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MIT License
Copyright (c) 2010 - present, Remy Sharp, https://remysharp.com <remy@remysharp.com>
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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<p align="center">
<a href="https://nodemon.io/"><img src="https://user-images.githubusercontent.com/13700/35731649-652807e8-080e-11e8-88fd-1b2f6d553b2d.png" alt="Nodemon Logo"></a>
</p>
# nodemon
nodemon is a tool that helps develop Node.js based applications by automatically restarting the node application when file changes in the directory are detected.
nodemon does **not** require *any* additional changes to your code or method of development. nodemon is a replacement wrapper for `node`. To use `nodemon`, replace the word `node` on the command line when executing your script.
[![NPM version](https://badge.fury.io/js/nodemon.svg)](https://npmjs.org/package/nodemon)
[![Backers on Open Collective](https://opencollective.com/nodemon/backers/badge.svg)](#backers) [![Sponsors on Open Collective](https://opencollective.com/nodemon/sponsors/badge.svg)](#sponsors)
# Installation
Either through cloning with git or by using [npm](http://npmjs.org) (the recommended way):
```bash
npm install -g nodemon # or using yarn: yarn global add nodemon
```
And nodemon will be installed globally to your system path.
You can also install nodemon as a development dependency:
```bash
npm install --save-dev nodemon # or using yarn: yarn add nodemon -D
```
With a local installation, nodemon will not be available in your system path or you can't use it directly from the command line. Instead, the local installation of nodemon can be run by calling it from within an npm script (such as `npm start`) or using `npx nodemon`.
# Usage
nodemon wraps your application, so you can pass all the arguments you would normally pass to your app:
```bash
nodemon [your node app]
```
For CLI options, use the `-h` (or `--help`) argument:
```bash
nodemon -h
```
Using nodemon is simple, if my application accepted a host and port as the arguments, I would start it as so:
```bash
nodemon ./server.js localhost 8080
```
Any output from this script is prefixed with `[nodemon]`, otherwise all output from your application, errors included, will be echoed out as expected.
You can also pass the `inspect` flag to node through the command line as you would normally:
```bash
nodemon --inspect ./server.js 80
```
If you have a `package.json` file for your app, you can omit the main script entirely and nodemon will read the `package.json` for the `main` property and use that value as the app ([ref](https://github.com/remy/nodemon/issues/14)).
nodemon will also search for the `scripts.start` property in `package.json` (as of nodemon 1.1.x).
Also check out the [FAQ](https://github.com/remy/nodemon/blob/master/faq.md) or [issues](https://github.com/remy/nodemon/issues) for nodemon.
## Automatic re-running
nodemon was originally written to restart hanging processes such as web servers, but now supports apps that cleanly exit. If your script exits cleanly, nodemon will continue to monitor the directory (or directories) and restart the script if there are any changes.
## Manual restarting
Whilst nodemon is running, if you need to manually restart your application, instead of stopping and restart nodemon, you can type `rs` with a carriage return, and nodemon will restart your process.
## Config files
nodemon supports local and global configuration files. These are usually named `nodemon.json` and can be located in the current working directory or in your home directory. An alternative local configuration file can be specified with the `--config <file>` option.
The specificity is as follows, so that a command line argument will always override the config file settings:
- command line arguments
- local config
- global config
A config file can take any of the command line arguments as JSON key values, for example:
```json
{
"verbose": true,
"ignore": ["*.test.js", "**/fixtures/**"],
"execMap": {
"rb": "ruby",
"pde": "processing --sketch={{pwd}} --run"
}
}
```
The above `nodemon.json` file might be my global config so that I have support for ruby files and processing files, and I can run `nodemon demo.pde` and nodemon will automatically know how to run the script even though out of the box support for processing scripts.
A further example of options can be seen in [sample-nodemon.md](https://github.com/remy/nodemon/blob/master/doc/sample-nodemon.md)
### package.json
If you want to keep all your package configurations in one place, nodemon supports using `package.json` for configuration.
Specify the config in the same format as you would for a config file but under `nodemonConfig` in the `package.json` file, for example, take the following `package.json`:
```json
{
"name": "nodemon",
"homepage": "http://nodemon.io",
"...": "... other standard package.json values",
"nodemonConfig": {
"ignore": ["**/test/**", "**/docs/**"],
"delay": 2500
}
}
```
Note that if you specify a `--config` file or provide a local `nodemon.json` any `package.json` config is ignored.
*This section needs better documentation, but for now you can also see `nodemon --help config` ([also here](https://github.com/remy/nodemon/blob/master/doc/cli/config.txt))*.
## Using nodemon as a module
Please see [doc/requireable.md](doc/requireable.md)
## Using nodemon as child process
Please see [doc/events.md](doc/events.md#Using_nodemon_as_child_process)
## Running non-node scripts
nodemon can also be used to execute and monitor other programs. nodemon will read the file extension of the script being run and monitor that extension instead of `.js` if there's no `nodemon.json`:
```bash
nodemon --exec "python -v" ./app.py
```
Now nodemon will run `app.py` with python in verbose mode (note that if you're not passing args to the exec program, you don't need the quotes), and look for new or modified files with the `.py` extension.
### Default executables
Using the `nodemon.json` config file, you can define your own default executables using the `execMap` property. This is particularly useful if you're working with a language that isn't supported by default by nodemon.
To add support for nodemon to know about the `.pl` extension (for Perl), the `nodemon.json` file would add:
```json
{
"execMap": {
"pl": "perl"
}
}
```
Now running the following, nodemon will know to use `perl` as the executable:
```bash
nodemon script.pl
```
It's generally recommended to use the global `nodemon.json` to add your own `execMap` options. However, if there's a common default that's missing, this can be merged in to the project so that nodemon supports it by default, by changing [default.js](https://github.com/remy/nodemon/blob/master/lib/config/defaults.js) and sending a pull request.
## Monitoring multiple directories
By default nodemon monitors the current working directory. If you want to take control of that option, use the `--watch` option to add specific paths:
```bash
nodemon --watch app --watch libs app/server.js
```
Now nodemon will only restart if there are changes in the `./app` or `./libs` directory. By default nodemon will traverse sub-directories, so there's no need in explicitly including sub-directories.
Nodemon also supports unix globbing, e.g `--watch './lib/*'`. The globbing pattern must be quoted. For advanced globbing, [see `picomatch` documentation](https://github.com/micromatch/picomatch#advanced-globbing), the library that nodemon uses through `chokidar` (which in turn uses it through `anymatch`).
## Specifying extension watch list
By default, nodemon looks for files with the `.js`, `.mjs`, `.coffee`, `.litcoffee`, and `.json` extensions. If you use the `--exec` option and monitor `app.py` nodemon will monitor files with the extension of `.py`. However, you can specify your own list with the `-e` (or `--ext`) switch like so:
```bash
nodemon -e js,pug
```
Now nodemon will restart on any changes to files in the directory (or subdirectories) with the extensions `.js`, `.pug`.
## Ignoring files
By default, nodemon will only restart when a `.js` JavaScript file changes. In some cases you will want to ignore some specific files, directories or file patterns, to prevent nodemon from prematurely restarting your application.
This can be done via the command line:
```bash
nodemon --ignore lib/ --ignore tests/
```
Or specific files can be ignored:
```bash
nodemon --ignore lib/app.js
```
Patterns can also be ignored (but be sure to quote the arguments):
```bash
nodemon --ignore 'lib/*.js'
```
**Important** the ignore rules are patterns matched to the full absolute path, and this determines how many files are monitored. If using a wild card glob pattern, it needs to be used as `**` or omitted entirely. For example, `nodemon --ignore '**/test/**'` will work, whereas `--ignore '*/test/*'` will not.
Note that by default, nodemon will ignore the `.git`, `node_modules`, `bower_components`, `.nyc_output`, `coverage` and `.sass-cache` directories and *add* your ignored patterns to the list. If you want to indeed watch a directory like `node_modules`, you need to [override the underlying default ignore rules](https://github.com/remy/nodemon/blob/master/faq.md#overriding-the-underlying-default-ignore-rules).
## Application isn't restarting
In some networked environments (such as a container running nodemon reading across a mounted drive), you will need to use the `legacyWatch: true` which enables Chokidar's polling.
Via the CLI, use either `--legacy-watch` or `-L` for short:
```bash
nodemon -L
```
Though this should be a last resort as it will poll every file it can find.
## Delaying restarting
In some situations, you may want to wait until a number of files have changed. The timeout before checking for new file changes is 1 second. If you're uploading a number of files and it's taking some number of seconds, this could cause your app to restart multiple times unnecessarily.
To add an extra throttle, or delay restarting, use the `--delay` command:
```bash
nodemon --delay 10 server.js
```
For more precision, milliseconds can be specified. Either as a float:
```bash
nodemon --delay 2.5 server.js
```
Or using the time specifier (ms):
```bash
nodemon --delay 2500ms server.js
```
The delay figure is number of seconds (or milliseconds, if specified) to delay before restarting. So nodemon will only restart your app the given number of seconds after the *last* file change.
If you are setting this value in `nodemon.json`, the value will always be interpreted in milliseconds. E.g., the following are equivalent:
```bash
nodemon --delay 2.5
{
"delay": 2500
}
```
## Gracefully reloading down your script
It is possible to have nodemon send any signal that you specify to your application.
```bash
nodemon --signal SIGHUP server.js
```
Your application can handle the signal as follows.
```js
process.on("SIGHUP", function () {
reloadSomeConfiguration();
process.kill(process.pid, "SIGTERM");
})
```
Please note that nodemon will send this signal to every process in the process tree.
If you are using `cluster`, then each workers (as well as the master) will receive the signal. If you wish to terminate all workers on receiving a `SIGHUP`, a common pattern is to catch the `SIGHUP` in the master, and forward `SIGTERM` to all workers, while ensuring that all workers ignore `SIGHUP`.
```js
if (cluster.isMaster) {
process.on("SIGHUP", function () {
for (const worker of Object.values(cluster.workers)) {
worker.process.kill("SIGTERM");
}
});
} else {
process.on("SIGHUP", function() {})
}
```
## Controlling shutdown of your script
nodemon sends a kill signal to your application when it sees a file update. If you need to clean up on shutdown inside your script you can capture the kill signal and handle it yourself.
The following example will listen once for the `SIGUSR2` signal (used by nodemon to restart), run the clean up process and then kill itself for nodemon to continue control:
```js
// important to use `on` and not `once` as nodemon can re-send the kill signal
process.on('SIGUSR2', function () {
gracefulShutdown(function () {
process.kill(process.pid, 'SIGTERM');
});
});
```
Note that the `process.kill` is *only* called once your shutdown jobs are complete. Hat tip to [Benjie Gillam](http://www.benjiegillam.com/2011/08/node-js-clean-restart-and-faster-development-with-nodemon/) for writing this technique up.
## Triggering events when nodemon state changes
If you want growl like notifications when nodemon restarts or to trigger an action when an event happens, then you can either `require` nodemon or add event actions to your `nodemon.json` file.
For example, to trigger a notification on a Mac when nodemon restarts, `nodemon.json` looks like this:
```json
{
"events": {
"restart": "osascript -e 'display notification \"app restarted\" with title \"nodemon\"'"
}
}
```
A full list of available events is listed on the [event states wiki](https://github.com/remy/nodemon/wiki/Events#states). Note that you can bind to both states and messages.
## Pipe output to somewhere else
```js
nodemon({
script: ...,
stdout: false // important: this tells nodemon not to output to console
}).on('readable', function() { // the `readable` event indicates that data is ready to pick up
this.stdout.pipe(fs.createWriteStream('output.txt'));
this.stderr.pipe(fs.createWriteStream('err.txt'));
});
```
## Using nodemon in your gulp workflow
Check out the [gulp-nodemon](https://github.com/JacksonGariety/gulp-nodemon) plugin to integrate nodemon with the rest of your project's gulp workflow.
## Using nodemon in your Grunt workflow
Check out the [grunt-nodemon](https://github.com/ChrisWren/grunt-nodemon) plugin to integrate nodemon with the rest of your project's grunt workflow.
## Pronunciation
> nodemon, is it pronounced: node-mon, no-demon or node-e-mon (like pokémon)?
Well...I've been asked this many times before. I like that I've been asked this before. There's been bets as to which one it actually is.
The answer is simple, but possibly frustrating. I'm not saying (how I pronounce it). It's up to you to call it as you like. All answers are correct :)
## Design principles
- Fewer flags is better
- Works across all platforms
- Fewer features
- Let individuals build on top of nodemon
- Offer all CLI functionality as an API
- Contributions must have and pass tests
Nodemon is not perfect, and CLI arguments has sprawled beyond where I'm completely happy, but perhaps it can be reduced a little one day.
## FAQ
See the [FAQ](https://github.com/remy/nodemon/blob/master/faq.md) and please add your own questions if you think they would help others.
## Backers
Thank you to all [our backers](https://opencollective.com/nodemon#backer)! 🙏
[![nodemon backers](https://opencollective.com/nodemon/backers.svg?width=890)](https://opencollective.com/nodemon#backers)
## Sponsors
Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Sponsor this project today ❤️](https://opencollective.com/nodemon#sponsor)
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</div>
Please note that links to the sponsors above are not direct endorsements nor affiliated with any of contributors of the nodemon project.
# License
MIT [http://rem.mit-license.org](http://rem.mit-license.org)

16
node_modules/nodemon/bin/nodemon.js generated vendored Executable file
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#!/usr/bin/env node
const cli = require('../lib/cli');
const nodemon = require('../lib/');
const options = cli.parse(process.argv);
nodemon(options);
const fs = require('fs');
// checks for available update and returns an instance
const pkg = JSON.parse(fs.readFileSync(__dirname + '/../package.json'));
if (pkg.version.indexOf('0.0.0') !== 0 && options.noUpdateNotifier !== true) {
require('simple-update-notifier')({ pkg });
}

BIN
node_modules/nodemon/bin/windows-kill.exe generated vendored Normal file

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8
node_modules/nodemon/doc/cli/authors.txt generated vendored Normal file
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Remy Sharp - author and maintainer
https://github.com/remy
https://twitter.com/rem
Contributors: https://github.com/remy/nodemon/graphs/contributors ❤︎
Please help make nodemon better: https://github.com/remy/nodemon/

44
node_modules/nodemon/doc/cli/config.txt generated vendored Normal file
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Typically the options to control nodemon are passed in via the CLI and are
listed under: nodemon --help options
nodemon can also be configured via a local and global config file:
* $HOME/nodemon.json
* $PWD/nodemon.json OR --config <file>
* nodemonConfig in package.json
All config options in the .json file map 1-to-1 with the CLI options, so a
config could read as:
{
"ext": "*.pde",
"verbose": true,
"exec": "processing --sketch=game --run"
}
There are a limited number of variables available in the config (since you
could use backticks on the CLI to use a variable, backticks won't work in
the .json config).
* {{pwd}} - the current directory
* {{filename}} - the filename you pass to nodemon
For example:
{
"ext": "*.pde",
"verbose": true,
"exec": "processing --sketch={{pwd}} --run"
}
The global config file is useful for setting up default executables
instead of repeating the same option in each of your local configs:
{
"verbose": true,
"execMap": {
"rb": "ruby",
"pde": "processing --sketch={{pwd}} --run"
}
}

