add eslint

Author: fey

Makefile

@@ -13,6 +13,12 @@ preview:
 test:
 	npm run test
 
+lint:
+	npx eslint .
+
+lint-fix:
+	npx eslint . --fix
+
 compose-production:
 	docker compose -f docker-compose.production.yml down -v --remove-orphans
 	docker compose -f docker-compose.production.yml build

eslint.config.js

@@ -0,0 +1,31 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import tseslint from 'typescript-eslint'
+import pluginReact from 'eslint-plugin-react'
+import { defineConfig } from 'eslint/config'
+import stylistic from '@stylistic/eslint-plugin'
+
+export default defineConfig([
+  {
+    languageOptions: { globals: globals.node },
+  },
+  {
+    files: ['**/*.{js,mjs,cjs,ts,mts,cts,jsx,tsx}'],
+    plugins: { js }, extends: ['js/recommended'],
+    languageOptions: { globals: globals.browser },
+  },
+  stylistic.configs.recommended,
+  tseslint.configs.recommended,
+  {
+    ...pluginReact.configs.flat.recommended,
+    rules: {
+      'react/react-in-jsx-scope': 0,
+      'react/jsx-uses-react': 0,
+    },
+    settings: {
+      react: {
+        version: '19',
+      },
+    },
+  },
+])