From: Jukka Kurkela <jukka.kurkela@gmail.com>
Date: Tue, 9 Jun 2020 17:15:06 +0000 (+0300)
Subject: Restore Set to arrayUnique (#7481)
X-Git-Tag: v3.0.0-beta.2~97
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=87a0653e571415b753e88ad6d26cc0deeff292a4;p=thirdparty%2FChart.js.git

Restore Set to arrayUnique (#7481)
---

diff --git a/src/scales/scale.time.js b/src/scales/scale.time.js
index 570ac747f..2dc8a4cc1 100644
--- a/src/scales/scale.time.js
+++ b/src/scales/scale.time.js
@@ -44,13 +44,22 @@ function sorter(a, b) {
  * @param {number[]} items
  */
 function arrayUnique(items) {
-	const unique = {};
+	const set = new Set();
+	let i, ilen;
+
+	for (i = 0, ilen = items.length; i < ilen; ++i) {
+		set.add(items[i]);
+	}
 
-	for (let i = 0, ilen = items.length; i < ilen; ++i) {
-		unique[items[i]] = true;
+	if (set.size === ilen) {
+		return items;
 	}
 
-	return Object.keys(unique).map(x => +x);
+	const result = [];
+	set.forEach(item => {
+		result.push(item);
+	});
+	return result;
 }
 
 /**