style: improve classname by clsx

app/components/message-selector.tsx

@@ -8,6 +8,7 @@ import Locale from "../locales";
 
 import styles from "./message-selector.module.scss";
 import { getMessageTextContent } from "../utils";
+import clsx from "clsx";
 
 function useShiftRange() {
   const [startIndex, setStartIndex] = useState<number>();
@@ -71,6 +72,7 @@ export function MessageSelector(props: {
   defaultSelectAll?: boolean;
   onSelected?: (messages: ChatMessage[]) => void;
 }) {
+  const LATEST_COUNT = 4;
   const chatStore = useChatStore();
   const session = chatStore.currentSession();
   const isValid = (m: ChatMessage) => m.content && !m.isError && !m.streaming;
@@ -141,15 +143,13 @@ export function MessageSelector(props: {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [startIndex, endIndex]);
 
-  const LATEST_COUNT = 4;
-
   return (
     <div className={styles["message-selector"]}>
       <div className={styles["message-filter"]}>
         <input
           type="text"
           placeholder={Locale.Select.Search}
-          className={styles["filter-item"] + " " + styles["search-bar"]}
+          className={clsx(styles["filter-item"], styles["search-bar"])}
           value={searchInput}
           onInput={(e) => {
             setSearchInput(e.currentTarget.value);
@@ -196,9 +196,9 @@ export function MessageSelector(props: {
 
           return (
             <div
-              className={`${styles["message"]} ${
-                props.selection.has(m.id!) && styles["message-selected"]
-              }`}
+              className={clsx(styles["message"], {
+                [styles["message-selected"]]: props.selection.has(m.id!),
+              })}
               key={i}
               onClick={() => {
                 props.updateSelection((selection) => {
@@ -221,7 +221,7 @@ export function MessageSelector(props: {
                 <div className={styles["date"]}>
                   {new Date(m.date).toLocaleString()}
                 </div>
-                <div className={`${styles["content"]} one-line`}>
+                <div className={clsx(styles["content"], "one-line")}>
                   {getMessageTextContent(m)}
                 </div>
               </div>