From 13f649d4cd849dc7f20c444577cc7e173f07c228 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Iv=C3=A1n=20S=C3=A1nchez=20Ortega?= <ivan@sanchezortega.es>
Date: Wed, 20 Feb 2019 16:39:10 +0100
Subject: [PATCH] Update L.Polyline's _pxBounds when their stroke weight
 changes (#6516)

---
 src/layer/vector/Path.js     |  3 +++
 src/layer/vector/Polyline.js | 17 +++++++++++------
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/layer/vector/Path.js b/src/layer/vector/Path.js
index 032343737..db329e4b0 100644
--- a/src/layer/vector/Path.js
+++ b/src/layer/vector/Path.js
@@ -105,6 +105,9 @@ export var Path = Layer.extend({
 		Util.setOptions(this, style);
 		if (this._renderer) {
 			this._renderer._updateStyle(this);
+			if (this.options.stroke && style.hasOwnProperty('weight')) {
+				this._updateBounds();
+			}
 		}
 		return this;
 	},
diff --git a/src/layer/vector/Polyline.js b/src/layer/vector/Polyline.js
index bbc6558f6..bb03520c7 100644
--- a/src/layer/vector/Polyline.js
+++ b/src/layer/vector/Polyline.js
@@ -203,14 +203,19 @@ export var Polyline = Path.extend({
 		this._rings = [];
 		this._projectLatlngs(this._latlngs, this._rings, pxBounds);
 
+		if (this._bounds.isValid() && pxBounds.isValid()) {
+			this._rawPxBounds = pxBounds;
+			this._updateBounds();
+		}
+	},
+
+	_updateBounds: function () {
 		var w = this._clickTolerance(),
 		    p = new Point(w, w);
-
-		if (this._bounds.isValid() && pxBounds.isValid()) {
-			pxBounds.min._subtract(p);
-			pxBounds.max._add(p);
-			this._pxBounds = pxBounds;
-		}
+		this._pxBounds = new Bounds([
+			this._rawPxBounds.min.subtract(p),
+			this._rawPxBounds.max.add(p)
+		]);
 	},
 
 	// recursively turns latlngs into a set of rings with projected coordinates