From dc638d36e33526de12f76b228cd8212d4dd11fe8 Mon Sep 17 00:00:00 2001
From: Jukka Kurkela <jukka.kurkela@gmail.com>
Date: Wed, 15 Jan 2020 01:22:17 +0200
Subject: [PATCH] Optimize category parse for usual use case (#6959)

---
 src/scales/scale.category.js | 3 +++
 1 file changed, 3 insertions(+)

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;
-- 
2.47.2