feat: allow string arguments on directives (#496)

* chore: update dependencies

* feat: allow string arguments on directives

resolves #325

scripts/dev.js

@@ -8,7 +8,7 @@ const devServerOptions = {
   inline: true,
   open: true,
   hot: true,
-  overlay: true,
+  overlay: false,
 };
 
 const server = new WebpackDevServer(compiler, devServerOptions);

scripts/webpack.base.conf.js

@@ -16,6 +16,7 @@ module.exports = {
         loader: 'ts-loader',
         exclude: /node_modules/,
         options: {
+          transpileOnly: true,
           compilerOptions: { downlevelIteration: true },
         },
       },