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retryWhen completing with inner observable
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const { rxObserver } = require('api/v0.3'); | |
const { timer, NEVER } = require('rxjs'); | |
const { merge, map, tap, take, finalize, retryWhen } = require('rxjs/operators'); | |
const sourceObserver = rxObserver('Source'); | |
const errorsObserver = rxObserver('Errors'); | |
const resultObserver = rxObserver('Result'); | |
timer(10, 10).pipe( | |
map(x => { | |
const time = Date.now(); | |
if (time <= 30) { | |
throw x; | |
} | |
return x; | |
}), | |
tap(sourceObserver), | |
retryWhen(errors$ => | |
errors$.pipe( | |
take(3), | |
// uncomment this to prolong inner observable | |
// merge(NEVER), | |
// visualization | |
tap(errorsObserver), | |
finalize(errorsObserver.complete) | |
) | |
), | |
take(10) | |
) | |
.subscribe(resultObserver); |
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Run at https://observable-playground.github.io/gist/11d9457e53282dbe9eff1d48d58db24d