解决webpack多页面内存溢出的方法示例

@IF EXIST "%~dp0\node.exe" (
 "%~dp0\node.exe" --max_old_space_size=4096 "%~dp0\..\@vue\cli-service\bin\vue-cli-service.js" %*
) ELSE (
 @SETLOCAL
 @SET PATHEXT=%PATHEXT:;.JS;=;%
 node --max_old_space_size=4096 "%~dp0\..\@vue\cli-service\bin\vue-cli-service.js" %*
)

node --max_old_space_size=4096 node_modules/@vue/cli-service/bin/vue-cli-service.js serve

const path = require('path');
const fs = require('fs');
const pages = require('../pages.config');

const params = JSON.parse(process.env.npm_config_argv).original;
const buildPath = params[params.length - 1].match(/[a-zA-Z0-9]+/)[0] || '';

let buildConfig = {
 pages: [],
};


if (!/(test|online|serve)/gi.test(buildPath)) {
 const configJsPath = path.resolve(__dirname, `${buildPath}.js`);

 // 如果该路径存在
 if (fs.existsSync(configJsPath)) {
  // eslint-disable-next-line import/no-dynamic-require
  buildConfig = require(configJsPath);
 } else if (pages[buildPath]) {
  buildConfig.pages = buildPath.split(',');
 } else {
  throw new Error('该路径不存在');
 }
} else {
 buildConfig = require('./default');
}
module.exports = buildConfig.pages;

const compiledPages = [];
before(app) {
   app.get('*.html', (req, res, next) => {
    const result = req.url.match(/[^/]+?(?=\.)/);
    const pageName = result && result[0];
    const pagesName = Object.keys(multiPageConfig);

    if (pageName) {
     if (pagesName.includes(pageName)) {
      if (!compiledPages.includes(pageName)) {
       const page = multiPageConfig[pageName];
       fs.writeFileSync(`dev-entries/${pageName}.js`, `import '../${page.tempEntry}'; // eslint-disable-line`);
       compiledPages.push(pageName);
      }
     } else {
      // 没这个入口
      res.writeHead(200, { 'content-type': 'text/html; charset=utf-8' });
      res.end('<p style="font-size: 50px;">不存在的入口</p>');
     }
    }
    next();
   });
  },

{
  pageName: {
    entry: entryPath,
    chunks: [array]
  }
}
const fs = require('fs');
const util = require('util');

const outputFile = util.promisify(fs.writeFile);
async function main() {
 const tasks = [];
 if (!fs.lstatSync('dev-entries').isDirectory()) {
  fs.mkdirSync('dev-entries');
 }
 Object.keys(pages).forEach((key) => {
  const entry = `dev-entries/${key}.js`;
  pages[key].tempEntry = pages[key].entry; // 暂存真正的入口文件地址
  pages[key].entry = entry;
  tasks.push(outputFile(entry, ''));
 });
 await Promise.all(tasks);
}

if (process.env.NODE_ENV === 'development') {
 main();
}

module.exports = pages;

pages: multiPageConfig, // 配置多页应用

const htmlPlugins = [];
Object.keys(multiPageConfig).forEach((key) => {
  htmlPlugins.push(multiPageConfig[key])
})
configureWebpack: {
  plugins: [
   ...htmlPlugins,
  ],
}