js: Migrate to ESLint 9

Signed-off-by: Matt Strapp <matt@mattstrapp.net>

1 files changed, 39 insertions, 0 deletions

diff --git a/src/packages/eslint-config/eslint.library.config.js b/src/packages/eslint-config/eslint.library.config.js
new file mode 100644
index 0000000..e3c7866
--- /dev/null
+++ b/src/packages/eslint-config/eslint.library.config.js
@@ -0,0 +1,39 @@
+// @ts-check
+
+import globals from "globals";
+import eslint from "@eslint/js";
+import ts from "typescript-eslint";
+import prettier from "eslint-config-prettier";
+import turboPlugin from "eslint-plugin-turbo";
+
+import { resolve } from "node:path";
+
+const project = resolve(process.cwd(), "tsconfig.json");
+
+export default ts.config(
+  eslint.configs.recommended,
+  ...ts.configs.recommended,
+  prettier,
+  {
+    name: "eslint-config-turbo (recreated flat)",
+    plugins: {
+      turbo: { rules: turboPlugin.rules },
+    },
+    rules: {
+      "turbo/no-undeclared-env-vars": "error",
+    },
+  },
+  {
+    name: "library",
+    languageOptions: {
+      // parserOptions: {
+      //   project: resolve(process.cwd(), "tsconfig.json")
+      // },
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+      },
+    },
+    ignores: ["build/", ".svelte-kit/", "dist/"],
+  },
+);