Merge "ui: Improve error message for invalid permalink"
diff --git a/ui/src/controller/permalink_controller.ts b/ui/src/controller/permalink_controller.ts
index 039498c..4f955af 100644
--- a/ui/src/controller/permalink_controller.ts
+++ b/ui/src/controller/permalink_controller.ts
@@ -123,6 +123,12 @@
private static async loadState(id: string): Promise<State|RecordConfig> {
const url = `https://storage.googleapis.com/${BUCKET_NAME}/${id}`;
const response = await fetch(url);
+ if (!response.ok) {
+ throw new Error(
+ `Could not fetch permalink.\n` +
+ `Are you sure the id (${id}) is correct?\n` +
+ `URL: ${url}`);
+ }
const text = await response.text();
const stateHash = await toSha256(text);
const state = JSON.parse(text);
