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

// The app is served at /crdc-demo/ on pages.civilytics.org.
// Set base to the subdirectory so asset paths resolve correctly.
export default defineConfig({
  plugins: [react()],
  server: { port: 5173 },
  build: { outDir: 'dist' },
  base: '/crdc-demo/',  // Required for subdirectory deployment on git-pages
  optimizeDeps: {
    // duckdb-wasm ships its own worker + wasm binaries resolved via `?url`
    // imports; esbuild's dev-server pre-bundling can rewrite those import
    // paths and break worker instantiation. Exclude it from pre-bundling.
    exclude: ['@duckdb/duckdb-wasm'],
  },
})