refactor: flatten walk() with early continues

https://claude.ai/code/session_018SbTXFCAujDRRjBFtMTFXU

Author: alexander-turner

packages/jest-circus/src/legacy-code-todo-rewrite/jestAdapterInit.ts

@@ -158,26 +158,29 @@ export const collectTestsWithoutRunning = async ({
     for (const child of block.children) {
       if (child.type === 'describeBlock') {
         walk(child, [...ancestors, child.name]);
-      } else if (child.type === 'test') {
-        if (!testNamePattern || testNamePattern.test(getTestID(child))) {
-          const title = child.name;
-          assertionResults.push({
-            ancestorTitles: [...ancestors],
-            duration: null,
-            failing: false,
-            failureDetails: [],
-            failureMessages: [],
-            fullName: [...ancestors, title].join(' '),
-            invocations: 0,
-            location: null,
-            numPassingAsserts: 0,
-            retryReasons: [],
-            startAt: null,
-            status: 'pending' as Status,
-            title,
-          });
-        }
+        continue;
       }
+
+      if (testNamePattern && !testNamePattern.test(getTestID(child))) {
+        continue;
+      }
+
+      const title = child.name;
+      assertionResults.push({
+        ancestorTitles: [...ancestors],
+        duration: null,
+        failing: false,
+        failureDetails: [],
+        failureMessages: [],
+        fullName: [...ancestors, title].join(' '),
+        invocations: 0,
+        location: null,
+        numPassingAsserts: 0,
+        retryReasons: [],
+        startAt: null,
+        status: 'pending' as Status,
+        title,
+      });
     }
   };
   walk(rootDescribeBlock, []);