vite.config.ts

import { fileURLToPath, URL } from 'node:url'

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

// https://vitejs.dev/config/
export default defineConfig({
  build: {
    lib: {
      entry: resolve(__dirname, 'src/lib/index.ts'),
      name: 'MyLib',
      formats: ['es'],
      fileName: 'index'
    },
    rollupOptions:{
      external:['vue','pinia'],
      output: {
        exports: 'named',
        // Provide global variables to use in the UMD build
        // for externalized deps
        globals: {
          vue: 'Vue',
          pinia: 'pinia',
        },
      },
    }
  },
  plugins: [
    vue(),
    dts({
      entryRoot:'./src/lib',
      copyDtsFiles:true
    })
  ],
  resolve: {
    alias: {
      '@': fileURLToPath(new URL('./src', import.meta.url))
    }
  }
})