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

Writing a custom CSS transition using the css function

The first custom transition we will be attempting to write together is an effect often witnessed in presentations, commonly referred to as the “color swipe.” This effect stands out due to its dynamic sweep of color that flows across the screen, creating a sense of energy that captivates the viewer’s attention.

The color swipe transition, as its name suggests, involves a sweeping change in color that takes place over an object.

Picture this: you’re looking at a static screen, possibly a section of a website. Suddenly, a new color begins to surface from one edge of the screen. Like a wave, this color spreads across the screen, enveloping it. As soon as the color completely covers the screen, it starts to recede from the edge of origin, revealing new content. When the color entirely withdraws, the new content is fully unveiled:

igure 14.3: The color swipe transition

The swipe can move in from...