datetime.cljs

(ns datetime
  (:require [cljs-time.format :refer [formatter unparse parse formatters]]
            [clojure.string :as string]))

(def human-date-fmt (formatter "dd. MM. yyyy"))

(defn fmt
  "Formats a given `datetime` by a given `fmt` or a default formatter."
  ([datetime fmt]
   (when-not (string/blank? datetime)
     (unparse fmt (parse datetime))))
  ([datetime]
   (fmt datetime human-date-fmt)))