Todo Creation Effect with Error Handling in TypeScript

const create = (todo: Todo.TodoRequestDto) =>
    Effect.gen(function* () {
        const { insertedId } = yield* Effect.tryPromise({
                try: insertOne(todo as WithoutId<TodoModel>),    
                catch: (e) => new GenericTodoRepoError(e),
        });

        if (insertedId == null) {
            return yield* Effect.fail(
                new GenericTodoRepoError("Failed to insert document"),
            );
        }
        const newTodo = yield* read(insertedId);
        if (newTodo == null) {
            return yield* Effect.fail(
                new GenericTodoRepoError("Failed to read inserted document"),
            );
        }
        return newTodo;
    });

const create = () =>
      Effect.tryPromise({
       try: insertOne(todo as WithoutId<TodoModel>),    
           catch: (e) => new GenericTodoRepoError(e),
        }).pipe(
        Effect.andThen(({ insertedId }) => {
          if (insertedId == null) {
            return Effect.fail(
              new GenericTodoRepoError("Failed to insert document"),
            );
          }
          return read(insertedId);
        }),
        Effect.andThen((newTodo) => {
          if (newTodo == null) {
            return Effect.fail(
              new GenericTodoRepoError("Failed to read inserted document"),
            );
          }
          return Effect.succeed(newTodo);
        }),
      );