// Internal navigation, in one place. SPA in-place navigation preserves
// in-memory photo and folder caches when transitioning between Web Studio
// (/app) and Library (/library).
//
// `replace` is for the moves that are not steps: a screen sending a visitor back
// where they belong (the library, to a guest) must not leave itself as the page
// the Back button returns to, or the visitor is pushed off it on every press.
export function go(url: string, replace = false): void {
  if (replace) history.replaceState(null, '', url);
  else history.pushState(null, '', url);
  window.dispatchEvent(new PopStateEvent('popstate'));
}