feat(serde_v8): add serde_v8::Global (#14761)

serde_v8/lib.rs

@@ -16,6 +16,7 @@ pub use magic::bytestring::ByteString;
 pub use magic::detached_buffer::DetachedBuffer;
 pub use magic::string_or_buffer::StringOrBuffer;
 pub use magic::u16string::U16String;
+pub use magic::Global;
 pub use magic::Value;
 pub use ser::{to_v8, Serializer};
 pub use serializable::{Serializable, SerializablePkg};

serde_v8/magic/global.rs

@@ -0,0 +1,41 @@
+// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
+
+use crate::magic::transl8::impl_magic;
+use crate::magic::transl8::FromV8;
+use crate::magic::transl8::ToV8;
+
+pub struct Global {
+  pub v8_value: v8::Global<v8::Value>,
+}
+impl_magic!(Global);
+
+impl From<v8::Global<v8::Value>> for Global {
+  fn from(v8_value: v8::Global<v8::Value>) -> Self {
+    Self { v8_value }
+  }
+}
+
+impl From<Global> for v8::Global<v8::Value> {
+  fn from(v: Global) -> Self {
+    v.v8_value
+  }
+}
+
+impl ToV8 for Global {
+  fn to_v8<'a>(
+    &self,
+    scope: &mut v8::HandleScope<'a>,
+  ) -> Result<v8::Local<'a, v8::Value>, crate::Error> {
+    Ok(v8::Local::new(scope, self.v8_value.clone()))
+  }
+}
+
+impl FromV8 for Global {
+  fn from_v8(
+    scope: &mut v8::HandleScope,
+    value: v8::Local<v8::Value>,
+  ) -> Result<Self, crate::Error> {
+    let global = v8::Global::new(scope, value);
+    Ok(global.into())
+  }
+}

serde_v8/magic/mod.rs

@@ -2,10 +2,12 @@
 pub mod buffer;
 pub mod bytestring;
 pub mod detached_buffer;
+mod global;
 pub(super) mod rawbytes;
 pub mod string_or_buffer;
 pub mod transl8;
 pub mod u16string;
 pub mod v8slice;
 mod value;
+pub use global::Global;
 pub use value::Value;