Module: GraphQL::InternalRepresentation::Print

Defined in:
lib/graphql/internal_representation/print.rb

Class Method Summary collapse

Class Method Details


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# File 'lib/graphql/internal_representation/print.rb', line 7

def print(schema, query_string)
  query = GraphQL::Query.new(schema, query_string)
  print_node(query.irep_selection)
end

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# File 'lib/graphql/internal_representation/print.rb', line 12

def print_node(node, indent: 0)
  padding = " " * indent
  typed_children_padding = " " * (indent + 2)
  query_str = "".dup

  if !node.definition
    op_node = node.ast_node
    name = op_node.name ? " " + op_node.name : ""
    op_type = op_node.operation_type
    query_str << "#{op_type}#{name}"
  else
    if node.name == node.definition_name
      query_str << "#{padding}#{node.name}"
    else
      query_str << "#{padding}#{node.name}: #{node.definition_name}"
    end

    args = node.ast_nodes.map { |n| n.arguments.map(&:to_query_string).join(",") }.uniq
    query_str << args.map { |a| "(#{a})"}.join("|")
  end

  if node.typed_children.any?
    query_str << " {\n"
    node.typed_children.each do |type, children|
      query_str << "#{typed_children_padding}... on #{type.name} {\n"
      children.each do |name, child|
        query_str << print_node(child, indent: indent + 4)
      end
      query_str << "#{typed_children_padding}}\n"
    end
    query_str << "#{padding}}\n"
  else
    query_str << "\n"
  end

  query_str
end