Intercepts calls to _compute_redirect_to_location (used by redirect_to) for two purposes.
Corrects the behavior of redirect_to with the :back option by using the X-XHR-Referer
request header instead of the standard Referer request header.
Stores the return value (the redirect target url) to persist through to the redirect
request, where it will be used to set the X-XHR-Redirected-To response header. The Turbolinks script will detect the header and use replaceState to reflect the redirected url.
# File lib/turbolinks/xhr_headers.rb, line 14 def _compute_redirect_to_location(*args) options, request = _normalize_redirect_params(args) store_for_turbolinks begin if options == :back && request.headers["X-XHR-Referer"] super(*[(request if args.length == 2), request.headers["X-XHR-Referer"]].compact) else super(*args) end end end
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