = require('@typescript-eslint/parser');
-const js = require('@eslint/js');
-const {FlatCompat} = require('@eslint/eslintrc');
-
-// __dirname and __filename exist natively in CommonJS
-const compat = new FlatCompat({
-  baseDirectory: __dirname,
-  recommendedConfig: js.configs.recommended,
-  allConfig: js.configs.all
-});
-
-module.exports = defineConfig([
-  globalIgnores(['dist/**/*', 'coverage/**/*', 'node_modules/**/*']),
-  {
-    // prettier-ignore
-    extends: fixupConfigRules(
-      compat.extends(
-        'eslint:recommended',
-        'plugin:@typescript-eslint/eslint-recommended',
-        'plugin:@typescript-eslint/recommended',
-        'plugin:jest/recommended',
-        'plugin:prettier/recommended'
-      )
-    ),
-
-    plugins: {
-      '@typescript-eslint': fixupPluginRules(typescriptEslint),
-      jest: fixupPluginRules(jestPlugin),
-      prettier: fixupPluginRules(prettier)
-    },
-
-    languageOptions: {
-      globals: {
-        ...globals.node,
-        ...globals.jest
-      },
-      parser: tsParser,
-      ecmaVersion: 'latest',
-      sourceType: 'module'
-    },
-
-    rules: {
-      '@typescript-eslint/no-require-imports': [
-        'error',
-        {
-          allowAsImport: true
-        }
-      ]
-    }
-  }
-]);

jest.config.ts

@@ -1,7 +1,6 @@
-/* eslint-disable @typescript-eslint/no-require-imports */
+import fs from 'fs';
-const fs = require('fs');
+import os from 'os';
-const os = require('os');
+import path from 'path';
-const path = require('path');
 
 const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'docker-metadata-action-'));
 
@@ -10,7 +9,9 @@ process.env = Object.assign({}, process.env, {
   GITHUB_REPOSITORY: 'docker/metadata-action',
   RUNNER_TEMP: path.join(tmpDir, 'runner-temp'),
   RUNNER_TOOL_CACHE: path.join(tmpDir, 'runner-tool-cache')
-});
+}) as {
+  [key: string]: string;
+};
 
 module.exports = {
   clearMocks: true,

package.json

@@ -38,22 +38,20 @@
     "semver": "^7.7.3"
   },
   "devDependencies": {
-    "@eslint/compat": "^2.0.0",
+    "@types/node": "^20.19.9",
-    "@eslint/eslintrc": "^3.3.3",
+    "@types/semver": "^7.7.1",
-    "@eslint/js": "^9.39.2",
+    "@typescript-eslint/eslint-plugin": "^7.18.0",
-    "@types/node": "^20.19.27",
+    "@typescript-eslint/parser": "^7.18.0",
-    "@typescript-eslint/eslint-plugin": "^8.50.0",
+    "@vercel/ncc": "^0.38.3",
-    "@typescript-eslint/parser": "^8.50.0",
+    "dotenv": "^16.6.1",
-    "@vercel/ncc": "^0.38.4",
+    "eslint": "^8.57.1",
-    "dotenv": "^17.2.3",
+    "eslint-config-prettier": "^9.1.2",
-    "eslint": "^9.39.2",
+    "eslint-plugin-jest": "^28.14.0",
-    "eslint-config-prettier": "^10.1.8",
-    "eslint-plugin-jest": "^29.5.0",
     "eslint-plugin-prettier": "^5.5.4",
-    "jest": "^30.2.0",
+    "jest": "^29.7.0",
-    "prettier": "^3.7.4",
+    "prettier": "^3.6.2",
-    "ts-jest": "^29.4.6",
+    "ts-jest": "^29.4.1",
     "ts-node": "^10.9.2",
-    "typescript": "^5.9.3"
+    "typescript": "^5.9.2"
   }
 }

src/meta.ts

@@ -376,7 +376,7 @@ export class Meta {
       if (hp.body.length == 1 && hp.body[0].type == 'MustacheStatement') {
         return hp.body[0]['path']['parts'].length == 1 && hp.body[0]['path']['parts'][0] == 'raw';
       }
-    } catch {
+    } catch (err) {
       return false;
     }
     return false;