Breaking down an RxJS observable sequence into various outputs

Can a single observable flux be split into multiple other observables?

For example, I have a form that users can submit. The submit action is captured by an observable, and a validator is triggered upon submission.

submitAction.forEach(validate)

However, I would like to associate actions with either the success or failure outcomes of the validation process.

validationFailure.forEach(outputErrors)
validationSuccess.forEach(goToPage)

I'm unsure about the best approach for handling similar scenarios in reactive programming - it's possible that splitting the observable might not be the most suitable solution.

How would you address a comparable situation?

javascriptrxjsreactive-extensions-js

Answer №1

Do you think it's possible to optimize the validation process by harnessing the power of map, filter, and maybe even share in order to prevent redundant validation executions?

var submitAction = // an Rx.Observable
var validationResult = submitAction.map(validate).share();
var success = validationResult.filter(function (result) { return !!result; });
var failure = validationResult.filter(function (result) { return !result; });

success.subscribe(navigateToPage);
failure.subscribe(displayErrors);

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