fix: improve linting and update eslint (#3128)

Author: bashmish

.eslintignore

@@ -4,11 +4,12 @@
 /packages/test-runner-mocha/*.d.ts
 /packages/config-loader/
 /packages/*/test/**/fixtures
-/packages/*/test/**/snapshots
+/packages/*/test/**/__snapshots__
 /packages/dev-server-rollup/test/browser/**/*
 /integration/test-runner/tests/*/browser-tests
 /packages/dev-server-hmr/scripts/**/*
 /packages/test-runner/demo/
+/packages/storybook-framework-web-components/tests/fixtures/all-in-one/storybook-build/
 /node_modules/
 /packages/*/node_modules/
 dist

docs/_data/site.js

@@ -1,5 +1,3 @@
-/* eslint-disable */
-
 module.exports = async function () {
   return {
     name: 'Modern Web',

eslint.config.mjs

@@ -0,0 +1,29 @@
+import js from '@eslint/js';
+import eslintConfigPrettier from 'eslint-config-prettier';
+import { defineConfig, includeIgnoreFile } from 'eslint/config';
+import globals from 'globals';
+import { fileURLToPath } from 'node:url';
+import tseslint from 'typescript-eslint';
+
+const eslintignorePath = fileURLToPath(new URL('.eslintignore', import.meta.url));
+
+export default defineConfig([
+  includeIgnoreFile(eslintignorePath),
+  js.configs.recommended,
+  ...tseslint.configs.recommended,
+  eslintConfigPrettier,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+        ...globals.mocha,
+      },
+    },
+    rules: {
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-require-imports': 'off',
+    },
+  },
+]);