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1# @nodelib/fs.scandir
2
3> List files and directories inside the specified directory.
4
5## :bulb: Highlights
6
7The package is aimed at obtaining information about entries in the directory.
8
9* :moneybag: Returns useful information: `name`, `path`, `dirent` and `stats` (optional).
10* :gear: On Node.js 10.10+ uses the mechanism without additional calls to determine the entry type. See [`old` and `modern` mode](#old-and-modern-mode).
11* :link: Can safely work with broken symbolic links.
12
13## Install
14
15```console
16npm install @nodelib/fs.scandir
17```
18
19## Usage
20
21```ts
22import * as fsScandir from '@nodelib/fs.scandir';
23
24fsScandir.scandir('path', (error, stats) => { /* … */ });
25```
26
27## API
28
29### .scandir(path, [optionsOrSettings], callback)
30
31Returns an array of plain objects ([`Entry`](#entry)) with information about entry for provided path with standard callback-style.
32
33```ts
34fsScandir.scandir('path', (error, entries) => { /* … */ });
35fsScandir.scandir('path', {}, (error, entries) => { /* … */ });
36fsScandir.scandir('path', new fsScandir.Settings(), (error, entries) => { /* … */ });
37```
38
39### .scandirSync(path, [optionsOrSettings])
40
41Returns an array of plain objects ([`Entry`](#entry)) with information about entry for provided path.
42
43```ts
44const entries = fsScandir.scandirSync('path');
45const entries = fsScandir.scandirSync('path', {});
46const entries = fsScandir.scandirSync(('path', new fsScandir.Settings());
47```
48
49#### path
50
51* Required: `true`
52* Type: `string | Buffer | URL`
53
54A path to a file. If a URL is provided, it must use the `file:` protocol.
55
56#### optionsOrSettings
57
58* Required: `false`
59* Type: `Options | Settings`
60* Default: An instance of `Settings` class
61
62An [`Options`](#options) object or an instance of [`Settings`](#settingsoptions) class.
63
64> :book: When you pass a plain object, an instance of the `Settings` class will be created automatically. If you plan to call the method frequently, use a pre-created instance of the `Settings` class.
65
66### Settings([options])
67
68A class of full settings of the package.
69
70```ts
71const settings = new fsScandir.Settings({ followSymbolicLinks: false });
72
73const entries = fsScandir.scandirSync('path', settings);
74```
75
76## Entry
77
78* `name` — The name of the entry (`unknown.txt`).
79* `path` — The path of the entry relative to call directory (`root/unknown.txt`).
80* `dirent` — An instance of [`fs.Dirent`](./src/types/index.ts) class. On Node.js below 10.10 will be emulated by [`DirentFromStats`](./src/utils/fs.ts) class.
81* `stats` (optional) — An instance of `fs.Stats` class.
82
83For example, the `scandir` call for `tools` directory with one directory inside:
84
85```ts
86{
87 dirent: Dirent { name: 'typedoc', /* … */ },
88 name: 'typedoc',
89 path: 'tools/typedoc'
90}
91```
92
93## Options
94
95### stats
96
97* Type: `boolean`
98* Default: `false`
99
100Adds an instance of `fs.Stats` class to the [`Entry`](#entry).
101
102> :book: Always use `fs.readdir` without the `withFileTypes` option. ??TODO??
103
104### followSymbolicLinks
105
106* Type: `boolean`
107* Default: `false`
108
109Follow symbolic links or not. Call `fs.stat` on symbolic link if `true`.
110
111### `throwErrorOnBrokenSymbolicLink`
112
113* Type: `boolean`
114* Default: `true`
115
116Throw an error when symbolic link is broken if `true` or safely use `lstat` call if `false`.
117
118### `pathSegmentSeparator`
119
120* Type: `string`
121* Default: `path.sep`
122
123By default, this package uses the correct path separator for your OS (`\` on Windows, `/` on Unix-like systems). But you can set this option to any separator character(s) that you want to use instead.
124
125### `fs`
126
127* Type: [`FileSystemAdapter`](./src/adapters/fs.ts)
128* Default: A default FS methods
129
130By default, the built-in Node.js module (`fs`) is used to work with the file system. You can replace any method with your own.
131
132```ts
133interface FileSystemAdapter {
134 lstat?: typeof fs.lstat;
135 stat?: typeof fs.stat;
136 lstatSync?: typeof fs.lstatSync;
137 statSync?: typeof fs.statSync;
138 readdir?: typeof fs.readdir;
139 readdirSync?: typeof fs.readdirSync;
140}
141
142const settings = new fsScandir.Settings({
143 fs: { lstat: fakeLstat }
144});
145```
146
147## `old` and `modern` mode
148
149This package has two modes that are used depending on the environment and parameters of use.
150
151### old
152
153* Node.js below `10.10` or when the `stats` option is enabled
154
155When working in the old mode, the directory is read first (`fs.readdir`), then the type of entries is determined (`fs.lstat` and/or `fs.stat` for symbolic links).
156
157### modern
158
159* Node.js 10.10+ and the `stats` option is disabled
160
161In the modern mode, reading the directory (`fs.readdir` with the `withFileTypes` option) is combined with obtaining information about its entries. An additional call for symbolic links (`fs.stat`) is still present.
162
163This mode makes fewer calls to the file system. It's faster.
164
165## Changelog
166
167See the [Releases section of our GitHub project](https://github.com/nodelib/nodelib/releases) for changelog for each release version.
168
169## License
170
171This software is released under the terms of the MIT license.
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