reorganize code into smaller files & dirs

packages/app/src/Components/Event/Create/util.ts

@@ -0,0 +1,28 @@
+import { NostrEvent, OkResponse, SystemInterface } from "@snort/system";
+import { removeUndefined } from "@snort/shared";
+
+export async function sendEventToRelays(
+  system: SystemInterface,
+  ev: NostrEvent,
+  customRelays?: Array<string>,
+  setResults?: (x: Array<OkResponse>) => void,
+) {
+  if (customRelays) {
+    system.HandleEvent({ ...ev, relays: [] });
+    return removeUndefined(
+      await Promise.all(
+        customRelays.map(async r => {
+          try {
+            return await system.WriteOnceToRelay(r, ev);
+          } catch (e) {
+            console.error(e);
+          }
+        }),
+      ),
+    );
+  } else {
+    const responses: OkResponse[] = await system.BroadcastEvent(ev);
+    setResults?.(responses);
+    return responses;
+  }
+}