perf[Chore]: optimization.splitChunks adapt cnpm module name

Author: PanJiaChen

build/index.js

@@ -26,7 +26,7 @@ if (process.env.npm_config_preview || rawArgv.includes('--preview')) {
   app.listen(port, function () {
     console.log(chalk.green(`> Preview at  http://localhost:${port}${publicPath}`))
     if (report) {
-      console.log(chalk.green(`> Report at  http://localhost:${port}${publicPath}/report.html`))
+      console.log(chalk.green(`> Report at  http://localhost:${port}${publicPath}report.html`))
     }
 
   })

vue.config.js

@@ -114,7 +114,7 @@ module.exports = {
                 elementUI: {
                   name: 'chunk-elementUI', // split elementUI into a single package
                   priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
-                  test: /[\\/]node_modules[\\/]element-ui[\\/]/
+                  test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                 },
                 commons: {
                   name: 'chunk-commons',