retry info endpoint a few times

Author: anisaoshafi

src/utils/manage.ts

@@ -26,18 +26,22 @@ async function fetchHealth(): Promise<boolean> {
 		return false;
 	}
 }
-
 async function fetchLocalStackSessionId(): Promise<string> {
-	try {
-		// TODO info endpoint is not available immediately
-		// potentially improve this later for tracking "vscode:emulator:started"
-		const infoResponse = await fetch("http://localhost:4566/_localstack/info");
-		if (infoResponse.ok) {
-			const info = (await infoResponse.json()) as { session_id?: string };
-			return info.session_id ?? "";
+	// retry a few times to allow LocalStack to start up and info become available
+	for (let attempt = 0; attempt < 5; attempt++) {
+		try {
+			const response = await fetch("http://localhost:4566/_localstack/info");
+			if (response.ok) {
+				const json = await response.json();
+				if (typeof json === "object" && json !== null && "session_id" in json) {
+					return (json as { session_id?: string }).session_id ?? "";
+				}
+				return "";
+			}
+		} catch {
+			// ignore error and retry
 		}
-	} catch {
-		// unable to fetch session id
+		await new Promise((resolve) => setTimeout(resolve, 1000));
 	}
 	return "";
 }