build: update project eslint to flat config

Author: Rel1cx

.eslintrc.cjs

@@ -51,9 +51,15 @@
     }
   ],
   "mdx.server.enable": true,
-  "eslint.experimental.useFlatConfig": false,
+  "eslint.experimental.useFlatConfig": true,
   "eslint.options": {
-    "extensions": [".js", ".jsx", ".mdx", ".ts", ".tsx"]
+    "extensions": [
+      ".js",
+      ".jsx",
+      ".mdx",
+      ".ts",
+      ".tsx"
+    ]
   },
   "eslint.validate": [
     "mdx",

.vscode/settings.json

@@ -1 +1 @@
-1.5.8-next.4
+1.5.8-next.5

VERSION

@@ -86,6 +86,8 @@
     "uncast",
     "unoptimized",
     "valibot",
-    "weakref"
+    "weakref",
+    "nocheck",
+    "IIFEs"
   ]
 }

cspell.json

@@ -0,0 +1,8 @@
+// @ts-check
+
+// TODO - https://github.com/eslint/eslint/pull/17909
+// either it gets back-ported (https://github.com/eslint/eslint/issues/17966) or we wait till v9
+
+/** @type {import('@typescript-eslint/utils/ts-eslint').FlatConfig.ConfigPromise} */
+const config = (async () => (await import("./eslint.config.mjs")).default)();
+module.exports = config;