January 2019
Intermediate to advanced
460 pages
10h 33m
English
Content preview from Hands-On Full-Stack Web Development with GraphQL and React
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Optimistic UI
Apollo provides the great feature of being able to update the UI in an optimistic manner. An optimistic manner means that Apollo adds the new data or post to the storage before the request has finished. The advantage is that the user can see the new result, instead of waiting for the response of the server. This solution makes the application feel faster and more responsive.
This section expects the update function of the Mutation component to already be implemented. Otherwise, this UI feature will not work. We need to add the optimisticResponse property to our mutation, as follows:
optimisticResponse= {{ __typename: "mutation", addPost: { __typename: "Post", text: postContent, id: -1, user: { __typename: "User", username: "Loading...", ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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