Function liveReloadClientScript

src/artifacts/live-reload.ts:26–35

(channelPath: string = LIVE_CHANNEL_PATH)

 * instead of throwing.
 */
export function liveReloadClientScript(channelPath: string = LIVE_CHANNEL_PATH): string {
  const ch = JSON.stringify(channelPath);
  return (
    `<script>(function(){try{` +
    `var es=new EventSource(${ch});` +
    `es.addEventListener('reload',function(){location.reload();});` +
    `es.onerror=function(){/* EventSource auto-reconnects via the server's retry hint */};` +
    `}catch(e){/* no EventSource → static page, no live reload */}})();</script>`
  );
}

/**
 * Inject the live-reload client into a built preview page. Insert just before `</body>`