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fix(core): factory react observable

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This commit is contained in:
Josep M Sobrepere 2020-10-10 01:54:39 +02:00
parent 3c9a120f1f
commit 35527edbc1
1 changed files with 19 additions and 12 deletions
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31
packages/core/src/bind/connectFactoryObservable.ts
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@ -1,4 +1,4 @@
import { Observable, defer } from "rxjs"
import { Observable } from "rxjs"
import shareLatest from "../internal/share-latest"
import reactEnhancer from "../internal/react-enhancer"
import { BehaviorObservable } from "../internal/BehaviorObservable"
@ -30,11 +30,14 @@ export default function connectFactoryObservable<A extends [], O>(
(...args: A) => Exclude<O, typeof SUSPENSE>,
(...args: A) => Observable<O>,
] {
const cache = new NestedMap<A, [Observable<O>, BehaviorObservable<O>]>()
const cache = new NestedMap<
A,
[BehaviorObservable<O>, BehaviorObservable<O>]
>()
const getSharedObservables$ = (
input: A,
): [Observable<O>, BehaviorObservable<O>] => {
): [BehaviorObservable<O>, BehaviorObservable<O>] => {
for (let i = input.length - 1; input[i] === undefined && i > -1; i--) {
input.splice(-1)
}
@ -53,17 +56,21 @@ export default function connectFactoryObservable<A extends [], O>(
},
)
const reactObservable$ = reactEnhancer(sharedObservable$)
const publicShared$: Observable<O> = defer(() => {
const publicShared$ = new Observable<O>((subscriber) => {
const inCache = cache.get(keys)
if (inCache) {
return inCache[0] === publicShared$ ? sharedObservable$ : inCache[0]
}
return getSharedObservables$(input)[0]
})
const source$ = inCache
? inCache[0] === publicShared$
? sharedObservable$
: inCache[0]
: getSharedObservables$(input)[0]
const result: [Observable<O>, BehaviorObservable<O>] = [
publicShared$.getValue = source$.getValue
return source$.subscribe(subscriber)
}) as BehaviorObservable<O>
const reactObservable$ = reactEnhancer(publicShared$)
const result: [BehaviorObservable<O>, BehaviorObservable<O>] = [
publicShared$,
reactObservable$,
]