From 3524077952735a0d6fab88a4bc2f66d53c1e9f67 Mon Sep 17 00:00:00 2001
From: Lonny Wong <lonnywong@qq.com>
Date: Fri, 6 Oct 2023 20:35:45 +0800
Subject: [PATCH] fs.exists deprecated

---
 src/nodefs.ts       | 4 ++--
 test/nodefs.test.ts | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/nodefs.ts b/src/nodefs.ts
index 3896952..fbf7e01 100644
--- a/src/nodefs.ts
+++ b/src/nodefs.ts
@@ -35,8 +35,8 @@ function promisify(fs: any, funcs: string[]) {
 
 promisify(fs, ["stat", "access", "mkdir", "readdir", "close", "open", "realpath", "write"]);
 
-async function fsExists(path: string) {
-  return new Promise((resolve) => fs.exists(path, (exists: boolean) => resolve(exists)));
+async function fsExists(path: string): Promise<boolean> {
+  return new Promise((resolve) => fs.access(path, (err: Error) => resolve(!err)));
 }
 
 async function fsRead(
diff --git a/test/nodefs.test.ts b/test/nodefs.test.ts
index f99c728..59ae5fc 100644
--- a/test/nodefs.test.ts
+++ b/test/nodefs.test.ts
@@ -145,10 +145,10 @@ test("open save file success", async () => {
   tfr.closeFile();
   expect(fs.readFileSync(path.join(tmpDir, "save.txt")).toString()).toBe("test file content");
 
-  const exists = fs.exists;
-  fs.exists = (_path: string, callback: Function) => callback(true);
+  const access = fs.access;
+  fs.access = (_path: string, mode: Function, callback: Function) => (callback ? callback(null) : mode(null));
   await expect(openSaveFile(saveParam, "save.txt", false, false)).rejects.toThrowError("Fail to assign new file name");
-  fs.exists = exists;
+  fs.access = access;
 });
 
 test("open save file error", async () => {