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Craft GraphQL APIs in Elixir with Absinthe
book

Craft GraphQL APIs in Elixir with Absinthe

by Bruce Williams, Ben Wilson
March 2018
Intermediate to advanced
304 pages
6h 59m
English
Pragmatic Bookshelf
Content preview from Craft GraphQL APIs in Elixir with Absinthe

Using Named Fragments

In the last section, you were introduced to fragments, using the inline variety to associate parts of GraphQL documents with specific types. Named fragments are just like inline fragments, but they’re reusable.

Let’s give that search query another look, this time breaking out the fields for menu items and categories:

 query​ Search($term: String!) {
  search(matching: $term) {
  ... MenuItemFields
  ... CategoryFields
  }
 }
 
 fragment​ MenuItemFields ​on​ MenuItem {
  name
 }
 
 fragment​ CategoryFields ​on​ Category {
  name
  items {
  ... MenuItemFields
  }
 }

Just as before, the ... fragment spread is used to insert an instance of a fragment. This time, however, we’re referencing a named fragment that’s defined ...

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Publisher Resources

ISBN: 9781680505924Errata Page