Book Image

Real-World Svelte

By : Tan Li Hau
4.3 (4)
Book Image

Real-World Svelte

4.3 (4)
By: Tan Li Hau

Overview of this book

Svelte has quickly become a popular choice among developers seeking to build fast, responsive, and efficient web applications that are high-performing, scalable, and visually stunning. This book goes beyond the basics to help you thoroughly explore the core concepts that make Svelte stand out among other frameworks. You’ll begin by gaining a clear understanding of lifecycle functions, reusable hooks, and various styling options such as Tailwind CSS and CSS variables. Next, you’ll find out how to effectively manage the state, props, and bindings and explore component patterns for better organization. You’ll also discover how to create patterns using actions, demonstrate custom events, integrate vanilla JS UI libraries, and progressively enhance UI elements. As you advance, you’ll delve into state management with context and stores, implement custom stores, handle complex data, and manage states effectively, along with creating renderless components for specialized functionalities and learning animations with tweened and spring stores. The concluding chapters will help you focus on enhancing UI elements with transitions while covering accessibility considerations. By the end of this book, you’ll be equipped to unlock Svelte's full potential, build exceptional web applications, and deliver performant, responsive, and inclusive user experiences.
Table of Contents (22 chapters)
1
Part 1: Writing Svelte Components
6
Part 2: Actions
10
Part 3: Context and Stores
16
Part 4: Transitions

Passing dynamic content through slots

When building complex applications, one size doesn’t always fit all. Balancing between a component’s modularity and a component’s flexibility for customization is crucial.

Take a generic Card component, for example. You might sometimes want to include special headlines, unique lists, or custom footers for specific use cases. It’s nearly impossible to anticipate every requirement, so it’s essential to design components that are both modular and maintainable, yet still open to customization.

This is where Svelte’s slot feature shines. Slots enable you to inject dynamic content into your components, making them incredibly versatile. Instead of designing a Card component that tries to include every possible feature, aim for a simple, clean base that can be enhanced through composition. This approach allows you to piece together more complex, customized components as your needs evolve.

In a Svelte component...