History menu improvements

App/Utilities/StringUtilities.swift

@@ -0,0 +1,26 @@
+//
+//  StringUtilities.swift
+//  App
+//
+//  Created by James Magahern on 7/31/24.
+//
+
+import Foundation
+
+extension String {
+    internal func middleTruncatedString(maximumLength: Int) -> String {
+        if maximumLength > self.count {
+            return self
+        }
+        
+        // Compute replacement range
+        let pivot = self.count / 2
+        let truncationLength = self.count - maximumLength
+        
+        let pivotIndex = self.index(startIndex, offsetBy: pivot)
+        let startIndex = self.index(pivotIndex, offsetBy: -truncationLength / 2)
+        let endIndex = self.index(pivotIndex, offsetBy: truncationLength / 2)
+        
+        return replacingCharacters(in: startIndex..<endIndex, with: "…")
+    }
+}