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What is Vite?

Vite is a modern tool for building frontend applications, created as a faster alternative to Webpack. It uses native ES modules in the browser during development and is built on the ultra-fast esbuild bundler (or Rollup for production).

Key features of Vite

  1. Instant dev server start - no preliminary build of the whole project is needed.
  2. Very fast code updates - only the changed module is reloaded.
  3. Native support for TS, JSX, Vue, React, and CSS modules out of the box.
  4. Rollup build for production - the final bundles are optimized and compact.

How it works

  • in development mode, Vite serves the source files to the browser as ES modules, avoiding a long rebuild
  • in production, it builds the whole project, but with heavy optimizations already applied

Summary

Vite is a tool that speeds up development and builds thanks to ES modules, next-level HMR, and minimal delay between a code change and the result in the browser.

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