From 95345ae0c778848bac8a4e545ac454c302941f49 Mon Sep 17 00:00:00 2001
From: ikkyu-3 <toru.hasegawa.0521@gmail.com>
Date: Sun, 15 May 2022 12:19:40 +0900
Subject: [PATCH] fix(isLength) added process to subtract Presentation
 Sequences characters

---
 src/lib/isLength.js | 3 ++-
 test/validators.js  | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/lib/isLength.js b/src/lib/isLength.js
index 2e7c75c51..4ef8b83eb 100644
--- a/src/lib/isLength.js
+++ b/src/lib/isLength.js
@@ -12,7 +12,8 @@ export default function isLength(str, options) {
     min = arguments[1] || 0;
     max = arguments[2];
   }
+  const presentationSequences = str.match(/(\uFE0F|\uFE0E)/g) || [];
   const surrogatePairs = str.match(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g) || [];
-  const len = str.length - surrogatePairs.length;
+  const len = str.length - presentationSequences.length - surrogatePairs.length;
   return len >= min && (typeof max === 'undefined' || len <= max);
 }
diff --git a/test/validators.js b/test/validators.js
index 16fb6b89b..d49cbc8bb 100644
--- a/test/validators.js
+++ b/test/validators.js
@@ -4586,6 +4586,11 @@ describe('Validators', () => {
       validator: 'isLength',
       valid: ['a', '', 'asds'],
     });
+    test({
+      validator: 'isLength',
+      args: [{ max: 8 }],
+      valid: ['👩🦰👩👩👦👦🏳️🌈', '⏩︎⏩︎⏪︎⏪︎⏭︎⏭︎⏮︎⏮︎'],
+    });
   });
 
   it('should validate strings by byte length', () => {