From eb657bce36f470d632c95072f0a0bcdafb4933f8 Mon Sep 17 00:00:00 2001
From: Evert Timberg <evert.timberg@gmail.com>
Date: Mon, 14 Sep 2015 20:34:49 -0400
Subject: [PATCH] Hide labels when the user returns null from the userCallback.
 This is the same as the category scale

---
 src/scales/scale.logarithmic.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/scales/scale.logarithmic.js b/src/scales/scale.logarithmic.js
index a8d9706b9..7d0f181c9 100644
--- a/src/scales/scale.logarithmic.js
+++ b/src/scales/scale.logarithmic.js
@@ -453,6 +453,11 @@
 							// Grid lines are vertical
 							var xValue = this.getPixelForValue(tick);
 
+							if (this.labels[index] === null) {
+								// If the user specifically hid the label by returning null from the label function, do so
+								return;
+							}
+
 							if (tick === 0 || (!hasZero && index === 0)) {
 								// Draw the 0 point specially or the left if there is no 0
 								this.ctx.lineWidth = this.options.gridLines.zeroLineWidth;