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<title>JS Bin</title>
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<script src="https://unpkg.com/@reactivex/rxjs@5.0.3/dist/global/Rx.js"></script>
</body>
</html>
const SUBMIT_FORM = 'SUBMIT_FORM';
const ON_FORM_SUBMIT_SUCCESS = 'ON_FORM_SUBMIT_SUCCESS';
const ON_FORM_SUBMIT_ERROR = 'ON_FORM_SUBMIT_ERROR';
const EMPTY_FORM_STATE = 'EMPTY_FORM_STATE';
Rx.Observable.of({type: SUBMIT_FORM})
.mergeMap(action => mockAjax(action))
.map(response => formSavedAction(response))
// Notice that catch is now returning the value by dropping the brackets.
.catch(err => Rx.Observable.of({ type: ON_FORM_SUBMIT_ERROR }))
// send whatever action has come through, and add the empty state action after it.
.mergeMap(action => Rx.Observable.of(action, { type: EMPTY_FORM_STATE }))
.subscribe(action => console.log(`dispatch: ${JSON.stringify(action)}`))
function formSavedAction(response) {
return {type: ON_FORM_SUBMIT_SUCCESS, payload: response}
}
function mockAjax(action) {
return Rx.Observable.timer(1000).mapTo({})
}
Output
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