perf: snapshot runtime ops (#21127)

Closes https://github.com/denoland/deno/issues/21135

~1ms startup time improvement

---------

Signed-off-by: Divy Srivastava <dj.srivastava23@gmail.com>
Co-authored-by: David Sherret <dsherret@users.noreply.github.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/cli/args/flags.rs b/cli/args/flags.rs
index 5261411ce..4bad30140 100644
--- a/cli/args/flags.rs
+++ b/cli/args/flags.rs
@@ -307,6 +307,12 @@ pub enum DenoSubcommand {
   Vendor(VendorFlags),
 }
 
+impl DenoSubcommand {
+  pub fn is_run(&self) -> bool {
+    matches!(self, Self::Run(_))
+  }
+}
+
 impl Default for DenoSubcommand {
   fn default() -> DenoSubcommand {
     DenoSubcommand::Repl(ReplFlags {