@daiso-tech/core

A modular, framework-agnostic library providing essential components for modern web applications. Stop reinventing the wheel - focus on building your application while the library handles the core functionalities.

✨ Features

Current Features

• Immutable Collections:

  • IterableCollection - Simplifies work with Iterable
  • ListCollection - Simplifies work with Array
  • AsyncIterableCollection - Simplifies work with AsyncIterable

• Middleware System

  • Agnostic middlewares applicable to any async/sync functions.
    • fallback: Automatic recovery with default values on errors
    • observe: Monitor function execution and performance
    • retry: Smart retries with multiple backoff policies:
      • constantBackoffPolicy
      • exponentialBackoffPolicy
      • linearBackoffPolicy
      • polynomialBackoffPolicy
    • sequentialHedging: Runs fallbacks sequentially if the primary function fails, ensuring graceful failure handling.
    • concurrentHedging: Executes the primary function alongside fallbacks concurrently, returning the first successful result and aborting all remaining operations.
    • timeout: Guaranteed execution time limits

• LazyPromise:

  • Executes only when awaited
  • With middleware support

• Pluggable Components:

  • Cache with adapter support
  • Lock with adapter support
  • EventBus with adapter support
  • Serde (serializer, deserializer) adapters

Planned Features

• Query bus
• Command bus
• Semaphore component
• SharedLock (ReaderWriterLock)
• RateLimiter
• CircuitBreaker
• MessageQueue
• TaskScheduler
• Notification system
• Abstract file system

🚀 Installation

npm install @daiso-tech/core

Inspired By

Built with ideas from:

• Laravel, PHP
• Symfony components, PHP
• Verrou, TypeScript
• Distributed lock, C#
• Bento cache, TypeScript
• Fusion cache, C#
• Polly, C#