interface: add utilities, fix useLazyScroll

pkg/interface/src/logic/lib/useLazyScroll.ts

@@ -41,6 +41,12 @@ export function useLazyScroll(
     }
   }, [count]);
 
+  useEffect(() => {
+    if(!ready) {
+      setIsDone(false);
+    }
+  }, [ready]);
+
   useEffect(() => {
     if (!ref.current || isDone || !ready) {
       return;
@@ -58,7 +64,7 @@ export function useLazyScroll(
     return () => {
       ref.current?.removeEventListener('scroll', onScroll);
     };
-  }, [ref?.current, count, ready]);
+  }, [ref?.current, ready, isDone]);
 
   return { isDone, isLoading };
 }

pkg/interface/src/logic/lib/useRunIO.ts

@@ -10,7 +10,7 @@ export function useRunIO<I, O>(
   io: (i: I) => Promise<O>,
   after: (o: O) => void,
   key: string
-) {
+): () => Promise<void> {
   const [resolve, setResolve] = useState<() => void>(() => () => {});
   const [reject, setReject] = useState<(e: any) => void>(() => () => {});
   const [output, setOutput] = useState<O | null>(null);

pkg/interface/src/logic/lib/util.ts

@@ -63,6 +63,16 @@ export function unixToDa(unix: number) {
   return DA_UNIX_EPOCH.add(timeSinceEpoch);
 }
 
+export function dmCounterparty(resource: string) {
+  const [,,ship,name] = resource.split('/');
+  return ship === `~${window.ship}` ? `~${name.slice(4)}` : ship;
+}
+
+export function isDm(resource: string) {
+  const [,,,name] = resource.split('/');
+  return name.startsWith('dm--');
+}
+
 export function makePatDa(patda: string) {
   return bigInt(udToDec(patda));
 }