Using Clojure to retrieve javascript file names in resources directory

javascript-filename-in-resources-directory.md

(:require [clojure.java.io :as io])

(defn get-file-names [directory-object files-path]
  (let [full-directory-path (.getPath directory-object)
        get-js-file-path (fn [file]
                           (str files-path (.getName file)))]
    (->> full-directory-path
         io/file
         file-seq
         (filterv (fn [file] (.isFile file)))
         (mapv get-js-file-path))))

(defn get-js-file-names []
  (let [directory-object (io/resource "js")
        directory-exists? (-> directory-object nil? not)]
    (when directory-exists?
      (get-file-names directory-object "/js/"))))
      
(get-js-file-names) ;; -> [<filename-1> ... <filename-n>]