Fix resolving of builtins with tsconfig + baseUrl (#8893)

packages/utils/node-resolver-core/test/fixture/tsconfig/builtins/tsconfig.json

@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "baseUrl": "."
+  }
+}

packages/utils/node-resolver-rs/src/lib.rs

@@ -2318,6 +2318,18 @@ mod tests {
         module: "ts-path".into()
       },
     );
+    assert_eq!(
+      test_resolver()
+        .resolve(
+          "zlib",
+          &root().join("tsconfig/builtins/thing.js"),
+          SpecifierType::Cjs
+        )
+        .result
+        .unwrap()
+        .0,
+      Resolution::Builtin("zlib".into())
+    );
 
     let invalidations = test_resolver()
       .resolve("ts-path", &root().join("foo.js"), SpecifierType::Esm)

packages/utils/node-resolver-rs/src/tsconfig.rs

@@ -142,6 +142,11 @@ impl<'a> TsConfig<'a> {
       }
     }
 
+    if matches!(specifier, Specifier::Builtin(..)) {
+      // If specifier is a builtin then there's no match
+      return Either::Right(Either::Right(std::iter::empty()));
+    }
+
     // If no paths were found, try relative to the base url.
     Either::Right(base_url_iter)
   }