diff --git a/.esbuild/build.ts b/.esbuild/build.ts
index 310c92c7d..2735f1f91 100644
--- a/.esbuild/build.ts
+++ b/.esbuild/build.ts
@@ -56,7 +56,9 @@ const handler = (e) => {
 
 const main = async () => {
   await generateLangium();
-  await mkdir('stats').catch(() => {});
+  await mkdir('stats').catch(() => {
+    // Ignore error if directory already exists
+  });
   const packageNames = Object.keys(packageOptions) as (keyof typeof packageOptions)[];
   // it should build `parser` before `mermaid` because it's a dependency
   for (const pkg of packageNames) {
diff --git a/eslint.config.js b/eslint.config.js
index b635c8731..d31685c05 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -69,15 +69,6 @@ export default tseslint.config(
       '@typescript-eslint/no-floating-promises': 'error',
       '@typescript-eslint/no-misused-promises': 'error',
       '@typescript-eslint/no-unused-vars': 'warn',
-      '@typescript-eslint/no-unsafe-argument': 'off',
-      '@typescript-eslint/no-unsafe-member-access': 'off',
-      '@typescript-eslint/no-unsafe-call': 'off',
-      '@typescript-eslint/no-unsafe-return': 'off',
-      '@typescript-eslint/no-empty-function': 'off',
-      '@typescript-eslint/prefer-nullish-coalescing': 'warn',
-      '@typescript-eslint/prefer-promise-reject-errors': 'off',
-      '@typescript-eslint/only-throw-error': 'off',
-      '@typescript-eslint/no-unsafe-assignment': 'off',
       '@typescript-eslint/consistent-type-definitions': 'error',
       '@typescript-eslint/ban-ts-comment': [
         'error',
@@ -100,6 +91,16 @@ export default tseslint.config(
           },
         },
       ],
+      // START: These rules should be turned on once the codebase is cleaned up
+      '@typescript-eslint/no-unsafe-argument': 'off',
+      '@typescript-eslint/no-unsafe-assignment': 'off',
+      '@typescript-eslint/no-unsafe-call': 'off',
+      '@typescript-eslint/no-unsafe-member-access': 'off',
+      '@typescript-eslint/no-unsafe-return': 'off',
+      '@typescript-eslint/only-throw-error': 'warn',
+      '@typescript-eslint/prefer-nullish-coalescing': 'warn',
+      '@typescript-eslint/prefer-promise-reject-errors': 'warn',
+      // END
       'json/*': ['error', 'allowComments'],
       '@cspell/spellchecker': [
         'error',
diff --git a/packages/mermaid/src/logger.ts b/packages/mermaid/src/logger.ts
index d73b05397..18edb43de 100644
--- a/packages/mermaid/src/logger.ts
+++ b/packages/mermaid/src/logger.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-empty-function */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable @typescript-eslint/no-unused-vars */