✨ Remove empty tasks when cell loses focus

This resolves #65

Signed-off-by: Peter Friese <peter@peterfriese.de>

Author: peterfriese

code/frontend/MakeItSo/Shared/Extensions/View+Focus.swift

@@ -21,6 +21,7 @@ import SwiftUI
 
 /// Used to manage focus in a `List` view
 enum Focusable: Hashable {
+  case none
   case row(id: String)
 }
 

code/frontend/MakeItSo/Shared/Features/TaskList/ViewModels/TasksListViewModel.swift

@@ -81,6 +81,15 @@ class TasksListViewModel: ObservableObject {
     // if any row is focused, insert the new task after the focused row
     if case .row(let id) = focusedTask {
       if let index = tasks.firstIndex(where: { $0.id == id } ) {
+        
+        // If the currently selected task is empty, unfocus it.
+        // This will kick off the pipeline that removes empty tasks.
+        let currentTask = tasks[index]
+        guard !currentTask.title.isEmpty else {
+          focusedTask = Focusable.none
+          return
+        }
+        
         tasks.insert(newTask, at: index + 1)
       }
     }