Function markNavigation

e2e/src/timeline.ts:52–57

(runDir: string, url: string)

/** Record a main-frame navigation (deduped against the previous URL). */
export const markNavigation = (runDir: string, url: string): void => {
  const timeline = read(runDir);
  const nav = timeline.nav ?? [];
  if (nav.at(-1)?.url === url) return;
  write(runDir, { ...timeline, nav: [...nav, { at: Date.now(), url }] });
};

export const readTimeline = (runDir: string): Timeline | null =>
  existsSync(fileFor(runDir)) ? read(runDir) : null;