customize-cra 打包时 去除 map 文件

const {
  override,
  fixBabelImports,
  addLessLoader,
  addWebpackAlias
} = require('customize-cra');
const path = require('path');

function resolve(dir) {
  return path.join(__dirname, '.', dir);
}
module.exports = override(
  // 配置路径别名
  addWebpackAlias({
    components: path.resolve(__dirname, 'src/components'),
    apps: path.resolve(__dirname, 'src/apps'),
    utils: path.resolve(__dirname, 'src/utils'),
    Images: path.resolve(__dirname, 'src/assets/images')
  }),
  fixBabelImports('import', {
    libraryName: 'ant-mobile',
    libraryDirectory: 'es',
    style: true
  }),
  addLessLoader({
    javascriptEnabled: true,
    modifyVars: { '@primary-color': '#1DA57A' }
  }),
  (config)=>{ //暴露webpack的配置
    // 去掉打包生产map 文件
    // config.devtool = config.mode === 'development' ? 'cheap-module-source-map' : false;
    if(process.env.NODE_ENV==="production") config.devtool=false;
     
    return config
  }
);