GitHub - MianAliKhalid/ultimate-vite-cheatsheet-2025: The most comprehensive Vite guide for 2025 - covering setup, configuration, optimization, deployment & best practices. Perfect for developers building modern web applications with React, Vue, Svelte & more!

if (id.includes('lodash') || id.includes('date-fns')) { ... if (id.includes('@mui') || id.includes('@emotion')) { ... }, // Optimize dependencies optimizeDeps: { include: [ 'react', 'react-dom', 'react-router-dom' ], exclude: [ 'large-unused-library' ] } }) ``` … ## 🔧 Troubleshooting Guide ### Common Issues & Solutions #### 🚨 Build Errors **Issue: "Cannot resolve dependency"** … **Issue: TypeScript errors in build** ``` # Type check without emitting npm run type-check # Skip type checking in build npm run build -- --mode production --skipTypeCheck ``` #### 🚨 Development Issues **Issue: HMR not working** … #### 🚨 Performance Issues **Issue: Slow build times** ``` export default defineConfig({ // Optimize dependencies optimizeDeps: { force: true, include: ['react', 'react-dom'] }, build: { // Parallel processing minify: 'esbuild', // Reduce bundle analysis overhead rollupOptions: { onwarn(warning, warn) { if (warning.code === 'MODULE_LEVEL_DIRECTIVE') return warn(warning) } } } }) ``` … ``` # Analyze bundle npm run build:analyze # Check for duplicate dependencies npx depcheck # Use dynamic imports const HeavyComponent = lazy(() => import('./HeavyComponent')) ```