chore(build): disable sourceMap in production temporarily

-var path = require('path');
-var pkg = require("../package.json");
+const path = require('path');
+const pkg = require('../package.json');
 
 module.exports = {
-    build: {
-        env: {
-            NODE_ENV: '"production"'
-        },
-        index: path.resolve(__dirname, `../dist/statics/${pkg.name}/${pkg.version}/index.html`),
-        assetsRoot: path.resolve(__dirname, `../dist/statics/${pkg.name}/`),
-        assetsSubDirectory: 'static',
-        assetsPublicPath: '//cdn.yoho.cn/yoho-shop-manage/',
-        productionSourceMap: true,
-        productionGzip: false,
-        productionGzipExtensions: ['js', 'css'],
-        bundleAnalyzerReport: process.env.npm_config_report,
+  build: {
+    env: {
+      NODE_ENV: '"production"',
     },
-    dev: {
-        env: {
-            NODE_ENV: '"dev"'
-        },
-        port: 6008,
-        autoOpenBrowser: true,
-        assetsSubDirectory: 'static-dev',
-        assetsPublicPath: '/',
-        proxyTable: {
-            '/Api': 'http://localhost:6007'
-        },
-        cssSourceMap: false,
-    }
-}
+    index: path.resolve(__dirname, `../dist/statics/${pkg.name}/${pkg.version}/index.html`),
+    assetsRoot: path.resolve(__dirname, `../dist/statics/${pkg.name}/`),
+    assetsSubDirectory: 'static',
+    assetsPublicPath: '//cdn.yoho.cn/yoho-shop-manage/',
+    productionSourceMap: false,
+    productionGzip: false,
+    productionGzipExtensions: ['js', 'css'],
+    bundleAnalyzerReport: process.env.npm_config_report,
+  },
+  dev: {
+    env: {
+      NODE_ENV: '"dev"',
+    },
+    port: 6008,
+    autoOpenBrowser: true,
+    assetsSubDirectory: 'static-dev',
+    assetsPublicPath: '/',
+    proxyTable: {
+      '/Api': 'http://localhost:6007',
+    },
+    cssSourceMap: false,
+  },
+};

 const os = require('os');
-const _  = require('lodash');
+const _ = require('lodash');
 const webpack = require('webpack');
-const path = require('path');
-const merge = require('webpack-merge')
+const merge = require('webpack-merge');
 const UglifyJsparallelPlugin = require('webpack-uglify-parallel');
 const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin');
 const ExtractTextPlugin = require('extract-text-webpack-plugin');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const AddAssetHtmlPlugin = require('add-asset-html-webpack-plugin');
 
-let baseConfig = require('./webpack.base.conf.js');
-let config = require('./config');
-let utils = require('./utils');
-let bundleConfig = require('./dll/bundle-config.json');
+const baseConfig = require('./webpack.base.conf.js');
+const config = require('./config');
+const utils = require('./utils');
+const bundleConfig = require('./dll/bundle-config.json');
 
-
-let assets = _.map(bundleConfig.vendor, (asset, name) => {
-    return {
-        filepath: require.resolve(`./dll/${asset}`),
-        outputPath: utils.assetsPath(name),
-        typeOfAsset: name,
-        publicPath: (process.env.NODE_ENV === 'production'
-            ? config.build.assetsPublicPath
-            : config.dev.assetsPublicPath) + utils.assetsPath(name)
-    }
-})
-let webpackConfig = merge(baseConfig, {
-    module: {
-        rules: utils.styleLoaders({
-            sourceMap: false,
-            extract: true
-        })
-    },
-    devtool: config.build.productionSourceMap ? '#source-map' : false,
-    output: {
-        filename: utils.assetsPath('js/[name].[chunkhash:7].js'),
-        chunkFilename: utils.assetsPath('js/[name].[chunkhash:7].js')
-    },
-    plugins: [
-        new webpack.DefinePlugin({
-            'process.env': config.build.env
-        }),
-        new UglifyJsparallelPlugin({
-            workers: os.cpus().length,
-            mangle: true,
-            compress: {
-                warnings: false
-            },
-            comments: false,
-            sourceMap: true
-        }),
-        new ExtractTextPlugin({
-            filename: utils.assetsPath('css/[name].[contenthash:7].css')
-        }),
-        new OptimizeCSSPlugin({
-            cssProcessorOptions: {
-                safe: true
-            }
-        }),
-        new HtmlWebpackPlugin({
-            filename: config.build.index,
-            template: './index.html',
-            inject: true,
-            minify: {
-                removeComments: true,
-                collapseWhitespace: true,
-                removeAttributeQuotes: true
-            }
-        }),
-        new AddAssetHtmlPlugin(assets),
-        new webpack.DllReferencePlugin({
-            context: __dirname,
-            manifest: require('./dll/manifest.json'),
-        })
-    ]
+const assets = _.map(bundleConfig.vendor, (asset, name) => {
+  return {
+    filepath: require.resolve(`./dll/${asset}`),
+    outputPath: utils.assetsPath(name),
+    typeOfAsset: name,
+    includeSourcemap: false,
+    publicPath:
+      (process.env.NODE_ENV === 'production' ? config.build.assetsPublicPath : config.dev.assetsPublicPath) +
+      utils.assetsPath(name),
+  };
+});
+const webpackConfig = merge(baseConfig, {
+  module: {
+    rules: utils.styleLoaders({
+      sourceMap: false,
+      extract: true,
+    }),
+  },
+  devtool: config.build.productionSourceMap ? '#source-map' : false,
+  output: {
+    filename: utils.assetsPath('js/[name].[chunkhash:7].js'),
+    chunkFilename: utils.assetsPath('js/[name].[chunkhash:7].js'),
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env': config.build.env,
+    }),
+    new UglifyJsparallelPlugin({
+      workers: os.cpus().length,
+      mangle: true,
+      compress: {
+        warnings: false,
+      },
+      comments: false,
+      sourceMap: true,
+    }),
+    new ExtractTextPlugin({
+      filename: utils.assetsPath('css/[name].[contenthash:7].css'),
+    }),
+    new OptimizeCSSPlugin({
+      cssProcessorOptions: {
+        safe: true,
+      },
+    }),
+    new HtmlWebpackPlugin({
+      filename: config.build.index,
+      template: './index.html',
+      inject: true,
+      minify: {
+        removeComments: true,
+        collapseWhitespace: true,
+        removeAttributeQuotes: true,
+      },
+    }),
+    new AddAssetHtmlPlugin(assets),
+    new webpack.DllReferencePlugin({
+      context: __dirname,
+      manifest: require('./dll/manifest.json'),
+    }),
+  ],
 });
 
 if (config.build.bundleAnalyzerReport) {
-    let BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
-    webpackConfig.plugins.push(new BundleAnalyzerPlugin())
+  const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
+  webpackConfig.plugins.push(new BundleAnalyzerPlugin());
 }
 
-
-
 module.exports = webpackConfig;