rmosolgo/graphql-ruby

Features

• GraphQL API Implementations - Provides a comprehensive implementation of server-side GraphQL interfaces to serve structured data to clients.
• Query Execution Engines - Features a dedicated execution engine that evaluates query strings against a schema using defined resolvers.
• GraphQL Execution Engines - Ships a complete execution engine that parses query strings and evaluates them against a typed schema.
• Query and Load API Serving - Provides a complete system for serving data via queries, mutations, subscriptions, and streaming responses.
• Query Complexity Analysis - Prevents resource exhaustion by restricting the depth of nested selections and the total number of fields requested.
• DataLoader Batching Engines - Provides a DataLoader engine to batch data fetching requests and eliminate N+1 query problems.
• Mutation Definitions - Creates structured operations that modify server-side data and return a payload of fields to the client.
• Field Definitions - Declares available data points by specifying return types, nullability, and naming conventions.
• Type System Mappings - Maps application objects to a formal GraphQL type system to structure how data is requested and returned.
• GraphQL Mutation Implementations - Implements server-side logic for handling GraphQL mutations that modify data.
• GraphQL Mutation Management - Validates user permissions at the mutation level or against loaded objects before modifying data.
• Mutation Authorizations - Validates user roles and permissions at the mutation level or on objects loaded by ID.
• GraphQL Query Performance Optimizations - Optimizes GraphQL query performance through document caching, execution timeouts, and field complexity analysis.
• Progressive Response Streaming - Streams parts of a response incrementally so users see initial results before expensive fields resolve.
• Keyed Batch Loaders - Groups multiple requests for related data by key and dispatches them as a single batched fetch.
• Method-to-Field Resolvers - Maps GraphQL fields to data by invoking methods on objects or executing custom resolver logic.
• Access Control Managers - Hides schema elements from specific users and verifies permissions for retrieving or modifying objects.
• Field-Level Access Controls - Restricts read or write access to specific data fields based on granular user permissions.
• GraphQL Query Complexity Protection - Limits query depth and complexity to prevent resource exhaustion from malicious or inefficient queries.
• GraphQL Security - Provides protective measures including complexity analysis, depth limiting, and object-level authorization to secure the API.
• Data Access Authorizations - Verifies that the current user has permission to access specific retrieved objects during query execution.
• GraphQL Authorization Frameworks - Implements a permission system specifically designed for field-level and scope-based access control within GraphQL schemas.
• Result List Filtering - Applies policy-based scopes to lists to ensure users only see records they are permitted to access.
• Permission-Based List Filtering - Scopes collections of objects to only include items the user is authorized to see.
• Object Action Authorization - Checks if a user is permitted to perform a specific action on an object before proceeding with the operation.
• Permission Systems - Integrates with external permission systems to authorize requests based on user identity.
• Policy-Based Access Control - Enforces security permissions based on defined authorization policies for object roles and field visibility.
• Resolver Authorizations - Checks user permissions via policy roles before executing the logic within a resolver.
• Role-Based Access Control - Implements role-based access control to restrict field and argument access based on security policies.
• Schema Member Authorization - Checks permissions on types and mutations during execution to determine if a user can access specific data.
• Object Access Restrictions - Implements granular security checks to ensure users can only access authorized object types and fields.
• Strongly-Typed Query Validation - Validates incoming queries against the GraphQL specification and the defined type system.
• Object Access Verifications - Checks if a user has permission to access specific application objects during request execution.
• N+1 Query Prevention - Prevents N+1 query patterns by batching requests for nested models and associations.
• Query AST Parsers - Parses GraphQL query strings into abstract syntax trees to validate structure and enforce safety rules.
• Data Loader Batchers - Implements a DataLoader mechanism to batch requests and cache results, eliminating N+1 query patterns.
• Type Definitions - Describes application objects to establish a strongly-typed schema for API data fetching.
• Field Argument Specifications - Specifies types, nullability, and default values for inputs that clients must provide to a field.
• GraphQL Operation Execution - Implements end-to-end processing of GraphQL queries, mutations, and subscriptions.
• GraphQL Schema Definitions - Offers a framework for mapping internal application objects to a formal, strongly-typed GraphQL schema.
