Method observeTabCompletion

tabby-core/src/services/app.service.ts:410–419

* Returns an observable that fires once * the tab's internal "process" (see [[BaseTabProcess]]) completes

(tab: BaseTabComponent)

     * the tab's internal "process" (see [[BaseTabProcess]]) completes
     */
    observeTabCompletion (tab: BaseTabComponent): Observable<void> {
        if (!this.completionObservers.has(tab)) {
            const observer = new CompletionObserver(tab)
            observer.destroyed$.subscribe(() => {
                this.stopObservingTabCompletion(tab)
            })
            this.completionObservers.set(tab, observer)
        }
        return this.completionObservers.get(tab)!.done$
    }

    stopObservingTabCompletion (tab: BaseTabComponent): void {
        this.completionObservers.delete(tab)