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Developer tools · #vitejs
A step‑by‑step diagnostic guide for Vite.js HMR failures: symptoms, cause table, ordered checks, fixes, and when to escalate.
Vite eliminates slow dev server starts by leveraging native browser ES Modules. Learn how it separates dependencies from source code to maintain instant boot times.
Learn how to balance HTTP request overhead and bundle size in Vite by tuning the assetsInlineLimit configuration for Base64 asset inlining.
Step‑by‑step guide to diagnose why Vite.js Hot Module Replacement is not updating your browser during development.
Client-side Secret Leakage Prevention Vite utilizes a prefix-based filtering system to ensure that only variables prefixed with VITE_ are exposed to the client-side bundle via import.meta.env . This mechanism is designed to prevent the accidental leakage of sensitive system environment variables from the Node.js process.env global into the browser. Configura
Integration Boundary: Vite Dev Server and Browser Client Vite utilizes a WebSocket connection to facilitate Hot Module Replacement (HMR), allowing the server to push module invalidation events to the browser client based on the internal module graph. When a file is modified, Vite determines the minimum set of affected modules to update via the import.meta.ho
Vite's development server utilizes server.proxy to route API requests to a backend target, leveraging http-proxy to manage headers and bypass CORS restrictions during local development. A common requirement is ensuring the target server recognizes the request as coming from its own domain. While changeOrigin: true modifies the origin of the host header to ma