Function onHeaders

out/cli.cjs:60698–60761

(status, headersList, resume2, statusText)

              const { connection } = fetchParams.controller;
              if (connection.destroyed) {
                abort(new DOMException3("The operation was aborted.", "AbortError"));
              } else {
                fetchParams.controller.on("terminated", abort);
                this.abort = connection.abort = abort;
              }
            },
            onHeaders(status, headersList, resume2, statusText) {
              if (status < 200) {
                return;
              }
              let codings = [];
              let location = "";
              const headers = new Headers6();
              if (Array.isArray(headersList)) {
                for (let n2 = 0; n2 < headersList.length; n2 += 2) {
                  const key = headersList[n2 + 0].toString("latin1");
                  const val = headersList[n2 + 1].toString("latin1");
                  if (key.toLowerCase() === "content-encoding") {
                    codings = val.toLowerCase().split(",").map((x5) => x5.trim());
                  } else if (key.toLowerCase() === "location") {
                    location = val;
                  }
                  headers[kHeadersList].append(key, val);
                }
              } else {
                const keys = Object.keys(headersList);
                for (const key of keys) {
                  const val = headersList[key];
                  if (key.toLowerCase() === "content-encoding") {
                    codings = val.toLowerCase().split(",").map((x5) => x5.trim()).reverse();
                  } else if (key.toLowerCase() === "location") {
                    location = val;
                  }
                  headers[kHeadersList].append(key, val);
                }
              }
              this.body = new Readable5({ read: resume2 });
              const decoders = [];
              const willFollow = request3.redirect === "follow" && location && redirectStatusSet.has(status);
              if (request3.method !== "HEAD" && request3.method !== "CONNECT" && !nullBodyStatus.includes(status) && !willFollow) {
                for (const coding of codings) {
                  if (coding === "x-gzip" || coding === "gzip") {
                    decoders.push(zlib3.createGunzip({
                      // Be less strict when decoding compressed responses, since sometimes
                      // servers send slightly invalid responses that are still accepted
                      // by common browsers.
                      // Always using Z_SYNC_FLUSH is what cURL does.
                      flush: zlib3.constants.Z_SYNC_FLUSH,
                      finishFlush: zlib3.constants.Z_SYNC_FLUSH
                    }));
                  } else if (coding === "deflate") {
                    decoders.push(zlib3.createInflate());
                  } else if (coding === "br") {
                    decoders.push(zlib3.createBrotliDecompress());
                  } else {
                    decoders.length = 0;
                    break;
                  }