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perf: debounce search suggestions input listener #477

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perf: debounce search suggestions input listener #477

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14 changes: 13 additions & 1 deletion js/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,18 @@ let activeCoupon = null;
function formatPrice(price) {
return `₹${price}`;
}

function debounce(func, wait) {
let timeout;
return function executedFunction(...args) {
const later = () => {
clearTimeout(timeout);
func(...args);
};
clearTimeout(timeout);
timeout = setTimeout(later, wait);
};
}

function getCartSubtotal() {
return cart.reduce((sum, ci) => sum + ci.item.price * ci.quantity, 0);
Expand Down Expand Up @@ -1230,7 +1242,7 @@ function setupSearchSuggestions() {
suggestionsContainer.style.display = "block";
}

searchInput.addEventListener("input", showSuggestions);
searchInput.addEventListener("input", debounce(showSuggestions, 300));
searchInput.addEventListener("focus", showSuggestions);
document.addEventListener("click", (e) => {
if (!searchInput.contains(e.target) && !suggestionsContainer.contains(e.target)) {
Expand Down