Krzysztof Kowalczyk • 7/19/2025

vite /rollup manualChunks

This technical article details how to configure Vite's Rollup bundler with a manualChunks function to split large JavaScript bundles. It explains the performance benefits of lazy loading rarely used libraries (like markdown-it and highlight.js) and provides a practical code example for creating separate chunks for specific node_modules, a vendor chunk, and letting Rollup handle the rest.

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#JavaScript #bundling #code splitting