fix(express-engine): schematics compatible with IIS Node and Azure App service

The problem is that the `interceptor.js` which is used by IIS Node will require the application files rather than executing it. https://github.com/tjanczuk/iisnode/blob/8657944f8803d84514c0c7ddd48c046aa68e6edf/src/scripts/interceptor.js#L210

Thus, the server `run` method will never get invoked.

Closes #1447

Author: alan-agius4

integration/express-engine-ivy-prerender/server.ts

@@ -52,7 +52,8 @@ function run() {
 // The below code is to ensure that the server is run only when not requiring the bundle.
 declare const __non_webpack_require__: NodeRequire;
 const mainModule = __non_webpack_require__.main;
-if (mainModule && mainModule.filename === __filename) {
+const moduleFilename = mainModule && mainModule.filename || '';
+if (moduleFilename === __filename || moduleFilename.includes('iisnode')) {
   run();
 }
 

integration/express-engine-ivy/server.ts

@@ -52,7 +52,8 @@ function run() {
 // The below code is to ensure that the server is run only when not requiring the bundle.
 declare const __non_webpack_require__: NodeRequire;
 const mainModule = __non_webpack_require__.main;
-if (mainModule && mainModule.filename === __filename) {
+const moduleFilename = mainModule && mainModule.filename || '';
+if (moduleFilename === __filename || moduleFilename.includes('iisnode')) {
   run();
 }
 

integration/express-engine-ve/server.ts

@@ -52,7 +52,8 @@ function run() {
 // The below code is to ensure that the server is run only when not requiring the bundle.
 declare const __non_webpack_require__: NodeRequire;
 const mainModule = __non_webpack_require__.main;
-if (mainModule && mainModule.filename === __filename) {
+const moduleFilename = mainModule && mainModule.filename || '';
+if (moduleFilename === __filename || moduleFilename.includes('iisnode')) {
   run();
 }
 

modules/express-engine/schematics/install/files/__serverFileName@stripTsExtension__.ts

@@ -52,7 +52,8 @@ function run() {
 // The below code is to ensure that the server is run only when not requiring the bundle.
 declare const __non_webpack_require__: NodeRequire;
 const mainModule = __non_webpack_require__.main;
-if (mainModule && mainModule.filename === __filename) {
+const moduleFilename = mainModule && mainModule.filename || '';
+if (moduleFilename === __filename || moduleFilename.includes('iisnode')) {
   run();
 }