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Purpose of empty 'Access-Control-Expose-Headers' header? #211

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andreas-venturini opened this issue Oct 3, 2020 · 0 comments

andreas-venturini commented Oct 3, 2020

I'm curious why the 'Access-Control-Expose-Headers' is not entirely omitted in case expose is nil but set to an empty string?

rack-cors/lib/rack/cors/resource.rb

Line 65 in dbea904

'Access-Control-Expose-Headers' => expose.nil? ? '' : expose.join(', '),

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