將大型開源 React 應用程式遷移至 Next.js 與 Vercel 的實戰指南
Original: Migrating a large, open-source React application to Next.js and Vercel
This article provides a detailed analysis of the complete strategy and technical details for migrating a large open-source React…
本文探討將大型開源 React 單頁應用程式（SPA）遷移至 Next.js 與 Vercel 的架構演進與實作步驟。內容涵蓋從傳統 Client-Side Rendering (CSR) 轉向 Next.js 混合渲染的挑戰，包含路由重構、環境變數轉移、處理瀏覽器端全域變數，以及如何利用 Vercel 的預覽部署與邊緣網路實現無縫過渡。
This article provides a detailed analysis of the complete strategy and technical details for migrating a large open-source React application (typically based on Create React App, or CRA) to the Next.js framework and deploying it on Vercel. As projects grow in scale, traditional single-page applications (SPAs) often hit bottlenecks including oversized JavaScript bundles, slow initial page loads (poor LCP performance), and insufficient SEO friendliness.
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