support for tsx files

webpack/webpack.config.js

@@ -1,9 +1,18 @@
-const { merge } = require('webpack-merge')
-const commonConfig = require('./webpack.common.js')
+const { merge } = require('webpack-merge');
+const commonConfig = require('./webpack.common.js');
 
 module.exports = (envVars) => {
-  const { env } = envVars
-  const envConfig = require(`./webpack.${env}.js`)
-  const config = merge(commonConfig, envConfig)
-  return config
-}
+  const { env } = envVars;
+  const envConfig = require(`./webpack.${env}.js`);
+  const config = merge(commonConfig, envConfig);
+
+  config.module.rules.push({
+    test: /\.tsx?$/,
+    exclude: /node_modules/,
+    use: 'ts-loader',
+  });
+
+  config.resolve.extensions.push('.ts', '.tsx');
+
+  return config;
+};