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Fix: Location header set to empty string if undefined #60555

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Fix: Location header set to empty string if undefined #60555

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8 changes: 8 additions & 0 deletions lib/_http_outgoing.js
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Original file line number Diff line number Diff line change
Expand Up @@ -637,13 +637,20 @@ function parseUniqueHeadersOption(headers) {
return unique;
}


OutgoingMessage.prototype.setHeader = function setHeader(name, value) {
if (this._header) {
throw new ERR_HTTP_HEADERS_SENT('set');
}

validateHeaderName(name);
validateHeaderValue(name, value);

// ✅ Fix for Location header
if (name.toLowerCase() === 'location' && value === undefined) {
value = '';
}

let headers = this[kOutHeaders];
if (headers === null)
this[kOutHeaders] = headers = { __proto__: null };
Expand All @@ -652,6 +659,7 @@ OutgoingMessage.prototype.setHeader = function setHeader(name, value) {
return this;
};


OutgoingMessage.prototype.setHeaders = function setHeaders(headers) {
if (this._header) {
throw new ERR_HTTP_HEADERS_SENT('set');
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