[Solved] Reurning an observable in an angular service

st_clair_clarke Asks: Reurning an observable in an angular service
I have the following angular service

    providedIn: 'root',
export class Xoom {
    get ct$(): Observable<IGroupSelectItem[]> {
        const ctBase$: Observable<IGroupSelectItem[]> = this.ctBase$
        const lowerLimb$: Observable<IGroupSelectItem[]> = this.lowerLimb$

        let result: IGroupSelectItem[]
        let result$: Observable<IGroupSelectItem[]>

        forkJoin([ctBase$, lowerLimb$])
                tap(([base, limb]) => {
                    result = [...base, ...limb]
            .subscribe((ct) => {
                result$ = of(flatten(ct))
                console.log({ result })

        return result$  // error - variable assigned but never used


The return statement runs before it is being initialize in the forkJoin subscription.

How can ensure that results$ is initialized before it is returned?


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