home.ts

  updateUser(user) {
    this.apollo.mutate<Response>({
      mutation: updateUser,
      variables: {
        id: user.id,
        newName: user.name
      },
      update: (store, { data: { update }}) => {
        let data = store.readQuery({ query: Users });
        (<any> data).users = update;
        store.writeQuery({ query: Users, data });
      }
    })
  }