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Advanced State Management and Persistence

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Overview

Add data persistence and advanced state operations to your Kanban board. Learn to save state to localStorage with $effect, implement task deletion with confirmation, handle async operations, and add robust form validation—building apps that gracefully handle errors and edge cases.

Syllabus

Unit 1: Refactoring the Task Store for Scalability in Svelte

Adding Timestamps to Task Objects
Adding Timestamps to New Tasks
Tracking Task Updates with Timestamps
Implementing Task Deletion and Derived States

Unit 2: Adding Task Deletion with Confirmation Dialog in Svelte

Creating a Basic Delete Button
Adding Confirmation to Delete Button
Styling the Delete Button Interface
Integrating DeleteButton into TaskCard Component

Unit 3: Persisting Kanban Tasks with localStorage in Svelte

Setting Up Task Persistence with localStorage
Loading Tasks with Reactive Effects
Saving Tasks with Reactive Effects

Unit 4: Adding User Notifications to Your Svelte Kanban Board

Tracking Latest Tasks for Notifications
Building a Reusable Notification Component
Creating a Task Notification Manager
Integrating Notifications into Main Application

Unit 5: Form Validation and Error Handling in Svelte

Setting Up Form Validation State
Implementing Form Validation Logic
Implementing Form Submission with Error Handling
Enhancing Forms with Visual Feedback
Creating a Global Error Page

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