@daiso-tech/core

@daiso-tech/core is a TypeScript-first backend toolkit designed for building resilient web applications and API servers. It provides a suite of decoupled, high-performance components that work seamlessly across any JavaScript runtime.

Explore the Docs | NPM Package

🚀 Key Features

• Framework Agnostic No Dependency Injection (DI) containers required. Effortlessly integrate with Express, NestJS, AdonisJS, or full-stack frameworks like Next.js, Nuxt, and TanStack Start.
• Runtime Portability Leverages the Adapter Pattern to decouple your logic from the runtime. Switch between Node.js, Cloudflare Workers (Durable Objects), or AWS Lambda without rewriting core logic.
• Test-Driven Excellence Every component includes a built-in "in-memory" adapter. Run unit tests instantly without spinning up databases or external infrastructure.
• Type Safety & DX Deep IntelliSense support and strict type-safety. Designed for auto-imports and modern developer workflows.
• Standard Schema Support Native integration with Standard Schema, allowing you to use Zod, Valibot, or ArkType for unified runtime validation.

🛠 Quick Start

npm install @daiso-tech/core

📦 Core Components

The @daiso-tech/core ecosystem provides a growing collection of officially maintained primitives for building robust systems:

Resilience

| | | | :--- | :--- | | Circuit Breaker | Prevents cascading failures by stopping calls to failing external services. | | Rate Limiter | Controls traffic flow to protect your network interfaces and services. | | Retry | Retry middleware with support for different backoffs with jitter. | | Timeout | Timeout middleware that prevents resource exhaustion by killing long-running tasks. | | Fallback | Fallback middleware that ensures graceful degradation by returning default values. |

Concurrency

| | | | :--- | :--- | | Lock | Ensures mutual exclusion for shared resources across servers or procceses. | | Semaphore | Limits the number of concurrent servers or procceses accessing a specific resource. | | Shared Lock | Reader-writer lock coordinating concurrent reads and exclusive writes. |

Misc

| | | | :--- | :--- | | Cache | High-performance caching with support for multiple store adapters. | | EventBus | Decoupled event-driven communication (In-memory or Distributed via redis). |

Utilities

| | | | :--- | :--- | | Hooks | Agnostic sync/async middleware that integrates with all components. | | Serde | Custom serialization/deserialization logic that integrates with all components. | | Collection | Precision filtering and transformation for Arrays, Iterables, AsyncIterables and ArrayLike objects. | | TimeSpan | A duration class offering seamless time manipulation while integrating with all components. |

🛠 Quick Start

npm install @daiso-tech/core