From 7f3902b41f68edddbc50b01ea52c697827d8516f Mon Sep 17 00:00:00 2001
From: Divy Srivastava <dj.srivastava23@gmail.com>
Date: Wed, 15 Nov 2023 04:25:55 -0800
Subject: perf: static bootstrap options in snapshot (#21213)

Closes https://github.com/denoland/deno/issues/21133
---
 runtime/ops/bootstrap.rs | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'runtime/ops')

diff --git a/runtime/ops/bootstrap.rs b/runtime/ops/bootstrap.rs
index 72e31a1d6..066488d09 100644
--- a/runtime/ops/bootstrap.rs
+++ b/runtime/ops/bootstrap.rs
@@ -2,6 +2,7 @@
 
 use deno_core::op2;
 use deno_core::OpState;
+use serde::Serialize;
 
 use crate::BootstrapOptions;
 
@@ -16,9 +17,34 @@ deno_core::extension!(
     op_bootstrap_log_level,
     op_bootstrap_no_color,
     op_bootstrap_is_tty,
+    op_snapshot_options,
   ],
+  options = {
+    snapshot_options: Option<SnapshotOptions>,
+  },
+  state = |state, options| {
+    if let Some(snapshot_options) = options.snapshot_options {
+      state.put::<SnapshotOptions>(snapshot_options);
+    }
+  },
 );
 
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SnapshotOptions {
+  pub deno_version: String,
+  pub ts_version: String,
+  pub v8_version: &'static str,
+  pub target: String,
+}
+
+// Note: Called at snapshot time, op perf is not a concern.
+#[op2]
+#[serde]
+pub fn op_snapshot_options(state: &mut OpState) -> SnapshotOptions {
+  state.take::<SnapshotOptions>()
+}
+
 #[op2]
 #[serde]
 pub fn op_bootstrap_args(state: &mut OpState) -> Vec<String> {
-- 
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