From 68d0e12bdb574838473ecdce00102eabc4270119 Mon Sep 17 00:00:00 2001
From: pshu <stormslowly@gmail.com>
Date: Thu, 12 Jan 2023 17:31:07 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20delete=20defineProperty=20to=20r?=
 =?UTF-8?q?ecover=20doc.currentScript=20(#2372)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/sandbox/patchers/dynamicAppend/common.ts | 10 ++++++++++
 src/sandbox/proxySandbox.ts                  |  3 ++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/sandbox/patchers/dynamicAppend/common.ts b/src/sandbox/patchers/dynamicAppend/common.ts
index cfc309646..b99cb95bf 100644
--- a/src/sandbox/patchers/dynamicAppend/common.ts
+++ b/src/sandbox/patchers/dynamicAppend/common.ts
@@ -283,6 +283,7 @@ function getOverwrittenAppendChildOrInsertBefore(opts: {
           const scopedGlobalVariables = speedySandbox ? trustedGlobals : [];
 
           if (src) {
+            let isRedfinedCurrentScript = false;
             execScripts(null, [src], proxy, {
               fetch,
               strictGlobal,
@@ -299,14 +300,23 @@ function getOverwrittenAppendChildOrInsertBefore(opts: {
                     },
                     configurable: true,
                   });
+                  isRedfinedCurrentScript = true;
                 }
               },
               success: () => {
                 manualInvokeElementOnLoad(element);
+                if (isRedfinedCurrentScript) {
+                  // @ts-ignore
+                  delete document.currentScript;
+                }
                 element = null;
               },
               error: () => {
                 manualInvokeElementOnError(element);
+                if (isRedfinedCurrentScript) {
+                  // @ts-ignore
+                  delete document.currentScript;
+                }
                 element = null;
               },
             });
diff --git a/src/sandbox/proxySandbox.ts b/src/sandbox/proxySandbox.ts
index 23f263e26..1c312c76e 100644
--- a/src/sandbox/proxySandbox.ts
+++ b/src/sandbox/proxySandbox.ts
@@ -161,7 +161,8 @@ export default class ProxySandbox implements SandBox {
   }
 
   // the descriptor of global variables in whitelist before it been modified
-  globalWhitelistPrevDescriptor: { [p in typeof globalVariableWhiteList[number]]: PropertyDescriptor | undefined } = {};
+  globalWhitelistPrevDescriptor: { [p in (typeof globalVariableWhiteList)[number]]: PropertyDescriptor | undefined } =
+    {};
   globalContext: typeof window;
 
   constructor(name: string, globalContext = window) {