sort out libs / fix warnings

1 files changed, 5 insertions, 1 deletions

diff --git a/pages/show-db.ts b/pages/show-db.ts
index 0a3a5bd46..71e74388b 100644
--- a/pages/show-db.ts
+++ b/pages/show-db.ts
@@ -48,6 +48,10 @@ function prettyPrint(obj: any) {
 
 document.addEventListener("DOMContentLoaded", () => {
   chrome.runtime.sendMessage({type: 'dump-db'}, (resp) => {
-    document.getElementById('dump').innerHTML = prettyPrint(resp);
+    const el = document.getElementById('dump');
+    if (!el) {
+      throw Error();
+    }
+    el.innerHTML = prettyPrint(resp);
   });
 });