Vercel ChangelogOct 13, 2023, 1:00 PMShu Ding

Next.js 如何優化套件導入(Package Imports)提升開發與編譯效能

Original: How we optimized package imports in Next.js

### Background and Pain Point: The Performance Trap of Barrel Files In modern frontend development, developers are accustomed to clean…

Vercel 詳細解析了 Next.js 如何優化大型套件(如 Lucide React、MUI)的導入機制。過去這些套件因「桶裝文件(Barrel Files)」設計,導致開發時需載入數千個模組,拖慢啟動速度。Next.js 透過 SWC 進行靜態分析,將萬用導入直接重寫為精準的路徑導入,使熱重載(HMR)與啟動速度提升高達 70%,並顯著降低記憶體消耗。

### Background and Pain Point: The Performance Trap of Barrel Files

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