Function runCase

example/tests/gm_xhr_test.js:1140–1174

(details, { abortAfterMs } = {})

      name: "GM_xhr abort timeout onloadend events",
      async run(fetch) {
        const runCase = (details, { abortAfterMs } = {}) => {
          return new Promise((resolve, reject) => {
            const events = [];
            const timeoutMs = Math.max((details.timeout || 0) + (abortAfterMs || 0) + 8000, 12000);
            const timer = setTimeout(() => {
              reject(new Error(`Expected onloadend; events=${events.join(",")}`));
            }, timeoutMs);
            const req = GM_xmlhttpRequest({
              method: details.method || "GET",
              url: details.url,
              timeout: details.timeout,
              fetch,
              onload() {
                events.push("onload");
              },
              onerror() {
                events.push("onerror");
              },
              onabort() {
                events.push("onabort");
              },
              ontimeout() {
                events.push("ontimeout");
              },
              onloadend(response) {
                events.push("onloadend");
                clearTimeout(timer);
                resolve({ events, response });
              },
            });
            if (abortAfterMs != null) {
              setTimeout(() => req.abort(), abortAfterMs);
            }
          });
        };

        const normal = await runCase({
          url: `${HB}/get`,