fix(docs-infra): fix parameters with @Optional() decorator do not match declared, optional type (#35150)

PR Close #35150
2020-02-05 01:34:18 +03:00
parent f3f4195ec9
commit da85e733d7
14 changed files with 22 additions and 22 deletions
--- a/aio/content/guide/hierarchical-dependency-injection.md
+++ b/aio/content/guide/hierarchical-dependency-injection.md
@ -320,7 +320,7 @@ Use `@SkipSelf()` with `@Optional()` to prevent an error if the value is `null`.

 ``` ts
 class Person {
-  constructor(@Optional() @SkipSelf() parent: Person) {}
+  constructor(@Optional() @SkipSelf() parent?: Person) {}
 }
 ```