1 files changed, 9 insertions, 0 deletions

diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 5587ea7..55a055d 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -44,6 +44,8 @@ module.exports = {
     },
   },
   rules: {
+    // TODO Flip this to `ignorePackages` once we are on `nodenext` resolution.
+    'import/extensions': ['error', 'never'],
     'import/no-unresolved': 'error',
     'import/order': [
       'error',
@@ -66,6 +68,13 @@ module.exports = {
     ],
     // Airbnb prefers forEach.
     'unicorn/no-array-for-each': 'off',
+    // Typescript requires exlicit `undefined` arguments.
+    'unicorn/no-useless-undefined': [
+      'error',
+      {
+        checkArguments: false,
+      },
+    ],
     // Common abbreviations are known and readable.
     'unicorn/prevent-abbreviations': 'off',
   },