From 6e673e81fb7de32fbe354c75742e1499183b93ed Mon Sep 17 00:00:00 2001
From: Tobias Koppers <tobias.koppers@googlemail.com>
Date: Fri, 12 Nov 2021 12:43:20 +0100
Subject: [PATCH] WIP: use cached stat info for readFile

---
 package.json |  2 +-
 types.d.ts   | 40 ++++++++++++++++++++++++++++++++++++++--
 yarn.lock    |  5 ++---
 3 files changed, 41 insertions(+), 6 deletions(-)

diff --git a/package.json b/package.json
index a92de4515..7b15daae2 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "acorn-import-assertions": "^1.7.6",
     "browserslist": "^4.14.5",
     "chrome-trace-event": "^1.0.2",
-    "enhanced-resolve": "^5.8.3",
+    "enhanced-resolve": "webpack/enhanced-resolve#feature/use-cached-stat-for-read",
     "es-module-lexer": "^0.9.0",
     "eslint-scope": "5.1.1",
     "events": "^3.2.0",
diff --git a/types.d.ts b/types.d.ts
index f632e8525..8b7e7841d 100644
--- a/types.d.ts
+++ b/types.d.ts
@@ -3994,13 +3994,49 @@ declare interface FileCacheOptions {
 }
 declare interface FileSystem {
 	readFile: {
-		(arg0: string, arg1: FileSystemCallback<string | Buffer>): void;
+		(arg0: string | number, arg1: FileSystemCallback<string | Buffer>): void;
 		(
-			arg0: string,
+			arg0: string | number,
 			arg1: object,
 			arg2: FileSystemCallback<string | Buffer>
 		): void;
 	};
+	open?: {
+		(
+			arg0: string,
+			arg1: string | number,
+			arg2: FileSystemCallback<number>
+		): void;
+		(
+			arg0: string,
+			arg1: string | number,
+			arg2: string | number,
+			arg3: FileSystemCallback<number>
+		): void;
+	};
+	fstat?: {
+		(arg0: number, arg1: FileSystemCallback<FileSystemStats>): void;
+		(
+			arg0: number,
+			arg1: object,
+			arg2: FileSystemCallback<string | Buffer>
+		): void;
+	};
+	read?: (
+		arg0: number,
+		arg1: Buffer | Uint8Array,
+		arg2: number,
+		arg3: number,
+		arg4: number,
+		arg5: (
+			arg0?: null | (PossibleFileSystemError & Error),
+			arg1?: number
+		) => void
+	) => void;
+	close?: (
+		arg0: number,
+		arg1: (arg0?: null | (PossibleFileSystemError & Error)) => void
+	) => void;
 	readdir: {
 		(
 			arg0: string,
diff --git a/yarn.lock b/yarn.lock
index f078307a9..7b0969301 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2256,10 +2256,9 @@ enhanced-resolve@^4.0.0:
     memory-fs "^0.5.0"
     tapable "^1.0.0"
 
-enhanced-resolve@^5.8.3:
+enhanced-resolve@webpack/enhanced-resolve#feature/use-cached-stat-for-read:
   version "5.8.3"
-  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-5.8.3.tgz#6d552d465cce0423f5b3d718511ea53826a7b2f0"
-  integrity sha512-EGAbGvH7j7Xt2nc0E7D99La1OiEs8LnyimkRgwExpUMScN6O+3x9tIWs7PLQZVNx4YD+00skHXPXi1yQHpAmZA==
+  resolved "https://codeload.github.com/webpack/enhanced-resolve/tar.gz/a7c161eeb141bfc7fda375df36c13df006a8cf76"
   dependencies:
     graceful-fs "^4.2.4"
     tapable "^2.2.0"