Upgrade lint libraries

Author: JPedersen

.eslintrc

@@ -0,0 +1,113 @@
+import js from '@eslint/js';
+import tseslint from '@typescript-eslint/eslint-plugin';
+import tsparser from '@typescript-eslint/parser';
+import importPlugin from 'eslint-plugin-import';
+import prettier from 'eslint-plugin-prettier';
+import react from 'eslint-plugin-react';
+import reactHooks from 'eslint-plugin-react-hooks';
+import prettierConfig from 'eslint-config-prettier';
+import type { Linter } from 'eslint';
+
+const config: Linter.FlatConfig[] = [
+  js.configs.recommended,
+  {
+    files: ['src/**/*.{js,jsx,ts,tsx}'],
+    languageOptions: {
+      parser: tsparser,
+      parserOptions: {
+        ecmaVersion: 'latest',
+        sourceType: 'module',
+        ecmaFeatures: {
+          jsx: true,
+        },
+      },
+      globals: {
+        React: 'writable',
+        console: 'readonly',
+        process: 'readonly',
+        Buffer: 'readonly',
+        __dirname: 'readonly',
+        __filename: 'readonly',
+        module: 'readonly',
+        require: 'readonly',
+        exports: 'readonly',
+        global: 'readonly',
+        window: 'readonly',
+        document: 'readonly',
+        navigator: 'readonly',
+        HTMLElement: 'readonly',
+        Element: 'readonly',
+        Node: 'readonly',
+        Event: 'readonly',
+        EventTarget: 'readonly',
+        jest: 'readonly',
+        describe: 'readonly',
+        it: 'readonly',
+        test: 'readonly',
+        expect: 'readonly',
+        beforeEach: 'readonly',
+        afterEach: 'readonly',
+        beforeAll: 'readonly',
+        afterAll: 'readonly',
+      },
+    },
+    plugins: {
+      '@typescript-eslint': tseslint as any,
+      react: react as any,
+      'react-hooks': reactHooks as any,
+      import: importPlugin as any,
+      prettier: prettier as any,
+    },
+    settings: {
+      react: {
+        version: 'detect',
+      },
+    },
+    rules: {
+      // Core ESLint rules
+      'no-unused-vars': 'off', // Replaced by TypeScript version
+      'no-undef': 'off', // TypeScript handles this
+      
+      // TypeScript ESLint rules
+      '@typescript-eslint/no-unused-vars': 'error',
+      '@typescript-eslint/explicit-function-return-type': 'off',
+      '@typescript-eslint/explicit-module-boundary-types': 'off',
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/no-explicit-any': 'warn',
+      
+      // React rules
+      'react/react-in-jsx-scope': 'off',
+      'react/prop-types': 'off',
+      
+      // React Hooks rules
+      'react-hooks/rules-of-hooks': 'error',
+      'react-hooks/exhaustive-deps': 'error',
+      
+      // Import rules
+      'import/order': [
+        'error',
+        {
+          groups: ['builtin', 'external', 'internal'],
+          pathGroups: [
+            {
+              pattern: 'react',
+              group: 'external',
+              position: 'before',
+            },
+          ],
+          pathGroupsExcludedImportTypes: ['react'],
+          'newlines-between': 'always',
+          alphabetize: {
+            order: 'asc',
+            caseInsensitive: true,
+          },
+        },
+      ],
+      
+      // Prettier rules
+      'prettier/prettier': 'error',
+    },
+  },
+];
+
+export default config;