export namespace ClientDiagnostics { export async function start() { let serverPolls = 0; const serverHandle = setInterval(async () => { if (++serverPolls === 20) { alert("Your connection to the server has been terminated."); clearInterval(serverHandle); } await fetch("/serverHeartbeat"); serverPolls--; }, 1000 * 15); let executed = false; const handle = async () => { const response = await fetch("/solrHeartbeat"); if (!(await response.json()).running) { !executed && alert("Looks like SOLR is not running on your machine."); executed = true; clearInterval(solrHandle); } }; await handle(); const solrHandle = setInterval(handle, 1000 * 15); } }