0.10.6

Sources/Shared/Models/ChatScrollPositionPolicy.swift

@@ -0,0 +1,20 @@
+import CoreGraphics
+
+enum ChatScrollPositionPolicy {
+    static let nearBottomThreshold: CGFloat = 96
+
+    static func isNearBottom(
+        bottomY: CGFloat,
+        viewportHeight: CGFloat
+    ) -> Bool {
+        guard bottomY.isFinite, viewportHeight.isFinite, viewportHeight > 0 else {
+            return true
+        }
+        return bottomY <= viewportHeight + nearBottomThreshold
+    }
+
+    static func isNearBottom(distanceFromBottom: CGFloat) -> Bool {
+        guard distanceFromBottom.isFinite else { return true }
+        return distanceFromBottom <= nearBottomThreshold
+    }
+}