Function forwardRef

theme.js:4964–4967

(render)

        if (truthUri && truthUri !== currentUri) {
          currentUri = truthUri;
          currentUrl2 = truthUrl;
          setSlot(currentSlot, currentUrl2);
          prevUri = getPrevUri();
          prevUrl = getPrevCoverUrl();
          nextUri = getNextUri();
          nextUrl = getNextCoverUrl();
          setSlot(prevSlot, prevUrl);