defn

(Fn [a, b, Response] Response)

                        (after-hook req params resp)

adds CORS headers to every response.

defn

(Fn [(Ref Request a), b] (Maybe Response))

                        (before-hook req params)

handles CORS preflight OPTIONS requests. Returns a 204 with CORS headers, or Nothing for non-OPTIONS requests.

defn

(Fn [String] ())

                        (configure allowed-origin)

sets the allowed origin for CORS. Use setup for full configuration.

def

Bool

def

String

def

String

def

String

def

String

def

String

defn

(Fn [Bool] ())

                        (set-credentials! c)

enables or disables Access-Control-Allow-Credentials. Origin must not be * when enabled.

defn

(Fn [String] ())

                        (set-expose-headers! h)

sets the Access-Control-Expose-Headers value. Pass an empty string to omit (the default).

defn

(Fn [String, String, String, String] ())

                        (setup o m h ma)

configures CORS origin, methods, headers, and max-age.