29
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Usage: nodemon [options] [script.js] [args]
Options:
--config file ............ alternate nodemon.json config file to use
-e, --ext ................ extensions to look for, ie. js,pug,hbs.
-x, --exec app ........... execute script with "app", ie. -x "python -v".
-w, --watch path ......... watch directory "path" or files. use once for
each directory or file to watch.
-i, --ignore ............. ignore specific files or directories.
-V, --verbose ............ show detail on what is causing restarts.
-- <your args> ........... to tell nodemon stop slurping arguments.
Note: if the script is omitted, nodemon will try to read "main" from
package.json and without a nodemon.json, nodemon will monitor .js, .mjs, .coffee,
.litcoffee, and .json by default.
For advanced nodemon configuration use nodemon.json: nodemon --help config
See also the sample: https://github.com/remy/nodemon/wiki/Sample-nodemon.json
Examples:
$ nodemon server.js
$ nodemon -w ../foo server.js apparg1 apparg2
$ nodemon --exec python app.py
$ nodemon --exec "make build" -e "styl hbs"
$ nodemon app.js -- --config # pass config to app.js
\x1B[1mAll options are documented under: \x1B[4mnodemon --help options\x1B[0m

20
node_modules/nodemon/doc/cli/logo.txt generated vendored Normal file
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KMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN
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KMMMMMMMMMMMNk:. :xNMMMMMMMMMMMW
KMMMMMMMMMMK OMMMMMMMMMMW
KMMMMMMMMMMO xMMMMMMMMMMN
KMMMMMMMMMMO xMMMMMMMMMMN
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KMMMMMW0o' .lOWMMMMMN
KMMKd; ,oKMMN
kX: ,K0

36
node_modules/nodemon/doc/cli/options.txt generated vendored Normal file
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Configuration
--config <file> .......... alternate nodemon.json config file to use
--exitcrash .............. exit on crash, allows nodemon to work with other watchers
-i, --ignore ............. ignore specific files or directories
--no-colors .............. disable color output
--signal <signal> ........ use specified kill signal instead of default (ex. SIGTERM)
-w, --watch path ......... watch directory "dir" or files. use once for each
directory or file to watch
--no-update-notifier ..... opt-out of update version check
Execution
-C, --on-change-only ..... execute script on change only, not startup
--cwd <dir> .............. change into <dir> before running the script
-e, --ext ................ extensions to look for, ie. "js,pug,hbs"
-I, --no-stdin ........... nodemon passes stdin directly to child process
--spawn .................. force nodemon to use spawn (over fork) [node only]
-x, --exec app ........... execute script with "app", ie. -x "python -v"
-- <your args> ........... to tell nodemon stop slurping arguments
Watching
-d, --delay n ............ debounce restart for "n" seconds
-L, --legacy-watch ....... use polling to watch for changes (typically needed
when watching over a network/Docker)
-P, --polling-interval ... combined with -L, milliseconds to poll for (default 100)
Information
--dump ................... print full debug configuration
-h, --help ............... default help
--help <topic> ........... help on a specific feature. Try "--help topics"
-q, --quiet .............. minimise nodemon messages to start/stop only
-v, --version ............ current nodemon version
-V, --verbose ............ show detail on what is causing restarts
> Note that any unrecognised arguments are passed to the executing command.

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options .................. show all available nodemon options
config ................... default config options using nodemon.json
authors .................. contributors to this project
logo ..................... <3
whoami ................... I, AM, NODEMON \o/
Please support https://github.com/remy/nodemon/

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Usage: nodemon [nodemon options] [script.js] [args]
See "nodemon --help" for more.

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__/\\\\\_____/\\\_______/\\\\\_______/\\\\\\\\\\\\_____/\\\\\\\\\\\\\\\__/\\\\____________/\\\\_______/\\\\\_______/\\\\\_____/\\\_
_\/\\\\\\___\/\\\_____/\\\///\\\____\/\\\////////\\\__\/\\\///////////__\/\\\\\\________/\\\\\\_____/\\\///\\\____\/\\\\\\___\/\\\_
_\/\\\/\\\__\/\\\___/\\\/__\///\\\__\/\\\______\//\\\_\/\\\_____________\/\\\//\\\____/\\\//\\\___/\\\/__\///\\\__\/\\\/\\\__\/\\\_
_\/\\\//\\\_\/\\\__/\\\______\//\\\_\/\\\_______\/\\\_\/\\\\\\\\\\\_____\/\\\\///\\\/\\\/_\/\\\__/\\\______\//\\\_\/\\\//\\\_\/\\\_
_\/\\\\//\\\\/\\\_\/\\\_______\/\\\_\/\\\_______\/\\\_\/\\\///////______\/\\\__\///\\\/___\/\\\_\/\\\_______\/\\\_\/\\\\//\\\\/\\\_
_\/\\\_\//\\\/\\\_\//\\\______/\\\__\/\\\_______\/\\\_\/\\\_____________\/\\\____\///_____\/\\\_\//\\\______/\\\__\/\\\_\//\\\/\\\_
_\/\\\__\//\\\\\\__\///\\\__/\\\____\/\\\_______/\\\__\/\\\_____________\/\\\_____________\/\\\__\///\\\__/\\\____\/\\\__\//\\\\\\_
_\/\\\___\//\\\\\____\///\\\\\/_____\/\\\\\\\\\\\\/___\/\\\\\\\\\\\\\\\_\/\\\_____________\/\\\____\///\\\\\/_____\/\\\___\//\\\\\_
_\///_____\/////_______\/////_______\////////////_____\///////////////__\///______________\///_______\/////_______\///_____\/////__

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import type { WatchOptions } from 'chokidar';
export type NodemonEventHandler =
| 'start'
| 'crash'
| 'exit'
| 'quit'
| 'restart'
| 'config:update'
| 'log'
| 'readable'
| 'stdout'
| 'stderr';
export type NodemonEventListener = {
on(event: 'start' | 'crash' | 'readable', listener: () => void): Nodemon;
on(event: 'log', listener: (e: NodemonEventLog) => void): Nodemon;
on(event: 'stdout' | 'stderr', listener: (e: string) => void): Nodemon;
on(event: 'restart', listener: (files?: string[]) => void): Nodemon;
on(event: 'quit', listener: (e?: NodemonEventQuit) => void): Nodemon;
on(event: 'exit', listener: (e?: number) => void): Nodemon;
on(
event: 'config:update',
listener: (e?: NodemonEventConfig) => void,
): Nodemon;
};
export type NodemonEventLog = {
/**
- detail: what you get with nodemon --verbose.
- status: subprocess starting, restarting.
- fail: is the subprocess crashing.
- error: is a nodemon system error.
*/
type: 'detail' | 'log' | 'status' | 'error' | 'fail';
/** the plain text message */
message: string;
/** contains the terminal escape codes to add colour, plus the "[nodemon]" prefix */
colour: string;
};
export type NodemonEventQuit = 143 | 130;
export type NodemonEventConfig = {
run: boolean;
system: {
cwd: string;
};
required: boolean;
dirs: string[];
timeout: number;
options: NodemonConfig;
lastStarted: number;
loaded: string[];
load: (
settings: NodemonSettings,
ready: (config: NodemonEventConfig) => void,
) => void;
reset: () => void;
};
export interface NodemonExecOptions {
script: string;
scriptPosition?: number;
args?: string[];
ext?: string; // "js,mjs" etc (should really support an array of strings, but I don't think it does right now)
exec?: string; // node, python, etc
execArgs?: string[]; // args passed to node, etc,
nodeArgs?: string[]; // args passed to node, etc,
}
export interface NodemonConfig {
/** restartable defaults to "rs" as a string the user enters */
restartable?: false | string;
colours?: boolean;
execMap?: { [key: string]: string };
ignoreRoot?: string[];
watch?: string[];
ignore?: string[];
stdin?: boolean;
runOnChangeOnly?: boolean;
verbose?: boolean;
signal?: string;
stdout?: boolean;
watchOptions?: WatchOptions;
help?: string;
version?: boolean;
cwd?: string;
dump?: boolean;
delay?: number;
monitor?: string[];
spawn?: boolean;
noUpdateNotifier?: boolean;
legacyWatch?: boolean;
pollingInterval?: number;
/** @deprecated as this is "on" by default */
js?: boolean;
quiet?: boolean;
configFile?: string;
exitCrash?: boolean;
execOptions?: NodemonExecOptions;
}
export interface NodemonSettings extends NodemonConfig, NodemonExecOptions {
events?: Record<string, string>;
env?: Record<string, string>;
}
export type Nodemon = {
(settings: NodemonSettings): Nodemon;
removeAllListeners(event: NodemonEventHandler): Nodemon;
emit(type: NodemonEventHandler, event?: any): Nodemon;
reset(callback: Function): Nodemon;
restart(): Nodemon;
config: NodemonSettings;
} & NodemonEventListener & {
[K in keyof NodemonEventListener as 'addListener']: NodemonEventListener[K];
} & {
[K in keyof NodemonEventListener as 'once']: NodemonEventListener[K];
};
declare const nodemon: Nodemon;
export = nodemon;

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{
"compilerOptions": {
"typeRoots": ["./index.d.ts", "./node_modules/@types"],
"checkJs": true
},
"exclude": ["node_modules"]
}

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var parse = require('./parse');
/**
* Converts a string to command line args, in particular
* groups together quoted values.
* This is a utility function to allow calling nodemon as a required
* library, but with the CLI args passed in (instead of an object).
*
* @param {String} string
* @return {Array}
*/
function stringToArgs(string) {
var args = [];
var parts = string.split(' ');
var length = parts.length;
var i = 0;
var open = false;
var grouped = '';
var lead = '';
for (; i < length; i++) {
lead = parts[i].substring(0, 1);
if (lead === '"' || lead === '\'') {
open = lead;
grouped = parts[i].substring(1);
} else if (open && parts[i].slice(-1) === open) {
open = false;
grouped += ' ' + parts[i].slice(0, -1);
args.push(grouped);
} else if (open) {
grouped += ' ' + parts[i];
} else {
args.push(parts[i]);
}
}
return args;
}
module.exports = {
parse: function (argv) {
if (typeof argv === 'string') {
argv = stringToArgs(argv);
}
return parse(argv);
},
};

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/*
nodemon is a utility for node, and replaces the use of the executable
node. So the user calls `nodemon foo.js` instead.
nodemon can be run in a number of ways:
`nodemon` - tries to use package.json#main property to run
`nodemon` - if no package, looks for index.js
`nodemon app.js` - runs app.js
`nodemon --arg app.js --apparg` - eats arg1, and runs app.js with apparg
`nodemon --apparg` - as above, but passes apparg to package.json#main (or
index.js)
`nodemon --debug app.js
*/
var fs = require('fs');
var path = require('path');
var existsSync = fs.existsSync || path.existsSync;
module.exports = parse;
/**
* Parses the command line arguments `process.argv` and returns the
* nodemon options, the user script and the executable script.
*
* @param {Array<string> | string} argv full process arguments, including `node` leading arg
* @return {Object} { options, script, args }
*/
function parse(argv) {
if (typeof argv === 'string') {
argv = argv.split(' ');
}
var eat = function (i, args) {
if (i <= args.length) {
return args.splice(i + 1, 1).pop();
}
};
var args = argv.slice(2);
var script = null;
var nodemonOptions = { scriptPosition: null };
var nodemonOpt = nodemonOption.bind(null, nodemonOptions);
var lookForArgs = true;
// move forward through the arguments
for (var i = 0; i < args.length; i++) {
// if the argument looks like a file, then stop eating
if (!script) {
if (args[i] === '.' || existsSync(args[i])) {
script = args.splice(i, 1).pop();
// we capture the position of the script because we'll reinsert it in
// the right place in run.js:command (though I'm not sure we should even
// take it out of the array in the first place, but this solves passing
// arguments to the exec process for now).
nodemonOptions.scriptPosition = i;
i--;
continue;
}
}
if (lookForArgs) {
// respect the standard way of saying: hereafter belongs to my script
if (args[i] === '--') {
args.splice(i, 1);
nodemonOptions.scriptPosition = i;
// cycle back one argument, as we just ate this one up
i--;
// ignore all further nodemon arguments
lookForArgs = false;
// move to the next iteration
continue;
}
if (nodemonOpt(args[i], eat.bind(null, i, args)) !== false) {
args.splice(i, 1);
// cycle back one argument, as we just ate this one up
i--;
}
}
}
nodemonOptions.script = script;
nodemonOptions.args = args;
return nodemonOptions;
}
/**
* Given an argument (ie. from process.argv), sets nodemon
* options and can eat up the argument value
*
* @param {import('../..').NodemonSettings} options object that will be updated
* @param {String} arg current argument from argv
* @param {Function} eatNext the callback to eat up the next argument in argv
* @return {Boolean} false if argument was not a nodemon arg
*/
function nodemonOption(options, arg, eatNext) {
// line separation on purpose to help legibility
if (arg === '--help' || arg === '-h' || arg === '-?') {
var help = eatNext();
options.help = help ? help : true;
} else
if (arg === '--version' || arg === '-v') {
options.version = true;
} else
if (arg === '--no-update-notifier') {
options.noUpdateNotifier = true;
} else
if (arg === '--spawn') {
options.spawn = true;
} else
if (arg === '--dump') {
options.dump = true;
} else
if (arg === '--verbose' || arg === '-V') {
options.verbose = true;
} else
if (arg === '--legacy-watch' || arg === '-L') {
options.legacyWatch = true;
} else
if (arg === '--polling-interval' || arg === '-P') {
options.pollingInterval = parseInt(eatNext(), 10);
} else
// Depricated as this is "on" by default
if (arg === '--js') {
options.js = true;
} else
if (arg === '--quiet' || arg === '-q') {
options.quiet = true;
} else
if (arg === '--config') {
options.configFile = eatNext();
} else
if (arg === '--watch' || arg === '-w') {
if (!options.watch) { options.watch = []; }
options.watch.push(eatNext());
} else
if (arg === '--ignore' || arg === '-i') {
if (!options.ignore) { options.ignore = []; }
options.ignore.push(eatNext());
} else
if (arg === '--exitcrash') {
options.exitCrash = true;
} else
if (arg === '--delay' || arg === '-d') {
options.delay = parseDelay(eatNext());
} else
if (arg === '--exec' || arg === '-x') {
options.exec = eatNext();
} else
if (arg === '--no-stdin' || arg === '-I') {
options.stdin = false;
} else
if (arg === '--on-change-only' || arg === '-C') {
options.runOnChangeOnly = true;
} else
if (arg === '--ext' || arg === '-e') {
options.ext = eatNext();
} else
if (arg === '--no-colours' || arg === '--no-colors') {
options.colours = false;
} else
if (arg === '--signal' || arg === '-s') {
options.signal = eatNext();
} else
if (arg === '--cwd') {
options.cwd = eatNext();
// go ahead and change directory. This is primarily for nodemon tools like
// grunt-nodemon - we're doing this early because it will affect where the
// user script is searched for.
process.chdir(path.resolve(options.cwd));
} else {
// this means we didn't match
return false;
}
}
/**
* Given an argument (ie. from nodemonOption()), will parse and return the
* equivalent millisecond value or 0 if the argument cannot be parsed
*
* @param {String} value argument value given to the --delay option
* @return {Number} millisecond equivalent of the argument
*/
function parseDelay(value) {
var millisPerSecond = 1000;
var millis = 0;
if (value.match(/^\d*ms$/)) {
// Explicitly parse for milliseconds when using ms time specifier
millis = parseInt(value, 10);
} else {
// Otherwise, parse for seconds, with or without time specifier then convert
millis = parseFloat(value) * millisPerSecond;
}
return isNaN(millis) ? 0 : millis;
}

