vite.config.ts

import { defineConfig } from 'vite';
import vue from '@vitejs/plugin-vue';
import { resolve } from 'path';
import { existsSync, readdirSync, rmSync } from 'fs';
import dts from 'vite-plugin-dts';

clearDir(resolve(__dirname, 'dist'));

// https://vitejs.dev/config/
export default defineConfig({
  build: {
    lib: {
      entry: resolve(__dirname, 'src/index.ts'),
      name: 'Grid',
      fileName: 'grid',
    },
    rollupOptions: {
      external: ['vue'],
      output: {
        globals: {
          vue: 'Vue',
        },
      },
    },
  },
  plugins: [
    vue(),
    dts({
      outDir: 'dist/types',
      rollupTypes: true
    }),
  ],
});

function clearDir(dir: string) {
  if (!existsSync(dir)) {
    return;
  }

  for (const file of readdirSync(dir)) {
    rmSync(resolve(dir, file), { recursive: true, force: true });
  }
}