trySubscribeSharedOption

Author: Peter Ullrich

package.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.2.5",
+  "version": "0.3.0",
   "name": "dotup-typescript-yeoman-generators",
   "author": {
     "name": "Peter Ullrich",

src/BaseGenerator.ts

@@ -62,8 +62,10 @@ export abstract class BaseGenerator<TStep extends string> extends generator impl
     this.composeWith(require.resolve('generator'), optArgs);
   }
 
-  subscribeSharedOption(questionName: TStep | string): void {
-    this.sharedOptions.subscribe(this, questionName);
+  trySubscribeSharedOption(questionName: TStep | string): void {
+    if (this.sharedOptions !== undefined) {
+      this.sharedOptions.subscribe(this, questionName);
+    }
   }
 
   addSkipEjsReplacement(targetPath: string): void {