Function updateQueryParams

website/src/scripts/utils.ts:276–318

(
  updates: Record<string, QueryParamValue>
)

 * Update query parameters while preserving the current hash.
 */
export function updateQueryParams(
  updates: Record<string, QueryParamValue>
): void {
  if (typeof window === "undefined") return;

  const url = new URL(window.location.href);

  for (const [key, value] of Object.entries(updates)) {
    url.searchParams.delete(key);

    if (Array.isArray(value)) {
      for (const item of value) {
        const normalized = item.trim();
        if (normalized) {
          url.searchParams.append(key, normalized);
        }
      }
      continue;
    }

    if (typeof value === "boolean") {
      if (value) {
        url.searchParams.set(key, "1");
      }
      continue;
    }

    if (typeof value === "string") {
      const normalized = value.trim();
      if (normalized) {
        url.searchParams.set(key, normalized);
      }
    }
  }

  const search = url.searchParams.toString();
  const nextUrl = `${url.pathname}${search ? `?${search}` : ""}${url.hash}`;
  const currentUrl = `${window.location.pathname}${window.location.search}${window.location.hash}`;

  if (nextUrl !== currentUrl) {
    history.replaceState(null, "", nextUrl);
  }
}

/**
 * Show a toast notification