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module.exports = command;
/**
* command constructs the executable command to run in a shell including the
* user script, the command arguments.
*
* @param {Object} settings Object as:
* { execOptions: {
* exec: String,
* [script: String],
* [scriptPosition: Number],
* [execArgs: Array<string>]
* }
* }
* @return {Object} an object with the node executable and the
* arguments to the command
*/
function command(settings) {
var options = settings.execOptions;
var executable = options.exec;
var args = [];
// after "executable" go the exec args (like --debug, etc)
if (options.execArgs) {
[].push.apply(args, options.execArgs);
}
// then goes the user's script arguments
if (options.args) {
[].push.apply(args, options.args);
}
// after the "executable" goes the user's script
if (options.script) {
args.splice((options.scriptPosition || 0) +
options.execArgs.length, 0, options.script);
}
return {
executable: executable,
args: args,
};
}

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var ignoreRoot = require('ignore-by-default').directories();
// default options for config.options
const defaults = {
restartable: 'rs',
colours: true,
execMap: {
py: 'python',
rb: 'ruby',
ts: 'ts-node',
// more can be added here such as ls: lsc - but please ensure it's cross
// compatible with linux, mac and windows, or make the default.js
// dynamically append the `.cmd` for node based utilities
},
ignoreRoot: ignoreRoot.map((_) => `**/${_}/**`),
watch: ['*.*'],
stdin: true,
runOnChangeOnly: false,
verbose: false,
signal: 'SIGUSR2',
// 'stdout' refers to the default behaviour of a required nodemon's child,
// but also includes stderr. If this is false, data is still dispatched via
// nodemon.on('stdout/stderr')
stdout: true,
watchOptions: {},
};
const nodeOptions = process.env.NODE_OPTIONS || ''; // ?
if (/--(loader|import)\b/.test(nodeOptions)) {
delete defaults.execMap.ts;
}
module.exports = defaults;

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const path = require('path');
const fs = require('fs');
const existsSync = fs.existsSync;
const utils = require('../utils');
module.exports = exec;
module.exports.expandScript = expandScript;
/**
* Reads the cwd/package.json file and looks to see if it can load a script
* and possibly an exec first from package.main, then package.start.
*
* @return {Object} exec & script if found
*/
function execFromPackage() {
// doing a try/catch because we can't use the path.exist callback pattern
// or we could, but the code would get messy, so this will do exactly
// what we're after - if the file doesn't exist, it'll throw.
try {
// note: this isn't nodemon's package, it's the user's cwd package
var pkg = require(path.join(process.cwd(), 'package.json'));
if (pkg.main !== undefined) {
// no app found to run - so give them a tip and get the feck out
return { exec: null, script: pkg.main };
}
if (pkg.scripts && pkg.scripts.start) {
const parts = pkg.scripts.start.split(' ');
// fixes a loop issue where the script repeats over and over #2258
if (parts.includes('nodemon')) {
return null;
}
return { exec: pkg.scripts.start };
}
} catch (e) {}
return null;
}
function replace(map, str) {
var re = new RegExp('{{(' + Object.keys(map).join('|') + ')}}', 'g');
return str.replace(re, function (all, m) {
return map[m] || all || '';
});
}
function expandScript(script, ext) {
if (!ext) {
ext = '.js';
}
if (script.indexOf(ext) !== -1) {
return script;
}
if (existsSync(path.resolve(script))) {
return script;
}
if (existsSync(path.resolve(script + ext))) {
return script + ext;
}
return script;
}
/**
* Discovers all the options required to run the script
* and if a custom exec has been passed in, then it will
* also try to work out what extensions to monitor and
* whether there's a special way of running that script.
*
* @param {Object} nodemonOptions
* @param {Object} execMap
* @return {Object} new and updated version of nodemonOptions
*/
function exec(nodemonOptions, execMap) {
if (!execMap) {
execMap = {};
}
var options = utils.clone(nodemonOptions || {});
var script;
// if there's no script passed, try to get it from the first argument
if (!options.script && (options.args || []).length) {
script = expandScript(
options.args[0],
options.ext && '.' + (options.ext || 'js').split(',')[0]
);
// if the script was found, shift it off our args
if (script !== options.args[0]) {
options.script = script;
options.args.shift();
}
}
// if there's no exec found yet, then try to read it from the local
// package.json this logic used to sit in the cli/parse, but actually the cli
// should be parsed first, then the user options (via nodemon.json) then
// finally default down to pot shots at the directory via package.json
if (!options.exec && !options.script) {
var found = execFromPackage();
if (found !== null) {
if (found.exec) {
options.exec = found.exec;
}
if (!options.script) {
options.script = found.script;
}
if (Array.isArray(options.args) && options.scriptPosition === null) {
options.scriptPosition = options.args.length;
}
}
}
// var options = utils.clone(nodemonOptions || {});
script = path.basename(options.script || '');
var scriptExt = path.extname(script).slice(1);
var extension = options.ext;
if (extension === undefined) {
var isJS = scriptExt === 'js' || scriptExt === 'mjs' || scriptExt === 'cjs';
extension = isJS || !scriptExt ? 'js,mjs,cjs' : scriptExt;
extension += ',json'; // Always watch JSON files
}
var execDefined = !!options.exec;
// allows the user to simplify cli usage:
// https://github.com/remy/nodemon/issues/195
// but always give preference to the user defined argument
if (!options.exec && execMap[scriptExt] !== undefined) {
options.exec = execMap[scriptExt];
execDefined = true;
}
options.execArgs = nodemonOptions.execArgs || [];
if (Array.isArray(options.exec)) {
options.execArgs = options.exec;
options.exec = options.execArgs.shift();
}
if (options.exec === undefined) {
options.exec = 'node';
} else {
// allow variable substitution for {{filename}} and {{pwd}}
var substitution = replace.bind(null, {
filename: options.script,
pwd: process.cwd(),
});
var newExec = substitution(options.exec);
if (
newExec !== options.exec &&
options.exec.indexOf('{{filename}}') !== -1
) {
options.script = null;
}
options.exec = newExec;
var newExecArgs = options.execArgs.map(substitution);
if (newExecArgs.join('') !== options.execArgs.join('')) {
options.execArgs = newExecArgs;
delete options.script;
}
}
if (options.exec === 'node' && options.nodeArgs && options.nodeArgs.length) {
options.execArgs = options.execArgs.concat(options.nodeArgs);
}
// note: indexOf('coffee') handles both .coffee and .litcoffee
if (
!execDefined &&
options.exec === 'node' &&
scriptExt.indexOf('coffee') !== -1
) {
options.exec = 'coffee';
// we need to get execArgs set before the script
// for example, in `nodemon --debug my-script.coffee --my-flag`, debug is an
// execArg, while my-flag is a script arg
var leadingArgs = (options.args || []).splice(0, options.scriptPosition);
options.execArgs = options.execArgs.concat(leadingArgs);
options.scriptPosition = 0;
if (options.execArgs.length > 0) {
// because this is the coffee executable, we need to combine the exec args
// into a single argument after the nodejs flag
options.execArgs = ['--nodejs', options.execArgs.join(' ')];
}
}
if (options.exec === 'coffee') {
// don't override user specified extension tracking
if (options.ext === undefined) {
if (extension) {
extension += ',';
}
extension += 'coffee,litcoffee';
}
// because windows can't find 'coffee', it needs the real file 'coffee.cmd'
if (utils.isWindows) {
options.exec += '.cmd';
}
}
// allow users to make a mistake on the extension to monitor
// converts .js, pug => js,pug
// BIG NOTE: user can't do this: nodemon -e *.js
// because the terminal will automatically expand the glob against
// the file system :(
extension = (extension.match(/[^,*\s]+/g) || [])
.map((ext) => ext.replace(/^\./, ''))
.join(',');
options.ext = extension;
if (options.script) {
options.script = expandScript(
options.script,
extension && '.' + extension.split(',')[0]
);
}
options.env = {};
// make sure it's an object (and since we don't have )
if ({}.toString.apply(nodemonOptions.env) === '[object Object]') {
options.env = utils.clone(nodemonOptions.env);
} else if (nodemonOptions.env !== undefined) {
throw new Error('nodemon env values must be an object: { PORT: 8000 }');
}
return options;
}

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/**
* Manages the internal config of nodemon, checking for the state of support
* with fs.watch, how nodemon can watch files (using find or fs methods).
*
* This is *not* the user's config.
*/
var debug = require('debug')('nodemon');
var load = require('./load');
var rules = require('../rules');
var utils = require('../utils');
var pinVersion = require('../version').pin;
var command = require('./command');
var rulesToMonitor = require('../monitor/match').rulesToMonitor;
var bus = utils.bus;
function reset() {
rules.reset();
config.dirs = [];
config.options = { ignore: [], watch: [], monitor: [] };
config.lastStarted = 0;
config.loaded = [];
}
var config = {
run: false,
system: {
cwd: process.cwd(),
},
required: false,
dirs: [],
timeout: 1000,
options: {},
};
/**
* Take user defined settings, then detect the local machine capability, then
* look for local and global nodemon.json files and merge together the final
* settings with the config for nodemon.
*
* @param {Object} settings user defined settings for nodemon (typically on
* the cli)
* @param {Function} ready callback fired once the config is loaded
*/
config.load = function (settings, ready) {
reset();
var config = this;
load(settings, config.options, config, function (options) {
config.options = options;
if (options.watch.length === 0) {
// this is to catch when the watch is left blank
options.watch.push('*.*');
}
if (options['watch_interval']) { // jshint ignore:line
options.watchInterval = options['watch_interval']; // jshint ignore:line
}
config.watchInterval = options.watchInterval || null;
if (options.signal) {
config.signal = options.signal;
}
var cmd = command(config.options);
config.command = {
raw: cmd,
string: utils.stringify(cmd.executable, cmd.args),
};
// now run automatic checks on system adding to the config object
options.monitor = rulesToMonitor(options.watch, options.ignore, config);
var cwd = process.cwd();
debug('config: dirs', config.dirs);
if (config.dirs.length === 0) {
config.dirs.unshift(cwd);
}
bus.emit('config:update', config);
pinVersion().then(function () {
ready(config);
}).catch(e => {
// this doesn't help testing, but does give exposure on syntax errors
console.error(e.stack);
setTimeout(() => { throw e; }, 0);
});
});
};
config.reset = reset;
module.exports = config;

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var debug = require('debug')('nodemon');
var fs = require('fs');
var path = require('path');
var exists = fs.exists || path.exists;
var utils = require('../utils');
var rules = require('../rules');
var parse = require('../rules/parse');
var exec = require('./exec');
var defaults = require('./defaults');
module.exports = load;
module.exports.mutateExecOptions = mutateExecOptions;
var existsSync = fs.existsSync || path.existsSync;
function findAppScript() {
// nodemon has been run alone, so try to read the package file
// or try to read the index.js file
var pkg =
existsSync(path.join(process.cwd(), 'package.json')) &&
require(path.join(process.cwd(), 'package.json'));
if ((!pkg || pkg.main == undefined) && existsSync('./index.js')) {
return 'index.js';
}
}
/**
* Load the nodemon config, first reading the global root/nodemon.json, then
* the local nodemon.json to the exec and then overwriting using any user
* specified settings (i.e. from the cli)
*
* @param {Object} settings user defined settings
* @param {Object} options global options
* @param {Object} config the config object to be updated
* @param {Function} callback that receives complete config
*/
function load(settings, options, config, callback) {
config.loaded = [];
// first load the root nodemon.json
loadFile(options, config, utils.home, function (options) {
// then load the user's local configuration file
if (settings.configFile) {
options.configFile = path.resolve(settings.configFile);
}
loadFile(options, config, process.cwd(), function (options) {
// Then merge over with the user settings (parsed from the cli).
// Note that merge protects and favours existing values over new values,
// and thus command line arguments get priority
options = utils.merge(settings, options);
// legacy support
if (!Array.isArray(options.ignore)) {
options.ignore = [options.ignore];
}
if (!options.ignoreRoot) {
options.ignoreRoot = defaults.ignoreRoot;
}
// blend the user ignore and the default ignore together
if (options.ignoreRoot && options.ignore) {
if (!Array.isArray(options.ignoreRoot)) {
options.ignoreRoot = [options.ignoreRoot];
}
options.ignore = options.ignoreRoot.concat(options.ignore);
} else {
options.ignore = defaults.ignore.concat(options.ignore);
}
// add in any missing defaults
options = utils.merge(options, defaults);
if (!options.script && !options.exec) {
var found = findAppScript();
if (found) {
if (!options.args) {
options.args = [];
}
// if the script is found as a result of not being on the command
// line, then we move any of the pre double-dash args in execArgs
const n =
options.scriptPosition === null
? options.args.length
: options.scriptPosition;
options.execArgs = (options.execArgs || []).concat(
options.args.splice(0, n)
);
options.scriptPosition = null;
options.script = found;
}
}
mutateExecOptions(options);
if (options.quiet) {
utils.quiet();
}
if (options.verbose) {
utils.debug = true;
}
// simplify the ready callback to be called after the rules are normalised
// from strings to regexp through the rules lib. Note that this gets
// created *after* options is overwritten twice in the lines above.
var ready = function (options) {
normaliseRules(options, callback);
};
ready(options);
});
});
}
function normaliseRules(options, ready) {
// convert ignore and watch options to rules/regexp
rules.watch.add(options.watch);
rules.ignore.add(options.ignore);
// normalise the watch and ignore arrays
options.watch = options.watch === false ? false : rules.rules.watch;
options.ignore = rules.rules.ignore;
ready(options);
}
/**
* Looks for a config in the current working directory, and a config in the
* user's home directory, merging the two together, giving priority to local
* config. This can then be overwritten later by command line arguments
*
* @param {Function} ready callback to pass loaded settings to
*/
function loadFile(options, config, dir, ready) {
if (!ready) {
ready = function () {};
}
var callback = function (settings) {
// prefer the local nodemon.json and fill in missing items using
// the global options
ready(utils.merge(settings, options));
};
if (!dir) {
return callback({});
}
var filename = options.configFile || path.join(dir, 'nodemon.json');
if (config.loaded.indexOf(filename) !== -1) {
// don't bother re-parsing the same config file
return callback({});
}
fs.readFile(filename, 'utf8', function (err, data) {
if (err) {
if (err.code === 'ENOENT') {
if (!options.configFile && dir !== utils.home) {
// if no specified local config file and local nodemon.json
// doesn't exist, try the package.json
return loadPackageJSON(config, callback);
}
}
return callback({});
}
var settings = {};
try {
settings = JSON.parse(data.toString('utf8').replace(/^\uFEFF/, ''));
if (!filename.endsWith('package.json') || settings.nodemonConfig) {
config.loaded.push(filename);
}
} catch (e) {
utils.log.fail('Failed to parse config ' + filename);
console.error(e);
process.exit(1);
}
// options values will overwrite settings
callback(settings);
});
}
function loadPackageJSON(config, ready) {
if (!ready) {
ready = () => {};
}
const dir = process.cwd();
const filename = path.join(dir, 'package.json');
const packageLoadOptions = { configFile: filename };
return loadFile(packageLoadOptions, config, dir, (settings) => {
ready(settings.nodemonConfig || {});
});
}
function mutateExecOptions(options) {
// work out the execOptions based on the final config we have
options.execOptions = exec(
{
script: options.script,
exec: options.exec,
args: options.args,
scriptPosition: options.scriptPosition,
nodeArgs: options.nodeArgs,
execArgs: options.execArgs,
ext: options.ext,
env: options.env,
},
options.execMap
);
// clean up values that we don't need at the top level
delete options.scriptPosition;
delete options.script;
delete options.args;
delete options.ext;
return options;
}

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node_modules/nodemon/lib/help/index.js generated vendored Normal file
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var fs = require('fs');
var path = require('path');
const supportsColor = require('supports-color');
module.exports = help;
const highlight = supportsColor.stdout ? '\x1B\[$1m' : '';
function help(item) {
if (!item) {
item = 'help';
} else if (item === true) { // if used with -h or --help and no args
item = 'help';
}
// cleanse the filename to only contain letters
// aka: /\W/g but figured this was eaiser to read
item = item.replace(/[^a-z]/gi, '');
try {
var dir = path.join(__dirname, '..', '..', 'doc', 'cli', item + '.txt');
var body = fs.readFileSync(dir, 'utf8');
return body.replace(/\\x1B\[(.)m/g, highlight);
} catch (e) {
return '"' + item + '" help can\'t be found';
}
}

