From f001b112a213ad603753bc1ad2f83b754a949373 Mon Sep 17 00:00:00 2001
From: Maarten Veenstra <maartenveenstra@gmail.com>
Date: Wed, 14 Jul 2021 14:47:44 +0200
Subject: [PATCH] avoid potentially slow regex call in renderJsx

---
 addons/docs/src/frameworks/react/jsxDecorator.tsx | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/addons/docs/src/frameworks/react/jsxDecorator.tsx b/addons/docs/src/frameworks/react/jsxDecorator.tsx
index 57dee05a5189..3e1ef836a41b 100644
--- a/addons/docs/src/frameworks/react/jsxDecorator.tsx
+++ b/addons/docs/src/frameworks/react/jsxDecorator.tsx
@@ -115,12 +115,14 @@ export const renderJsx = (code: React.ReactElement, options: JSXOptions) => {
     // @ts-ignore FIXME: workaround react-element-to-jsx-string
     const child = typeof c === 'number' ? c.toString() : c;
     let string = applyBeforeRender(reactElementToJSXString(child, opts as Options), options);
-    const matches = string.match(/\S+=\\"([^"]*)\\"/g);
 
-    if (matches) {
-      matches.forEach((match) => {
-        string = string.replace(match, match.replace(/&quot;/g, "'"));
-      });
+    if (string.indexOf('&quot;') > -1) {
+      const matches = string.match(/\S+=\\"([^"]*)\\"/g);
+        if (matches) {
+          matches.forEach((match) => {
+            string = string.replace(match, match.replace(/&quot;/g, "'"));
+          });
+        }
     }
 
     return string;