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funcwareFromMiddleware

funcwareFromMiddleware<E>(middleware:MiddlewareFunc<E>):Funcware<(change:E) =>void>

Defined in:ext/funcware/from-middleware.ts:71

Converts a classic middleware function into funcware (middleware for functional composition).

Use cases:

  • Adapting middleware patterns to funcware-based systems
  • Composing event handlers or state machine transitions with middleware logic
Type ParameterDescription
EThe event or change type handled by the middleware
ParameterTypeDescription
middlewareMiddlewareFunc<E>A classic middleware function accepting (event, next)

Funcware<(change:E) =>void>

A funcware function that wraps the next handler with the middleware logic

// Convert classic middleware to funcware
const logger=(ev,next)=>{console.log(ev);next(ev);};
const funcwareLogger=funcwareFromMiddleware(logger);
const handler=(ev)=> console.log('Handled:', ev);
funcwareLogger(handler)('event');// Logs 'event' and 'Handled: event'

This function is useful for integrating traditional middleware patterns into systemsthat use functional composition (funcware), such as state machines, event-driven architectures,or custom handler pipelines. It allows you to reuse existing middleware logic in a more composable way.

exportfunctionfuncwareFromMiddleware<E>(
middleware:MiddlewareFunc<E>
):Funcware<(change:E)=>void>{
return(next)=>(ev)=>{
returnmiddleware(ev,next);
};
}

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