Svelte Typescript Setups

Overview

This article explores different bundler setups for Svelte, focusing on finding the best bundler for efficient and optimized development with features like Typescript support, PostCSS integration, small bundle sizes, correct sourcemaps for debugging, HMR support, and more. The author also provides a test app, showcasing various aspects that a good bundler should handle, such as Svelte components in Typescript, external Svelte libraries, external library dependencies, importing external assets, and working with PostCSS and TailwindCSS.

Features

• Fast bundling: The author emphasizes the need for a bundler that offers fast processing and compilation times.
• Typescript support: The chosen bundler should seamlessly support writing Svelte components in Typescript and should ensure correct type checking and transpiling for a smooth development experience.
• PostCSS integration: The bundler needs to integrate with PostCSS, enabling easy usage and configuration of CSS preprocessing with features like SASS and PostCSS plugins.
• Efficient bundle sizes: The bundler should produce small and efficient bundles, minimizing load times and optimizing performance.
• Sourcemaps for debugging: Correct sourcemaps generation is essential for efficient debugging and error tracking during development.
• HMR (Hot Module Replacement) support: The bundler should support HMR, allowing for real-time updates and instant module replacement during development.
• Support for external Svelte libraries: The chosen bundler should efficiently handle external Svelte libraries, ensuring proper integration and minimal overhead.
• Support for external assets: The bundler should enable seamless importing of external assets like SVG, PNG, and JSON, allowing for easy usage within the Svelte app.

Installation

The article does not provide a specific guide for installing the different bundlers. However, it does mention the names of the bundlers being explored, namely Vite, Svite, Snowpack, and Webpack 5. Users can refer to the respective documentation or online resources for installation instructions and code snippets specific to each bundler.

Summary

In this article, the author highlights the importance of choosing the right bundler for efficient and optimized Svelte development. They discuss key features to consider, including fast bundling, Typescript support, PostCSS integration, small bundle sizes, correct sourcemaps, and HMR support. The author also showcases a test app, demonstrating various aspects that a good bundler should handle. While specific installation instructions are not provided, the article mentions the bundlers being explored for readers to refer to their respective documentation or online resources.