clean-up dist folder before deploying example

Author: tiagoschenkel

webpack.example.config.js

@@ -3,6 +3,7 @@ const path = require("path");
 const HtmlWebpackPlugin = require("html-webpack-plugin");
 const ConcatPlugin = require("webpack-concat-plugin");
 const CopyPlugin = require("copy-webpack-plugin");
+const CleanWebpackPlugin = require("clean-webpack-plugin");
 const OpenBrowserPlugin = require("open-browser-webpack-plugin");
 const SimpleProgressPlugin = require("webpack-simple-progress-plugin");
 
@@ -39,6 +40,8 @@ module.exports = options => {
     },
 
     plugins: [
+      new CleanWebpackPlugin([ "dist" ]),
+
       new HtmlWebpackPlugin({
         template: path.resolve("static/index.html"),
         inject: false