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Real-World Svelte
Real-World Svelte

Real-World Svelte: Supercharge your apps with Svelte 4 by mastering advanced web development concepts

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Real-World Svelte

Lifecycles in Svelte

Svelte is a frontend framework. You can use Svelte to build websites and web applications. A Svelte application is made up of components. You write a Svelte component within a file with .svelte extension. Each .svelte file is one Svelte component.

When you create and use a Svelte component, the component goes through various stages of the component lifecycle. Svelte provides lifecycle functions, allowing you to hook into the different stages of the component.

In this chapter, we will start by talking about the various lifecycles and the lifecycle functions in Svelte. With a clear idea of lifecycles in mind, you will then learn the basic rule of using the lifecycle functions. This is essential, as you will see that this understanding will allow us to use the lifecycle functions in a lot of creative ways.

This chapter contains sections on the following topics:

  • What are Svelte lifecycle functions?
  • The rule of calling lifecycle functions
  • How to reuse and compose lifecycle functions

Technical requirements

Writing Svelte applications is very easy and does not require any paid tools. Despite the added value of most paid tools, we decided to use only free tools to make the content of this book available to you without any limitations.

You will require the following:

All the code examples for this chapter can be found on GitHub at: https://github.com/PacktPublishing/Real-World-Svelte/tree/main/Chapter01

Code for all chapters can be found at https://github.com/PacktPublishing/Real-World-Svelte.

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Key benefits

  • Create Svelte component lifecycles by styling and theming components as well as managing props and states
  • Leverage actions to build custom events, integrate libraries, and enhance UI elements progressively
  • Explore transitions, write custom transitions, and go through accessibility with transitions in Svelte
  • Purchase of the print or Kindle book includes a free PDF eBook

Description

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.

Who is this book for?

This book is for experienced web developers looking to enhance their skills and create high-performance web applications. Familiarity with JavaScript, frontend development, and basic Svelte concepts is recommended, making it ideal for professionals and developers who want to master Svelte's advanced features.

What you will learn

  • Master Svelte component development and write efficient Svelte code
  • Implement styling and theming techniques to create visually stunning UIs
  • Create reusable and composable Svelte components for better code organization
  • Understand state management with context and stores for scalable applications
  • Explore different use cases of Svelte stores and Svelte context
  • Utilize tweened and spring stores for complex animations and custom easing

Product Details

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Publication date : Dec 01, 2023
Length: 282 pages
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Language : English
ISBN-13 : 9781804615416
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Product Details

Publication date : Dec 01, 2023
Length: 282 pages
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Language : English
ISBN-13 : 9781804615416
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Table of Contents

21 Chapters
Part 1: Writing Svelte Components Chevron down icon Chevron up icon
Chapter 1: Lifecycles in Svelte Chevron down icon Chevron up icon
Chapter 2: Implementing Styling and Theming Chevron down icon Chevron up icon
Chapter 3: Managing Props and State Chevron down icon Chevron up icon
Chapter 4: Composing Components Chevron down icon Chevron up icon
Part 2: Actions Chevron down icon Chevron up icon
Chapter 5: Custom Events with Actions Chevron down icon Chevron up icon
Chapter 6: Integrating Libraries with Actions Chevron down icon Chevron up icon
Chapter 7: Progressive Enhancement with Actions Chevron down icon Chevron up icon
Part 3: Context and Stores Chevron down icon Chevron up icon
Chapter 8: Context versus Stores Chevron down icon Chevron up icon
Chapter 9: Implementing Custom Stores Chevron down icon Chevron up icon
Chapter 10: State Management with Svelte Stores Chevron down icon Chevron up icon
Chapter 11: Renderless Components Chevron down icon Chevron up icon
Chapter 12: Stores and Animations Chevron down icon Chevron up icon
Part 4: Transitions Chevron down icon Chevron up icon
Chapter 13: Using Transitions Chevron down icon Chevron up icon
Chapter 14: Exploring Custom Transitions Chevron down icon Chevron up icon
Chapter 15: Accessibility with Transitions Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

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4 star 21.1%
3 star 5.3%
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Steven Hagene Feb 05, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This book has really helped me with my understanding of Svelte and has helped make me much more proficient with my code. I would like to thank the author for the work that he has done with this book.
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Danilo Campos Jan 19, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Amazing, clear survey of everything you can do with Svelte, packaged much more consumable than the official documentation. This is the perfect companion for those who want to learn the best web development framework out there.
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IBQ GmbH Mar 11, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
The book addresses the various concepts concisely without loosing information.
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Ozzy U. Jul 27, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I switched from React to Svelte 4 a few months ago, and this book has been an incredible resource. It explains complex problems exceptionally well, and I was pleasantly surprised by its clarity. I absolutely loved it. The author is truly talented. Thank you!
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François Boudreau Mar 11, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Well written book. Clear and to the point with useful examples
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