Svelte 5 Runes Todo

A SvelteKit application that implements a simple todo list with advanced features using the new Runes APIs in Svelte 5.

Features

• Add, delete, and toggle tasks.
• Categorize tasks with tags.
• Reactive state management.
• Persistence with local storage.
• Undo/redo functionality.
• Task statistics and filtered views.

Files

• todo-list.svelte: Main application logic.
• task-item.svelte: Single task component.
• $lib: Contains Task type definition.

Code Overview

The todo-list.svelte file uses several features of Svelte 5:

• $state: This api is used to create reactive states for tasks, input value, and tags. Any changes to these states will automatically cause the component to re-render.
• frozen: This api is used to prevent reactivity for tags. Changes to tags will not cause the component to re-render.
• $derived.by: This api is used to create derived states for total tasks, completed tasks, and filtered tasks. These states automatically update whenever their dependencies change.
• $effect: This api is used to handle side effects, such as saving and loading tasks from local storage.
• $inspect: This api is used for debugging. It can log the current state of tasks to the console.

Note: These new Runes APIs are part of Svelte 5.

Running the Application

This application requires Bun or Node.js. Follow these steps to get it up and running:

1. Clone the repository to your local machine.
2. Navigate to the project directory.
3. Install the necessary dependencies using bun install or npm install.
4. Start the server using bun run dev or npm run dev.

For optimal development experience with Svelte syntax, consider installing the Svelte extension for your IDE.