handlebars-post.snippet-6.clj

;; Util to convert Clojure map to Java Hashmap
(defn clj-map->java-map
  [data]
  (postwalk
   #(cond
      (map? %) (java.util.HashMap. ^java.util.Map %)
      (keyword? %) (name %)
      :else %)
   data))

;; Initialize the http loader 
(def loader (http-loader "https://bucket-name.s3.Region.amazonaws.com/"))

;; Initialize the Handlebars object with custom loader
(def hbs (Handlebars. loader))

;; Render a `index.hbs` file with some data
(-> (.compile hbs "index")
    (.apply (clj-map->java-map {:title "This is title"})))