From a0d455e972e7cc371b40431b1c3386d62f5497cf Mon Sep 17 00:00:00 2001
From: weifangchen <weifangchen@tencent.com>
Date: Mon, 15 May 2023 22:48:56 +0800
Subject: [PATCH] fix(proxy): protect the program when querySelectorAll throws
 an exception

---
 packages/wujie-core/src/proxy.ts | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/packages/wujie-core/src/proxy.ts b/packages/wujie-core/src/proxy.ts
index c59b571b..0abe359f 100644
--- a/packages/wujie-core/src/proxy.ts
+++ b/packages/wujie-core/src/proxy.ts
@@ -118,7 +118,19 @@ export function proxyGenerator(
               }
               if (propKey === "getElementsByClassName") arg = "." + arg;
               if (propKey === "getElementsByName") arg = `[name="${arg}"]`;
-              return querySelectorAll.call(shadowRoot, arg);
+
+              // FIXME: This string must be a valid CSS selector string; if it's not, a SyntaxError exception is thrown;
+              // so we should ensure that the program can execute normally in case of exceptions.
+              // reference: https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelectorAll
+
+              let res: NodeList[] | [];
+              try {
+                res = querySelectorAll.call(shadowRoot, arg);
+              } catch (error) {
+                res = [];
+              }
+
+              return res;
             },
           });
         }