feat(serde_v8): support BigInt serialization (#18225)

This commit enables serializing `v8::BigInt` to `num_bigint::BigInt`
in Rust.

Pre-requisite for sub upcoming feature work.

1 files changed, 4 insertions, 0 deletions

diff --git a/serde_v8/de.rs b/serde_v8/de.rs
index 15a90a13d..6708daa4d 100644
--- a/serde_v8/de.rs
+++ b/serde_v8/de.rs
@@ -13,6 +13,7 @@ use crate::magic::transl8::visit_magic;
 use crate::magic::transl8::FromV8;
 use crate::magic::transl8::MagicType;
 use crate::payload::ValueType;
+use crate::BigInt;
 use crate::ByteString;
 use crate::DetachedBuffer;
 use crate::StringOrBuffer;
@@ -348,6 +349,9 @@ impl<'de, 'a, 'b, 's, 'x> de::Deserializer<'de>
       StringOrBuffer::MAGIC_NAME => {
         visit_magic(visitor, StringOrBuffer::from_v8(self.scope, self.input)?)
       }
+      BigInt::MAGIC_NAME => {
+        visit_magic(visitor, BigInt::from_v8(self.scope, self.input)?)
+      }
       magic::Value::MAGIC_NAME => {
         visit_magic(visitor, magic::Value::from_v8(self.scope, self.input)?)
       }