From 428bf3c8a6b26ced2c7beefe130b5b06ffa0289f Mon Sep 17 00:00:00 2001
From: Vincent LE GOFF <g_n_s@hotmail.fr>
Date: Sat, 2 Mar 2019 20:57:37 +0100
Subject: fs.walk performance improvement (denoland/deno_std#221)

Original: https://github.com/denoland/deno_std/commit/ccb452f77580148084e7b2dbcfb52b984e0d740e
---
 fs/walk.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/fs/walk.ts b/fs/walk.ts
index f2a9b6c57..c76803a2e 100644
--- a/fs/walk.ts
+++ b/fs/walk.ts
@@ -31,7 +31,9 @@ export async function* walk(
       options.onError(err);
     }
   }
-  for (let f of ls) {
+  const length = ls.length;
+  for (var i = 0; i < length; i++) {
+    let f = ls[i];
     if (f.isSymlink()) {
       if (options.followSymlinks) {
         f = await resolve(f);
@@ -71,7 +73,9 @@ export function* walkSync(
       options.onError(err);
     }
   }
-  for (let f of ls) {
+  const length = ls.length;
+  for (var i = 0; i < length; i++) {
+    let f = ls[i];
     if (f.isSymlink()) {
       if (options.followSymlinks) {
         f = resolveSync(f);
-- 
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