Code Using GraphQL

gem install graphql

require 'graphql'
 
class QueryType < GraphQL::Schema::Object
  field :hello, String
 
  def hello
    "Hello world!"
  end
end
 
class Schema < GraphQL::Schema
  query QueryType
end
 
puts Schema.execute('{ hello }').to_json

require 'agoo'
 
class Query
  def hello
    'hello'
  end
end
 
class Schema
  attr_reader :query
 
  def initialize
    @query = Query.new()
  end
end
 
Agoo::Server.init(6464, 'root', thread_count: 1, graphql: '/graphql')
Agoo::Server.start()
Agoo::GraphQL.schema(Schema.new) {
  Agoo::GraphQL.load(%^type Query { hello: String }^)
}
sleep
 
# To run this GraphQL example type the following then go to a browser and enter
# a URL of localhost:6464/graphql?query={hello}
#
# ruby hello.rb

require 'rails-graphql'
 
class GraphQL::AppSchema < GraphQL::Schema
  query_fields do
    field(:hello).resolve { 'Hello World!' }
  end
end
 
puts GraphQL::AppSchema.execute('{ hello }')