const path = require('path')
const glob = require('glob')
/** 获取多页的入口脚本和模板 */
const getPages = (() => {
 const [
 globPathHtml,
 globPathJs,
 pages,
 tempSet
 ] = [
 ['./src/modules/**/index.html', 'template'], // 入口模板正则
 ['./src/modules/**/main.js', 'entry'], // 入口脚本正则
 Object.create(null),
 new Set()
 ]
 const getMultiPageConf = (globPath, keyName) => {
 let [fileList, tempArr, modName] = [glob.sync(globPath), [], null]
 if (fileList.length !== 0) {
  for (let entry of fileList) {
  tempArr = path.dirname(entry, path.extname(entry)).split('/')
  modName = tempArr[tempArr.length - 1]
  if (tempSet.has(modName)) {
   Object.assign(pages[modName], { [keyName]: entry, 'filename': `${modName}.html` })
  } else {
   Reflect.set(pages, modName, { [keyName]: entry }) && tempSet.add(modName)
  }
  }
  return true
 } else {
  if (keyName === 'template') {
  throw new Error('无法获取多页入口模板')
  } else if (keyName === 'entry') {
  throw new Error('无法获取多页入口脚本')
  } else {
  throw new Error('无法获取多页信息')
  }
 }
 }
 try {
 while (getMultiPageConf(...globPathHtml) && getMultiPageConf(...globPathJs)) return pages
 } catch (err) {
 console.log('获取多页数据错误：', err)
 }
})()
console.log('pages: ', getPages)

pages: { mod1:
 { template: './src/modules/mod1/index.html',
  entry: './src/modules/mod1/main.js',
  filename: 'mod1.html' },
 mod2:
 { template: './src/modules/mod2/index.html',
  entry: './src/modules/mod2/main.js',
  filename: 'mod2.html' },
 mod3:
 { template: './src/modules/mod3/index.html',
  entry: './src/modules/mod3/main.js',
  filename: 'mod3.html' } }

/** vue.config.js */
module.exports = {
 ...
 pages: getPages
 ...
}