No, the spec does not allow input types to implement interfaces. And GraphQL type system in general does not define any form of inheritance (the extends keyword adds fields to an existing type, and isn’t for inheritance). The spec is intentionally constrained to stay simple. This means that you’re stuck repeating fields across input types. … Read more
It looks like there is now https://www.npmjs.com/package/graphql-docs Dynamically generated documentation explorer for GraphQL schemas. It aims to provide a better overview of a schema than GraphiQL, but without querying features. You can also generate a static documentation file based on a schema file or GraphQL endpoint: npm install -g graphql-docs graphql-docs-gen http://GRAPHQL_ENDPOINT documentation.html
This error occurs mostly when there are unclosed curly braces or when some fields are not properly defined while calling the query.
In the context of that example, login should be a Query instead of a Mutation assuming its resolver has no side-effects, at least according to the spec. However, there’s a couple of reasons you probably won’t see that done in the wild: If you’re implementing authentication, you’ll probably want to log your users’ account activity, … Read more
If you’re using GraphQL.js version 0.7.0 or above, you can simply add a comment directly before the field, type, or argument you want to describe. For example: # A type that describes the user type User { # The user’s username, should be typed in the login field. username: String! # The user’s password. password: … Read more
You would define a new GraphQL type that is an object that contains a list and a number. The number would be defined by a resolver function. On your GraphQL server you can define the resolver function and as part of that, you would have to write the code that performs whatever calculations and queries … Read more
According to this Github issue you cannot return nothing. You can define a return type which is nullable e.g. type Mutation { addElement(element: ElementData): ID removeElement(id: ID): Boolean } But I suggest you return the id of the deleted element, because if you want to work with a cached store you have to update the … Read more
There’s a better way to do it using the REST client Insomnia Docs are here, how to send graphql queries: https://support.insomnia.rest/article/61-graphql Below are the steps for postman Step 1. Run the GraphiQL in Chrome, open the Chrome Dev Console, click the Network tab, and make the query from graphiql, when you make the query, network … Read more
The serialize method would be called when the value of the type is going to be sent to the client as a response. Since the values on the output is in the form of JSON, the return value of serialize could be anything. Could be string, number, array, object … The other two methods (parseValue … Read more