core/apis/ApiRegistry: narrow down types of implementations

2020-03-19 15:12:50 +01:00
parent 0372c64125
commit 4e584c9c71
1 changed files with 1 additions and 1 deletions
@@ -22,7 +22,7 @@ type ApiImpl<T = unknown> = readonly [ApiRef<T>, T];
 class ApiRegistryBuilder {
  private apis: ApiImpl[] = [];

-  add<T>(api: ApiRef<T>, impl: T): T {
+  add<T, I extends T>(api: ApiRef<T>, impl: I): I {
    this.apis.push([api, impl]);
    return impl;
  }