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elli_xpblfe

0.2.3

0.2.3 0.2.2 0.1.1 0.1.0

Elli middleware to add X-Powered-By: LFE header.

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elli_xpblfe src elli_xpblfe.lfe

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src/elli_xpblfe.lfe

(defmodule elli_xpblfe
  "Add `X-Powered-By: LFE` header to all responses."
  (export (postprocess 3)))

(defun postprocess
  "```http
  HTTP/1.1 451 Unavailable For Legal Reasons
  X-Powered-By: LFE
  ```"
  ([req `#(,code ,body) config]
   (when (orelse (is_integer code) (=:= 'ok code)))
   (postprocess req `#(,code [] ,body) config))
  ([_req `#(,code ,headers ,body) _config]
   (when (orelse (is_integer code) (=:= 'ok code)))
   `#(,code [#(#"X-Powered-By" #"LFE") . ,headers] ,body)))

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