usePreMiddleware(...middleware: Array<Middleware | Provider>)

Arguments

1. ...middleware: Array<Middleware | Provider>- An indefinite number of middleware arguments, order is guaranteed.

Returns

(Provider[]): An array of middleware Providers.

Example

const actionLogger = action$ => action$
        .do(action => {
            console.log('DISPATCHED ACTION:', action)
        });

//in application bootstrap
bootstrap(App, [
  provideStore({exampleReducer}),
  usePreMiddleware(actionLogger)
]);