From a31d8869ea6c0651109523963a23f16101ce7e64 Mon Sep 17 00:00:00 2001
From: David Sherret <dsherret@users.noreply.github.com>
Date: Wed, 22 Feb 2023 18:22:24 -0500
Subject: perf: remove `current_dir()` call in `Deno.mainModule` (#17883)

---
 runtime/ops/runtime.rs | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

(limited to 'runtime/ops')

diff --git a/runtime/ops/runtime.rs b/runtime/ops/runtime.rs
index 70814e3b8..22a481e77 100644
--- a/runtime/ops/runtime.rs
+++ b/runtime/ops/runtime.rs
@@ -1,7 +1,6 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 
 use crate::permissions::PermissionsContainer;
-use deno_core::anyhow::Context;
 use deno_core::error::AnyError;
 use deno_core::op;
 use deno_core::Extension;
@@ -20,17 +19,15 @@ pub fn init(main_module: ModuleSpecifier) -> Extension {
 
 #[op]
 fn op_main_module(state: &mut OpState) -> Result<String, AnyError> {
-  let main = state.borrow::<ModuleSpecifier>().to_string();
-  let main_url = deno_core::resolve_url_or_path(&main)?;
+  let main_url = state.borrow::<ModuleSpecifier>();
+  let main_path = main_url.to_string();
   if main_url.scheme() == "file" {
-    let main_path = std::env::current_dir()
-      .context("Failed to get current working directory")?
-      .join(main_url.to_string());
+    let main_path = main_url.to_file_path().unwrap();
     state
       .borrow_mut::<PermissionsContainer>()
       .check_read_blind(&main_path, "main_module", "Deno.mainModule")?;
   }
-  Ok(main)
+  Ok(main_path)
 }
 
 pub fn ppid() -> i64 {
-- 
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