Fixed execution of RxJS teardown logic on complete (7.2.3 regression)

src/assets/javascripts/components/toc/index.ts

@@ -30,6 +30,7 @@ import {
   bufferCount,
   distinctUntilChanged,
   distinctUntilKeyChanged,
+  finalize,
   map,
   observeOn,
   scan,
@@ -267,7 +268,8 @@ export function mountTableOfContents(
   const anchors = getElements<HTMLAnchorElement>("[href^=\\#]", el)
   return watchTableOfContents(anchors, options)
     .pipe(
-      tap(internal$),
+      tap(state => internal$.next(state)),
+      finalize(() => internal$.complete()),
       map(state => ({ ref: el, ...state }))
     )
 }