Actualizacion de seguridad

node_modules/node-fetch/lib/index.js

@@ -1365,10 +1365,6 @@ function getNodeRequestOptions(request) {
 		agent = agent(parsedURL);
 	}
 
-	if (!headers.has('Connection') && !agent) {
-		headers.set('Connection', 'close');
-	}
-
 	// HTTP-network fetch step 4.2
 	// chunked encoding is handled by Node.js
 
@@ -1742,8 +1738,11 @@ function fixResponseChunkedTransferBadEnding(request, errorCallback) {
 
 		if (headers['transfer-encoding'] === 'chunked' && !headers['content-length']) {
 			response.once('close', function (hadError) {
+				// tests for socket presence, as in some situations the
+				// the 'socket' event is not triggered for the request
+				// (happens in deno), avoids `TypeError`
 				// if a data listener is still present we didn't end cleanly
-				const hasDataListener = socket.listenerCount('data') > 0;
+				const hasDataListener = socket && socket.listenerCount('data') > 0;
 
 				if (hasDataListener && !hadError) {
 					const err = new Error('Premature close');
@@ -1785,3 +1784,4 @@ exports.Headers = Headers;
 exports.Request = Request;
 exports.Response = Response;
 exports.FetchError = FetchError;
+exports.AbortError = AbortError;