This commit is contained in:
tatianamac
2019-11-26 14:50:43 -08:00
parent 8a55660ed0
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The MIT License (MIT)
Copyright (c) Denis Malinochkin
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# @nodelib/fs.scandir
> List files and directories inside the specified directory.
## :bulb: Highlights
The package is aimed at obtaining information about entries in the directory.
* :moneybag: Returns useful information: `name`, `path`, `dirent` and `stats` (optional).
* :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).
* :link: Can safely work with broken symbolic links.
## Install
```console
npm install @nodelib/fs.scandir
```
## Usage
```ts
import * as fsScandir from '@nodelib/fs.scandir';
fsScandir.scandir('path', (error, stats) => { /* … */ });
```
## API
### .scandir(path, [optionsOrSettings], callback)
Returns an array of plain objects ([`Entry`](#entry)) with information about entry for provided path with standard callback-style.
```ts
fsScandir.scandir('path', (error, entries) => { /* … */ });
fsScandir.scandir('path', {}, (error, entries) => { /* … */ });
fsScandir.scandir('path', new fsScandir.Settings(), (error, entries) => { /* … */ });
```
### .scandirSync(path, [optionsOrSettings])
Returns an array of plain objects ([`Entry`](#entry)) with information about entry for provided path.
```ts
const entries = fsScandir.scandirSync('path');
const entries = fsScandir.scandirSync('path', {});
const entries = fsScandir.scandirSync(('path', new fsScandir.Settings());
```
#### path
* Required: `true`
* Type: `string | Buffer | URL`
A path to a file. If a URL is provided, it must use the `file:` protocol.
#### optionsOrSettings
* Required: `false`
* Type: `Options | Settings`
* Default: An instance of `Settings` class
An [`Options`](#options) object or an instance of [`Settings`](#settingsoptions) class.
> :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.
### Settings([options])
A class of full settings of the package.
```ts
const settings = new fsScandir.Settings({ followSymbolicLinks: false });
const entries = fsScandir.scandirSync('path', settings);
```
## Entry
* `name` — The name of the entry (`unknown.txt`).
* `path` — The path of the entry relative to call directory (`root/unknown.txt`).
* `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.
* `stats` (optional) — An instance of `fs.Stats` class.
For example, the `scandir` call for `tools` directory with one directory inside:
```ts
{
dirent: Dirent { name: 'typedoc', /* … */ },
name: 'typedoc',
path: 'tools/typedoc'
}
```
## Options
### stats
* Type: `boolean`
* Default: `false`
Adds an instance of `fs.Stats` class to the [`Entry`](#entry).
> :book: Always use `fs.readdir` without the `withFileTypes` option. ??TODO??
### followSymbolicLinks
* Type: `boolean`
* Default: `false`
Follow symbolic links or not. Call `fs.stat` on symbolic link if `true`.
### `throwErrorOnBrokenSymbolicLink`
* Type: `boolean`
* Default: `true`
Throw an error when symbolic link is broken if `true` or safely use `lstat` call if `false`.
### `pathSegmentSeparator`
* Type: `string`
* Default: `path.sep`
By 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.
### `fs`
* Type: [`FileSystemAdapter`](./src/adapters/fs.ts)
* Default: A default FS methods
By default, the built-in Node.js module (`fs`) is used to work with the file system. You can replace any method with your own.
```ts
interface FileSystemAdapter {
lstat?: typeof fs.lstat;
stat?: typeof fs.stat;
lstatSync?: typeof fs.lstatSync;
statSync?: typeof fs.statSync;
readdir?: typeof fs.readdir;
readdirSync?: typeof fs.readdirSync;
}
const settings = new fsScandir.Settings({
fs: { lstat: fakeLstat }
});
```
## `old` and `modern` mode
This package has two modes that are used depending on the environment and parameters of use.
### old
* Node.js below `10.10` or when the `stats` option is enabled
When 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).
### modern
* Node.js 10.10+ and the `stats` option is disabled
In 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.
This mode makes fewer calls to the file system. It's faster.
## Changelog
See the [Releases section of our GitHub project](https://github.com/nodelib/nodelib/releases) for changelog for each release version.
## License
This software is released under the terms of the MIT license.