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module.exports = require('./nodemon');

4
node_modules/nodemon/lib/monitor/index.js generated vendored Normal file
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module.exports = {
run: require('./run'),
watch: require('./watch').watch,
};

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node_modules/nodemon/lib/monitor/match.js generated vendored Normal file
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const { minimatch } = require('minimatch');
const path = require('path');
const fs = require('fs');
const debug = require('debug')('nodemon:match');
const utils = require('../utils');
module.exports = match;
module.exports.rulesToMonitor = rulesToMonitor;
function rulesToMonitor(watch, ignore, config) {
var monitor = [];
if (!Array.isArray(ignore)) {
if (ignore) {
ignore = [ignore];
} else {
ignore = [];
}
}
if (!Array.isArray(watch)) {
if (watch) {
watch = [watch];
} else {
watch = [];
}
}
if (watch && watch.length) {
monitor = utils.clone(watch);
}
if (ignore) {
[].push.apply(
monitor,
(ignore || []).map(function (rule) {
return '!' + rule;
})
);
}
var cwd = process.cwd();
// next check if the monitored paths are actual directories
// or just patterns - and expand the rule to include *.*
monitor = monitor.map(function (rule) {
var not = rule.slice(0, 1) === '!';
if (not) {
rule = rule.slice(1);
}
if (rule === '.' || rule === '.*') {
rule = '*.*';
}
var dir = path.resolve(cwd, rule);
try {
var stat = fs.statSync(dir);
if (stat.isDirectory()) {
rule = dir;
if (rule.slice(-1) !== '/') {
rule += '/';
}
rule += '**/*';
// `!not` ... sorry.
if (!not) {
config.dirs.push(dir);
}
} else {
// ensures we end up in the check that tries to get a base directory
// and then adds it to the watch list
throw new Error();
}
} catch (e) {
var base = tryBaseDir(dir);
if (!not && base) {
if (config.dirs.indexOf(base) === -1) {
config.dirs.push(base);
}
}
}
if (rule.slice(-1) === '/') {
// just slap on a * anyway
rule += '*';
}
// if the url ends with * but not **/* and not *.*
// then convert to **/* - somehow it was missed :-\
if (
rule.slice(-4) !== '**/*' &&
rule.slice(-1) === '*' &&
rule.indexOf('*.') === -1
) {
if (rule.slice(-2) !== '**') {
rule += '*/*';
}
}
return (not ? '!' : '') + rule;
});
return monitor;
}
function tryBaseDir(dir) {
var stat;
if (/[?*\{\[]+/.test(dir)) {
// if this is pattern, then try to find the base
try {
var base = path.dirname(dir.replace(/([?*\{\[]+.*$)/, 'foo'));
stat = fs.statSync(base);
if (stat.isDirectory()) {
return base;
}
} catch (error) {
// console.log(error);
}
} else {
try {
stat = fs.statSync(dir);
// if this path is actually a single file that exists, then just monitor
// that, *specifically*.
if (stat.isFile() || stat.isDirectory()) {
return dir;
}
} catch (e) { }
}
return false;
}
function match(files, monitor, ext) {
// sort the rules by highest specificity (based on number of slashes)
// ignore rules (!) get sorted highest as they take precedent
const cwd = process.cwd();
var rules = monitor
.sort(function (a, b) {
var r = b.split(path.sep).length - a.split(path.sep).length;
var aIsIgnore = a.slice(0, 1) === '!';
var bIsIgnore = b.slice(0, 1) === '!';
if (aIsIgnore || bIsIgnore) {
if (aIsIgnore) {
return -1;
}
return 1;
}
if (r === 0) {
return b.length - a.length;
}
return r;
})
.map(function (s) {
var prefix = s.slice(0, 1);
if (prefix === '!') {
if (s.indexOf('!' + cwd) === 0) {
return s;
}
// if it starts with a period, then let's get the relative path
if (s.indexOf('!.') === 0) {
return '!' + path.resolve(cwd, s.substring(1));
}
return '!**' + (prefix !== path.sep ? path.sep : '') + s.slice(1);
}
// if it starts with a period, then let's get the relative path
if (s.indexOf('.') === 0) {
return path.resolve(cwd, s);
}
if (s.indexOf(cwd) === 0) {
return s;
}
return '**' + (prefix !== path.sep ? path.sep : '') + s;
});
debug('rules', rules);
var good = [];
var whitelist = []; // files that we won't check against the extension
var ignored = 0;
var watched = 0;
var usedRules = [];
var minimatchOpts = {
dot: true,
};
// enable case-insensitivity on Windows
if (utils.isWindows) {
minimatchOpts.nocase = true;
minimatchOpts.windowsPathsNoEscape = true;
}
files.forEach(function (file) {
file = path.resolve(cwd, file);
var matched = false;
for (var i = 0; i < rules.length; i++) {
if (rules[i].slice(0, 1) === '!') {
if (!minimatch(file, rules[i], minimatchOpts)) {
debug('ignored', file, 'rule:', rules[i]);
ignored++;
matched = true;
break;
}
} else {
debug('matched', file, 'rule:', rules[i]);
if (minimatch(file, rules[i], minimatchOpts)) {
watched++;
// don't repeat the output if a rule is matched
if (usedRules.indexOf(rules[i]) === -1) {
usedRules.push(rules[i]);
utils.log.detail('matched rule: ' + rules[i]);
}
// if the rule doesn't match the WATCH EVERYTHING
// but *does* match a rule that ends with *.*, then
// white list it - in that we don't run it through
// the extension check too.
if (
rules[i] !== '**' + path.sep + '*.*' &&
rules[i].slice(-3) === '*.*'
) {
whitelist.push(file);
} else if (path.basename(file) === path.basename(rules[i])) {
// if the file matches the actual rule, then it's put on whitelist
whitelist.push(file);
} else {
good.push(file);
}
matched = true;
} else {
// utils.log.detail('no match: ' + rules[i], file);
}
}
}
if (!matched) {
ignored++;
}
});
// finally check the good files against the extensions that we're monitoring
if (ext) {
if (ext.indexOf(',') === -1) {
ext = '**/*.' + ext;
} else {
ext = '**/*.{' + ext + '}';
}
good = good.filter(function (file) {
// only compare the filename to the extension test
return minimatch(path.basename(file), ext, minimatchOpts);
});
debug('good (filtered by ext)', good);
} else {
// else assume *.*
debug('good', good);
}
if (whitelist.length) debug('whitelist', whitelist);
var result = good.concat(whitelist);
if (utils.isWindows) {
// fix for windows testing - I *think* this is okay to do
result = result.map(function (file) {
return file.slice(0, 1).toLowerCase() + file.slice(1);
});
}
return {
result: result,
ignored: ignored,
watched: watched,
total: files.length,
};
}

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node_modules/nodemon/lib/monitor/run.js generated vendored Normal file
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var debug = require('debug')('nodemon:run');
const statSync = require('fs').statSync;
var utils = require('../utils');
var bus = utils.bus;
var childProcess = require('child_process');
var spawn = childProcess.spawn;
var exec = childProcess.exec;
var execSync = childProcess.execSync;
var fork = childProcess.fork;
var watch = require('./watch').watch;
var config = require('../config');
var child = null; // the actual child process we spawn
var killedAfterChange = false;
var noop = () => {};
var restart = null;
var psTree = require('pstree.remy');
var path = require('path');
var signals = require('./signals');
const undefsafe = require('undefsafe');
const osRelease = parseInt(require('os').release().split('.')[0], 10);
function run(options) {
var cmd = config.command.raw;
// moved up
// we need restart function below in the global scope for run.kill
/*jshint validthis:true*/
restart = run.bind(this, options);
run.restart = restart;
// binding options with instance of run
// so that we can use it in run.kill
run.options = options;
var runCmd = !options.runOnChangeOnly || config.lastStarted !== 0;
if (runCmd) {
utils.log.status('starting `' + config.command.string + '`');
} else {
// should just watch file if command is not to be run
// had another alternate approach
// to stop process being forked/spawned in the below code
// but this approach does early exit and makes code cleaner
debug('start watch on: %s', config.options.watch);
if (config.options.watch !== false) {
watch();
return;
}
}
config.lastStarted = Date.now();
var stdio = ['pipe', 'pipe', 'pipe'];
if (config.options.stdout) {
stdio = ['pipe', process.stdout, process.stderr];
}
if (config.options.stdin === false) {
stdio = [process.stdin, process.stdout, process.stderr];
}
var sh = 'sh';
var shFlag = '-c';
const binPath = process.cwd() + '/node_modules/.bin';
const spawnOptions = {
env: Object.assign({}, options.execOptions.env, process.env, {
PATH:
binPath +
path.delimiter +
(undefsafe(options, '.execOptions.env.PATH') || process.env.PATH),
}),
stdio: stdio,
};
var executable = cmd.executable;
if (utils.isWindows) {
// if the exec includes a forward slash, reverse it for windows compat
// but *only* apply to the first command, and none of the arguments.
// ref #1251 and #1236
if (executable.indexOf('/') !== -1) {
executable = executable
.split(' ')
.map((e, i) => {
if (i === 0) {
return path.normalize(e);
}
return e;
})
.join(' ');
}
// taken from npm's cli: https://git.io/vNFD4
sh = process.env.comspec || 'cmd';
shFlag = '/d /s /c';
spawnOptions.windowsVerbatimArguments = true;
spawnOptions.windowsHide = true;
}
var args = runCmd ? utils.stringify(executable, cmd.args) : ':';
var spawnArgs = [sh, [shFlag, args], spawnOptions];
const firstArg = cmd.args[0] || '';
var inBinPath = false;
try {
inBinPath = statSync(`${binPath}/${executable}`).isFile();
} catch (e) {}
// hasStdio allows us to correctly handle stdin piping
// see: https://git.io/vNtX3
const hasStdio = utils.satisfies('>= 6.4.0 || < 5');
// forking helps with sub-process handling and tends to clean up better
// than spawning, but it should only be used under specific conditions
const shouldFork =
!config.options.spawn &&
!inBinPath &&
!(firstArg.indexOf('-') === 0) && // don't fork if there's a node exec arg
firstArg !== 'inspect' && // don't fork it's `inspect` debugger
executable === 'node' && // only fork if node
utils.version.major > 4; // only fork if node version > 4
if (shouldFork) {
// this assumes the first argument is the script and slices it out, since
// we're forking
var forkArgs = cmd.args.slice(1);
var env = utils.merge(options.execOptions.env, process.env);
stdio.push('ipc');
const forkOptions = {
env: env,
stdio: stdio,
silent: !hasStdio,
};
if (utils.isWindows) {
forkOptions.windowsHide = true;
}
child = fork(options.execOptions.script, forkArgs, forkOptions);
utils.log.detail('forking');
debug('fork', sh, shFlag, args);
} else {
utils.log.detail('spawning');
child = spawn.apply(null, spawnArgs);
debug('spawn', sh, shFlag, args);
}
if (config.required) {
var emit = {
stdout: function (data) {
bus.emit('stdout', data);
},
stderr: function (data) {
bus.emit('stderr', data);
},
};
// now work out what to bind to...
if (config.options.stdout) {
child.on('stdout', emit.stdout).on('stderr', emit.stderr);
} else {
child.stdout.on('data', emit.stdout);
child.stderr.on('data', emit.stderr);
bus.stdout = child.stdout;
bus.stderr = child.stderr;
}
if (shouldFork) {
child.on('message', function (message, sendHandle) {
bus.emit('message', message, sendHandle);
});
}
}
bus.emit('start');
utils.log.detail('child pid: ' + child.pid);
child.on('error', function (error) {
bus.emit('error', error);
if (error.code === 'ENOENT') {
utils.log.error('unable to run executable: "' + cmd.executable + '"');
process.exit(1);
} else {
utils.log.error('failed to start child process: ' + error.code);
throw error;
}
});
child.on('exit', function (code, signal) {
if (child && child.stdin) {
process.stdin.unpipe(child.stdin);
}
if (code === 127) {
utils.log.error(
'failed to start process, "' + cmd.executable + '" exec not found'
);
bus.emit('error', code);
process.exit();
}
// If the command failed with code 2, it may or may not be a syntax error
// See: http://git.io/fNOAR
// We will only assume a parse error, if the child failed quickly
if (code === 2 && Date.now() < config.lastStarted + 500) {
utils.log.error('process failed, unhandled exit code (2)');
utils.log.error('');
utils.log.error('Either the command has a syntax error,');
utils.log.error('or it is exiting with reserved code 2.');
utils.log.error('');
utils.log.error('To keep nodemon running even after a code 2,');
utils.log.error('add this to the end of your command: || exit 1');
utils.log.error('');
utils.log.error('Read more here: https://git.io/fNOAG');
utils.log.error('');
utils.log.error('nodemon will stop now so that you can fix the command.');
utils.log.error('');
bus.emit('error', code);
process.exit();
}
// In case we killed the app ourselves, set the signal thusly
if (killedAfterChange) {
killedAfterChange = false;
signal = config.signal;
}
// this is nasty, but it gives it windows support
if (utils.isWindows && signal === 'SIGTERM') {
signal = config.signal;
}
if (signal === config.signal || code === 0) {
// this was a clean exit, so emit exit, rather than crash
debug('bus.emit(exit) via ' + config.signal);
bus.emit('exit', signal);
// exit the monitor, but do it gracefully
if (signal === config.signal) {
return restart();
}
if (code === 0) {
// clean exit - wait until file change to restart
if (runCmd) {
utils.log.status('clean exit - waiting for changes before restart');
}
child = null;
}
} else {
bus.emit('crash');
// support the old syntax of `exitcrash` - 2024-12-13
if (options.exitcrash) {
options.exitCrash = true;
delete options.exitcrash;
}
if (options.exitCrash) {
utils.log.fail('app crashed');
if (!config.required) {
process.exit(1);
}
} else {
utils.log.fail(
'app crashed - waiting for file changes before' + ' starting...'
);
child = null;
}
}
if (config.options.restartable) {
// stdin needs to kick in again to be able to listen to the
// restart command
process.stdin.resume();
}
});
// moved the run.kill outside to handle both the cases
// intial start
// no start
// connect stdin to the child process (options.stdin is on by default)
if (options.stdin) {
process.stdin.resume();
// FIXME decide whether or not we need to decide the encoding
// process.stdin.setEncoding('utf8');
// swallow the stdin error if it happens
// ref: https://github.com/remy/nodemon/issues/1195
if (hasStdio) {
child.stdin.on('error', () => {});
process.stdin.pipe(child.stdin);
} else {
if (child.stdout) {
child.stdout.pipe(process.stdout);
} else {
utils.log.error(
'running an unsupported version of node ' + process.version
);
utils.log.error(
'nodemon may not work as expected - ' +
'please consider upgrading to LTS'
);
}
}
bus.once('exit', function () {
if (child && process.stdin.unpipe) {
// node > 0.8
process.stdin.unpipe(child.stdin);
}
});
}
debug('start watch on: %s', config.options.watch);
if (config.options.watch !== false) {
watch();
}
}
function waitForSubProcesses(pid, callback) {
debug('checking ps tree for pids of ' + pid);
psTree(pid, (err, pids) => {
if (!pids.length) {
return callback();
}
utils.log.status(
`still waiting for ${pids.length} sub-process${
pids.length > 2 ? 'es' : ''
} to finish...`
);
setTimeout(() => waitForSubProcesses(pid, callback), 1000);
});
}
function kill(child, signal, callback) {
if (!callback) {
callback = noop;
}
if (utils.isWindows) {
const taskKill = () => {
try {
exec('taskkill /pid ' + child.pid + ' /T /F');
} catch (e) {
utils.log.error('Could not shutdown sub process cleanly');
}
};
// We are handling a 'SIGKILL' , 'SIGUSR2' and 'SIGUSR1' POSIX signal under Windows the
// same way it is handled on a UNIX system: We are performing
// a hard shutdown without waiting for the process to clean-up.
if (
signal === 'SIGKILL' ||
osRelease < 10 ||
signal === 'SIGUSR2' ||
signal === 'SIGUSR1'
) {
debug('terminating process group by force: %s', child.pid);
// We are using the taskkill utility to terminate the whole
// process group ('/t') of the child ('/pid') by force ('/f').
// We need to end all sub processes, because the 'child'
// process in this context is actually a cmd.exe wrapper.
taskKill();
callback();
return;
}
try {
// We are using the Windows Management Instrumentation Command-line
// (wmic.exe) to resolve the sub-child process identifier, because the
// 'child' process in this context is actually a cmd.exe wrapper.
// We want to send the termination signal directly to the node process.
// The '2> nul' silences the no process found error message.
const resultBuffer = execSync(
`wmic process where (ParentProcessId=${child.pid}) get ProcessId 2> nul`
);
const result = resultBuffer.toString().match(/^[0-9]+/m);
// If there is no sub-child process we fall back to the child process.
const processId = Array.isArray(result) ? result[0] : child.pid;
debug('sending kill signal SIGINT to process: %s', processId);
// We are using the standalone 'windows-kill' executable to send the
// standard POSIX signal 'SIGINT' to the node process. This fixes #1720.
const windowsKill = path.normalize(
`${__dirname}/../../bin/windows-kill.exe`
);
// We have to detach the 'windows-kill' execution completely from this
// process group to avoid terminating the nodemon process itself.
// See: https://github.com/alirdn/windows-kill#how-it-works--limitations
//
// Therefore we are using 'start' to create a new cmd.exe context.
// The '/min' option hides the new terminal window and the '/wait'
// option lets the process wait for the command to finish.
execSync(
`start "windows-kill" /min /wait "${windowsKill}" -SIGINT ${processId}`
);
} catch (e) {
taskKill();
}
callback();
} else {
// we use psTree to kill the full subtree of nodemon, because when
// spawning processes like `coffee` under the `--debug` flag, it'll spawn
// it's own child, and that can't be killed by nodemon, so psTree gives us
// an array of PIDs that have spawned under nodemon, and we send each the
// configured signal (default: SIGUSR2) signal, which fixes #335
// note that psTree also works if `ps` is missing by looking in /proc
let sig = signal.replace('SIG', '');
psTree(child.pid, function (err, pids) {
// if ps isn't native to the OS, then we need to send the numeric value
// for the signal during the kill, `signals` is a lookup table for that.
if (!psTree.hasPS) {
sig = signals[signal];
}
// the sub processes need to be killed from smallest to largest
debug('sending kill signal to ' + pids.join(', '));
child.kill(signal);
pids.sort().forEach((pid) => exec(`kill -${sig} ${pid}`, noop));
waitForSubProcesses(child.pid, () => {
// finally kill the main user process
exec(`kill -${sig} ${child.pid}`, callback);
});
});
}
}
run.kill = function (noRestart, callback) {
// I hate code like this :( - Remy (author of said code)
if (typeof noRestart === 'function') {
callback = noRestart;
noRestart = false;
}
if (!callback) {
callback = noop;
}
if (child !== null) {
// if the stdin piping is on, we need to unpipe, but also close stdin on
// the child, otherwise linux can throw EPIPE or ECONNRESET errors.
if (run.options.stdin) {
process.stdin.unpipe(child.stdin);
}
// For the on('exit', ...) handler above the following looks like a
// crash, so we set the killedAfterChange flag if a restart is planned
if (!noRestart) {
killedAfterChange = true;
}
/* Now kill the entire subtree of processes belonging to nodemon */
var oldPid = child.pid;
if (child) {
kill(child, config.signal, function () {
// this seems to fix the 0.11.x issue with the "rs" restart command,
// though I'm unsure why. it seems like more data is streamed in to
// stdin after we close.
if (child && run.options.stdin && child.stdin && oldPid === child.pid) {
child.stdin.end();
}
callback();
});
}
} else if (!noRestart) {
// if there's no child, then we need to manually start the process
// this is because as there was no child, the child.on('exit') event
// handler doesn't exist which would normally trigger the restart.
bus.once('start', callback);
run.restart();
} else {
callback();
}
};
run.restart = noop;
bus.on('quit', function onQuit(code) {
if (code === undefined) {
code = 0;
}
// remove event listener
var exitTimer = null;
var exit = function () {
clearTimeout(exitTimer);
exit = noop; // null out in case of race condition
child = null;
if (!config.required) {
// Execute all other quit listeners.
bus.listeners('quit').forEach(function (listener) {
if (listener !== onQuit) {
listener();
}
});
process.exit(code);
} else {
bus.emit('exit');
}
};
// if we're not running already, don't bother with trying to kill
if (config.run === false) {
return exit();
}
// immediately try to stop any polling
config.run = false;
if (child) {
// give up waiting for the kids after 10 seconds
exitTimer = setTimeout(exit, 10 * 1000);
child.removeAllListeners('exit');
child.once('exit', exit);
kill(child, 'SIGINT');
} else {
exit();
}
});
bus.on('restart', function () {
// run.kill will send a SIGINT to the child process, which will cause it
// to terminate, which in turn uses the 'exit' event handler to restart
run.kill();
});
// remove the child file on exit
process.on('exit', function () {
utils.log.detail('exiting');
if (child) {
child.kill();
}
});
// because windows borks when listening for the SIG* events
if (!utils.isWindows) {
bus.once('boot', () => {
// usual suspect: ctrl+c exit
process.once('SIGINT', () => bus.emit('quit', 130));
process.once('SIGTERM', () => {
bus.emit('quit', 143);
if (child) {
child.kill('SIGTERM');
}
});
});
}
module.exports = run;

