feat: upgrade to eslint 9

eslint.config.js

@@ -0,0 +1,51 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import ts from 'typescript-eslint'
+import react from 'eslint-plugin-react'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import cypress from 'eslint-plugin-cypress/flat'
+
+export default ts.config(
+  { ignores: ['build'] },
+  {
+    extends: [cypress.configs.recommended, js.configs.recommended, ts.configs.recommended],
+    files: ['**/*.{js,jsx,ts,tsx}'],
+    languageOptions: {
+      ecmaVersion: 2022,
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+      }
+    },
+    settings: { react: { version: '18.3' } },
+    plugins: {
+      react,
+      'react-hooks': reactHooks,
+      'react-refresh': reactRefresh,
+    },
+    rules: {
+      ...js.configs.recommended.rules,
+      ...react.configs.recommended.rules,
+      ...reactHooks.configs.recommended.rules,
+      'react-refresh/only-export-components': [
+        'warn',
+        { allowConstantExport: true },
+      ],
+      'no-unused-vars': 'off',
+      '@typescript-eslint/no-unused-vars': [
+        "error",
+        {
+          "args": "all",
+          "argsIgnorePattern": "^_",
+          "caughtErrors": "all",
+          "caughtErrorsIgnorePattern": "^_",
+          "destructuredArrayIgnorePattern": "^_",
+          "varsIgnorePattern": "^_",
+          "ignoreRestSiblings": true
+        }
+      ],
+      'react/prop-types': 'off',
+    },
+  },
+)