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/utils.rs b/serde_v8/src/utils.rs
new file mode 100644
index 000000000..6f638f7b3
--- /dev/null
+++ b/serde_v8/src/utils.rs
@@ -0,0 +1,34 @@
+// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
+use rusty_v8 as v8;
+use std::sync::Once;
+
+pub fn js_exec<'s>(
+  scope: &mut v8::HandleScope<'s>,
+  src: &str,
+) -> v8::Local<'s, v8::Value> {
+  let code = v8::String::new(scope, src).unwrap();
+  let script = v8::Script::compile(scope, code, None).unwrap();
+  script.run(scope).unwrap()
+}
+
+pub fn v8_init() {
+  let platform = v8::new_default_platform(0, false).make_shared();
+  v8::V8::initialize_platform(platform);
+  v8::V8::initialize();
+}
+
+pub fn v8_shutdown() {
+  unsafe {
+    v8::V8::dispose();
+  }
+  v8::V8::shutdown_platform();
+}
+
+pub fn v8_do(f: impl FnOnce()) {
+  static V8_INIT: Once = Once::new();
+  V8_INIT.call_once(|| {
+    v8_init();
+  });
+  f();
+  // v8_shutdown();
+}