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

export default defineConfig({
  plugins: [vue()],
  resolve: {
    alias: {
      '@': path.resolve(__dirname, 'src'),
    },
  },
  server: {
    port: 5001,
  },
  build: {
    target: 'es2015',
    cssTarget: 'chrome61',
    rollupOptions: {
      output: {
        manualChunks(id) {
          if (id.includes('node_modules/element-plus')) return 'el'
          if (id.includes('node_modules/echarts'))     return 'echarts'
          if (id.includes('node_modules/vue') || id.includes('node_modules/vue-router') || id.includes('node_modules/pinia')) return 'vue-vendor'
        },
      },
    },
  },
})