add test components

webpack.common.config.js

@@ -0,0 +1,24 @@
+module.exports = {
+  entry: "./src/index.tsx",
+  output: {
+    filename: "bundle.js",
+    path: __dirname + "/dist"
+  },
+
+  devtool: "source-map",
+
+  resolve: {
+    extensions: [".ts", ".tsx", ".js", ".json"]
+  },
+
+  module: {
+    rules: [
+      { test: /\.tsx?$/, loader: "ts-loader" },
+
+      { enforce: "pre", test: /\.js$/, loader: "source-map-loader" }
+    ]
+  },
+
+  plugins: [
+  ],
+};