How Do I Specify a Graphql Type That Takes Multiple Types?
I Want to Create a Graphql Type That Can Return Either an Array of Integers or String. I've Already Tried Using Union in the Form Union Customval = [Int] |...
I want to create a graphql type that can return either an Array of Integers or String.
I've already tried using union in the form
union CustomVal = [Int] | String, but this returns an error.
The schema declaration is:
union CustomValues = [Int] | String
type Data {
name: String
slug: String
selected: Boolean
values: CustomValues
}
The error is:
node_modules/graphql/error/syntaxError.js:24
return new _GraphQLError.GraphQLError('Syntax Error: ' + description, undefined, source, [position]);
Syntax Error: Expected Name, found [
GraphQL request (81:23)
80:
81: union CustomValues = [Int] | String
Is this possible to do in graphql? If not, can you please suggest an alternative to do this.
I ask this as the union documentation says that Note that members of a union type need to be concrete object types; you can't create a union type out of interfaces or other unions.
Any solutions would be highly helpful.
1 Answer
Follow this , Graphql does not support scaler union types currently, you can do this
union IntOrString = IntBox | StringBox
type IntBox {
value: Int
}
type StringBox {
value: String
}
or you can have your custom type, see this graphql, union scalar type?
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