34
node_modules/nodemon/lib/monitor/signals.js generated vendored Normal file
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module.exports = {
SIGHUP: 1,
SIGINT: 2,
SIGQUIT: 3,
SIGILL: 4,
SIGTRAP: 5,
SIGABRT: 6,
SIGBUS: 7,
SIGFPE: 8,
SIGKILL: 9,
SIGUSR1: 10,
SIGSEGV: 11,
SIGUSR2: 12,
SIGPIPE: 13,
SIGALRM: 14,
SIGTERM: 15,
SIGSTKFLT: 16,
SIGCHLD: 17,
SIGCONT: 18,
SIGSTOP: 19,
SIGTSTP: 20,
SIGTTIN: 21,
SIGTTOU: 22,
SIGURG: 23,
SIGXCPU: 24,
SIGXFSZ: 25,
SIGVTALRM: 26,
SIGPROF: 27,
SIGWINCH: 28,
SIGIO: 29,
SIGPWR: 30,
SIGSYS: 31,
SIGRTMIN: 35,
}

244
node_modules/nodemon/lib/monitor/watch.js generated vendored Normal file
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module.exports.watch = watch;
module.exports.resetWatchers = resetWatchers;
var debug = require('debug')('nodemon:watch');
var debugRoot = require('debug')('nodemon');
var chokidar = require('chokidar');
var undefsafe = require('undefsafe');
var config = require('../config');
var path = require('path');
var utils = require('../utils');
var bus = utils.bus;
var match = require('./match');
var watchers = [];
var debouncedBus;
bus.on('reset', resetWatchers);
function resetWatchers() {
debugRoot('resetting watchers');
watchers.forEach(function (watcher) {
watcher.close();
});
watchers = [];
}
function watch() {
if (watchers.length) {
debug('early exit on watch, still watching (%s)', watchers.length);
return;
}
var dirs = [].slice.call(config.dirs);
debugRoot('start watch on: %s', dirs.join(', '));
const rootIgnored = config.options.ignore;
debugRoot('ignored', rootIgnored);
var watchedFiles = [];
const promise = new Promise(function (resolve) {
const dotFilePattern = /[/\\]\./;
var ignored = match.rulesToMonitor(
[], // not needed
Array.from(rootIgnored),
config
).map(pattern => pattern.slice(1));
const addDotFile = dirs.filter(dir => dir.match(dotFilePattern));
// don't ignore dotfiles if explicitly watched.
if (addDotFile.length === 0) {
ignored.push(dotFilePattern);
}
var watchOptions = {
ignorePermissionErrors: true,
ignored: ignored,
persistent: true,
usePolling: config.options.legacyWatch || false,
interval: config.options.pollingInterval,
// note to future developer: I've gone back and forth on adding `cwd`
// to the props and in some cases it fixes bugs but typically it causes
// bugs elsewhere (since nodemon is used is so many ways). the final
// decision is to *not* use it at all and work around it
// cwd: ...
};
if (utils.isWindows) {
watchOptions.disableGlobbing = true;
}
if (utils.isIBMi) {
watchOptions.usePolling = true;
}
if (process.env.TEST) {
watchOptions.useFsEvents = false;
}
var watcher = chokidar.watch(
dirs,
Object.assign({}, watchOptions, config.options.watchOptions || {})
);
watcher.ready = false;
var total = 0;
watcher.on('change', filterAndRestart);
watcher.on('unlink', filterAndRestart);
watcher.on('add', function (file) {
if (watcher.ready) {
return filterAndRestart(file);
}
watchedFiles.push(file);
bus.emit('watching', file);
debug('chokidar watching: %s', file);
});
watcher.on('ready', function () {
watchedFiles = Array.from(new Set(watchedFiles)); // ensure no dupes
total = watchedFiles.length;
watcher.ready = true;
resolve(total);
debugRoot('watch is complete');
});
watcher.on('error', function (error) {
if (error.code === 'EINVAL') {
utils.log.error(
'Internal watch failed. Likely cause: too many ' +
'files being watched (perhaps from the root of a drive?\n' +
'See https://github.com/paulmillr/chokidar/issues/229 for details'
);
} else {
utils.log.error('Internal watch failed: ' + error.message);
process.exit(1);
}
});
watchers.push(watcher);
});
return promise.catch(e => {
// this is a core error and it should break nodemon - so I have to break
// out of a promise using the setTimeout
setTimeout(() => {
throw e;
});
}).then(function () {
utils.log.detail(`watching ${watchedFiles.length} file${
watchedFiles.length === 1 ? '' : 's'}`);
return watchedFiles;
});
}
function filterAndRestart(files) {
if (!Array.isArray(files)) {
files = [files];
}
if (files.length) {
var cwd = process.cwd();
if (this.options && this.options.cwd) {
cwd = this.options.cwd;
}
utils.log.detail(
'files triggering change check: ' +
files
.map(file => {
const res = path.relative(cwd, file);
return res;
})
.join(', ')
);
// make sure the path is right and drop an empty
// filenames (sometimes on windows)
files = files.filter(Boolean).map(file => {
return path.relative(process.cwd(), path.relative(cwd, file));
});
if (utils.isWindows) {
// ensure the drive letter is in uppercase (c:\foo -> C:\foo)
files = files.map(f => {
if (f.indexOf(':') === -1) { return f; }
return f[0].toUpperCase() + f.slice(1);
});
}
debug('filterAndRestart on', files);
var matched = match(
files,
config.options.monitor,
undefsafe(config, 'options.execOptions.ext')
);
debug('matched?', JSON.stringify(matched));
// if there's no matches, then test to see if the changed file is the
// running script, if so, let's allow a restart
if (config.options.execOptions && config.options.execOptions.script) {
const script = path.resolve(config.options.execOptions.script);
if (matched.result.length === 0 && script) {
const length = script.length;
files.find(file => {
if (file.substr(-length, length) === script) {
matched = {
result: [file],
total: 1,
};
return true;
}
});
}
}
utils.log.detail(
'changes after filters (before/after): ' +
[files.length, matched.result.length].join('/')
);
// reset the last check so we're only looking at recently modified files
config.lastStarted = Date.now();
if (matched.result.length) {
if (config.options.delay > 0) {
utils.log.detail('delaying restart for ' + config.options.delay + 'ms');
if (debouncedBus === undefined) {
debouncedBus = debounce(restartBus, config.options.delay);
}
debouncedBus(matched);
} else {
return restartBus(matched);
}
}
}
}
function restartBus(matched) {
utils.log.status('restarting due to changes...');
matched.result.map(file => {
utils.log.detail(path.relative(process.cwd(), file));
});
if (config.options.verbose) {
utils.log._log('');
}
bus.emit('restart', matched.result);
}
function debounce(fn, delay) {
var timer = null;
return function () {
const context = this;
const args = arguments;
clearTimeout(timer);
timer = setTimeout(() =>fn.apply(context, args), delay);
};
}

