From d92fb644cf184404c55bbab813a3dc4f255f2fec Mon Sep 17 00:00:00 2001
From: 43081j <43081j@users.noreply.github.com>
Date: Tue, 25 Jun 2024 09:24:47 +0100
Subject: [PATCH] feat: move to node:fs/promises

Moves to using `node:fs/promises` rather than using `promisify`
manually.
---
 src/index.ts          |  5 +----
 src/nodefs-handler.ts | 18 ++++++++++--------
 test.mjs              |  6 ++++--
 3 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index ea32f8db..918f14c2 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,8 +1,8 @@
 import fs from 'node:fs';
 import { EventEmitter } from 'node:events';
 import sysPath from 'node:path';
-import { promisify } from 'node:util';
 import readdirp from 'readdirp';
+import {stat, readdir} from 'node:fs/promises';
 
 import NodeFsHandler from './nodefs-handler.js';
 import { anymatch, MatchFunction, isMatcherObject, Matcher } from './anymatch.js';
@@ -28,9 +28,6 @@ import {
 import * as EV from './events.js';
 import { EventName } from './events.js';
 
-const stat = promisify(fs.stat);
-const readdir = promisify(fs.readdir);
-
 type ThrottleType = 'readdir' | 'watch' | 'add' | 'remove' | 'change';
 type EmitArgs = [EventName, Path, any?, any?, any?];
 
diff --git a/src/nodefs-handler.ts b/src/nodefs-handler.ts
index a8279844..e35a966e 100644
--- a/src/nodefs-handler.ts
+++ b/src/nodefs-handler.ts
@@ -1,6 +1,5 @@
 import fs from 'fs';
 import sysPath from 'path';
-import { promisify } from 'util';
 import isBinaryPath from 'is-binary-path';
 import {
   Path,
@@ -20,15 +19,15 @@ import {
 } from './constants.js';
 import * as EV from './events.js';
 import type { FSWatcher, WatchHelper, FSWInstanceOptions } from './index.js';
+import {
+  open,
+  stat,
+  lstat,
+  realpath as fsrealpath
+} from 'node:fs/promises';
 
 const THROTTLE_MODE_WATCH = 'watch';
 
-const open = promisify(fs.open);
-const stat = promisify(fs.stat);
-const lstat = promisify(fs.lstat);
-const close = promisify(fs.close);
-const fsrealpath = promisify(fs.realpath);
-
 const statMethods = { lstat, stat };
 
 // TODO: emit errors properly. Example: EMFILE on Macos.
@@ -191,7 +190,7 @@ const setFsWatchListener = (
       if (isWindows && error.code === 'EPERM') {
         try {
           const fd = await open(path, 'r');
-          await close(fd);
+          await fd.close();
           broadcastErr(error);
         } catch (err) {
           // do nothing
@@ -373,10 +372,12 @@ export default class NodeFsHandler {
     if (parent.has(basename)) return;
 
     const listener = async (path, newStats) => {
+      console.log({path, newStats});
       if (!this.fsw._throttle(THROTTLE_MODE_WATCH, file, 5)) return;
       if (!newStats || newStats.mtimeMs === 0) {
         try {
           const newStats = await stat(file);
+          console.log({newStats});
           if (this.fsw.closed) return;
           // Check that change event was not fired because of changed only accessTime.
           const at = newStats.atimeMs;
@@ -392,6 +393,7 @@ export default class NodeFsHandler {
             prevStats = newStats;
           }
         } catch (error) {
+          console.log({error});
           // Fix issues where mtime is null but file is still present
           this.fsw._remove(dirname, basename);
         }
diff --git a/test.mjs b/test.mjs
index 550ba4e2..8e13f163 100644
--- a/test.mjs
+++ b/test.mjs
@@ -484,7 +484,7 @@ const runTests = (baseopts) => {
       await waitFor([unlinkSpy.withArgs(testPath)]);
       unlinkSpy.should.have.been.calledWith(testPath);
 
-      await delay();
+      await delay(100);
       await write(testPath, dateNow());
       await waitFor([[addSpy.withArgs(testPath), 2]]);
       addSpy.should.have.been.calledWith(testPath);
@@ -1414,15 +1414,17 @@ const runTests = (baseopts) => {
         });
         options2.cwd = getFixturePath('subdir');
         const watcher = chokidar_watch(getGlobPath('.'), options);
+        const watcherEvents = waitForEvents(watcher, 3);
         const spy1 = await aspy(watcher, EV.ALL);
 
         await delay();
         const watcher2 = chokidar_watch(currentDir, options2);
+        const watcher2Events = waitForEvents(watcher2, 5);
         const spy2 = await aspy(watcher2, EV.ALL);
 
         await fs_unlink(getFixturePath('unlink.txt'));
         await write(getFixturePath('change.txt'), dateNow());
-        await waitFor([spy1.withArgs(EV.UNLINK), spy2.withArgs(EV.UNLINK)]);
+        await Promise.all([watcherEvents, watcher2Events]);
         spy1.should.have.been.calledWith(EV.CHANGE, 'change.txt');
         spy1.should.have.been.calledWith(EV.UNLINK, 'unlink.txt');
         spy2.should.have.been.calledWith(EV.ADD, sysPath.join('..', 'change.txt'));