How to use the webpack.IgnorePlugin function in webpack

},
      minify: true,
      // For unknown URLs, fallback to the index page
      navigateFallback: `${publicUrl}/index.html`,
      // Ignores URLs starting from /__ (useful for Firebase):
      // https://github.com/facebookincubator/create-react-app/issues/2237#issuecomment-302693219
      navigateFallbackWhitelist: [/^(?!\/__).*/],
      // Don't precache sourcemaps (they're large) and build asset manifest:
      staticFileGlobsIgnorePatterns: [/\.map$/, /asset-manifest\.json$/],
    }),
    // Moment.js is an extremely popular library that bundles large locale files
    // by default due to how Webpack interprets its code. This is a practical
    // solution that requires the user to opt into importing specific locales.
    // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
    // You can remove this if you don't use Moment.js:
    new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
  ],
  // Some libraries import Node modules but don't use them in the browser.
  // Tell Webpack to provide empty mocks for them so importing them works.
  node: {
    dgram: 'empty',
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
    child_process: 'empty',
  },
};

]),
		// css files from the extract-text-plugin loader
    // new ExtractTextPlugin('[name]-[chunkhash].css', {allChunks: false}),
    extractSASS,
    new webpack.DefinePlugin({
      __CLIENT__: true,
      __SERVER__: false,
      __DEVELOPMENT__: false,
      __DEVTOOLS__: false,
			'process.env': {
        // Useful to reduce the size of client-side libraries, e.g. react
        NODE_ENV: JSON.stringify('production')
      }
    }),

		new webpack.IgnorePlugin(/\.\/dev/, /\/config$/),

		// optimizations
    new webpack.optimize.DedupePlugin(),
		new webpack.optimize.CommonsChunkPlugin({
			name: 'commons',
			filename: 'commons.js'
		}),
		webpackIsomorphicToolsPlugin
  ],
	progress: true,
	module: {
		loaders: [
      {
        test: /\.scss$/,
        loader: extractSASS.extract('style', ['css', 'resolve-url', 'sass'])
        // loaders: ['style', 'css', 'resolve-url', 'sass'])

new webpack.HotModuleReplacementPlugin(),
    // Watcher doesn't work well if you mistype casing in a path so we use
    // a plugin that prints an error when you attempt to do this.
    // See https://github.com/facebookincubator/create-react-app/issues/240
    new CaseSensitivePathsPlugin(),
    // If you require a missing module and then `npm install` it, you still have
    // to restart the development server for Webpack to discover it. This plugin
    // makes the discovery automatic so you don't have to restart.
    // See https://github.com/facebookincubator/create-react-app/issues/186
    new WatchMissingNodeModulesPlugin(paths.appNodeModules),
    // Moment.js is an extremely popular library that bundles large locale files
    // by default due to how Webpack interprets its code. This is a practical
    // solution that requires the user to opt into importing specific locales.
    // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
    // You can remove this if you don't use Moment.js:
    new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
  ],
  // Some libraries import Node modules but don't use them in the browser.
  // Tell Webpack to provide empty mocks for them so importing them works.
  node: {
    dgram: 'empty',
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
    child_process: 'empty',
  },
  // Turn off performance hints during development because we don't do any
  // splitting or minification in interest of speed. These warnings become
  // cumbersome.
  performance: {
    hints: false,
  },

}),
  //       new UglifyJsPlugin({
		//   cacheFolder: path.resolve(__dirname, 'cache/'),
		//   debug: true,
		//   include: /\.min\.js$/,
		//   minimize: true,
		//   sourceMap: true,
		//   output: {
		//     comments: false
		//   },
		//   compressor: {
		//     warnings: false
		//   }
		// }),
        new JasmineWebpackPlugin(),
        new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
        new webpack.ProvidePlugin({
            $: "jquery",
            jQuery: "jquery",
            jquery: "jquery"
        })
    ]
};

context: __dirname
      }
    }),
    // hot reload
    new webpack.optimize.OccurrenceOrderPlugin(),
    new webpack.DllPlugin({
      name: '[name]',
      path: path.join(assetsPath, '[name]-manifest.json')
    }),
    new webpack.ProvidePlugin({
      React: 'react',
      ReactDOM: 'react-dom'
    }),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NoEmitOnErrorsPlugin(),
    new webpack.IgnorePlugin(/webpack-stats\.json$/),
    new webpack.DefinePlugin({
      __CLIENT__: true,
      __SERVER__: false,
      __DEVELOPMENT__: true,
      __DEVTOOLS__: true // <-------- DISABLE redux-devtools HERE
    }),
    webpackIsomorphicToolsPlugin.development()
  ]
};

// `annotation: true` appends the sourceMappingURL to the end of
            // the css file, helping the browser find the sourcemap
            annotation: true
          }
          : false
      }
    })
  ]
}

const plugins = [
  new webpack.DefinePlugin({
    '__isBrowser__': true // eslint-disable-line
  }),
  new ModuleNotFoundPlugin(paths.appPath),
  new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
  new ManifestPlugin({
    fileName: 'asset-manifest.json',
    publicPath: publicPath
  })
]

if (process.env.npm_config_report === 'true') {
  plugins.push(new BundleAnalyzerPlugin())
}

module.exports = merge(baseConfig, {
  devtool: devtool,
  entry: {
    Page: ['@babel/polyfill', paths.entry]
  },
  resolve: {

new webpack.HotModuleReplacementPlugin(),
    // Watcher doesn't work well if you mistype casing in a path so we use
    // a plugin that prints an error when you attempt to do this.
    // See https://github.com/facebook/create-react-app/issues/240
    new CaseSensitivePathsPlugin(),
    // If you require a missing module and then `npm install` it, you still have
    // to restart the development server for Webpack to discover it. This plugin
    // makes the discovery automatic so you don't have to restart.
    // See https://github.com/facebook/create-react-app/issues/186
    new WatchMissingNodeModulesPlugin(paths.appNodeModules),
    // Moment.js is an extremely popular library that bundles large locale files
    // by default due to how Webpack interprets its code. This is a practical
    // solution that requires the user to opt into importing specific locales.
    // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
    // You can remove this if you don't use Moment.js:
    new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
    // Generate a manifest file which contains a mapping of all asset filenames
    // to their corresponding output file so that tools can pick it up without
    // having to parse `index.html`.
    new ManifestPlugin({
      fileName: 'asset-manifest.json',
      publicPath,
    }),
  ],

  // Some libraries import Node modules but don't use them in the browser.
  // Tell Webpack to provide empty mocks for them so importing them works.
  node: {
    dgram: 'empty',
    fs: 'empty',
    net: 'empty',
    tls: 'empty',

{
					test: /\.svg/,
					use: ['svg-inline-loader']
				}
			]
		},
		resolve: {
			extensions: ['.tsx', '.ts', '.js', '.svg']
		},
		devtool: !env.production ? 'inline-source-map' : undefined,
		output: {
			filename: '[name].js',
			path: path.resolve(__dirname, 'media')
		},
		plugins: [
			new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
			new TSLintPlugin({
				files: ['./src/**/*.ts']
			})
		]
	};

	return webview;
}

{
        test: /\.ts$/,
        loader: 'ts'
      },
      {
        test: /\.html/,
        loader: 'html'
      },
      {
        test: /\.css$/,
        loader: 'css'
      }
    ]
  },
  plugins: [
    new webpack.IgnorePlugin(/^@angular/),
    new webpack.IgnorePlugin(/^rxjs/),
    new webpack.NoErrorsPlugin(),
    new webpack.optimize.DedupePlugin(),
    new webpack.optimize.UglifyJsPlugin()
  ]
};