Robert Mosolgo rmosolgo

rmosolgo / custom_client_mutation_id.rb

Last active February 7, 2024 17:01

Custom clientMutationId directives in GraphQL-Ruby

	require "bundler/inline"

	gemfile do
	gem "graphql", "2.2.6"
	end

	class MySchema < GraphQL::Schema
	class Undocumented < GraphQL::Schema::Directive
	locations(FIELD_DEFINITION, INPUT_FIELD_DEFINITION)
	description "This should be removed our generated docs"

rmosolgo / validate_schema_example.rb

Created January 31, 2024 18:43

Validate using one GraphQL schema, but execute using another schema

	require "bundler/inline"

	gemfile do
	gem "graphql", "2.2.6"
	end

	class NewSchema < GraphQL::Schema
	class Query < GraphQL::Schema::Object
	field :old_field, Integer
	def old_field = 1

rmosolgo / deprecation_warnings.rb

Created January 11, 2024 14:57

GraphQL-Ruby 1.12 field deprecation warnings example

	require "bundler/inline"

	gemfile do
	gem "graphql", "1.12.24"
	end

	# Newer graphql-ruby versions have `context.repsonse_extensions` which automatically
	# adds data to the result["extensions"] field. But for 1.12, you have to add it manually.
	# @see https://graphql-ruby.org/queries/response_extensions.html
	class MySchema < GraphQL::Schema

rmosolgo / parallel_graphql.rb

Last active December 6, 2023 14:43

Parallel Dataloader Execution in GraphQL-Ruby

	require "bundler/inline"

	gemfile do
	gem "graphql"
	gem "concurrent-ruby"
	end

	class MySchema < GraphQL::Schema
	# This source assumes that each record requires an expensive database query of its own.
	# If that's not the case, then remove `def initialize` below

rmosolgo / defer_example.rb

Created December 4, 2023 15:47

@defer inside fragments

	require "bundler/inline"

	gemfile do
	gem "graphql", "1.12.24"
	gem "graphql-pro", "1.24.15"
	end

	class Schema < GraphQL::Schema
	class Thing < GraphQL::Schema::Object
	field :name, String, null: false

rmosolgo / defer_example.rb

Last active November 20, 2023 17:20

Using GraphQL-Ruby 1.12 with @defer and { backtrace: true }

	require "bundler/inline"

	gemfile do
	gem "graphql", "1.12.18"
	gem "graphql-pro", "1.24.13"
	gem "graphql-batch"
	end

	# Monkey-patch this to avoid deleting keys from multiplex.context
	# in the ensure block below.

rmosolgo / single_selection.rb

Created November 14, 2023 15:02

Only allow one root selection with GraphQL-Ruby

	require "bundler/inline"

	gemfile do
	gem "graphql", "2.1.6"
	end

	class MySchema < GraphQL::Schema
	class Query < GraphQL::Schema::Object
	field :f1, Int
	field :f2, Int

rmosolgo / multi_tenant_dataloader.rb

Created October 19, 2023 18:15

Multi-tenant querying with GraphQL::Dataloader

	require "bundler/inline"

	gemfile do
	gem "graphql"
	end

	# Here's a pretend DB with three tenants:
	DATA = {
	"food_lion" => [
	{ id: 1, name: "Mayo" },

rmosolgo / custom_connection_type.rb

Created October 19, 2023 17:43

Custom connection-like pagination system in GraphQL-Ruby

	require "bundler/inline"

	gemfile do
	gem "graphql"
	end


	class Schema < GraphQL::Schema
	# In your base field class, create a new field extension
	# and configure your fields to use that one instead of GraphQL-Ruby's default.

rmosolgo / dataloader_example.rb

Last active August 1, 2023 18:13

Parallel I/O with GraphQL::Dataloader

	require "bundler/inline"

	gemfile do
	gem "graphql"
	gem "libev_scheduler"
	end

	class MySchema < GraphQL::Schema
	class FetchThings < GraphQL::Dataloader::Source
	def initialize(starting_at:)