refactor: useLoadSpectra function return type

Author: hamed-musallam

src/hooks/useLoadSpectra.ts

@@ -44,36 +44,41 @@ async function loadSpectraFromURLs(urls: string[]) {
 
 type NMRiumData = NmriumState['data'];
 
-export function useLoadSpectra() {
+type LoadOptions = { urls: string[] } | { files: File[] };
+
+interface UseLoadSpectraResult {
+  data: { version: number; data: NMRiumData };
+  load: (options: LoadOptions) => void;
+  isLoading: boolean;
+}
+
+export function useLoadSpectra(): UseLoadSpectraResult {
   const [data, setData] = useState<NMRiumData>({ spectra: [], molecules: [] });
   const [isLoading, setLoading] = useState<boolean>(false);
 
-  const load = useCallback(
-    async (options: { urls: string[] } | { files: File[] }) => {
-      setLoading(true);
-      try {
-        if ('urls' in options) {
-          if (isArrayOfString(options.urls)) {
-            const result = await loadSpectraFromURLs(options.urls);
-            setData(result as NMRiumData);
-          } else {
-            throw new Error('The input must be a valid urls array of string[]');
-          }
-        } else if ('files' in options) {
-          const result = await loadSpectraFromFiles(options.files);
+  const load = useCallback(async (options: LoadOptions) => {
+    setLoading(true);
+    try {
+      if ('urls' in options) {
+        if (isArrayOfString(options.urls)) {
+          const result = await loadSpectraFromURLs(options.urls);
           setData(result as NMRiumData);
+        } else {
+          throw new Error('The input must be a valid urls array of string[]');
         }
-      } catch (error: unknown) {
-        const loadError = error as Error;
-        events.trigger('error', loadError);
-        // eslint-disable-next-line no-console
-        console.log(error);
-      } finally {
-        setLoading(false);
+      } else if ('files' in options) {
+        const result = await loadSpectraFromFiles(options.files);
+        setData(result as NMRiumData);
       }
-    },
-    [],
-  );
+    } catch (error: unknown) {
+      const loadError = error as Error;
+      events.trigger('error', loadError);
+      // eslint-disable-next-line no-console
+      console.log(error);
+    } finally {
+      setLoading(false);
+    }
+  }, []);
 
   return useMemo(
     () => ({