fullAuthHandler.js

authHandler = async authData {
    if(!store.owner){
    await base.post(`${this.props.storeId}/owner`, data: authData.user.uid)
    }
    const store = await base.fetch(this.props.storeId, {context: this})
    this.setState({
        uid: authData.user.uid,
        owner: store.owner || authData.user.uid
    })
}