header could be empty string #1551
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changing condition, do setHeader only when header is not
null
undefined
NaN
empty string ("")
0
false
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changing condition, do setHeader only when header is not
null
undefined
NaN
empty string ("")
0
false
It preserve from exception:
[HPM] GET /events?uuids=18cd56cb-45cb-43e6-a397-c4531cc57866 -> http://localhost:8099
_http_outgoing.js:545
throw new ERR_INVALID_HTTP_TOKEN('Header name', name);
^
TypeError [ERR_INVALID_HTTP_TOKEN]: Header name must be a valid HTTP token [""]
at ServerResponse.setHeader (_http_outgoing.js:563:3)