TODO App

A feature-rich TODO application built with Vue.js that helps you manage your tasks and subtasks efficiently.

Features

Task Management

• Add new TODO items through the input field (Enter key or Add button)
• Mark tasks as complete with a checkmark button (✓)
• Edit existing tasks by clicking the pencil icon (✎)
• Delete tasks with confirmation dialog
• Duplicate detection: Prevents adding identical tasks with error notification
• Tasks maintain their state even after page refresh

Subtask Support

• Add subtasks to any TODO item
• Manage subtasks independently:
  • Mark subtasks as complete/incomplete
  • Edit subtask text
  • Delete subtasks with confirmation
• Prevents duplicate subtasks within the same parent task

Visual Feedback

• Completed items show with strikethrough style
• Toast notifications for duplicate items
• Confirmation dialogs for destructive actions (delete/clear)
• Clear visual hierarchy between tasks and subtasks

Data Management

• Clear entire list with confirmation
• Export your TODO list to CSV format including:
  • Task descriptions
  • Completion status
  • Subtasks with their status
• Automatic saving to local storage
• Data persistence across browser sessions

Usage Tips

1. Add tasks using the main input field at the top
2. Use the buttons next to each task to:
   • Toggle completion (✓)
   • Edit text (✎)
   • Add subtasks (+)
   • Delete (×)
3. Manage your list using the bottom buttons:
   • Clear List: Removes all tasks (with confirmation)
   • Export to CSV: Downloads your list in CSV format

Technical Features

• Vue 3 with Composition API
• Vuex for state management
• Local storage integration
• Toast notifications for error handling
• Hierarchical data structure supporting subtasks