vite.config.js

import path from "path";
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import Components from 'unplugin-vue-components/vite'
import { ElementPlusResolver } from 'unplugin-vue-components/resolvers'

// https://vitejs.dev/config/
export default defineConfig(({ command, mode }) => {
  const config = {
    css: {
      preprocessorOptions: {
        scss: {
          additionalData: `@use './src/assets/styles' as *;`
        },
      },
    },
    plugins: [
      vue({
        template: {
          compilerOptions: {
            isCustomElement: (tag) => ['bx:grid'].includes(tag),
          }
        }
      }),
      Components({
        // allow auto load markdown components under `./src/components/`
        extensions: ['vue', 'md'],
        // allow auto import and register components used in markdown
        include: [/\.vue$/, /\.vue\?vue/, /\.md$/],
        resolvers: [
          ElementPlusResolver({
            importStyle: 'sass',
          }),
        ],
        dts: 'src/components.d.ts',
      }),

      // https://github.com/antfu/unocss
      // see unocss.config.ts for config
    ],
    resolve: {
      alias: {
        '@': path.resolve(__dirname, './src'),
      }
    },
    build: {
      lib: {
        entry: path.resolve(__dirname, "./src/components/index.js"),
        name: "FlatmapVuer",
        fileName: 'flatmapvuer',
      },
      rollupOptions: {
        external: ["vue", "@abi-software/svg-sprite", "@abi-software/map-utilities"],
        output: {
          globals: {
            vue: "Vue",
            "@abi-software/svg-sprite": "@abi-software/svg-sprite",
            "@abi-software/map-utilities": "@abi-software/map-utilities"
          },
        },
      },
    },
    optimizeDeps: {
      entries: ['./cypress/*']
    }
  };

  if (command === 'serve') {
    config.server = {
      port: 8082,
    };
  }
  return config;
})