From bc82b3ba6f3a665c061afd3405a0be20cd2ec15d Mon Sep 17 00:00:00 2001
From: huarui <huarui.wu@gmail.com>
Date: Wed, 25 Jul 2018 11:59:23 -0700
Subject: [PATCH] refactor to reduce loc

---
 src/core/core.interaction.js | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/core/core.interaction.js b/src/core/core.interaction.js
index 3e4bc3e027b..59474a5b32b 100644
--- a/src/core/core.interaction.js
+++ b/src/core/core.interaction.js
@@ -308,11 +308,7 @@ module.exports = {
 			// sort by distance
 			Object.keys(byIndex).forEach(function(key) {
 				byIndex[key].sort(function(a, b) {
-					var centerA = a.getCenterPoint();
-					var centerB = b.getCenterPoint();
-					var distanceA = distanceMetric(position, centerA);
-					var distanceB = distanceMetric(position, centerB);
-					return distanceA - distanceB;
+					return distanceMetric(position, a.getCenterPoint()) - distanceMetric(position, b.getCenterPoint());
 				});
 			});