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fix(zone.js): zone.js patches rxjs should check null for unsubscribe (#35990)

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Close #31687, #31684

Zone.js patches rxjs internal `_subscribe` and `_unsubscribe` methods, but zone.js doesn't do null check, so in some operator such as `retryWhen`, the `_unsubscribe` will be set to null, and will cause
zone patched version throw error.

In this PR, if `_subscribe` and `_unsubscribe` is null, will not do the patch.

PR Close #35990
This commit is contained in:
JiaLiPassion
2020-03-10 21:35:58 +09:00
committed by Andrew Kushnir
parent 54634628ac
commit 3fa895298d
3 changed files with 87 additions and 21 deletions
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1
packages/zone.js/test/rxjs/rxjs.spec.ts
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@ -50,5 +50,6 @@ import './rxjs.Observable.map.spec';
import './rxjs.Observable.race.spec';
import './rxjs.Observable.sample.spec';
import './rxjs.Observable.take.spec';
import './rxjs.Observable.retry.spec';
import './rxjs.Observable.timeout.spec';
import './rxjs.Observable.window.spec';