debian-mirror-gitlab/tooling/graphql/docs/renderer.rb
2022-08-13 15:12:31 +05:30

54 lines
1.5 KiB
Ruby

# frozen_string_literal: true
require_relative 'helper'
module Tooling
module Graphql
module Docs
# Gitlab renderer for graphql-docs.
# Uses HAML templates to parse markdown and generate .md files.
# It uses graphql-docs helpers and schema parser, more information in https://github.com/gjtorikian/graphql-docs.
#
# Arguments:
# schema - the GraphQL schema definition. For GitLab should be: GitlabSchema
# output_dir: The folder where the markdown files will be saved
# template: The path of the haml template to be parsed
class Renderer
include Tooling::Graphql::Docs::Helper
attr_reader :schema
def initialize(schema, output_dir:, template:)
@output_dir = output_dir
@template = template
@layout = Haml::Engine.new(File.read(template))
@parsed_schema = GraphQLDocs::Parser.new(schema, {}).parse
@schema = schema
@seen = Set.new
end
def contents
# Render and remove an extra trailing new line
@contents ||= @layout.render(self).sub!(/\n(?=\Z)/, '')
end
def write
filename = File.join(@output_dir, 'index.md')
FileUtils.mkdir_p(@output_dir)
File.write(filename, contents)
end
private
def seen_type?(name)
@seen.include?(name)
end
def seen_type!(name)
@seen << name
end
end
end
end
end