vite.config.ts


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import react from '@vitejs/plugin-react'
import { defineConfig } from 'vite'

// https://vite.dev/config/
export default defineConfig({
  plugins: [react()],
  build: {
    rolldownOptions: {
      output: {
        codeSplitting: {
          // Do not pull a group's dependencies into that group. React and the
          // router must stay in their own cacheable chunks.
          includeDependenciesRecursively: false,
          groups: [
            {
              name: 'react-vendor',
              test: /node_modules[\\/](react|react-dom|scheduler)[\\/]/,
            },
            {
              name: 'router-vendor',
              test: /node_modules[\\/]react-router(-dom)?[\\/]/,
            },
          ],
        },
      },
    },
  },
})