Fix text previews

VoidCat/spa/src/TextPreview.css

@@ -3,4 +3,5 @@
     padding: 10px;
     border-radius: 10px;
     text-align: initial;
+    overflow: auto;
 }

VoidCat/spa/src/TextPreview.js

@@ -5,15 +5,24 @@ export function TextPreview(props) {
     let [content, setContent] = useState("Loading..");
 
     async function getContent(link) {
-        let req = await fetch(link);
+        let req = await fetch(`${link}?t=${new Date().getTime()}`, {
+            headers: {
+                "pragma": "no-cache",
+                "cache-control": "no-cache"
+            }
+        });
         if (req.ok) {
             setContent(await req.text());
+        } else {
+            setContent("ERROR :(")
         }
     }
 
     useEffect(() => {
-        getContent(props.link);
+        if (props.link !== undefined && props.link !== "#") {
-    }, []);
+            getContent(props.link);
+        }
+    }, [props.link]);
 
     return (
         <pre className="text-preview">{content}</pre>