viewer: add markdown rendering component

Extracted from b170f49 (GH PR #304)

1 files changed, 7 insertions, 0 deletions

diff --git a/viewer/src/services/fetchWithCheck.ts b/viewer/src/services/fetchWithCheck.ts
new file mode 100644
index 0000000..e84e8b6
--- /dev/null
+++ b/viewer/src/services/fetchWithCheck.ts
@@ -0,0 +1,7 @@
+export default class FetchWithCheck {
+  static async get(url: RequestInfo): Promise<Response> {
+    const response = await fetch(url);
+    if (!response.ok) throw new Error(`${response.status}: ${response.statusText}`);
+    return response;
+  }
+}