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src/app/core/requests.ts

@@ -131,8 +131,55 @@ export const makeFeed = ({
     insertEvent(event)
   }
 
+  const reveal = (id: string, targetEvent?: TrustedEvent) => {
+    const current = get(events)
+
+    if (current.find(e => e.id === id)) {
+      return true
+    }
+
+    const queued = get(buffer)
+    const index = queued.findIndex(e => e.id === id)
+
+    if (index === -1) {
+      const event = targetEvent || repository.getEvent(id)
+
+      if (event && matchFilters(filters, event)) {
+        insertEvent(event)
+
+        const next = get(events)
+
+        if (next.find(e => e.id === id)) {
+          return true
+        }
+
+        const queuedNext = get(buffer)
+        const queuedIndex = queuedNext.findIndex(e => e.id === id)
+
+        if (queuedIndex > -1) {
+          const count = Math.max(30, queuedIndex + 1)
+          const chunk = queuedNext.splice(0, count)
+
+          events.update($events => [...$events, ...chunk])
+
+          return true
+        }
+      }
+
+      return false
+    }
+
+    const count = Math.max(30, index + 1)
+    const chunk = queued.splice(0, count)
+
+    events.update($events => [...$events, ...chunk])
+
+    return true
+  }
+
   return {
     events,
+    reveal,
     cleanup: () => {
       scroller.stop()
       controller.abort()