umami/src/lib/url.ts

export function getQueryString(params: object = {}): string {
  const searchParams = new URLSearchParams();

  Object.entries(params).forEach(([key, value]) => {
    if (value !== undefined) {
      searchParams.append(key, value);
    }
  });

  return searchParams.toString();
}

export function buildUrl(url: string, params: object = {}): string {
  const queryString = getQueryString(params);
  return `${url}${queryString && '?' + queryString}`;
}

export function safeDecodeURI(s: string | undefined | null): string | undefined | null {
  if (s === undefined || s === null) {
    return s;
  }

  try {
    return decodeURI(s);
  } catch {
    return s;
  }
}

export function safeDecodeURIComponent(s: string | undefined | null): string | undefined | null {
  if (s === undefined || s === null) {
    return s;
  }

  try {
    return decodeURIComponent(s);
  } catch {
    return s;
  }
}

export function isValidUrl(url: string) {
  try {
    new URL(url);
    return true;
  } catch {
    return false;
  }
}