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node_modules/nodemon/lib/nodemon.js generated vendored Normal file
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var debug = require('debug')('nodemon');
var path = require('path');
var monitor = require('./monitor');
var cli = require('./cli');
var version = require('./version');
var util = require('util');
var utils = require('./utils');
var bus = utils.bus;
var help = require('./help');
/** @type {import('..').NodemonEventConfig} */
var config = require('./config');
var spawn = require('./spawn');
const defaults = require('./config/defaults')
var eventHandlers = {};
// this is fairly dirty, but theoretically sound since it's part of the
// stable module API
config.required = utils.isRequired;
/**
* @param {import('..').NodemonSettings | string} settings
* @returns {import('..').Nodemon}
*/
function nodemon(settings) {
bus.emit('boot');
nodemon.reset();
/** @type {import('..').NodemonSettings} */
let options
// allow the cli string as the argument to nodemon, and allow for
// `node nodemon -V app.js` or just `-V app.js`
if (typeof settings === 'string') {
settings = settings.trim();
if (settings.indexOf('node') !== 0) {
if (settings.indexOf('nodemon') !== 0) {
settings = 'nodemon ' + settings;
}
settings = 'node ' + settings;
}
options = cli.parse(settings);
} else options = settings;
// set the debug flag as early as possible to get all the detailed logging
if (options.verbose) {
utils.debug = true;
}
if (options.help) {
if (process.stdout.isTTY) {
process.stdout._handle.setBlocking(true); // nodejs/node#6456
}
console.log(help(options.help));
if (!config.required) {
process.exit(0);
}
}
if (options.version) {
version().then(function (v) {
console.log(v);
if (!config.required) {
process.exit(0);
}
});
return;
}
// nodemon tools like grunt-nodemon. This affects where
// the script is being run from, and will affect where
// nodemon looks for the nodemon.json files
if (options.cwd) {
// this is protection to make sure we haven't dont the chdir already...
// say like in cli/parse.js (which is where we do this once already!)
if (process.cwd() !== path.resolve(config.system.cwd, options.cwd)) {
process.chdir(options.cwd);
}
}
config.load(options, function (config) {
if (!config.options.dump && !config.options.execOptions.script &&
config.options.execOptions.exec === 'node') {
if (!config.required) {
console.log(help('usage'));
process.exit();
}
return;
}
// before we print anything, update the colour setting on logging
utils.colours = config.options.colours;
// always echo out the current version
utils.log.info(version.pinned);
const cwd = process.cwd();
if (config.options.cwd) {
utils.log.detail('process root: ' + cwd);
}
config.loaded.map(file => file.replace(cwd, '.')).forEach(file => {
utils.log.detail('reading config ' + file);
});
if (config.options.stdin && config.options.restartable) {
// allow nodemon to restart when the use types 'rs\n'
process.stdin.resume();
process.stdin.setEncoding('utf8');
process.stdin.on('data', data => {
const str = data.toString().trim().toLowerCase();
// if the keys entered match the restartable value, then restart!
if (str === config.options.restartable) {
bus.emit('restart');
} else if (data.charCodeAt(0) === 12) { // ctrl+l
console.clear();
}
});
} else if (config.options.stdin) {
// so let's make sure we don't eat the key presses
// but also, since we're wrapping, watch out for
// special keys, like ctrl+c x 2 or '.exit' or ctrl+d or ctrl+l
var ctrlC = false;
var buffer = '';
process.stdin.on('data', function (data) {
data = data.toString();
buffer += data;
const chr = data.charCodeAt(0);
// if restartable, echo back
if (chr === 3) {
if (ctrlC) {
process.exit(0);
}
ctrlC = true;
return;
} else if (buffer === '.exit' || chr === 4) { // ctrl+d
process.exit();
} else if (chr === 13 || chr === 10) { // enter / carriage return
buffer = '';
} else if (chr === 12) { // ctrl+l
console.clear();
buffer = '';
}
ctrlC = false;
});
if (process.stdin.setRawMode) {
process.stdin.setRawMode(true);
}
}
if (config.options.restartable) {
utils.log.info('to restart at any time, enter `' +
config.options.restartable + '`');
}
if (!config.required) {
const restartSignal = config.options.signal === 'SIGUSR2' ? 'SIGHUP' : 'SIGUSR2';
process.on(restartSignal, nodemon.restart);
utils.bus.on('error', () => {
utils.log.fail((new Error().stack));
});
utils.log.detail((config.options.restartable ? 'or ' : '') + 'send ' +
restartSignal + ' to ' + process.pid + ' to restart');
}
const ignoring = config.options.monitor.map(function (rule) {
if (rule.slice(0, 1) !== '!') {
return false;
}
rule = rule.slice(1);
// don't notify of default ignores
if (defaults.ignoreRoot.indexOf(rule) !== -1) {
return false;
// return rule.slice(3).slice(0, -3);
}
if (rule.startsWith(cwd)) {
return rule.replace(cwd, '.');
}
return rule;
}).filter(Boolean).join(' ');
if (ignoring) utils.log.detail('ignoring: ' + ignoring);
utils.log.info('watching path(s): ' + config.options.monitor.map(function (rule) {
if (rule.slice(0, 1) !== '!') {
try {
rule = path.relative(process.cwd(), rule);
} catch (e) {}
return rule;
}
return false;
}).filter(Boolean).join(' '));
utils.log.info('watching extensions: ' + (config.options.execOptions.ext || '(all)'));
if (config.options.dump) {
utils.log._log('log', '--------------');
utils.log._log('log', 'node: ' + process.version);
utils.log._log('log', 'nodemon: ' + version.pinned);
utils.log._log('log', 'command: ' + process.argv.join(' '));
utils.log._log('log', 'cwd: ' + cwd);
utils.log._log('log', ['OS:', process.platform, process.arch].join(' '));
utils.log._log('log', '--------------');
utils.log._log('log', util.inspect(config, { depth: null }));
utils.log._log('log', '--------------');
if (!config.required) {
process.exit();
}
return;
}
config.run = true;
if (config.options.stdout === false) {
nodemon.on('start', function () {
nodemon.stdout = bus.stdout;
nodemon.stderr = bus.stderr;
bus.emit('readable');
});
}
if (config.options.events && Object.keys(config.options.events).length) {
Object.keys(config.options.events).forEach(function (key) {
utils.log.detail('bind ' + key + ' -> `' +
config.options.events[key] + '`');
nodemon.on(key, function () {
if (config.options && config.options.events) {
spawn(config.options.events[key], config,
[].slice.apply(arguments));
}
});
});
}
monitor.run(config.options);
});
return nodemon;
}
nodemon.restart = function () {
utils.log.status('restarting child process');
bus.emit('restart');
return nodemon;
};
nodemon.addListener = nodemon.on = function (event, handler) {
if (!eventHandlers[event]) { eventHandlers[event] = []; }
eventHandlers[event].push(handler);
bus.on(event, handler);
return nodemon;
};
nodemon.once = function (event, handler) {
if (!eventHandlers[event]) { eventHandlers[event] = []; }
eventHandlers[event].push(handler);
bus.once(event, function () {
debug('bus.once(%s)', event);
eventHandlers[event].splice(eventHandlers[event].indexOf(handler), 1);
handler.apply(this, arguments);
});
return nodemon;
};
nodemon.emit = function () {
bus.emit.apply(bus, [].slice.call(arguments));
return nodemon;
};
nodemon.removeAllListeners = function (event) {
// unbind only the `nodemon.on` event handlers
Object.keys(eventHandlers).filter(function (e) {
return event ? e === event : true;
}).forEach(function (event) {
eventHandlers[event].forEach(function (handler) {
bus.removeListener(event, handler);
eventHandlers[event].splice(eventHandlers[event].indexOf(handler), 1);
});
});
return nodemon;
};
nodemon.reset = function (done) {
bus.emit('reset', done);
};
bus.on('reset', function (done) {
debug('reset');
nodemon.removeAllListeners();
monitor.run.kill(true, function () {
utils.reset();
config.reset();
config.run = false;
if (done) {
done();
}
});
});
// expose the full config
nodemon.config = config;
module.exports = nodemon;

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node_modules/nodemon/lib/rules/add.js generated vendored Normal file
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'use strict';
var utils = require('../utils');
// internal
var reEscComments = /\\#/g;
// note that '^^' is used in place of escaped comments
var reUnescapeComments = /\^\^/g;
var reComments = /#.*$/;
var reEscapeChars = /[.|\-[\]()\\]/g;
var reAsterisk = /\*/g;
module.exports = add;
/**
* Converts file patterns or regular expressions to nodemon
* compatible RegExp matching rules. Note: the `rules` argument
* object is modified to include the new rule and new RegExp
*
* ### Example:
*
* var rules = { watch: [], ignore: [] };
* add(rules, 'watch', '*.js');
* add(rules, 'ignore', '/public/');
* add(rules, 'watch', ':(\d)*\.js'); // note: string based regexp
* add(rules, 'watch', /\d*\.js/);
*
* @param {Object} rules containing `watch` and `ignore`. Also updated during
* execution
* @param {String} which must be either "watch" or "ignore"
* @param {String|RegExp} rule the actual rule.
*/
function add(rules, which, rule) {
if (!{ ignore: 1, watch: 1}[which]) {
throw new Error('rules/index.js#add requires "ignore" or "watch" as the ' +
'first argument');
}
if (Array.isArray(rule)) {
rule.forEach(function (rule) {
add(rules, which, rule);
});
return;
}
// support the rule being a RegExp, but reformat it to
// the custom :<regexp> format that we're working with.
if (rule instanceof RegExp) {
// rule = ':' + rule.toString().replace(/^\/(.*?)\/$/g, '$1');
utils.log.error('RegExp format no longer supported, but globs are.');
return;
}
// remove comments and trim lines
// this mess of replace methods is escaping "\#" to allow for emacs temp files
// first up strip comments and remove blank head or tails
rule = (rule || '').replace(reEscComments, '^^')
.replace(reComments, '')
.replace(reUnescapeComments, '#').trim();
var regexp = false;
if (typeof rule === 'string' && rule.substring(0, 1) === ':') {
rule = rule.substring(1);
utils.log.error('RegExp no longer supported: ' + rule);
regexp = true;
} else if (rule.length === 0) {
// blank line (or it was a comment)
return;
}
if (regexp) {
// rules[which].push(rule);
} else {
// rule = rule.replace(reEscapeChars, '\\$&')
// .replace(reAsterisk, '.*');
rules[which].push(rule);
// compile a regexp of all the rules for this ignore or watch
var re = rules[which].map(function (rule) {
return rule.replace(reEscapeChars, '\\$&')
.replace(reAsterisk, '.*');
}).join('|');
// used for the directory matching
rules[which].re = new RegExp(re);
}
}

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'use strict';
var utils = require('../utils');
var add = require('./add');
var parse = require('./parse');
// exported
var rules = { ignore: [], watch: [] };
/**
* Loads a nodemon config file and populates the ignore
* and watch rules with it's contents, and calls callback
* with the new rules
*
* @param {String} filename
* @param {Function} callback
*/
function load(filename, callback) {
parse(filename, function (err, result) {
if (err) {
// we should have bombed already, but
utils.log.error(err);
callback(err);
}
if (result.raw) {
result.raw.forEach(add.bind(null, rules, 'ignore'));
} else {
result.ignore.forEach(add.bind(null, rules, 'ignore'));
result.watch.forEach(add.bind(null, rules, 'watch'));
}
callback(null, rules);
});
}
module.exports = {
reset: function () { // just used for testing
rules.ignore.length = rules.watch.length = 0;
delete rules.ignore.re;
delete rules.watch.re;
},
load: load,
ignore: {
test: add.bind(null, rules, 'ignore'),
add: add.bind(null, rules, 'ignore'),
},
watch: {
test: add.bind(null, rules, 'watch'),
add: add.bind(null, rules, 'watch'),
},
add: add.bind(null, rules),
rules: rules,
};

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'use strict';
var fs = require('fs');
/**
* Parse the nodemon config file, supporting both old style
* plain text config file, and JSON version of the config
*
* @param {String} filename
* @param {Function} callback
*/
function parse(filename, callback) {
var rules = {
ignore: [],
watch: [],
};
fs.readFile(filename, 'utf8', function (err, content) {
if (err) {
return callback(err);
}
var json = null;
try {
json = JSON.parse(content);
} catch (e) {}
if (json !== null) {
rules = {
ignore: json.ignore || [],
watch: json.watch || [],
};
return callback(null, rules);
}
// otherwise return the raw file
return callback(null, { raw: content.split(/\n/) });
});
}
module.exports = parse;

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const path = require('path');
const utils = require('./utils');
const merge = utils.merge;
const bus = utils.bus;
const spawn = require('child_process').spawn;
module.exports = function spawnCommand(command, config, eventArgs) {
var stdio = ['pipe', 'pipe', 'pipe'];
if (config.options.stdout) {
stdio = ['pipe', process.stdout, process.stderr];
}
const env = merge(process.env, { FILENAME: eventArgs[0] });
var sh = 'sh';
var shFlag = '-c';
var spawnOptions = {
env: merge(config.options.execOptions.env, env),
stdio: stdio,
};
if (!Array.isArray(command)) {
command = [command];
}
if (utils.isWindows) {
// if the exec includes a forward slash, reverse it for windows compat
// but *only* apply to the first command, and none of the arguments.
// ref #1251 and #1236
command = command.map(executable => {
if (executable.indexOf('/') === -1) {
return executable;
}
return executable.split(' ').map((e, i) => {
if (i === 0) {
return path.normalize(e);
}
return e;
}).join(' ');
});
// taken from npm's cli: https://git.io/vNFD4
sh = process.env.comspec || 'cmd';
shFlag = '/d /s /c';
spawnOptions.windowsVerbatimArguments = true;
spawnOptions.windowsHide = true;
}
const args = command.join(' ');
const child = spawn(sh, [shFlag, args], spawnOptions);
if (config.required) {
var emit = {
stdout: function (data) {
bus.emit('stdout', data);
},
stderr: function (data) {
bus.emit('stderr', data);
},
};
// now work out what to bind to...
if (config.options.stdout) {
child.on('stdout', emit.stdout).on('stderr', emit.stderr);
} else {
child.stdout.on('data', emit.stdout);
child.stderr.on('data', emit.stderr);
bus.stdout = child.stdout;
bus.stderr = child.stderr;
}
}
};

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var events = require('events');
var debug = require('debug')('nodemon');
var util = require('util');
var Bus = function () {
events.EventEmitter.call(this);
};
util.inherits(Bus, events.EventEmitter);
var bus = new Bus();
// /*
var collected = {};
bus.on('newListener', function (event) {
debug('bus new listener: %s (%s)', event, bus.listeners(event).length);
if (!collected[event]) {
collected[event] = true;
bus.on(event, function () {
debug('bus emit: %s', event);
});
}
});
// */
// proxy process messages (if forked) to the bus
process.on('message', function (event) {
debug('process.message(%s)', event);
bus.emit(event);
});
var emit = bus.emit;
// if nodemon was spawned via a fork, allow upstream communication
// via process.send
if (process.send) {
bus.emit = function (event, data) {
process.send({ type: event, data: data });
emit.apply(bus, arguments);
};
}
module.exports = bus;

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module.exports = clone;
// via http://stackoverflow.com/a/728694/22617
function clone(obj) {
// Handle the 3 simple types, and null or undefined
if (null === obj || 'object' !== typeof obj) {
return obj;
}
var copy;
// Handle Date
if (obj instanceof Date) {
copy = new Date();
copy.setTime(obj.getTime());
return copy;
}
// Handle Array
if (obj instanceof Array) {
copy = [];
for (var i = 0, len = obj.length; i < len; i++) {
copy[i] = clone(obj[i]);
}
return copy;
}
// Handle Object
if (obj instanceof Object) {
copy = {};
for (var attr in obj) {
if (obj.hasOwnProperty && obj.hasOwnProperty(attr)) {
copy[attr] = clone(obj[attr]);
}
}
return copy;
}
throw new Error('Unable to copy obj! Its type isn\'t supported.');
}

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/**
* Encodes a string in a colour: red, yellow or green
* @param {String} c colour to highlight in
* @param {String} str the string to encode
* @return {String} coloured string for terminal printing
*/
function colour(c, str) {
return (colour[c] || colour.black) + str + colour.black;
}
function strip(str) {
re.lastIndex = 0; // reset position
return str.replace(re, '');
}
colour.red = '\x1B[31m';
colour.yellow = '\x1B[33m';
colour.green = '\x1B[32m';
colour.black = '\x1B[39m';
var reStr = Object.keys(colour).map(key => colour[key]).join('|');
var re = new RegExp(('(' + reStr + ')').replace(/\[/g, '\\['), 'g');
colour.strip = strip;
module.exports = colour;

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var noop = function () { };
var path = require('path');
const semver = require('semver');
var version = process.versions.node.split('.') || [null, null, null];
var utils = (module.exports = {
semver: semver,
satisfies: test => semver.satisfies(process.versions.node, test),
version: {
major: parseInt(version[0] || 0, 10),
minor: parseInt(version[1] || 0, 10),
patch: parseInt(version[2] || 0, 10),
},
clone: require('./clone'),
merge: require('./merge'),
bus: require('./bus'),
isWindows: process.platform === 'win32',
isMac: process.platform === 'darwin',
isLinux: process.platform === 'linux',
isIBMi: require('os').type() === 'OS400',
isRequired: (function () {
var p = module.parent;
while (p) {
// in electron.js engine it happens
if (!p.filename) {
return true;
}
if (p.filename.indexOf('bin' + path.sep + 'nodemon.js') !== -1) {
return false;
}
p = p.parent;
}
return true;
})(),
home: process.env.HOME || process.env.HOMEPATH,
quiet: function () {
// nukes the logging
if (!this.debug) {
for (var method in utils.log) {
if (typeof utils.log[method] === 'function') {
utils.log[method] = noop;
}
}
}
},
reset: function () {
if (!this.debug) {
for (var method in utils.log) {
if (typeof utils.log[method] === 'function') {
delete utils.log[method];
}
}
}
this.debug = false;
},
regexpToText: function (t) {
return t
.replace(/\.\*\\./g, '*.')
.replace(/\\{2}/g, '^^')
.replace(/\\/g, '')
.replace(/\^\^/g, '\\');
},
stringify: function (exec, args) {
// serializes an executable string and array of arguments into a string
args = args || [];
return [exec]
.concat(
args.map(function (arg) {
// if an argument contains a space, we want to show it with quotes
// around it to indicate that it is a single argument
if (arg.length > 0 && arg.indexOf(' ') === -1) {
return arg;
}
// this should correctly escape nested quotes
return JSON.stringify(arg);
})
)
.join(' ')
.trim();
},
});
utils.log = require('./log')(utils.isRequired);
Object.defineProperty(utils, 'debug', {
set: function (value) {
this.log.debug = value;
},
get: function () {
return this.log.debug;
},
});
Object.defineProperty(utils, 'colours', {
set: function (value) {
this.log.useColours = value;
},
get: function () {
return this.log.useColours;
},
});

