vite.config.ts

import { readFileSync } from 'fs'
import { fileURLToPath } from 'url'
import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import svgr from 'vite-plugin-svgr'

const pkg = JSON.parse(readFileSync('./package.json', 'utf-8'))

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [
    svgr(),
    react(),
  ],
  resolve: {
    alias: {
      '@': fileURLToPath(new URL('./src', import.meta.url)),
    },
  },
  define: {
    __APP_VERSION__: JSON.stringify(pkg.version),
  },
  base: '/',
  build: {
    // Largest chunk is pdfExport (~1651 kB due to jsPDF + base64 fonts).
    // These are already code-split via dynamic import; suppress the warning.
    chunkSizeWarningLimit: 1700,
    target: 'es2022',
    outDir: 'dist',
    sourcemap: true,
    rollupOptions: {
      output: {
        manualChunks: {
          'react-vendor': ['react', 'react-dom'],
          'date-vendor': ['date-fns', 'date-holidays'],
          'pdf-export': ['jspdf', 'svg2pdf.js'],
        },
      },
    },
  },
})