From: Evert Timberg <evert.timberg+github@gmail.com>
Date: Thu, 18 Oct 2018 19:28:49 +0000 (-0400)
Subject: Ensure that when the time axis accesses `data.labels` it actually exists (#5750)
X-Git-Tag: v2.8.0-rc.1~130
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f815dd51968a0bec9305e1cf14d738d6f23c93aa;p=thirdparty%2FChart.js.git

Ensure that when the time axis accesses `data.labels` it actually exists (#5750)
---

diff --git a/src/scales/scale.time.js b/src/scales/scale.time.js
index 2496a487c..405d8ff8c 100644
--- a/src/scales/scale.time.js
+++ b/src/scales/scale.time.js
@@ -534,10 +534,11 @@ module.exports = function() {
 			var datasets = [];
 			var labels = [];
 			var i, j, ilen, jlen, data, timestamp;
+			var dataLabels = chart.data.labels || [];
 
 			// Convert labels to timestamps
-			for (i = 0, ilen = chart.data.labels.length; i < ilen; ++i) {
-				labels.push(parse(chart.data.labels[i], me));
+			for (i = 0, ilen = dataLabels.length; i < ilen; ++i) {
+				labels.push(parse(dataLabels[i], me));
 			}
 
 			// Convert data to timestamps