From 7cc49a2b3985dc699f3ba114910421a88eee7a27 Mon Sep 17 00:00:00 2001
From: J Chris Anderson <jchris@fireproof.storage>
Date: Wed, 17 Sep 2025 11:45:23 -0700
Subject: [PATCH] upgrade to type-checked eslint rules
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This change upgrades from basic strict/stylistic configs to type-checked
configs (strictTypeChecked, stylisticTypeChecked, recommendedTypeChecked).
The stricter type-checking rules expose 2,304 lint violations that need
to be addressed.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 eslint.config.mjs | 34 +++++++++++++++++++++++++++-------
 1 file changed, 27 insertions(+), 7 deletions(-)

diff --git a/eslint.config.mjs b/eslint.config.mjs
index 7c32d46aa..83c1eabd9 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -5,32 +5,46 @@ import importPlugin from "eslint-plugin-import";
 const opts = tseslint.config(
   eslint.configs.recommended,
   //   ...tseslint.configs.recommended,
-  ...tseslint.configs.strict,
-  ...tseslint.configs.stylistic,
+  // ...tseslint.configs.strict,
+  // ...tseslint.configs.stylistic,
+  ...tseslint.configs.strictTypeChecked,
+  ...tseslint.configs.stylisticTypeChecked,
+  ...tseslint.configs.recommendedTypeChecked,
   {
     languageOptions: {
-      globals: {
-        queueMicrotask: "readonly",
+      parserOptions: {
+        sourceType: "module",
+        project: "./tsconfig.json",
+        //        projectService: true,
+        tsconfigRootDir: import.meta.dirname,
       },
     },
   },
   {
     ignores: [
       "babel.config.cjs",
+      "prettier.config.js",
       "jest.config.js",
+      "setup.*.js",
+      "to-esm.js",
+      "vitest.*.ts",
+      "**/.esm-cache/**",
       "**/dist/",
+      "dist/**",
       "**/pubdir/",
       "**/node_modules/",
       "**/scripts/",
       "**/examples/",
       "scripts/",
+      "coverage/",
       "smoke/react/",
       "src/missingTypes/lib.deno.d.ts",
-      "**/.cache/**",
-      "**/.esm-cache/**",
-      "**/.wrangler/**",
     ],
   },
+  {
+    files: ["**/*.js", "*.mjs"],
+    extends: [tseslint.configs.disableTypeChecked],
+  },
   {
     plugins: {
       import: importPlugin,
@@ -53,6 +67,12 @@ const opts = tseslint.config(
       "no-restricted-globals": ["error", "URL", "TextDecoder", "TextEncoder"],
     },
   },
+  {
+    files: ["**/*.ts", "**/*.tsx"],
+    rules: {
+      "@typescript-eslint/prefer-readonly": "error",
+    },
+  },
 );
 
 export default opts;