refactor: replace postNoBody with a more explicit postReturn<null, R>

Author: bevzzz

src/connection/http.ts

@@ -120,10 +120,6 @@ export default class ConnectionREST {
     return this.http.post<B, T>(path, payload, true, '') as Promise<T>;
   };
 
-  postNoBody = <T>(path: string): Promise<T> => {
-    return this.postReturn<null, T>(path, null);
-  };
-
   postEmpty = <B>(path: string, payload: B): Promise<void> => {
     if (this.authEnabled) {
       return this.login().then((token) => this.http.post<B, void>(path, payload, false, token));

src/users/index.ts

@@ -119,14 +119,16 @@ const db = (connection: ConnectionREST): DBUsers => {
       ns.revokeRoles(roleNames, userId, { userType: 'db' }),
 
     create: (userId: string) =>
-      connection.postNoBody<APIKeyResponse>(`/users/db/${userId}`).then((resp) => resp.apikey),
+      connection.postReturn<null, APIKeyResponse>(`/users/db/${userId}`, null).then((resp) => resp.apikey),
     delete: (userId: string) =>
       connection
         .delete(`/users/db/${userId}`, null)
         .then(() => true)
         .catch(() => false),
     rotateKey: (userId: string) =>
-      connection.postNoBody<APIKeyResponse>(`/users/db/${userId}/rotate-key`).then((resp) => resp.apikey),
+      connection
+        .postReturn<null, APIKeyResponse>(`/users/db/${userId}/rotate-key`, null)
+        .then((resp) => resp.apikey),
     activate: (userId: string) =>
       connection
         .postEmpty<null>(`/users/db/${userId}/activate`, null)