function highlightCard()

in src/maps_planner/index.ts [827:855]

• 25 lines of code
• 8 McCabe index (conditional complexity)

function highlightCard(index: number) {
  activeCardIndex = index;
  const cards = cardContainer?.querySelectorAll('.location-card');
  if (!cards) return;

  cards.forEach((card) => card.classList.remove('card-active'));
  if (cards[index]) {
    cards[index].classList.add('card-active');
    const cardWidth = cards[index].offsetWidth;
    const containerWidth = cardContainer.offsetWidth;
    const scrollPosition =
      cards[index].offsetLeft - containerWidth / 2 + cardWidth / 2;
    cardContainer.scrollTo({left: scrollPosition, behavior: 'smooth'});
  }

  const dots = carouselIndicators?.querySelectorAll('.carousel-dot');
  if (dots) {
    dots.forEach((dot, i) => dot.classList.toggle('active', i === index));
  }

  popUps.forEach((popup, i) => {
    popup.popup.setMap(isPlannerMode ? (i === index ? map : null) : map);
    if (popup.content) {
      popup.content.classList.toggle('popup-active', i === index);
    }
  });

  if (isPlannerMode) highlightTimelineItem(index);
}