From 39a2594ec2c2eadb53d80cbb8dad6b11f7d5a680 Mon Sep 17 00:00:00 2001
From: Dan Vanderkam <danvk@sidewalklabs.com>
Date: Wed, 28 Dec 2016 15:06:21 -0500
Subject: [PATCH] Guard process access for rollup

---
 src/dygraph-options-reference.js |  2 ++
 src/dygraph-options.js           |  8 ++++++--
 src/dygraph.js                   | 18 ++++++++++--------
 3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/src/dygraph-options-reference.js b/src/dygraph-options-reference.js
index 19718e6..4a066bb 100644
--- a/src/dygraph-options-reference.js
+++ b/src/dygraph-options-reference.js
@@ -9,6 +9,7 @@
 var OPTIONS_REFERENCE = null;
 
 // For "production" code, this gets removed by uglifyjs.
+if (typeof(process) !== 'undefined') {
 if (process.env.NODE_ENV != 'production') {
 
 // NOTE: in addition to parsing as JS, this snippet is expected to be valid
@@ -876,5 +877,6 @@ for (var k in OPTIONS_REFERENCE) {
 }
 
 }
+}
 
 export default OPTIONS_REFERENCE;
diff --git a/src/dygraph-options.js b/src/dygraph-options.js
index c77e498..7c7f745 100644
--- a/src/dygraph-options.js
+++ b/src/dygraph-options.js
@@ -167,8 +167,10 @@ DygraphOptions.prototype.reparseSeries = function() {
   utils.update(this.xAxis_.options, axis_opts["x"] || {});
 
   // For "production" code, this gets removed by uglifyjs.
-  if (process.env.NODE_ENV != 'production') {
-    this.validateOptions_();
+  if (typeof(process) !== 'undefined') {
+    if (process.env.NODE_ENV != 'production') {
+      this.validateOptions_();
+    }
   }
 };
 
@@ -326,6 +328,7 @@ DygraphOptions.prototype.seriesNames = function() {
 };
 
 // For "production" code, this gets removed by uglifyjs.
+if (typeof(process) !== 'undefined') {
 if (process.env.NODE_ENV != 'production') {
 
 /**
@@ -395,5 +398,6 @@ DygraphOptions.resetWarnings_ = function() {
 };
 
 }
+}
 
 export default DygraphOptions;
diff --git a/src/dygraph.js b/src/dygraph.js
index 7cb9bff..28dff23 100644
--- a/src/dygraph.js
+++ b/src/dygraph.js
@@ -366,14 +366,16 @@ Dygraph.prototype.toString = function() {
  */
 Dygraph.prototype.attr_ = function(name, seriesName) {
   // For "production" code, this gets removed by uglifyjs.
-  if (process.env.NODE_ENV != 'production') {
-    if (typeof(OPTIONS_REFERENCE) === 'undefined') {
-      console.error('Must include options reference JS for testing');
-    } else if (!OPTIONS_REFERENCE.hasOwnProperty(name)) {
-      console.error('Dygraphs is using property ' + name + ', which has no ' +
-                    'entry in the Dygraphs.OPTIONS_REFERENCE listing.');
-      // Only log this error once.
-      OPTIONS_REFERENCE[name] = true;
+  if (typeof(process) !== 'undefined') {
+    if (process.env.NODE_ENV != 'production') {
+      if (typeof(OPTIONS_REFERENCE) === 'undefined') {
+        console.error('Must include options reference JS for testing');
+      } else if (!OPTIONS_REFERENCE.hasOwnProperty(name)) {
+        console.error('Dygraphs is using property ' + name + ', which has no ' +
+                      'entry in the Dygraphs.OPTIONS_REFERENCE listing.');
+        // Only log this error once.
+        OPTIONS_REFERENCE[name] = true;
+      }
     }
   }
   return seriesName ? this.attributes_.getForSeries(name, seriesName) : this.attributes_.get(name);
-- 
2.7.4