vite.config.ts

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

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [
    dts({
      insertTypesEntry: true
    }),
    react()
  ],
  build: {
    lib: {
      entry: resolve(__dirname, 'src/lib/index.tsx'),
      name: 'FabricJS React',
      fileName: (format) => `fabricjs-react.${format}.js`
    },
    rollupOptions: {
      external: ['react', 'react-dom', 'fabric'],
      output: {
        // Provide global variables to use in the UMD build
        // for externalized deps
        globals: {
          react: 'React'
        }
      }
    }
  }
})