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Contents
# frozen_string_literal: true
module GraphQL
module Types
module Relay
# This can be used for implementing `Query.nodes(ids: ...)`,
# or use it for inspiration for your own field definition.
#
# @example Adding this field directly
# add_field(GraphQL::Types::Relay::NodesField)
#
# @example Implementing a similar field in your own Query root
#
# field :nodes, [GraphQL::Types::Relay::Node, null: true], null: false,
# description: Fetches a list of objects given a list of IDs." do
# argument :ids, [ID], required: true
# end
#
# def nodes(ids:)
# ids.map do |id|
# context.schema.object_from_id(context, id)
# end
# end
#
NodesField = GraphQL::Schema::Field.new(
name: "nodes",
owner: nil,
type: [GraphQL::Types::Relay::Node, null: true],
null: false,
description: "Fetches a list of objects given a list of IDs.",
relay_nodes_field: true,
) do
argument :ids, "[ID!]!", required: true,
description: "IDs of the objects."
def resolve(obj, args, ctx)
args[:ids].map { |id| ctx.schema.object_from_id(id, ctx) }
end
def resolve_field(obj, args, ctx)
resolve(obj, args, ctx)
end
end
end
end
end
Version data entries
53 entries across 53 versions & 1 rubygems