matchina

Lightweight state machines in TypeScript, powered by tagged unions and mapped types.

Features

• State Machines:
  • Strongly-typed machines, states, events and api
  • states may have typed payloads, events may have typed parameters
  • Powerful and flexible transitions configuration with typed parameters and exit states
    • receive event with all parameters
    • transition by name OR use transition functions for full control
  • send and strongly typed event api accept typed event and payload args
• Tagged Unions: powerful, elegant matchbox factories for states, events and effects
• Async: use promise handler and promise machine for bulletproof async
• Extensibility: composable setup, enhancers, hooks, lifecycle
• Extras: effects, subscribe, when, reset
• Integrations: React

Acknowledgements

Greatly inspired by:

• timsy
• safety-match
• XState

License

Published under MIT License.