From e274a5777d62d20690394f528abceefa231ebde2 Mon Sep 17 00:00:00 2001
From: Jonathan Kingston <jkingston@duckduckgo.com>
Date: Thu, 22 Jun 2023 10:25:29 +0100
Subject: [PATCH] Short circuit hasTaintedMethod and reduce calling

---
 src/utils.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/utils.js b/src/utils.js
index 1de5c6a06..881bf87d5 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -389,9 +389,13 @@ export function hasTaintedMethod (scope, shouldStackCheck = false) {
     if (!shouldStackCheck || !taintedOrigins()) {
         return false
     }
+    const currentTaintedOrigins = taintedOrigins()
+    if (!currentTaintedOrigins || currentTaintedOrigins.size === 0) {
+        return false
+    }
     const stackOrigins = getStackTraceOrigins(getStack())
     for (const stackOrigin of stackOrigins) {
-        if (taintedOrigins()?.has(stackOrigin)) {
+        if (currentTaintedOrigins.has(stackOrigin)) {
             return true
         }
     }