Vite Build Target Decision Guide: ESM vs. Legacy Compatibility
Decide between Vite's esnext ESM target and legacy fallback bundles. Compare build size, speed, and browser support with a practical configuration and validation checklist.
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viteVite + @vitejs/plugin‑legacy: Balancing Legacy Target and Polyfills for Zero‑Downtime Migration
Vite + @vitejs/plugin‑legacy: Target Decision for Zero‑Downtime Migration Migrating a lightweight application to Vite while preserving uninterrupted service requires careful handling of the legacy bundle. The @vitejs/plugin‑legacy module produces a separate ES5‑compatible script that is loaded via a <script nomodule> tag, allowing modern browsers to co