• Resolver Implementations - Implements the resolution logic and entry points that determine how clients query and retrieve data from the system.
• Schema Definitions - Describes the application structure through a strongly-typed schema to create a self-documenting API.
• GraphQL Subscriptions - Implements server-side GraphQL subscriptions to deliver real-time data streams to clients.
• Real-Time Data Pushing - Delivers real-time asynchronous data updates to subscribed clients using an external pub/sub provider.
• Resolver Execution Tracing - Integrates with performance tools to trace the full lifecycle of GraphQL resolver executions.
• Permission-Based Filtering - Filters returned object lists based on user context to ensure only authorized records are retrieved.
• Execution Tree Batching - Collects multiple data requirements across the execution tree to fetch them in bulk and eliminate redundant requests.
• Query Result Caching - Stores and retrieves previously computed query results using fingerprints and authorization checks to reduce latency.
• GraphQL Result Caches - Stores field results associated with specific objects to avoid redundant computations.
• Schema Versioning - Rolls out schema changes while maintaining compatibility for existing clients to preserve the user experience.
• Simultaneous Schema Versions - Manages multiple versions of the schema simultaneously to ensure backward compatibility for older clients.
• Temporal Element Versioning - Introduces or removes schema elements based on version dates to ensure a smooth transition for clients.
• API Result Set Limits - Caps the number of items returned in lists to prevent excessive database load.
• Schema Evolution - Tracks evolutionary schema changes through sets of modifications associated with specific version numbers.
• Mutation Execution Restrictions - Prevents a mutation from running by checking user permissions before loading data.
• Fingerprint-Based Caches - Stores computed query results associated with unique data signatures to avoid redundant computations.
• Cursor-Based Pagination - Implements a stable connection pattern for large datasets using pointers to retrieve manageable chunks of records.
• Deferred Query Responses - Supports deferred query responses that pause execution branches to improve perceived loading performance.
• Breadth-First - Processes fields across multiple objects in a single batch to reduce memory usage for large nested lists.
• Incremental List Streaming - Sends list items to the client incrementally as they resolve to enable partial results rendering.
• Execution Time Limits - Caps the cumulative execution time a client can consume to protect resources from expensive queries.
• Cumulative Runtime Limits - Caps the cumulative processing time a client can consume within a window to control server load.
• Query Execution Timeouts - Caps the amount of time a client can spend executing queries to protect server resources.
• Client Runtime Resource Limiting - Caps the number of concurrent operations or total runtime per client to protect server capacity.
• Pub-Sub Systems - Connects GraphQL subscription logic to external pub/sub providers for scalable real-time updates.
• Real-time Data Subscriptions - Manages persistent connections and transport layers to deliver automatic real-time data updates to clients.
• Input Deprecation Markers - Marks input fields as deprecated to notify clients of upcoming changes without breaking integrations.
• Compiled Query Parsing - Processes query strings into a structured format using compiled extensions to increase execution speed.
• API Visibility Controls - Hides specific parts of the API schema based on permissions to prevent unauthorized discovery.
• Scope-Based Visibility Controls - Applies policy-based scoping to lists and connections to ensure users only retrieve authorized records.
• Permission-Based Collection Scoping - Filters collections of objects based on authorized access levels to ensure users see only permitted records.
• Persisted Query Whitelists - Ensures only pre-approved query hashes are executed on the server to prevent arbitrary query execution.
• Request Rate Limiting - Restricts the number of requests a client can make in a timeframe to protect server resources.
• Schema Introspection Restrictions - Restricts visibility of types and fields in the API schema to prevent unauthorized discovery via introspection.
• Subscription Stream Authorization - Restricts access to real-time data streams using token-based authorization to prevent unauthorized listening.
• Query Complexity Protections - Implements complexity limits and timeouts to protect server resources from expensive GraphQL queries.
• Schema - Versions the API schema to remove or redefine fields and types without breaking compatibility for older clients.
• AST Visitor Patterns - Implements the visitor design pattern to programmatically transform or inspect GraphQL abstract syntax trees.
• Fiber-Based Concurrent Execution - Uses non-blocking fibers to execute independent data fetches concurrently and reduce request latency.
• Non-blocking I/O - Runs network or database requests concurrently using non-blocking I/O operations to reduce resolution time.
