chore: return serde_v8 to main repo (#12500)

Reduces fragmentation, avoids version drift and facilitates coordinating serde_v8 and op-layer changes

1 files changed, 34 insertions, 0 deletions

diff --git a/serde_v8/src/payload.rs b/serde_v8/src/payload.rs
new file mode 100644
index 000000000..816158f93
--- /dev/null
+++ b/serde_v8/src/payload.rs
@@ -0,0 +1,34 @@
+// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
+use rusty_v8 as v8;
+
+// TODO: maybe add a Payload type that holds scope & v8::Value
+// so it can implement Deserialize by itself
+
+// Classifies v8::Values into sub-types
+pub enum ValueType {
+  Null,
+  Bool,
+  Number,
+  String,
+  Array,
+  Object,
+}
+
+impl ValueType {
+  pub fn from_v8(v: v8::Local<v8::Value>) -> ValueType {
+    if v.is_boolean() {
+      return Self::Bool;
+    } else if v.is_number() {
+      return Self::Number;
+    } else if v.is_string() {
+      return Self::String;
+    } else if v.is_array() {
+      return Self::Array;
+    } else if v.is_object() {
+      return Self::Object;
+    } else if v.is_null_or_undefined() {
+      return Self::Null;
+    }
+    panic!("serde_v8: unknown ValueType for v8::Value")
+  }
+}