From: jcopperfield <33193571+jcopperfield@users.noreply.github.com>
Date: Thu, 14 Dec 2017 15:03:07 +0000 (+0100)
Subject: Fix issue #5029 (#5041)
X-Git-Tag: v2.7.2~1^2~33
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f9beedba40217f07169ce9764f4371d40ee72367;p=thirdparty%2FChart.js.git

Fix issue #5029 (#5041)

- infinite loop in generating time axis, due to insufficient bounds checking.
---

diff --git a/src/scales/scale.time.js b/src/scales/scale.time.js
index 4fe39b810..cfa9f829a 100644
--- a/src/scales/scale.time.js
+++ b/src/scales/scale.time.js
@@ -240,7 +240,7 @@ function determineStepSize(min, max, unit, capacity) {
 	var i, ilen, factor;
 
 	if (!steps) {
-		return Math.ceil(range / ((capacity || 1) * milliseconds));
+		return Math.ceil(range / (capacity * milliseconds));
 	}
 
 	for (i = 0, ilen = steps.length; i < ilen; ++i) {
@@ -748,7 +748,8 @@ module.exports = function(Chart) {
 			var tickLabelWidth = me.getLabelWidth(exampleLabel);
 			var innerWidth = me.isHorizontal() ? me.width : me.height;
 
-			return Math.floor(innerWidth / tickLabelWidth);
+			var capacity = Math.floor(innerWidth / tickLabelWidth);
+			return capacity > 0 ? capacity : 1;
 		}
 	});