From a176cdf74b94845d21f0e184b65a6cc134b3ef0f Mon Sep 17 00:00:00 2001
From: jjensenbloom <72892275+jjensenbloom@users.noreply.github.com>
Date: Tue, 23 Jul 2024 11:48:07 -0700
Subject: [PATCH 1/2] Optimize createStyle

When adding styles to a large number of cells, calling `new Style()` each time to check if the style exists is slow.  Instead, the stringified style options are used as the lookup key before calling `new Style()`.
---
 source/lib/workbook/workbook.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/source/lib/workbook/workbook.js b/source/lib/workbook/workbook.js
index cc171e9c..76462afa 100644
--- a/source/lib/workbook/workbook.js
+++ b/source/lib/workbook/workbook.js
@@ -238,13 +238,14 @@ class Workbook {
      * @returns {Style}
      */
     createStyle(opts) {
-        const thisStyle = new Style(this, opts);
-        const lookupKey = JSON.stringify(thisStyle.toObject());
+        const lookupKey = JSON.stringify(opts);
 
         // Use existing style if one exists
         if (this.stylesLookup.get(lookupKey)) {
             return this.stylesLookup.get(lookupKey);
         }
+        
+        const thisStyle = new Style(this, opts);
 
         this.stylesLookup.set(lookupKey, thisStyle);
         const index = this.styles.push(thisStyle) - 1;
@@ -279,4 +280,4 @@ class Workbook {
     }
 }
 
-module.exports = Workbook;
\ No newline at end of file
+module.exports = Workbook;

From bf07804821e9b4a4489413a85125c8c3000e72b6 Mon Sep 17 00:00:00 2001
From: jjensenbloom <72892275+jjensenbloom@users.noreply.github.com>
Date: Tue, 23 Jul 2024 11:49:50 -0700
Subject: [PATCH 2/2] Remove blank line