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var colour = require('./colour');
var bus = require('./bus');
var required = false;
var useColours = true;
var coding = {
log: 'black',
info: 'yellow',
status: 'green',
detail: 'yellow',
fail: 'red',
error: 'red',
};
function log(type, text) {
var msg = '[nodemon] ' + (text || '');
if (useColours) {
msg = colour(coding[type], msg);
}
// always push the message through our bus, using nextTick
// to help testing and get _out of_ promises.
process.nextTick(() => {
bus.emit('log', { type: type, message: text, colour: msg });
});
// but if we're running on the command line, also echo out
// question: should we actually just consume our own events?
if (!required) {
if (type === 'error') {
console.error(msg);
} else {
console.log(msg || '');
}
}
}
var Logger = function (r) {
if (!(this instanceof Logger)) {
return new Logger(r);
}
this.required(r);
return this;
};
Object.keys(coding).forEach(function (type) {
Logger.prototype[type] = log.bind(null, type);
});
// detail is for messages that are turned on during debug
Logger.prototype.detail = function (msg) {
if (this.debug) {
log('detail', msg);
}
};
Logger.prototype.required = function (val) {
required = val;
};
Logger.prototype.debug = false;
Logger.prototype._log = function (type, msg) {
if (required) {
bus.emit('log', { type: type, message: msg || '', colour: msg || '' });
} else if (type === 'error') {
console.error(msg);
} else {
console.log(msg || '');
}
};
Object.defineProperty(Logger.prototype, 'useColours', {
set: function (val) {
useColours = val;
},
get: function () {
return useColours;
},
});
module.exports = Logger;

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var clone = require('./clone');
module.exports = merge;
function typesMatch(a, b) {
return (typeof a === typeof b) && (Array.isArray(a) === Array.isArray(b));
}
/**
* A deep merge of the source based on the target.
* @param {Object} source [description]
* @param {Object} target [description]
* @return {Object} [description]
*/
function merge(source, target, result) {
if (result === undefined) {
result = clone(source);
}
// merge missing values from the target to the source
Object.getOwnPropertyNames(target).forEach(function (key) {
if (source[key] === undefined) {
result[key] = target[key];
}
});
Object.getOwnPropertyNames(source).forEach(function (key) {
var value = source[key];
if (target[key] && typesMatch(value, target[key])) {
// merge empty values
if (value === '') {
result[key] = target[key];
}
if (Array.isArray(value)) {
if (value.length === 0 && target[key].length) {
result[key] = target[key].slice(0);
}
} else if (typeof value === 'object') {
result[key] = merge(value, target[key]);
}
}
});
return result;
}

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module.exports = version;
module.exports.pin = pin;
var fs = require('fs');
var path = require('path');
var exec = require('child_process').exec;
var root = null;
function pin() {
return version().then(function (v) {
version.pinned = v;
});
}
function version(callback) {
// first find the package.json as this will be our root
var promise = findPackage(path.dirname(module.parent.filename))
.then(function (dir) {
// now try to load the package
var v = require(path.resolve(dir, 'package.json')).version;
if (v && v !== '0.0.0-development') {
return v;
}
root = dir;
// else we're in development, give the commit out
// get the last commit and whether the working dir is dirty
var promises = [
branch().catch(function () { return 'master'; }),
commit().catch(function () { return '<none>'; }),
dirty().catch(function () { return 0; }),
];
// use the cached result as the export
return Promise.all(promises).then(function (res) {
var branch = res[0];
var commit = res[1];
var dirtyCount = parseInt(res[2], 10);
var curr = branch + ': ' + commit;
if (dirtyCount !== 0) {
curr += ' (' + dirtyCount + ' dirty files)';
}
return curr;
});
}).catch(function (error) {
console.log(error.stack);
throw error;
});
if (callback) {
promise.then(function (res) {
callback(null, res);
}, callback);
}
return promise;
}
function findPackage(dir) {
if (dir === '/') {
return Promise.reject(new Error('package not found'));
}
return new Promise(function (resolve) {
fs.stat(path.resolve(dir, 'package.json'), function (error, exists) {
if (error || !exists) {
return resolve(findPackage(path.resolve(dir, '..')));
}
resolve(dir);
});
});
}
function command(cmd) {
return new Promise(function (resolve, reject) {
exec(cmd, { cwd: root }, function (err, stdout, stderr) {
var error = stderr.trim();
if (error) {
return reject(new Error(error));
}
resolve(stdout.split('\n').join(''));
});
});
}
function commit() {
return command('git rev-parse HEAD');
}
function branch() {
return command('git rev-parse --abbrev-ref HEAD');
}
function dirty() {
return command('expr $(git status --porcelain 2>/dev/null| ' +
'egrep "^(M| M)" | wc -l)');
}

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The MIT License (MIT)
Copyright (c) 2012-2019 Paul Miller (https://paulmillr.com), Elan Shanker
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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# Chokidar [![Weekly downloads](https://img.shields.io/npm/dw/chokidar.svg)](https://github.com/paulmillr/chokidar) [![Yearly downloads](https://img.shields.io/npm/dy/chokidar.svg)](https://github.com/paulmillr/chokidar)
> Minimal and efficient cross-platform file watching library
[![NPM](https://nodei.co/npm/chokidar.png)](https://www.npmjs.com/package/chokidar)
## Why?
Node.js `fs.watch`:
* Doesn't report filenames on MacOS.
* Doesn't report events at all when using editors like Sublime on MacOS.
* Often reports events twice.
* Emits most changes as `rename`.
* Does not provide an easy way to recursively watch file trees.
* Does not support recursive watching on Linux.
Node.js `fs.watchFile`:
* Almost as bad at event handling.
* Also does not provide any recursive watching.
* Results in high CPU utilization.
Chokidar resolves these problems.
Initially made for **[Brunch](https://brunch.io/)** (an ultra-swift web app build tool), it is now used in
[Microsoft's Visual Studio Code](https://github.com/microsoft/vscode),
[gulp](https://github.com/gulpjs/gulp/),
[karma](https://karma-runner.github.io/),
[PM2](https://github.com/Unitech/PM2),
[browserify](http://browserify.org/),
[webpack](https://webpack.github.io/),
[BrowserSync](https://www.browsersync.io/),
and [many others](https://www.npmjs.com/browse/depended/chokidar).
It has proven itself in production environments.
Version 3 is out! Check out our blog post about it: [Chokidar 3: How to save 32TB of traffic every week](https://paulmillr.com/posts/chokidar-3-save-32tb-of-traffic/)
## How?
Chokidar does still rely on the Node.js core `fs` module, but when using
`fs.watch` and `fs.watchFile` for watching, it normalizes the events it
receives, often checking for truth by getting file stats and/or dir contents.
On MacOS, chokidar by default uses a native extension exposing the Darwin
`FSEvents` API. This provides very efficient recursive watching compared with
implementations like `kqueue` available on most \*nix platforms. Chokidar still
does have to do some work to normalize the events received that way as well.
On most other platforms, the `fs.watch`-based implementation is the default, which
avoids polling and keeps CPU usage down. Be advised that chokidar will initiate
watchers recursively for everything within scope of the paths that have been
specified, so be judicious about not wasting system resources by watching much
more than needed.
## Getting started
Install with npm:
```sh
npm install chokidar
```
Then `require` and use it in your code:
```javascript
const chokidar = require('chokidar');
// One-liner for current directory
chokidar.watch('.').on('all', (event, path) => {
console.log(event, path);
});
```
## API
```javascript
// Example of a more typical implementation structure
// Initialize watcher.
const watcher = chokidar.watch('file, dir, glob, or array', {
ignored: /(^|[\/\\])\../, // ignore dotfiles
persistent: true
});
// Something to use when events are received.
const log = console.log.bind(console);
// Add event listeners.
watcher
.on('add', path => log(`File ${path} has been added`))
.on('change', path => log(`File ${path} has been changed`))
.on('unlink', path => log(`File ${path} has been removed`));
// More possible events.
watcher
.on('addDir', path => log(`Directory ${path} has been added`))
.on('unlinkDir', path => log(`Directory ${path} has been removed`))
.on('error', error => log(`Watcher error: ${error}`))
.on('ready', () => log('Initial scan complete. Ready for changes'))
.on('raw', (event, path, details) => { // internal
log('Raw event info:', event, path, details);
});
// 'add', 'addDir' and 'change' events also receive stat() results as second
// argument when available: https://nodejs.org/api/fs.html#fs_class_fs_stats
watcher.on('change', (path, stats) => {
if (stats) console.log(`File ${path} changed size to ${stats.size}`);
});
// Watch new files.
watcher.add('new-file');
watcher.add(['new-file-2', 'new-file-3', '**/other-file*']);
// Get list of actual paths being watched on the filesystem
var watchedPaths = watcher.getWatched();
// Un-watch some files.
await watcher.unwatch('new-file*');
// Stop watching.
// The method is async!
watcher.close().then(() => console.log('closed'));
// Full list of options. See below for descriptions.
// Do not use this example!
chokidar.watch('file', {
persistent: true,
ignored: '*.txt',
ignoreInitial: false,
followSymlinks: true,
cwd: '.',
disableGlobbing: false,
usePolling: false,
interval: 100,
binaryInterval: 300,
alwaysStat: false,
depth: 99,
awaitWriteFinish: {
stabilityThreshold: 2000,
pollInterval: 100
},
ignorePermissionErrors: false,
atomic: true // or a custom 'atomicity delay', in milliseconds (default 100)
});
```
`chokidar.watch(paths, [options])`
* `paths` (string or array of strings). Paths to files, dirs to be watched
recursively, or glob patterns.
- Note: globs must not contain windows separators (`\`),
because that's how they work by the standard —
you'll need to replace them with forward slashes (`/`).
- Note 2: for additional glob documentation, check out low-level
library: [picomatch](https://github.com/micromatch/picomatch).
* `options` (object) Options object as defined below:
#### Persistence
* `persistent` (default: `true`). Indicates whether the process
should continue to run as long as files are being watched. If set to
`false` when using `fsevents` to watch, no more events will be emitted
after `ready`, even if the process continues to run.
#### Path filtering
* `ignored` ([anymatch](https://github.com/es128/anymatch)-compatible definition)
Defines files/paths to be ignored. The whole relative or absolute path is
tested, not just filename. If a function with two arguments is provided, it
gets called twice per path - once with a single argument (the path), second
time with two arguments (the path and the
[`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats)
object of that path).
* `ignoreInitial` (default: `false`). If set to `false` then `add`/`addDir` events are also emitted for matching paths while
instantiating the watching as chokidar discovers these file paths (before the `ready` event).
* `followSymlinks` (default: `true`). When `false`, only the
symlinks themselves will be watched for changes instead of following
the link references and bubbling events through the link's path.
* `cwd` (no default). The base directory from which watch `paths` are to be
derived. Paths emitted with events will be relative to this.
* `disableGlobbing` (default: `false`). If set to `true` then the strings passed to `.watch()` and `.add()` are treated as
literal path names, even if they look like globs.
#### Performance
* `usePolling` (default: `false`).
Whether to use fs.watchFile (backed by polling), or fs.watch. If polling
leads to high CPU utilization, consider setting this to `false`. It is
typically necessary to **set this to `true` to successfully watch files over
a network**, and it may be necessary to successfully watch files in other
non-standard situations. Setting to `true` explicitly on MacOS overrides the
`useFsEvents` default. You may also set the CHOKIDAR_USEPOLLING env variable
to true (1) or false (0) in order to override this option.
* _Polling-specific settings_ (effective when `usePolling: true`)
* `interval` (default: `100`). Interval of file system polling, in milliseconds. You may also
set the CHOKIDAR_INTERVAL env variable to override this option.
* `binaryInterval` (default: `300`). Interval of file system
polling for binary files.
([see list of binary extensions](https://github.com/sindresorhus/binary-extensions/blob/master/binary-extensions.json))
* `useFsEvents` (default: `true` on MacOS). Whether to use the
`fsevents` watching interface if available. When set to `true` explicitly
and `fsevents` is available this supercedes the `usePolling` setting. When
set to `false` on MacOS, `usePolling: true` becomes the default.
* `alwaysStat` (default: `false`). If relying upon the
[`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats)
object that may get passed with `add`, `addDir`, and `change` events, set
this to `true` to ensure it is provided even in cases where it wasn't
already available from the underlying watch events.
* `depth` (default: `undefined`). If set, limits how many levels of
subdirectories will be traversed.
* `awaitWriteFinish` (default: `false`).
By default, the `add` event will fire when a file first appears on disk, before
the entire file has been written. Furthermore, in some cases some `change`
events will be emitted while the file is being written. In some cases,
especially when watching for large files there will be a need to wait for the
write operation to finish before responding to a file creation or modification.
Setting `awaitWriteFinish` to `true` (or a truthy value) will poll file size,
holding its `add` and `change` events until the size does not change for a
configurable amount of time. The appropriate duration setting is heavily
dependent on the OS and hardware. For accurate detection this parameter should
be relatively high, making file watching much less responsive.
Use with caution.
* *`options.awaitWriteFinish` can be set to an object in order to adjust
timing params:*
* `awaitWriteFinish.stabilityThreshold` (default: 2000). Amount of time in
milliseconds for a file size to remain constant before emitting its event.
* `awaitWriteFinish.pollInterval` (default: 100). File size polling interval, in milliseconds.
#### Errors
* `ignorePermissionErrors` (default: `false`). Indicates whether to watch files
that don't have read permissions if possible. If watching fails due to `EPERM`
or `EACCES` with this set to `true`, the errors will be suppressed silently.
* `atomic` (default: `true` if `useFsEvents` and `usePolling` are `false`).
Automatically filters out artifacts that occur when using editors that use
"atomic writes" instead of writing directly to the source file. If a file is
re-added within 100 ms of being deleted, Chokidar emits a `change` event
rather than `unlink` then `add`. If the default of 100 ms does not work well
for you, you can override it by setting `atomic` to a custom value, in
milliseconds.
### Methods & Events
`chokidar.watch()` produces an instance of `FSWatcher`. Methods of `FSWatcher`:
* `.add(path / paths)`: Add files, directories, or glob patterns for tracking.
Takes an array of strings or just one string.
* `.on(event, callback)`: Listen for an FS event.
Available events: `add`, `addDir`, `change`, `unlink`, `unlinkDir`, `ready`,
`raw`, `error`.
Additionally `all` is available which gets emitted with the underlying event
name and path for every event other than `ready`, `raw`, and `error`. `raw` is internal, use it carefully.
* `.unwatch(path / paths)`: Stop watching files, directories, or glob patterns.
Takes an array of strings or just one string.
* `.close()`: **async** Removes all listeners from watched files. Asynchronous, returns Promise. Use with `await` to ensure bugs don't happen.
* `.getWatched()`: Returns an object representing all the paths on the file
system being watched by this `FSWatcher` instance. The object's keys are all the
directories (using absolute paths unless the `cwd` option was used), and the
values are arrays of the names of the items contained in each directory.
## CLI
If you need a CLI interface for your file watching, check out
[chokidar-cli](https://github.com/open-cli-tools/chokidar-cli), allowing you to
execute a command on each change, or get a stdio stream of change events.
## Install Troubleshooting
* `npm WARN optional dep failed, continuing fsevents@n.n.n`
* This message is normal part of how `npm` handles optional dependencies and is
not indicative of a problem. Even if accompanied by other related error messages,
Chokidar should function properly.
* `TypeError: fsevents is not a constructor`
* Update chokidar by doing `rm -rf node_modules package-lock.json yarn.lock && npm install`, or update your dependency that uses chokidar.
* Chokidar is producing `ENOSP` error on Linux, like this:
* `bash: cannot set terminal process group (-1): Inappropriate ioctl for device bash: no job control in this shell`
`Error: watch /home/ ENOSPC`
* This means Chokidar ran out of file handles and you'll need to increase their count by executing the following command in Terminal:
`echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p`
## Changelog
For more detailed changelog, see [`full_changelog.md`](.github/full_changelog.md).
- **v3.5 (Jan 6, 2021):** Support for ARM Macs with Apple Silicon. Fixes for deleted symlinks.
- **v3.4 (Apr 26, 2020):** Support for directory-based symlinks. Fixes for macos file replacement.
- **v3.3 (Nov 2, 2019):** `FSWatcher#close()` method became async. That fixes IO race conditions related to close method.
- **v3.2 (Oct 1, 2019):** Improve Linux RAM usage by 50%. Race condition fixes. Windows glob fixes. Improve stability by using tight range of dependency versions.
- **v3.1 (Sep 16, 2019):** dotfiles are no longer filtered out by default. Use `ignored` option if needed. Improve initial Linux scan time by 50%.
- **v3 (Apr 30, 2019):** massive CPU & RAM consumption improvements; reduces deps / package size by a factor of 17x and bumps Node.js requirement to v8.16 and higher.
- **v2 (Dec 29, 2017):** Globs are now posix-style-only; without windows support. Tons of bugfixes.
- **v1 (Apr 7, 2015):** Glob support, symlink support, tons of bugfixes. Node 0.8+ is supported
- **v0.1 (Apr 20, 2012):** Initial release, extracted from [Brunch](https://github.com/brunch/brunch/blob/9847a065aea300da99bd0753f90354cde9de1261/src/helpers.coffee#L66)
## Also
Why was chokidar named this way? What's the meaning behind it?
>Chowkidar is a transliteration of a Hindi word meaning 'watchman, gatekeeper', चौकीदार. This ultimately comes from Sanskrit _ चतुष्क_ (crossway, quadrangle, consisting-of-four). This word is also used in other languages like Urdu as (چوکیدار) which is widely used in Pakistan and India.
## License
MIT (c) Paul Miller (<https://paulmillr.com>), see [LICENSE](LICENSE) file.

