cljs.repl.server/parse-headers

functionpreviously cljs.repl.browser/parse-headersEdit
(parse-headers header-lines)

Source docstring:
Parse the headers of an HTTP POST request.
Source code @ clojurescript:src/main/clojure/cljs/repl/server.clj
(defn parse-headers
  [header-lines]
  (apply hash-map
    (mapcat
      (fn [line]
        (let [[k v] (str/split line #":" 2)]
          [(keyword (str/lower-case k)) (str/triml v)]))
      header-lines)))