(ns parity-filter
  (:require [clojure.string :as string]
            [cljs.nodejs :as node]))

(defn filter-by-parity [parity min max]
  (let [r (range min (inc max))]
    (if (= parity "even") (filter even? r) (filter odd? r))))

(defn -main [& args]
  (let [[max min parity] (take 3 (reverse (.argv node/process)))]
    (println (string/join ", "
      (filter-by-parity parity (js/parseInt min) (js/parseInt max))))))

(set! *main-cli-fn* -main)