diff --git a/project.clj b/project.clj
index 283c94e..a884512 100644
--- a/project.clj
+++ b/project.clj
@@ -3,6 +3,7 @@
 ;;  :main marginalia.main
   :dependencies
   [[org.clojure/clojure "1.5.1"]
+   [org.clojure/clojurescript "0.0-2138"]
    [org.clojure/tools.namespace "0.1.1"]
    [org.clojure/tools.cli "0.2.1"]
    [org.markdownj/markdownj "0.3.0-1.0.2b4"]
diff --git a/src/marginalia/parser.clj b/src/marginalia/parser.clj
index 6cd8125..730ff3c 100644
--- a/src/marginalia/parser.clj
+++ b/src/marginalia/parser.clj
@@ -4,7 +4,8 @@
 (ns marginalia.parser
   "Provides the parsing facilities for Marginalia."
   (:refer-clojure :exclude [replace])
-  (:use [clojure [string :only (join replace)]]))
+  (:use [clojure [string :only (join replace lower-case)]]
+        [cljs.tagged-literals :only [*cljs-data-readers*]]))
 
 
 ;; Extracted from clojure.contrib.reflect
@@ -355,5 +356,12 @@
         (set-keyword-reader nil)
         (throw e)))))
 
+(defn cljs-file? [filepath]
+  (.endsWith (lower-case filepath) "cljs"))
+
 (defn parse-file [file]
-  (parse (slurp file)))
+  (let [readers (if (cljs-file? file)
+                  (->> default-data-readers (merge *cljs-data-readers*))
+                  default-data-readers)]
+    (binding [*data-readers* readers]
+      (parse (slurp file)))))