feat: output ssr render function when target is node

Author: yyx990803

src/index.ts

@@ -200,7 +200,7 @@ export default function loader(
     templateImport,
     scriptImport,
     stylesCode,
-    templateImport ? `script.render = render` : ``
+    templateImport ? `script.${isServer ? `ssrRender` : `render`} = render` : ``
   ]
     .filter(Boolean)
     .join('\n')

src/templateLoader.ts

@@ -34,6 +34,7 @@ const TemplateLoader: webpack.loader.Loader = function(source, inMap) {
     source,
     inMap,
     filename: loaderContext.resourcePath,
+    ssr: loaderContext.target === 'node',
     compiler,
     compilerOptions: {
       ...options.compilerOptions,