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

Progressive Enhancement with Actions

Progressive enhancement is a design philosophy in web development that emphasizes providing content and core functionality to everyone while delivering an enhanced experience to users who can afford it.

In this chapter, we will start with a more in-depth discussion of what progressive enhancement is. There are many ways to achieve progressive enhancement in your application; we will explore one of them by using Svelte actions. I will explain my reasoning as to why I think Svelte actions are designed for this use case.

Toward the end of the chapter, we will go through a few examples of using Svelte actions to progressively enhance our application.

By the end of this chapter, you will be able to build an application that follows the principles of progressive enhancement and supports as many user devices as possible.

This chapter covers the following topics:

  • What is progressive enhancement?
  • Why use Svelte actions for progressive...