Update types, tests

webpack.config.demo.js

@@ -0,0 +1,51 @@
+const MiniCssExtractPlugin = require("mini-css-extract-plugin");
+const HtmlWebpackPlugin = require('html-webpack-plugin');
+
+module.exports = {
+  mode: "development",
+  devtool: 'cheap-module-source-map',
+  entry: './src/demo/index.js',
+  output: {
+    filename: 'index.js'
+  },
+  optimization: {
+    minimize: false,
+  },
+  devServer: {
+    open: true,
+    hot: true,
+    host: "localhost",
+    port: 9000
+  },
+  module: {
+    rules: [
+      {
+        test: /\.(m|j|t)s$/,
+        exclude: /(node_modules|bower_components)/,
+        use: {
+          loader: 'babel-loader'
+        }
+      },
+      {
+        test: /\.(sa|sc|c)ss$/,
+        use: [
+          MiniCssExtractPlugin.loader,
+          { loader: "css-loader", options: { sourceMap: true } },
+        ],
+      },
+      {
+        test: /\.(png|jpe?g|gif|svg|eot|ttf|woff|woff2)$/,
+        use: ['url-loader'],
+      }
+    ]
+  },
+  plugins: [
+    new MiniCssExtractPlugin({
+      filename: 'css/index.css'
+    }),
+    new HtmlWebpackPlugin(),
+  ],
+  resolve: {
+    extensions: ['.ts', '.js', '.json']
+  }
+};