Merge pull request #29 from DavidKmn/go-back-index-check

Add index validity check on goBack method
johnpatrickmorgan · May 23, 2022 · be3c288 · be3c288
2 parents 9acf489 + 2281a6f
commit be3c288
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Sources/FlowStacks/RoutableCollection+utilities.swift b/Sources/FlowStacks/RoutableCollection+utilities.swift
@@ -62,6 +62,7 @@ public extension RoutableCollection where Element: RouteProtocol {
   /// Goes back a given number of screens off the stack
   /// - Parameter count: The number of screens to go back. Defaults to 1.
   mutating func goBack(_ count: Int = 1) {
+    guard self.count - count >= 0 else { return }
     removeLast(count)
   }