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fix: properly handle source errors without stopping the stream

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This commit is contained in:
waterplea
2022-06-29 11:51:28 +03:00
committed by Matt Hill
parent 9a28793f27
commit d24bd1c513
1 changed files with 16 additions and 15 deletions
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19
client/lib/patch-db.ts
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@@ -1,5 +1,5 @@
import { merge, Observable, ReplaySubject, Subject } from 'rxjs'
import { switchMap } from 'rxjs/operators'
import { EMPTY, merge, Observable, ReplaySubject, Subject } from 'rxjs'
import { catchError, switchMap } from 'rxjs/operators'
import { Store } from './store'
import { DBCache, Http } from './types'
import { RPCError } from './source/ws-source'
@@ -12,19 +12,20 @@ export class PatchDB<T> {
public cache$ = new ReplaySubject<DBCache<T>>(1)
private sub = this.sources$.pipe(
switchMap(sources => merge(...sources.map(s => s.watch$(this.store)))),
).subscribe({
next: (res) => {
switchMap(sources => merge(...sources.map(s => s.watch$(this.store))).pipe(
catchError(e => {
this.connectionError$.next(e)
return EMPTY
}),
)),
).subscribe((res) => {
if ('result' in res) {
this.store.update(res.result)
this.cache$.next(this.store.cache)
} else {
this.rpcError$.next(res)
}
},
error: (e) => {
this.connectionError$.next(e)
},
})
constructor (