perf: v8 code cache (#23081)

This PR enables V8 code cache for ES modules and for `require` scripts
through `op_eval_context`. Code cache artifacts are transparently stored
and fetched using sqlite db and are passed to V8. `--no-code-cache` can
be used to disable.

---------

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/cli/cache/deno_dir.rs b/cli/cache/deno_dir.rs
index ee8c35684..b56dfbc89 100644
--- a/cli/cache/deno_dir.rs
+++ b/cli/cache/deno_dir.rs
@@ -142,6 +142,12 @@ impl DenoDir {
     self.root.join("npm")
   }
 
+  /// Path for the V8 code cache.
+  pub fn code_cache_db_file_path(&self) -> PathBuf {
+    // bump this version name to invalidate the entire cache
+    self.root.join("v8_code_cache_v1")
+  }
+
   /// Path used for the REPL history file.
   /// Can be overridden or disabled by setting `DENO_REPL_HISTORY` environment variable.
   pub fn repl_history_file_path(&self) -> Option<PathBuf> {