v.0.2.0: reading and parsing now async

Author: reflechant

README.md

@@ -4,7 +4,7 @@ A console program to produce colorized diff of two JSON files
 
 ## Usage
 
-    $ java -jar json-diff-0.1.1.jar file1.json file2.json
+    $ java -jar json-diff.jar file1.json file2.json
 
 ## License
 

project.clj

@@ -1,4 +1,4 @@
-(defproject json-diff "0.1.1"
+(defproject json-diff "0.2.0"
   :description "A console program to produce colorized diff of two JSON files"
   :url "https://github.com/reflechant/json-diff"
   :license {:name "EPL-2.0 OR GPL-2.0-or-later WITH Classpath-exception-2.0"

src/json_diff/core.clj

@@ -1,25 +1,32 @@
 (ns json-diff.core
   (:require [clojure.data.json :as json]
-            ;; [clojure.core.async :as async]
+            [clojure.core.async :refer [>! <!! go chan]]
             [lambdaisland.deep-diff2 :as ddiff]
             [clojure.java.io :as io])
   (:gen-class))
 
 
+(defn open-parse
+  "open JSON file and parses it"
+  [fn]
+  (with-open [f (io/reader fn)]
+    (json/read f)))
+
 (defn diff
   "returns diff between JSON files"
   [fn1 fn2]
-  (with-open [file1 (io/reader fn1)
-              file2 (io/reader fn2)]
-    (let [json1 (json/read file1)
-          json2 (json/read file2)]
-      (ddiff/diff json1 json2))))
+  (let [c1 (chan)
+        c2 (chan)]
+    (go (>! c1 (open-parse fn1)))
+    (go (>! c2 (open-parse fn2)))
+    (ddiff/diff (<!! c1) (<!! c2))))
 
 (defn -main
   "Main function"
   [& args]
   (if (> 2 (count args))
     (println "Not enough parameters!")
-    (let [fn1 (first args)
-          fn2 (second args)]
-      (ddiff/pretty-print (diff fn1 fn2)))))
+    (ddiff/pretty-print
+     (diff
+      (first args)
+      (second args)))))