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http: refactor emit error #28696

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http: refactor emit error #28696

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16 changes: 11 additions & 5 deletions lib/_http_client.js
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Original file line number Diff line number Diff line change
Expand Up @@ -265,7 +265,7 @@ function ClientRequest(input, options, cb) {
return;
called = true;
if (err) {
process.nextTick(() => this.emit('error', err));
process.nextTick(emitError, this, err);
return;
}
this.onSocket(socket);
Expand Down Expand Up @@ -374,7 +374,7 @@ function socketCloseListener() {
// receive a response. The error needs to
// fire on the request.
req.socket._hadError = true;
req.emit('error', connResetException('socket hang up'));
emitError(req, connResetException('socket hang up'));
}
req.emit('close');
}
Expand All @@ -391,6 +391,12 @@ function socketCloseListener() {
}
}

function emitError(req, err) {
if (!req.aborted) {
req.emit('error', err);
}
}

function socketErrorListener(err) {
const socket = this;
const req = socket._httpMessage;
Expand All @@ -400,7 +406,7 @@ function socketErrorListener(err) {
// For Safety. Some additional errors might fire later on
// and we need to make sure we don't double-fire the error event.
req.socket._hadError = true;
req.emit('error', err);
emitError(req, err);
}

// Handle any pending data
Expand Down Expand Up @@ -434,7 +440,7 @@ function socketOnEnd() {
// If we don't have a response then we know that the socket
// ended prematurely and we need to emit an error on the request.
req.socket._hadError = true;
req.emit('error', connResetException('socket hang up'));
emitError(req, connResetException('socket hang up'));
}
if (parser) {
parser.finish();
Expand All @@ -457,7 +463,7 @@ function socketOnData(d) {
freeParser(parser, req, socket);
socket.destroy();
req.socket._hadError = true;
req.emit('error', ret);
emitError(req, ret);
} else if (parser.incoming && parser.incoming.upgrade) {
// Upgrade (if status code 101) or CONNECT
var bytesParsed = ret;
Expand Down