"use strict"; function handleRequest(request, response) { Cu.importGlobalProperties(["URLSearchParams"]); let qs = new URLSearchParams(request.queryString); let href = qs.get("href"); let crossOrigin = qs.get("crossOrigin"); // write to raw socket response.seizePower(); response.write("HTTP/1.1 103 Early Hint\r\n"); response.write( `Link: <${href}>; rel=preconnect; crossOrigin=${crossOrigin}\r\n` ); response.write("\r\n"); let body = `

Test rel=preconnect

`; response.write("HTTP/1.1 200 OK\r\n"); response.write("Content-Type: text/html;charset=utf-8\r\n"); response.write("Cache-Control: no-cache\r\n"); response.write(`Content-Length: ${body.length}\r\n`); response.write("\r\n"); response.write(body); response.finish(); }