Node.js v24 Upgrade & Linter

.github/workflows/lint.yml

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+name: Lint
+
+on:
+  push:
+    branches: ['**']
+  pull_request:
+    branches: ['**']
+  workflow_dispatch:
+
+jobs:
+  eslint:
+    name: Run ESLint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run ESLint
+        run: npm run lint -- --max-warnings=0

.nvmrc

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+24

eslint.config.js

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+import { defineConfig, globalIgnores } from 'eslint/config'
+import globals from 'globals'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+import js from '@eslint/js'
+import { FlatCompat } from '@eslint/eslintrc'
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all,
+})
+
+export default defineConfig([
+    globalIgnores([
+        '**/dist',
+        '**/node_modules/**',
+        '**/build/**',
+        './eslint.config.mjs',
+    ]),
+    {
+        extends: compat.extends('eslint:recommended'),
+
+        languageOptions: {
+            globals: {
+                ...globals.node,
+            },
+
+            ecmaVersion: 2022,
+            sourceType: 'module',
+        },
+
+        rules: {
+            indent: [
+                'error',
+                4,
+                {
+                    SwitchCase: 1,
+                },
+            ],
+
+            'linebreak-style': ['error', 'windows'],
+            quotes: ['error', 'single'],
+            semi: ['error', 'never'],
+            'no-var': ['error'],
+            'no-console': [0],
+            'no-control-regex': [0],
+
+            'no-unused-vars': [
+                'error',
+                {
+                    vars: 'all',
+                    args: 'none',
+                    ignoreRestSiblings: false,
+                    argsIgnorePattern: 'reject',
+                },
+            ],
+
+            'no-async-promise-executor': [0],
+            'no-undef': 0,
+        },
+    },
+    {},
+])