From 2959d1211c90969ae75b3432e171c6653f4d2f53 Mon Sep 17 00:00:00 2001
From: Payam Yousefi <payousefi@gmail.com>
Date: Tue, 6 Dec 2016 14:52:34 -0800
Subject: [PATCH] Fix for issue where incomplete data from the process was
 being JSON.parse'd causing error
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Concat data as chunks, callback on ‘close’ instead
---
 index.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index f43b588..fee84be 100644
--- a/index.js
+++ b/index.js
@@ -29,9 +29,13 @@ R.prototype.call = function(_opts, _callback) {
   var opts = _.isFunction(_opts) ? {} : _opts;
   this.options.env.input = JSON.stringify([this.d, this.path, opts]);
   var child = child_process.spawn("Rscript", this.args, this.options);
+  var body = "";
   child.stderr.on("data", callback);
   child.stdout.on("data", function(d) {
-    callback(null, JSON.parse(d));
+     body += d;
+  });
+  child.on("close", function(code) {
+    callback(null, JSON.parse(body));
   });
 };