Function hashHtml

src/artifacts/live-server.ts:68–70

(html: string)

/** sha1 of the served HTML — the single comparison that correctly dedupes updates,
 *  rollbacks (same source, moved pointer), no-op rewrites, and the error overlay. */
export function hashHtml(html: string): string {
  return createHash('sha1').update(html).digest('hex');
}

/** Pure push decision, extracted for unit testing. */
export function shouldPush(prevHash: string | null, nextHash: string): boolean {