Function fetching

deps/undici/undici.js:13610–13677

({
      request,
      processRequestBodyChunkLength,
      processRequestEndOfBody,
      processResponse,
      processResponseEndOfBody,
      processResponseConsumeBody,
      useParallelQueue = false,
      dispatcher = getGlobalDispatcher2(),
      // undici
      requestObject = null
      // Keep alive to prevent AbortController GC, see #4627
    })

    }
    __name(abortFetch, "abortFetch");
    function fetching({
      request,
      processRequestBodyChunkLength,
      processRequestEndOfBody,
      processResponse,
      processResponseEndOfBody,
      processResponseConsumeBody,
      useParallelQueue = false,
      dispatcher = getGlobalDispatcher2(),
      // undici
      requestObject = null
      // Keep alive to prevent AbortController GC, see #4627
    }) {
      assert(dispatcher);
      let taskDestination = null;
      let crossOriginIsolatedCapability = false;
      if (request.client != null) {
        taskDestination = request.client.globalObject;
        crossOriginIsolatedCapability = request.client.crossOriginIsolatedCapability;
      }
      const currentTime = coarsenedSharedCurrentTime(crossOriginIsolatedCapability);
      const timingInfo = createOpaqueTimingInfo({
        startTime: currentTime
      });
      const fetchParams = {
        controller: new Fetch(dispatcher),
        request,
        timingInfo,
        processRequestBodyChunkLength,
        processRequestEndOfBody,
        processResponse,
        processResponseConsumeBody,
        processResponseEndOfBody,
        taskDestination,
        crossOriginIsolatedCapability,
        // Keep requestObject alive to prevent its AbortController from being GC'd
        requestObject
      };
      assert(!request.body || request.body.stream);
      if (request.window === "client") {
        request.window = request.client?.globalObject?.constructor?.name === "Window" ? request.client : "no-window";
      }
      if (request.origin === "client") {
        request.origin = request.client.origin;
      }
      if (request.policyContainer === "client") {
        if (request.client != null) {
          request.policyContainer = clonePolicyContainer(
            request.client.policyContainer
          );
        } else {
          request.policyContainer = makePolicyContainer();
        }
      }
      if (!request.headersList.contains("accept", true)) {
        const value = "*/*";
        request.headersList.append("accept", value, true);
      }