add error handling in Topic get req

diskuy/package.json

@@ -15,7 +15,7 @@
     "web-vitals": "^0.2.4"
   },
   "scripts": {
-    "start": "set PORT=3000 && react-scripts start",
+    "start": "node server/server.js",
     "build": "react-scripts build",
     "test": "react-scripts test",
     "eject": "react-scripts eject"

diskuy/src/Topic.js

@@ -11,19 +11,19 @@ export default function Topic(props){
 
     useEffect(() => {
         const fetch = async () => {
-            const responseThreads = await axios.get(`${API_URL}/threads/`)
-            const responseTopics = await axios.get(`${API_URL}/topics`)
+            try {
+                const responseThreads = await axios.get(`${API_URL}/threads/`)
+                const responseTopics = await axios.get(`${API_URL}/topics`)
            
-            const topic = responseTopics.data.data.find(topic => topic.name === topicParam).id
-            const threads = responseThreads.data.data.filter(thread => thread.topic_id === topic)
-            const sortedThreads = threads.sort((a, b) => {
+                const topic = responseTopics.data.data.find(topic => topic.name === topicParam).id
+                const threads = responseThreads.data.data.filter(thread => thread.topic_id === topic)
+                const sortedThreads = threads.sort((a, b) => {
                 if (a.id < b.id) return 1
                 if (a.id > b.id) return -1
                 return 0
-            })
-            setThread(sortedThreads)
-            console.log(threads)
-            
+                })
+                setThread(sortedThreads)
+            } catch(error){}
         }
         fetch()   
     }, [topicParam])