Rspack is a high-performance frontend build tool developed in Rust, designed to provide faster build speeds and better development experience than traditional Webpack. It leverages Rust's high-performance and safety features to achieve extreme build performance while maintaining compatibility with the Webpack ecosystem.
Key features of Rspack include:
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High-Performance Builds: Written in Rust, utilizing Rust's zero-cost abstractions and memory safety features to significantly improve build speed. Compared to Webpack, Rspack can achieve 10-100x build speed improvements in large projects.
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Webpack Compatibility: Rspack is designed with full consideration of Webpack compatibility, supporting most Webpack configurations and plugins, allowing developers to seamlessly migrate existing projects.
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Hot Module Replacement (HMR): Provides fast HMR support, achieving millisecond-level hot updates during development, improving development efficiency.
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Code Splitting: Supports intelligent code splitting, automatically identifying common dependencies, optimizing bundle size, and improving application loading performance.
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Tree Shaking: Implements efficient Tree Shaking, automatically removing unused code and reducing final bundle size.
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Incremental Builds: Supports incremental builds, only rebuilding changed modules to further improve build speed.
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TypeScript Support: Built-in TypeScript support, handling TypeScript files without additional configuration.
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CSS Processing: Provides powerful CSS processing capabilities, supporting CSS Modules, PostCSS, and more.
Rspack's architecture design allows it to fully leverage multi-core CPU advantages, significantly improving build efficiency through parallel processing of build tasks. Additionally, Rspack's plugin system is designed flexibly, allowing developers to easily extend its functionality.
In practical applications, Rspack is particularly suitable for large frontend projects and scenarios requiring fast builds, significantly reducing build time and improving development experience.