fallback require only for MODULE_NOT_FOUND

node API doc: https://nodejs.org/docs/latest-v6.x/api/modules.html#modules_file_modules

Co-Authored-By: Robert Jackson <[email protected]>

Author: xg-wang

src/ember-app.js

@@ -140,7 +140,11 @@ class EmberApp {
           let resolvedModulePath = resolve.sync(moduleName, { basedir: distPath });
           return require(resolvedModulePath);
         } catch (error) {
-          return require(moduleName);
+          if (error.code === 'MODULE_NOT_FOUND') {
+            return require(moduleName);
+          } else {
+            throw error;
+          }
         }
       }