Merge pull request #2 from iamphi/patch-1

🐛 Handle config without pluginOptions defined

Author: deraw

index.js

@@ -1,7 +1,7 @@
 var proxy = require('http-proxy-middleware');
 
 module.exports = (api, options) => {
-	const opts = options.pluginOptions.proxy;
+	const opts = options.pluginOptions && options.pluginOptions.proxy;
 
 	if (opts && (opts.enabled === undefined || opts.enabled)) {
 		api.configureDevServer((app) => {