JS 0.15.0

Minor Changes

• 2af9baf: Added observability module with comprehensive metrics, logging, and health checks:
  • Metrics: Counter, Gauge, LatencyHistogram with percentiles, QueueMetrics, MetricsRegistry
  • Prometheus: PrometheusExporter with text format output, metricsMiddleware for Express/Fastify
  • Logging: Structured Logger with JSON/text formats, log rotation, correlation ID tracking
  • Health: HealthChecker with liveness/readiness endpoints, component health, Kubernetes-compatible responses

JS 0.14.0

Minor Changes

• 7ca45ec: Add ecosystem integrations and deployment tools

  JavaScript Framework Integrations:

  • Express.js middleware with request-level facade and RESTful router
  • Fastify plugin with decorators and route prefixes
  • NestJS module with forRoot/forRootAsync patterns and decorators
  • Hono middleware for edge environments (Cloudflare Workers, Deno Deploy)

  Deployment Tools:

  • Docker images with multi-stage builds for JS and Rust versions
  • Docker Compose configurations for single node and cluster deployments
  • Kubernetes Helm chart with HPA, PVC, ConfigMap, and ServiceAccount support

  CLI Enhancements:

  • Queue management commands (create, delete, list, info, purge)
  • Message operations (send, receive, peek, ack, reject)
  • Cluster management (status, join, leave)
  • Statistics and health check commands

JS 0.13.0

Minor Changes

• 8e7a8d7: Add Phase 7 advanced queue features
  • Scheduling: Implement CronParser, Scheduler, and ScheduledQueue for delayed messages, cron jobs, TTL, and message expiration
  • Rate Limiting: Implement SlidingWindowCounter, TokenBucket, RateLimiter, and RateLimitedQueue with sliding window algorithm
  • Routing: Implement TopicMatcher, DirectExchange, TopicExchange, FanoutExchange, HeadersExchange, Router, and RoutedQueueManager for topic-based routing with AMQP-style wildcards
  • Pub/Sub: Implement MessageFilter, PubSubBroker, ObservableQueue, and QueueBackedPubSub for publish/subscribe patterns with message filtering

JS 0.12.0

Minor Changes

• ed40d4e: Add Binary Links Notation protocol for efficient link serialization
  • Implement binary encoder/decoder with 20-40% size reduction over text notation
  • Add LEB128 variable-length integer encoding for compact numeric values
  • Support nested links, self-references, and typed values (null, boolean, string, integer)
  • Add protocol negotiation mechanism for client-server capability exchange
  • Include comprehensive benchmark tests comparing binary vs text performance

Patch Changes

• a3b228f: Add comprehensive test infrastructure including Vitest for coverage, test fixtures, helpers, and mock backends

JS 0.8.0

Minor Changes

• 49c0bec: Add LinksQueue and MemoryQueueManager implementations
  • Implement LinksQueue class with FIFO ordering, visibility timeout, at-least-once delivery, acknowledgment/rejection, and dead letter queue support
  • Implement MemoryQueueManager for managing named queues with create/delete/get/list operations
  • Implement DeliveryTracker for in-flight item tracking with visibility timeouts and retry counting
  • Add TypeScript declarations for all new modules
  • Add comprehensive tests (50+ tests for queue implementation)

JS 0.7.0

Minor Changes

• 8442af6: Implement Queue and QueueManager for JavaScript
  • Add MemoryQueue class for FIFO queue with visibility timeout
  • Add MemoryQueueWithStorage wrapper for proper requeue support
  • Add MemoryQueueManager for queue lifecycle management
  • Add DeliveryTracker, DeliveryRecord, and DeliveryState for delivery tracking
  • Support at-least-once delivery guarantee with retry limits
  • Support dead letter queue routing for failed messages
  • Full API parity with Rust implementation

JS 0.6.0

Minor Changes

• 7539cee: Implement link-cli storage backend for persistent storage
  • Add LinkCliBackend class implementing StorageBackend interface
  • Add LinkCliProcess for managing link-cli child processes
  • Support CRUD operations via Links Notation protocol
  • Register link-cli backend in BackendRegistry
  • Full TypeScript type definitions for all new exports
  • Comprehensive unit tests with mocked link-cli

JS 0.11.0

Minor Changes

• dcb7106: Add multi-node clustering support for distributed queue operation
  • Implement ClusterCoordinator for cluster coordination and management
  • Add NodeDiscovery for static and DNS-based node discovery
  • Add PartitionManager with consistent hashing for queue distribution
  • Add GossipProtocol for peer-to-peer membership management
  • Add ClusterError for cluster-specific error handling
  • Support node health checking with configurable timeouts
  • Implement simple leader election based on lexicographic node ID ordering
  • Add partition assignment and rebalancing on topology changes
  • Emit cluster events: node-joined, node-left, node-suspect, leader-changed, rebalance-started, rebalance-completed
  • Add comprehensive unit tests for all cluster components

JS 0.10.0

Minor Changes

• d8b7c82: Add TCP server mode for Links Queue
  • Implement LinksQueueServer with TCP socket support
  • Implement LinksQueueClient for connecting to TCP servers
  • Add CLI command for starting server: links-queue server
  • Support all queue operations over TCP: push, pop, peek, list, delete, getStats
  • Add connection management with idle timeout and max connections
  • Add graceful shutdown with connection draining

JS 0.5.0

Minor Changes

• 20a50af: Integrate links-notation library for parsing and serialization

  • Add links-notation as a production dependency
  • Add LinksNotation class with parse() and stringify() methods
  • Add NotationParser for custom parser configurations
  • Add NotationStreamParser for streaming large inputs
  • Add NotationParseError for detailed parse error information
  • Add protocol message types (RequestType, ResponseStatus, ErrorCode)
  • Add Message and MessageBuilder classes for protocol communication
  • Add helper functions for creating request/response messages
  • Full TypeScript type definitions for all new exports
  • Comprehensive unit tests for parsing, serialization, and messages

• 1f1be69: Add pluggable StorageBackend interface for switching between storage backends via configuration

  • Add StorageBackend interface with lifecycle, CRUD, batch, and metadata operations
  • Add BackendCapabilities and BackendStats types for backend introspection
  • Add MemoryBackendAdapter wrapping MemoryLinkStore with StorageBackend interface
  • Add BackendRegistry for registering and creating backends by configuration
  • Add comprehensive tests for backend registry and adapter