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/// <reference types="node" />
import * as fs from 'fs';
export declare type FileSystemAdapter = {
lstat: typeof fs.lstat;
stat: typeof fs.stat;
lstatSync: typeof fs.lstatSync;
statSync: typeof fs.statSync;
readdir: typeof fs.readdir;
readdirSync: typeof fs.readdirSync;
};
export declare const FILE_SYSTEM_ADAPTER: FileSystemAdapter;
export declare function createFileSystemAdapter(fsMethods?: Partial<FileSystemAdapter>): FileSystemAdapter;
//# sourceMappingURL=fs.d.ts.map

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const fs = require("fs");
exports.FILE_SYSTEM_ADAPTER = {
lstat: fs.lstat,
stat: fs.stat,
lstatSync: fs.lstatSync,
statSync: fs.statSync,
readdir: fs.readdir,
readdirSync: fs.readdirSync
};
function createFileSystemAdapter(fsMethods) {
if (fsMethods === undefined) {
return exports.FILE_SYSTEM_ADAPTER;
}
return Object.assign(Object.assign({}, exports.FILE_SYSTEM_ADAPTER), fsMethods);
}
exports.createFileSystemAdapter = createFileSystemAdapter;

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/**
* IS `true` for Node.js 10.10 and greater.
*/
export declare const IS_SUPPORT_READDIR_WITH_FILE_TYPES: boolean;
//# sourceMappingURL=constants.d.ts.map

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const NODE_PROCESS_VERSION_PARTS = process.versions.node.split('.');
const MAJOR_VERSION = parseInt(NODE_PROCESS_VERSION_PARTS[0], 10);
const MINOR_VERSION = parseInt(NODE_PROCESS_VERSION_PARTS[1], 10);
const SUPPORTED_MAJOR_VERSION = 10;
const SUPPORTED_MINOR_VERSION = 10;
const IS_MATCHED_BY_MAJOR = MAJOR_VERSION > SUPPORTED_MAJOR_VERSION;
const IS_MATCHED_BY_MAJOR_AND_MINOR = MAJOR_VERSION === SUPPORTED_MAJOR_VERSION && MINOR_VERSION >= SUPPORTED_MINOR_VERSION;
/**
* IS `true` for Node.js 10.10 and greater.
*/
exports.IS_SUPPORT_READDIR_WITH_FILE_TYPES = IS_MATCHED_BY_MAJOR || IS_MATCHED_BY_MAJOR_AND_MINOR;

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import { FileSystemAdapter } from './adapters/fs';
import * as async from './providers/async';
import Settings, { Options } from './settings';
import { Dirent, Entry } from './types';
declare type AsyncCallback = async.AsyncCallback;
declare function scandir(path: string, callback: AsyncCallback): void;
declare function scandir(path: string, optionsOrSettings: Options | Settings, callback: AsyncCallback): void;
declare namespace scandir {
function __promisify__(path: string, optionsOrSettings?: Options | Settings): Promise<Entry[]>;
}
declare function scandirSync(path: string, optionsOrSettings?: Options | Settings): Entry[];
export { scandir, scandirSync, Settings, AsyncCallback, Dirent, Entry, FileSystemAdapter, Options };
//# sourceMappingURL=index.d.ts.map

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const async = require("./providers/async");
const sync = require("./providers/sync");
const settings_1 = require("./settings");
exports.Settings = settings_1.default;
function scandir(path, optionsOrSettingsOrCallback, callback) {
if (typeof optionsOrSettingsOrCallback === 'function') {
return async.read(path, getSettings(), optionsOrSettingsOrCallback);
}
async.read(path, getSettings(optionsOrSettingsOrCallback), callback);
}
exports.scandir = scandir;
function scandirSync(path, optionsOrSettings) {
const settings = getSettings(optionsOrSettings);
return sync.read(path, settings);
}
exports.scandirSync = scandirSync;
function getSettings(settingsOrOptions = {}) {
if (settingsOrOptions instanceof settings_1.default) {
return settingsOrOptions;
}
return new settings_1.default(settingsOrOptions);
}

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/// <reference types="node" />
import Settings from '../settings';
import { Entry } from '../types';
export declare type AsyncCallback = (err: NodeJS.ErrnoException, entries: Entry[]) => void;
export declare function read(directory: string, settings: Settings, callback: AsyncCallback): void;
export declare function readdirWithFileTypes(directory: string, settings: Settings, callback: AsyncCallback): void;
export declare function readdir(directory: string, settings: Settings, callback: AsyncCallback): void;
//# sourceMappingURL=async.d.ts.map

