Upgrade webpack and eslint

Author: simonbengtsson

.eslintignore

@@ -0,0 +1,41 @@
+import { FlatCompat } from '@eslint/eslintrc'
+import js from '@eslint/js'
+import typescriptEslint from '@typescript-eslint/eslint-plugin'
+import tsParser from '@typescript-eslint/parser'
+import prettier from 'eslint-plugin-prettier'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+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 [
+  { ignores: ['**/node_modules', '**/dist', '**/test', '**/examples'] },
+  ...compat.extends(
+    'eslint:recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:prettier/recommended',
+  ),
+  {
+    plugins: { '@typescript-eslint': typescriptEslint, prettier },
+
+    languageOptions: {
+      parser: tsParser,
+      ecmaVersion: 2020,
+      sourceType: 'module',
+    },
+
+    rules: {
+      'prettier/prettier': 'warn',
+      '@typescript-eslint/member-delimiter-style': 'off',
+      '@typescript-eslint/explicit-function-return-type': 'off',
+      '@typescript-eslint/no-use-before-define': 'off',
+    },
+  },
+]