appsync offline support and optimistic UI

[sid88in]

No description provided.

[sid88in]

options: {
  fetchPolicy: 'cache-and-network'
}
optimisticResponse: This allows you to pass a function or an object to a mutation for updating your UI before the server responds with the result. This is needed in offline scenarios (and for slower networks) to ensure that the UI is updated when the device has no connectivity. For example, if you were adding a new object to a list you might use the following:

onAdd: post => props.mutate({
  variables: post,
  optimisticResponse: () => ({ addPost: { __typename: 'Post', ups: 1, downs: 1, content: '', url: '', version: 1, ...post } }),
})

[sid88in]

reference: https://docs.aws.amazon.com/appsync/latest/devguide/building-a-client-app-react.html

[romainquellec]

What is missing for offline support with appsync ?