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const fsStat = require("@nodelib/fs.stat");
const rpl = require("run-parallel");
const constants_1 = require("../constants");
const utils = require("../utils");
function read(directory, settings, callback) {
if (!settings.stats && constants_1.IS_SUPPORT_READDIR_WITH_FILE_TYPES) {
return readdirWithFileTypes(directory, settings, callback);
}
return readdir(directory, settings, callback);
}
exports.read = read;
function readdirWithFileTypes(directory, settings, callback) {
settings.fs.readdir(directory, { withFileTypes: true }, (readdirError, dirents) => {
if (readdirError !== null) {
return callFailureCallback(callback, readdirError);
}
const entries = dirents.map((dirent) => ({
dirent,
name: dirent.name,
path: `${directory}${settings.pathSegmentSeparator}${dirent.name}`
}));
if (!settings.followSymbolicLinks) {
return callSuccessCallback(callback, entries);
}
const tasks = entries.map((entry) => makeRplTaskEntry(entry, settings));
rpl(tasks, (rplError, rplEntries) => {
if (rplError !== null) {
return callFailureCallback(callback, rplError);
}
callSuccessCallback(callback, rplEntries);
});
});
}
exports.readdirWithFileTypes = readdirWithFileTypes;
function makeRplTaskEntry(entry, settings) {
return (done) => {
if (!entry.dirent.isSymbolicLink()) {
return done(null, entry);
}
settings.fs.stat(entry.path, (statError, stats) => {
if (statError !== null) {
if (settings.throwErrorOnBrokenSymbolicLink) {
return done(statError);
}
return done(null, entry);
}
entry.dirent = utils.fs.createDirentFromStats(entry.name, stats);
return done(null, entry);
});
};
}
function readdir(directory, settings, callback) {
settings.fs.readdir(directory, (readdirError, names) => {
if (readdirError !== null) {
return callFailureCallback(callback, readdirError);
}
const filepaths = names.map((name) => `${directory}${settings.pathSegmentSeparator}${name}`);
const tasks = filepaths.map((filepath) => {
return (done) => fsStat.stat(filepath, settings.fsStatSettings, done);
});
rpl(tasks, (rplError, results) => {
if (rplError !== null) {
return callFailureCallback(callback, rplError);
}
const entries = [];
names.forEach((name, index) => {
const stats = results[index];
const entry = {
name,
path: filepaths[index],
dirent: utils.fs.createDirentFromStats(name, stats)
};
if (settings.stats) {
entry.stats = stats;
}
entries.push(entry);
});
callSuccessCallback(callback, entries);
});
});
}
exports.readdir = readdir;
function callFailureCallback(callback, error) {
callback(error);
}
function callSuccessCallback(callback, result) {
callback(null, result);
}

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import Settings from '../settings';
import { Entry } from '../types';
export declare function read(directory: string, settings: Settings): Entry[];
export declare function readdirWithFileTypes(directory: string, settings: Settings): Entry[];
export declare function readdir(directory: string, settings: Settings): Entry[];
//# sourceMappingURL=sync.d.ts.map

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const fsStat = require("@nodelib/fs.stat");
const constants_1 = require("../constants");
const utils = require("../utils");
function read(directory, settings) {
if (!settings.stats && constants_1.IS_SUPPORT_READDIR_WITH_FILE_TYPES) {
return readdirWithFileTypes(directory, settings);
}
return readdir(directory, settings);
}
exports.read = read;
function readdirWithFileTypes(directory, settings) {
const dirents = settings.fs.readdirSync(directory, { withFileTypes: true });
return dirents.map((dirent) => {
const entry = {
dirent,
name: dirent.name,
path: `${directory}${settings.pathSegmentSeparator}${dirent.name}`
};
if (entry.dirent.isSymbolicLink() && settings.followSymbolicLinks) {
try {
const stats = settings.fs.statSync(entry.path);
entry.dirent = utils.fs.createDirentFromStats(entry.name, stats);
}
catch (error) {
if (settings.throwErrorOnBrokenSymbolicLink) {
throw error;
}
}
}
return entry;
});
}
exports.readdirWithFileTypes = readdirWithFileTypes;
function readdir(directory, settings) {
const names = settings.fs.readdirSync(directory);
return names.map((name) => {
const entryPath = `${directory}${settings.pathSegmentSeparator}${name}`;
const stats = fsStat.statSync(entryPath, settings.fsStatSettings);
const entry = {
name,
path: entryPath,
dirent: utils.fs.createDirentFromStats(name, stats)
};
if (settings.stats) {
entry.stats = stats;
}
return entry;
});
}
exports.readdir = readdir;

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import * as fsStat from '@nodelib/fs.stat';
import * as fs from './adapters/fs';
export declare type Options = {
followSymbolicLinks?: boolean;
fs?: Partial<fs.FileSystemAdapter>;
pathSegmentSeparator?: string;
stats?: boolean;
throwErrorOnBrokenSymbolicLink?: boolean;
};
export default class Settings {
private readonly _options;
readonly followSymbolicLinks: boolean;
readonly fs: fs.FileSystemAdapter;
readonly pathSegmentSeparator: string;
readonly stats: boolean;
readonly throwErrorOnBrokenSymbolicLink: boolean;
readonly fsStatSettings: fsStat.Settings;
constructor(_options?: Options);
private _getValue;
}
//# sourceMappingURL=settings.d.ts.map

