diff --git a/src/components/SearchBar.tsx b/src/components/SearchBar.tsx
index 36de86f..30b2053 100644
--- a/src/components/SearchBar.tsx
+++ b/src/components/SearchBar.tsx
@@ -15,6 +15,10 @@ export default function SearchBar({ isLoading, setSearchQuery }: SearchBarProps)
     setSearchQuery(internalQuery);
   };
 
+  let rightElement;
+  if (isLoading) rightElement = <Spinner />;
+  else rightElement = <SearchIcon />;
+
   return (
     <form onSubmit={onSubmit}>
       <InputGroup>
@@ -26,9 +30,7 @@ export default function SearchBar({ isLoading, setSearchQuery }: SearchBarProps)
           value={internalQuery}
           onChange={(evt) => setInternalQuery(evt.target.value)}
         />
-        <InputRightElement>
-          {{ false: <SearchIcon />, true: <Spinner /> }[isLoading]}
-        </InputRightElement>
+        <InputRightElement>{rightElement}</InputRightElement>
       </InputGroup>
     </form>
   );
diff --git a/src/components/SrsPart.tsx b/src/components/SrsPart.tsx
index 114e086..69660dd 100644
--- a/src/components/SrsPart.tsx
+++ b/src/components/SrsPart.tsx
@@ -1,4 +1,6 @@
+// @ts-ignore: https://git.mzhang.io/michael/houhou/issues/4
 import buildFormatter from "react-timeago/es6/formatters/buildFormatter";
+// @ts-ignore: https://git.mzhang.io/michael/houhou/issues/4
 import shortEnStrings from "react-timeago/es6/language-strings/en-short";
 import classNames from "classnames";
 import { KanjiSrsInfo } from "../lib/kanji";
diff --git a/src/components/VocabList.tsx b/src/components/VocabList.tsx
index 8e64e2d..f6ebc1d 100644
--- a/src/components/VocabList.tsx
+++ b/src/components/VocabList.tsx
@@ -19,7 +19,7 @@ export default function VocabList({ className, kanjiId }: VocabListProps) {
 
   if (!data) {
     console.error(error);
-    return;
+    return <>Error {error}</>;
   }
 
   return (
diff --git a/src/index.d.ts b/src/index.d.ts
new file mode 100644
index 0000000..e69de29