From 14e24a918560fb30146905f45886132c63f52fb5 Mon Sep 17 00:00:00 2001
From: serhii-yakymuk <sergiy.yakymuk@gmail.com>
Date: Wed, 7 Mar 2018 01:15:50 +0200
Subject: [PATCH]  #4202 Line Chart - line on the edge get cut fix

---
 src/controllers/controller.line.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/controllers/controller.line.js b/src/controllers/controller.line.js
index 9d9206d5cb2..aa9fff841a0 100644
--- a/src/controllers/controller.line.js
+++ b/src/controllers/controller.line.js
@@ -283,11 +283,17 @@ module.exports = function(Chart) {
 			var points = meta.data || [];
 			var area = chart.chartArea;
 			var ilen = points.length;
+			var dataset = me.getDataset();
 			var i = 0;
 
-			helpers.canvas.clipArea(chart.ctx, area);
+			helpers.canvas.clipArea(chart.ctx, {
+				left: area.left,
+				right: area.right,
+				top: area.top - dataset.borderWidth / 2,
+				bottom: area.bottom + dataset.borderWidth / 2
+			});
 
-			if (lineEnabled(me.getDataset(), chart.options)) {
+			if (lineEnabled(dataset, chart.options)) {
 				meta.dataset.draw();
 			}