From aecf299956408ac59b4a754fb2007d173fa0a784 Mon Sep 17 00:00:00 2001
From: Masayuki Tanaka <masayuki0812@mac.com>
Date: Mon, 8 Jan 2018 13:24:04 +0900
Subject: [PATCH] Fix expand circle

---
 src/interaction.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/interaction.js b/src/interaction.js
index a325ced..d0a875f 100644
--- a/src/interaction.js
+++ b/src/interaction.js
@@ -87,7 +87,10 @@ c3_chart_internal_fn.redrawEventRect = function () {
 
             // expand points
             if (config.point_focus_expand_enabled) {
-                $$.expandCircles(closest.index, closest.id, true);
+                $$.unexpandCircles();
+                selectedData.forEach(function (d) {
+                    $$.expandCircles(d.index, d.id, false);
+                });
             }
             $$.expandBars(closest.index, closest.id, true);