Fix local worker runtime freezing

.changeset/quiet-masks-lay.md

@@ -0,0 +1,5 @@
+---
+'@shopify/cli-hydrogen': patch
+---
+
+Fix an issue where the local worker runtime could freeze after a number of requests.

packages/cli/src/lib/mini-oxygen/workerd.ts

@@ -92,8 +92,16 @@ export async function startWorkerdServer({
       log: new NoOpLog(),
       liveReload: watch,
       host: 'localhost',
-      handleRuntimeStdio() {
+      handleRuntimeStdio(stdout, stderr) {
         // TODO: handle runtime stdio and remove inspector logs
+        // stdout.pipe(process.stdout);
+        // stderr.pipe(process.stderr);
+
+        // Destroy these streams to prevent memory leaks
+        // until we start piping them to the terminal.
+        // https://github.com/Shopify/hydrogen/issues/1720
+        stdout.destroy();
+        stderr.destroy();
       },
       workers: [
         {

packages/cli/src/lib/vite/mini-oxygen.ts

@@ -60,6 +60,14 @@ export async function startMiniOxygenRuntime({
     inspectorPort: privateInspectorPort,
     handleRuntimeStdio(stdout, stderr) {
       // TODO: handle runtime stdio and remove inspector logs
+      // stdout.pipe(process.stdout);
+      // stderr.pipe(process.stderr);
+
+      // Destroy these streams to prevent memory leaks
+      // until we start piping them to the terminal.
+      // https://github.com/Shopify/hydrogen/issues/1720
+      stdout.destroy();
+      stderr.destroy();
     },
     workers: [
       {