fix: fix sandbox/with/document.ts, MicroDocument.hasInstance throw er…

…ror when target is null
uct8086 · Nov 29, 2023 · 32b6d0f · 32b6d0f
1 parent 3fd755c
commit 32b6d0f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/sandbox/with/document.ts b/src/sandbox/with/document.ts
@@ -256,7 +256,8 @@ function createMicroDocument (appName: string, proxyDocument: Document): Functio
   class MicroDocument {
     static [Symbol.hasInstance] (target: unknown) {
       let proto = target
-      while (proto = Object.getPrototypeOf(proto)) {
+      while (proto) {
+        proto = Object.getPrototypeOf(proto)
         if (proto === MicroDocument.prototype) {
           return true
         }