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Contents
# frozen_string_literal: true
module GraphQL
module StaticValidation
class FieldsWillMerge
def validate(context)
context.each_irep_node do |node|
if node.ast_nodes.size > 1
defn_names = Set.new(node.ast_nodes.map(&:name))
# Check for more than one GraphQL::Field backing this node:
if defn_names.size > 1
defn_names = defn_names.sort.join(" or ")
msg = "Field '#{node.name}' has a field conflict: #{defn_names}?"
context.errors << GraphQL::StaticValidation::Message.new(msg, nodes: node.ast_nodes.to_a)
end
# Check for incompatible / non-identical arguments on this node:
args = node.ast_nodes.map do |n|
n.arguments.reduce({}) do |memo, a|
arg_value = a.value
memo[a.name] = case arg_value
when GraphQL::Language::Nodes::VariableIdentifier
"$#{arg_value.name}"
when GraphQL::Language::Nodes::Enum
"#{arg_value.name}"
else
GraphQL::Language.serialize(arg_value)
end
memo
end
end
args.uniq!
if args.length > 1
msg = "Field '#{node.name}' has an argument conflict: #{args.map{ |arg| GraphQL::Language.serialize(arg) }.join(" or ")}?"
context.errors << GraphQL::StaticValidation::Message.new(msg, nodes: node.ast_nodes.to_a)
end
end
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems