From 73b3a2dc54bc5b85ec06069e2b1aebd02b3ef1ec Mon Sep 17 00:00:00 2001
From: John McLear <john@mclear.co.uk>
Date: Wed, 17 Feb 2021 17:25:06 +0000
Subject: [PATCH] lint: AttributeManager.js use ES6 method for hasAttrib

---
 src/static/js/AttributeManager.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/static/js/AttributeManager.js b/src/static/js/AttributeManager.js
index 19424b0a7..7a37c8ffc 100644
--- a/src/static/js/AttributeManager.js
+++ b/src/static/js/AttributeManager.js
@@ -406,7 +406,8 @@ AttributeManager.prototype = _(AttributeManager.prototype).extend({
       hasAttrib = this.getAttributeOnSelection(attributeName);
     } else {
       const attributesOnCaretPosition = this.getAttributesOnCaret();
-      hasAttrib = _.contains(_.flatten(attributesOnCaretPosition), attributeName);
+      const allAttribs = [].concat(...attributesOnCaretPosition); // flatten
+      hasAttrib = allAttribs.includes(attributeName);
     }
     return hasAttrib;
   },