[oden] Hot-reload script files

oden-js/src/context.rs

@@ -396,6 +396,23 @@ impl ContextRef {
     pub fn process_all_jobs(&self) -> Result<()> {
         self.get_runtime().process_all_jobs()
     }
+
+    /// Deserialize a value from bytes generated by `ValueRef::serialize()`.
+    ///
+    /// NOTE: The serialized value is only good for this exact version of
+    ///       QuickJS- do *not* expect to be able to save it to disk and
+    ///       re-load it. This is for more ephemeral usage: passing values
+    ///       between threads, etc.
+    pub fn deserialize(&self, data: &[u8]) -> Result<Value> {
+        self.check_exception(unsafe {
+            sys::JS_ReadObject(
+                self.ctx,
+                data.as_ptr(),
+                data.len(),
+                sys::JS_READ_OBJ_REFERENCE as i32,
+            )
+        })
+    }
 }
 
 #[derive(Debug)]