Retrieve array of Objects in GraphQL without defining array type

Question

I am using GraphQL to return necessary JSON objects.

I have a defined type called Colour in my server and it is used in multiple different queries. There is one instance where instead of just returning one Colour type by a query such as

query Colour($id: Int!) { colour(id: $id) { hue saturation luminosity red green blue } }

I need to return an array of Colour without having to create a new type called Colours on the backend.

I'd need the response to resemble

{ "data": { "colours": [ { "hue": 0, "saturation": 100, "luminosity": 100, "red": 255, "green": 0, "blue": 0 }, { "hue": 0, "saturation": 0, "luminosity": 100, "red": 255, "green": 255, "blue": 255 } ] } }

Is there a way I could run one single query over an array of ids to get an object with this shape?

Ken Chan · Accepted Answer · 2019-12-04 15:31:35Z

You don't need to create another new type called Colours for a list of Colour. Just use [Colour] to represent a list. Also , you have to define another root query field for it :

type Query { colours(ids:[Int]) : [Colour] }

Unfortunately, if you are looking for a way that will return a list of colours with your desired structure by inputting a list of ID without any code changes , I don't think it is possible .

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