tldraw/apps/new-tab-extension/vite.config.ts

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

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [
    react({
      babel: {
        parserOpts: {
          plugins: [['decorators', { decoratorsBeforeExport: true }]],
        },
      },
    }),
  ],
})