Sandboxes: Update wait-on command to use TCP instead of HTTP

.github/workflows/generate-sandboxes-main.yml

@@ -43,7 +43,7 @@ jobs:
         run: yarn local-registry --open &
         working-directory: ./code
       - name: Wait for registry
-        run: yarn wait-on http://localhost:6001
+        run: yarn wait-on tcp:127.0.0.1:6001
         working-directory: ./code
       - name: Generate
         run: yarn generate-sandboxes --local-registry

.github/workflows/generate-sandboxes-next.yml

@@ -43,7 +43,7 @@ jobs:
         run: yarn local-registry --open &
         working-directory: ./code
       - name: Wait for registry
-        run: yarn wait-on http://localhost:6001
+        run: yarn wait-on tcp:127.0.0.1:6001
         working-directory: ./code
       - name: Generate
         run: yarn generate-sandboxes --local-registry --debug

scripts/tasks/run-registry.ts

@@ -15,7 +15,7 @@ export async function runRegistry({ dryRun, debug }: { dryRun?: boolean; debug?:
     // If aborted, we want to make sure the rejection is handled.
     if (!err.killed) throw err;
   });
-  await exec('yarn wait-on http://localhost:6001', { cwd: CODE_DIRECTORY }, { dryRun, debug });
+  await exec('yarn wait-on tcp:127.0.0.1:6001', { cwd: CODE_DIRECTORY }, { dryRun, debug });
 
   return controller;
 }

scripts/tasks/serve.ts

@@ -27,7 +27,7 @@ export const serve: Task = {
         throw err;
       }
     });
-    await waitOn({ resources: [`http://localhost:${PORT}`], interval: 16 });
+    await waitOn({ resources: [`tcp:127.0.0.1:${PORT}`], interval: 16 });
 
     return controller;
   },