Merge pull request #6356 from entur/eslint-9

Eslint 9 upgrades

client/.gitignore

@@ -11,6 +11,7 @@ node_modules
 dist
 dist-ssr
 *.local
+output
 
 # Editor directories and files
 .vscode/*
@@ -27,4 +28,5 @@ dist-ssr
 src/gql/
 
 # Vite cache folder
-.vite/
+.vite/
+

client/.prettierignore

@@ -1,3 +1,3 @@
 node_modules/
-dist/
+output/
 src/gql/

client/eslint.config.mjs

@@ -0,0 +1,40 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import react from 'eslint-plugin-react'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import jsxA11y from 'eslint-plugin-jsx-a11y'
+import importPlugin from 'eslint-plugin-import'
+import tseslint from 'typescript-eslint'
+import eslintConfigPrettier from "eslint-config-prettier"
+
+export default tseslint.config(
+  { ignores: ['output', 'node_modules', 'src/gql/**/*'] },
+  {
+    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    files: ['**/*.{ts,tsx}'],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+    plugins: {
+      'react': react,
+      'react-hooks': reactHooks,
+      'react-refresh': reactRefresh,
+      'jsx-a11y': jsxA11y,
+      'import': importPlugin
+    },
+    rules: {
+      ...reactHooks.configs.recommended.rules,
+      'react-refresh/only-export-components': [
+        'warn',
+        { allowConstantExport: true },
+      ],
+      "react/jsx-uses-react": "off",
+      "react/react-in-jsx-scope": "off",
+      '@typescript-eslint/ban-ts-comment': "off",
+      '@typescript-eslint/no-unused-vars': ["error", { "caughtErrors": "all", "caughtErrorsIgnorePattern": "^_" }]
+    },
+  },
+  eslintConfigPrettier,
+)