Carry the source transcript into forks and cross-link fork points

2026-10-20 09:14:44 -07:00
parent 29c993cde0
commit 09d6c6e023
10 changed files with 208 additions and 123 deletions
@@ -25,6 +25,7 @@ final class Listeners<T> {
 final class Feed {
    private(set) var events: [ByreEvent] = []
    private(set) var ready = false
+    private(set) var inherited = 0
    let appended = Listeners<[ByreEvent]>()
    let streamed = Listeners<ByreEvent>()
    @ObservationIgnored private var last: Int64 = 0
@@ -49,15 +50,20 @@ final class Feed {
        }
    }

-    func load(_ history: [ByreEvent]) {
+    func load(_ history: [ByreEvent], inherited: Int = 0) {
        if ready {
            return
        }
        ready = true
+        self.inherited = inherited
        buffer = history + buffer
        flush()
    }

+    var own: ArraySlice<ByreEvent> {
+        events.dropFirst(inherited)
+    }
+
    func prepend(_ older: [ByreEvent]) {
        events.insert(contentsOf: older, at: 0)
    }