From: Jukka Kurkela <jukka.kurkela@gmail.com>
Date: Tue, 14 Jan 2020 23:22:17 +0000 (+0200)
Subject: Optimize category parse for usual use case (#6959)
X-Git-Tag: v3.0.0-alpha~126
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dc638d36e33526de12f76b228cd8212d4dd11fe8;p=thirdparty%2FChart.js.git

Optimize category parse for usual use case (#6959)
---

diff --git a/src/scales/scale.category.js b/src/scales/scale.category.js
index 5cd4cd96c..40f0416fb 100644
--- a/src/scales/scale.category.js
+++ b/src/scales/scale.category.js
@@ -8,6 +8,9 @@ const defaultConfig = {
 class CategoryScale extends Scale {
 	_parse(raw, index) {
 		const labels = this._getLabels();
+		if (labels[index] === raw) {
+			return index;
+		}
 		const first = labels.indexOf(raw);
 		const last = labels.lastIndexOf(raw);
 		return first === -1 || first !== last ? index : first;