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const path = require("path");
const fsStat = require("@nodelib/fs.stat");
const fs = require("./adapters/fs");
class Settings {
constructor(_options = {}) {
this._options = _options;
this.followSymbolicLinks = this._getValue(this._options.followSymbolicLinks, false);
this.fs = fs.createFileSystemAdapter(this._options.fs);
this.pathSegmentSeparator = this._getValue(this._options.pathSegmentSeparator, path.sep);
this.stats = this._getValue(this._options.stats, false);
this.throwErrorOnBrokenSymbolicLink = this._getValue(this._options.throwErrorOnBrokenSymbolicLink, true);
this.fsStatSettings = new fsStat.Settings({
followSymbolicLink: this.followSymbolicLinks,
fs: this.fs,
throwErrorOnBrokenSymbolicLink: this.throwErrorOnBrokenSymbolicLink
});
}
_getValue(option, value) {
return option === undefined ? value : option;
}
}
exports.default = Settings;

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/// <reference types="node" />
import * as fs from 'fs';
export declare type Entry = {
dirent: Dirent;
name: string;
path: string;
stats?: Stats;
};
export declare type Stats = fs.Stats;
export declare type Dirent = {
isBlockDevice(): boolean;
isCharacterDevice(): boolean;
isDirectory(): boolean;
isFIFO(): boolean;
isFile(): boolean;
isSocket(): boolean;
isSymbolicLink(): boolean;
name: string;
};
//# sourceMappingURL=index.d.ts.map

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });

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import { Dirent, Stats } from '../types';
export declare function createDirentFromStats(name: string, stats: Stats): Dirent;
//# sourceMappingURL=fs.d.ts.map

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
class DirentFromStats {
constructor(name, stats) {
this.name = name;
this.isBlockDevice = stats.isBlockDevice.bind(stats);
this.isCharacterDevice = stats.isCharacterDevice.bind(stats);
this.isDirectory = stats.isDirectory.bind(stats);
this.isFIFO = stats.isFIFO.bind(stats);
this.isFile = stats.isFile.bind(stats);
this.isSocket = stats.isSocket.bind(stats);
this.isSymbolicLink = stats.isSymbolicLink.bind(stats);
}
}
function createDirentFromStats(name, stats) {
return new DirentFromStats(name, stats);
}
exports.createDirentFromStats = createDirentFromStats;

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import * as fs from './fs';
export { fs };
//# sourceMappingURL=index.d.ts.map

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const fs = require("./fs");
exports.fs = fs;

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{
"_args": [
[
"@nodelib/fs.scandir@2.1.3",
"/Users/tatiana/selfdefined"
]
],
"_from": "@nodelib/fs.scandir@2.1.3",
"_id": "@nodelib/fs.scandir@2.1.3",
"_inBundle": false,
"_integrity": "sha512-eGmwYQn3gxo4r7jdQnkrrN6bY478C3P+a/y72IJukF8LjB6ZHeB3c+Ehacj3sYeSmUXGlnA67/PmbM9CVwL7Dw==",
"_location": "/@nodelib/fs.scandir",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "@nodelib/fs.scandir@2.1.3",
"name": "@nodelib/fs.scandir",
"escapedName": "@nodelib%2ffs.scandir",
"scope": "@nodelib",
"rawSpec": "2.1.3",
"saveSpec": null,
"fetchSpec": "2.1.3"
},
"_requiredBy": [
"/@nodelib/fs.walk"
],
"_resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.3.tgz",
"_spec": "2.1.3",
"_where": "/Users/tatiana/selfdefined",
"dependencies": {
"@nodelib/fs.stat": "2.0.3",
"run-parallel": "^1.1.9"
},
"description": "List files and directories inside the specified directory",
"engines": {
"node": ">= 8"
},
"gitHead": "3b1ef7554ad7c061b3580858101d483fba847abf",
"keywords": [
"NodeLib",
"fs",
"FileSystem",
"file system",
"scandir",
"readdir",
"dirent"
],
"license": "MIT",
"main": "out/index.js",
"name": "@nodelib/fs.scandir",
"repository": {
"type": "git",
"url": "https://github.com/nodelib/nodelib/tree/master/packages/fs/fs.scandir"
},
"scripts": {
"build": "npm run clean && npm run compile && npm run lint && npm test",
"clean": "rimraf {tsconfig.tsbuildinfo,out}",
"compile": "tsc -b .",
"compile:watch": "tsc -p . --watch --sourceMap",
"lint": "eslint \"src/**/*.ts\" --cache",
"test": "mocha \"out/**/*.spec.js\" -s 0",
"watch": "npm run clean && npm run compile:watch"
},
"typings": "out/index.d.ts",
"version": "2.1.3"
}