zoro-cli/lib/plugins/config-webpack/template/script/config/prod.js

https://github.com/vuejs/vue-cli

module.exports = ({ api, options, envUtil, args }) => {
  api.chainWebpack(webpackConfig => {
    const isProd = envUtil.isProduction()

    if (isProd) {
      webpackConfig.mode('production')

      if (options.productionSourceMap) {
        webpackConfig.devtool('source-map')
      }

      // FIXME:
      // webpackConfig
      //   .output.filename('js/[name].[chunkhash:8].js')
      //   .chunkFilename('js/[name].[chunkhash:8].js');

      // keep module.id stable when vendor modules does not change
      webpackConfig
        .plugin('hash-module-ids')
        .use(require('webpack/lib/HashedModuleIdsPlugin'))

      // minify JS
      const TerserPlugin = require('terser-webpack-plugin')
      const terserOptions = require('./terserOptions')
      webpackConfig.optimization.minimizer([
        new TerserPlugin(terserOptions(options)),
      ])

      if (args.nominimize) {
        webpackConfig.optimization.minimize(false)
      }
    }
  })
}