• Fiber-local State Management - Manages variables and global state isolation for concurrent execution units during data loading.
• Automated Field Resolution - Automatically wraps arrays in connection objects and manages common pagination arguments.
• Batch Field Resolution - Implements batch field resolution to minimize input and output overhead during the execution process.
• GraphQL AST Parsing - Parses GraphQL queries into abstract syntax trees for ahead-of-time structural analysis and transformations.
• GraphQL Document Transformations - Provides tooling to inspect and programmatically transform GraphQL schema definitions and query documents.
• Loaded Object Authorizations - Fetches records by ID and verifies user permissions before injecting them into the resolver logic.
• Parallel Data Loading - Implements parallel data fetching using fibers to reduce total request latency by executing independent data requests concurrently.
• Parallel Task Execution - Runs external service calls and database queries concurrently using asynchronous tasks to prevent sequential queuing.
• Pre-execution Query Analysis - Examines queries before execution to identify potential issues and return errors instead of running the operation.
• Resolved Value Caching - Caches resolved objects within the request lifecycle to avoid redundant database lookups and computations.
• Version-Based Schema Partitioning - Partitions the schema into versions to maintain backward compatibility for older clients.
• Business Logic Encapsulations - Encapsulates data fetching and business logic for fields into dedicated classes to maintain clean schema definitions.
• Concurrent Request Limits - Restricts the number of active requests a client can execute simultaneously to prevent process exhaustion.
• API Performance Monitoring - Tracks request execution and latency via tracing to integrate with application performance monitoring tools.
• Field - Hooks into the start and end of individual field resolutions to monitor performance and runtime behavior.
• Resource Usage Restrictions - Enforces complexity limits and request timeouts to prevent server resource exhaustion from expensive queries.
• API Versioning Strategies - Manages schema updates to roll out new features while preserving backward compatibility for existing clients.
• Response Streaming - Delivers data in chunks using a specific response syntax to improve perceived performance.
• Concurrent Resource Fetching - Triggers multiple independent data requests simultaneously and aggregates the results upon completion.
• Fingerprint Invalidation - Uses unique fingerprints to automatically expire stale data when underlying records or definitions change.
• Object-Based Invalidation - Specifies which objects trigger the invalidation of cached values to ensure related records refresh.
• Dependent Data Fetching - Executes sequential data fetches where subsequent requests rely on previous results without blocking the execution thread.
• Global Object Identifiers - Automatically converts global identifiers into typed objects before they reach the resolver.
• Field Argument Handling - Allows fields to receive input parameters used to filter, search, or modify the resolved result.
• GraphQL Argument Validations - Provides preprocessing functions to modify or validate argument values before resolver execution.
• GraphQL Input Validations - Checks GraphQL fields and arguments against built-in rules for length and format to ensure data integrity.
• Custom Input Validators - Defines specialized validation classes to perform complex checks on input values during query execution.
• GraphQL Schema Management - Provides tools for maintaining and versioning GraphQL schema definitions to ensure backward compatibility.
• Schema Documentation - Adds descriptions and deprecation notices to schema fields to provide built-in documentation for API consumers.
• Persisted Queries - GraphQL-Ruby stores query strings on the server and references them by ID to reduce network overhead.
• Incremental GraphQL Delivery - Implements the GraphQL incremental delivery specification to stream partial results and reduce perceived latency.
• Persisted Queries - Stores GraphQL query strings on the server and executes them via identifiers to reduce bandwidth.
• Progressive Response Streaming - Sends critical data immediately and follows up with secondary fields to enable progressive page loading.
• Relay Specifications - Provides native support for Relay specifications including global object identification and connections.
• Response Caching - Caches full server responses to avoid redundant computation and database lookups for identical operations.
• Authorized - Integrates authorization checks and fingerprints into the caching layer to ensure cached data is served only to authorized users.
• Schema-Integrated Error Types - Defines errors as fields and types within the schema, allowing clients to query them as structured data.
• Database and Backend - Ruby implementation of the GraphQL specification.
• GraphQL - Full-featured implementation of GraphQL for Ruby.
• Ruby GraphQL Tools - Core implementation for building GraphQL APIs in Ruby.

Istoric stele