vben-admin-thin-next/build/vite/optimizer.ts

import type { GetManualChunk, GetManualChunkApi } from 'rollup';

//
const vendorLibs: { match: string[]; output: string }[] = [
  {
    match: ['xlsx'],
    output: 'xlsx',
  },
];

// @ts-ignore
export const configManualChunk: GetManualChunk = (id: string, api: GetManualChunkApi) => {
  if (/[\\/]node_modules[\\/]/.test(id)) {
    const matchItem = vendorLibs.find((item) => {
      const reg = new RegExp(`[\\/]node_modules[\\/]_?(${item.match.join('|')})(.*)`, 'ig');
      return reg.test(id);
    });
    return matchItem ? matchItem.output : null;
  }
};