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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Sending GraphQL queries
We can test this query using any HTTP client, such as Postman, Insomnia, or any you are used to. This book covers HTTP clients in the next section of this chapter. If you want to send the following queries on your own, you can read the next section and come back here.
You can test our new function when you send the following JSON as a POST request to http://localhost:8000/graphql:
{ "operationName": null, "query": "{ posts { id text } }", "variables": {} }
The operationName field is not required to run a query, but it is great for logging purposes.
The query object is a JSON-like representation of the query we want to execute. In this example, we run the RootQuery posts and request the id and text fields of every ...
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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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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.