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'use strict';
const { EventEmitter } = require('events');
const fs = require('fs');
const sysPath = require('path');
const { promisify } = require('util');
const readdirp = require('readdirp');
const anymatch = require('anymatch').default;
const globParent = require('glob-parent');
const isGlob = require('is-glob');
const braces = require('braces');
const normalizePath = require('normalize-path');
const NodeFsHandler = require('./lib/nodefs-handler');
const FsEventsHandler = require('./lib/fsevents-handler');
const {
EV_ALL,
EV_READY,
EV_ADD,
EV_CHANGE,
EV_UNLINK,
EV_ADD_DIR,
EV_UNLINK_DIR,
EV_RAW,
EV_ERROR,
STR_CLOSE,
STR_END,
BACK_SLASH_RE,
DOUBLE_SLASH_RE,
SLASH_OR_BACK_SLASH_RE,
DOT_RE,
REPLACER_RE,
SLASH,
SLASH_SLASH,
BRACE_START,
BANG,
ONE_DOT,
TWO_DOTS,
GLOBSTAR,
SLASH_GLOBSTAR,
ANYMATCH_OPTS,
STRING_TYPE,
FUNCTION_TYPE,
EMPTY_STR,
EMPTY_FN,
isWindows,
isMacos,
isIBMi
} = require('./lib/constants');
const stat = promisify(fs.stat);
const readdir = promisify(fs.readdir);
/**
* @typedef {String} Path
* @typedef {'all'|'add'|'addDir'|'change'|'unlink'|'unlinkDir'|'raw'|'error'|'ready'} EventName
* @typedef {'readdir'|'watch'|'add'|'remove'|'change'} ThrottleType
*/
/**
*
* @typedef {Object} WatchHelpers
* @property {Boolean} followSymlinks
* @property {'stat'|'lstat'} statMethod
* @property {Path} path
* @property {Path} watchPath
* @property {Function} entryPath
* @property {Boolean} hasGlob
* @property {Object} globFilter
* @property {Function} filterPath
* @property {Function} filterDir
*/
const arrify = (value = []) => Array.isArray(value) ? value : [value];
const flatten = (list, result = []) => {
list.forEach(item => {
if (Array.isArray(item)) {
flatten(item, result);
} else {
result.push(item);
}
});
return result;
};
const unifyPaths = (paths_) => {
/**
* @type {Array<String>}
*/
const paths = flatten(arrify(paths_));
if (!paths.every(p => typeof p === STRING_TYPE)) {
throw new TypeError(`Non-string provided as watch path: ${paths}`);
}
return paths.map(normalizePathToUnix);
};
// If SLASH_SLASH occurs at the beginning of path, it is not replaced
// because "//StoragePC/DrivePool/Movies" is a valid network path
const toUnix = (string) => {
let str = string.replace(BACK_SLASH_RE, SLASH);
let prepend = false;
if (str.startsWith(SLASH_SLASH)) {
prepend = true;
}
while (str.match(DOUBLE_SLASH_RE)) {
str = str.replace(DOUBLE_SLASH_RE, SLASH);
}
if (prepend) {
str = SLASH + str;
}
return str;
};
// Our version of upath.normalize
// TODO: this is not equal to path-normalize module - investigate why
const normalizePathToUnix = (path) => toUnix(sysPath.normalize(toUnix(path)));
const normalizeIgnored = (cwd = EMPTY_STR) => (path) => {
if (typeof path !== STRING_TYPE) return path;
return normalizePathToUnix(sysPath.isAbsolute(path) ? path : sysPath.join(cwd, path));
};
const getAbsolutePath = (path, cwd) => {
if (sysPath.isAbsolute(path)) {
return path;
}
if (path.startsWith(BANG)) {
return BANG + sysPath.join(cwd, path.slice(1));
}
return sysPath.join(cwd, path);
};
const undef = (opts, key) => opts[key] === undefined;
/**
* Directory entry.
* @property {Path} path
* @property {Set<Path>} items
*/
class DirEntry {
/**
* @param {Path} dir
* @param {Function} removeWatcher
*/
constructor(dir, removeWatcher) {
this.path = dir;
this._removeWatcher = removeWatcher;
/** @type {Set<Path>} */
this.items = new Set();
}
add(item) {
const {items} = this;
if (!items) return;
if (item !== ONE_DOT && item !== TWO_DOTS) items.add(item);
}
async remove(item) {
const {items} = this;
if (!items) return;
items.delete(item);
if (items.size > 0) return;
const dir = this.path;
try {
await readdir(dir);
} catch (err) {
if (this._removeWatcher) {
this._removeWatcher(sysPath.dirname(dir), sysPath.basename(dir));
}
}
}
has(item) {
const {items} = this;
if (!items) return;
return items.has(item);
}
/**
* @returns {Array<String>}
*/
getChildren() {
const {items} = this;
if (!items) return;
return [...items.values()];
}
dispose() {
this.items.clear();
delete this.path;
delete this._removeWatcher;
delete this.items;
Object.freeze(this);
}
}
const STAT_METHOD_F = 'stat';
const STAT_METHOD_L = 'lstat';
class WatchHelper {
constructor(path, watchPath, follow, fsw) {
this.fsw = fsw;
this.path = path = path.replace(REPLACER_RE, EMPTY_STR);
this.watchPath = watchPath;
this.fullWatchPath = sysPath.resolve(watchPath);
this.hasGlob = watchPath !== path;
/** @type {object|boolean} */
if (path === EMPTY_STR) this.hasGlob = false;
this.globSymlink = this.hasGlob && follow ? undefined : false;
this.globFilter = this.hasGlob ? anymatch(path, undefined, ANYMATCH_OPTS) : false;
this.dirParts = this.getDirParts(path);
this.dirParts.forEach((parts) => {
if (parts.length > 1) parts.pop();
});
this.followSymlinks = follow;
this.statMethod = follow ? STAT_METHOD_F : STAT_METHOD_L;
}
checkGlobSymlink(entry) {
// only need to resolve once
// first entry should always have entry.parentDir === EMPTY_STR
if (this.globSymlink === undefined) {
this.globSymlink = entry.fullParentDir === this.fullWatchPath ?
false : {realPath: entry.fullParentDir, linkPath: this.fullWatchPath};
}
if (this.globSymlink) {
return entry.fullPath.replace(this.globSymlink.realPath, this.globSymlink.linkPath);
}
return entry.fullPath;
}
entryPath(entry) {
return sysPath.join(this.watchPath,
sysPath.relative(this.watchPath, this.checkGlobSymlink(entry))
);
}
filterPath(entry) {
const {stats} = entry;
if (stats && stats.isSymbolicLink()) return this.filterDir(entry);
const resolvedPath = this.entryPath(entry);
const matchesGlob = this.hasGlob && typeof this.globFilter === FUNCTION_TYPE ?
this.globFilter(resolvedPath) : true;
return matchesGlob &&
this.fsw._isntIgnored(resolvedPath, stats) &&
this.fsw._hasReadPermissions(stats);
}
getDirParts(path) {
if (!this.hasGlob) return [];
const parts = [];
const expandedPath = path.includes(BRACE_START) ? braces.expand(path) : [path];
expandedPath.forEach((path) => {
parts.push(sysPath.relative(this.watchPath, path).split(SLASH_OR_BACK_SLASH_RE));
});
return parts;
}
filterDir(entry) {
if (this.hasGlob) {
const entryParts = this.getDirParts(this.checkGlobSymlink(entry));
let globstar = false;
this.unmatchedGlob = !this.dirParts.some((parts) => {
return parts.every((part, i) => {
if (part === GLOBSTAR) globstar = true;
return globstar || !entryParts[0][i] || anymatch(part, entryParts[0][i], ANYMATCH_OPTS);
});
});
}
return !this.unmatchedGlob && this.fsw._isntIgnored(this.entryPath(entry), entry.stats);
}
}
/**
* Watches files & directories for changes. Emitted events:
* `add`, `addDir`, `change`, `unlink`, `unlinkDir`, `all`, `error`
*
* new FSWatcher()
* .add(directories)
* .on('add', path => log('File', path, 'was added'))
*/
class FSWatcher extends EventEmitter {
// Not indenting methods for history sake; for now.
constructor(_opts) {
super();
const opts = {};
if (_opts) Object.assign(opts, _opts); // for frozen objects
/** @type {Map<String, DirEntry>} */
this._watched = new Map();
/** @type {Map<String, Array>} */
this._closers = new Map();
/** @type {Set<String>} */
this._ignoredPaths = new Set();
/** @type {Map<ThrottleType, Map>} */
this._throttled = new Map();
/** @type {Map<Path, String|Boolean>} */
this._symlinkPaths = new Map();
this._streams = new Set();
this.closed = false;
// Set up default options.
if (undef(opts, 'persistent')) opts.persistent = true;
if (undef(opts, 'ignoreInitial')) opts.ignoreInitial = false;
if (undef(opts, 'ignorePermissionErrors')) opts.ignorePermissionErrors = false;
if (undef(opts, 'interval')) opts.interval = 100;
if (undef(opts, 'binaryInterval')) opts.binaryInterval = 300;
if (undef(opts, 'disableGlobbing')) opts.disableGlobbing = false;
opts.enableBinaryInterval = opts.binaryInterval !== opts.interval;
// Enable fsevents on OS X when polling isn't explicitly enabled.
if (undef(opts, 'useFsEvents')) opts.useFsEvents = !opts.usePolling;
// If we can't use fsevents, ensure the options reflect it's disabled.
const canUseFsEvents = FsEventsHandler.canUse();
if (!canUseFsEvents) opts.useFsEvents = false;
// Use polling on Mac if not using fsevents.
// Other platforms use non-polling fs_watch.
if (undef(opts, 'usePolling') && !opts.useFsEvents) {
opts.usePolling = isMacos;
}
// Always default to polling on IBM i because fs.watch() is not available on IBM i.
if(isIBMi) {
opts.usePolling = true;
}
// Global override (useful for end-developers that need to force polling for all
// instances of chokidar, regardless of usage/dependency depth)
const envPoll = process.env.CHOKIDAR_USEPOLLING;
if (envPoll !== undefined) {
const envLower = envPoll.toLowerCase();
if (envLower === 'false' || envLower === '0') {
opts.usePolling = false;
} else if (envLower === 'true' || envLower === '1') {
opts.usePolling = true;
} else {
opts.usePolling = !!envLower;
}
}
const envInterval = process.env.CHOKIDAR_INTERVAL;
if (envInterval) {
opts.interval = Number.parseInt(envInterval, 10);
}
// Editor atomic write normalization enabled by default with fs.watch
if (undef(opts, 'atomic')) opts.atomic = !opts.usePolling && !opts.useFsEvents;
if (opts.atomic) this._pendingUnlinks = new Map();
if (undef(opts, 'followSymlinks')) opts.followSymlinks = true;
if (undef(opts, 'awaitWriteFinish')) opts.awaitWriteFinish = false;
if (opts.awaitWriteFinish === true) opts.awaitWriteFinish = {};
const awf = opts.awaitWriteFinish;
if (awf) {
if (!awf.stabilityThreshold) awf.stabilityThreshold = 2000;
if (!awf.pollInterval) awf.pollInterval = 100;
this._pendingWrites = new Map();
}
if (opts.ignored) opts.ignored = arrify(opts.ignored);
let readyCalls = 0;
this._emitReady = () => {
readyCalls++;
if (readyCalls >= this._readyCount) {
this._emitReady = EMPTY_FN;
this._readyEmitted = true;
// use process.nextTick to allow time for listener to be bound
process.nextTick(() => this.emit(EV_READY));
}
};
this._emitRaw = (...args) => this.emit(EV_RAW, ...args);
this._readyEmitted = false;
this.options = opts;
// Initialize with proper watcher.
if (opts.useFsEvents) {
this._fsEventsHandler = new FsEventsHandler(this);
} else {
this._nodeFsHandler = new NodeFsHandler(this);
}
// Youre frozen when your hearts not open.
Object.freeze(opts);
}
// Public methods
/**
* Adds paths to be watched on an existing FSWatcher instance
* @param {Path|Array<Path>} paths_
* @param {String=} _origAdd private; for handling non-existent paths to be watched
* @param {Boolean=} _internal private; indicates a non-user add
* @returns {FSWatcher} for chaining
*/
add(paths_, _origAdd, _internal) {
const {cwd, disableGlobbing} = this.options;
this.closed = false;
let paths = unifyPaths(paths_);
if (cwd) {
paths = paths.map((path) => {
const absPath = getAbsolutePath(path, cwd);
// Check `path` instead of `absPath` because the cwd portion can't be a glob
if (disableGlobbing || !isGlob(path)) {
return absPath;
}
return normalizePath(absPath);
});
}
// set aside negated glob strings
paths = paths.filter((path) => {
if (path.startsWith(BANG)) {
this._ignoredPaths.add(path.slice(1));
return false;
}
// if a path is being added that was previously ignored, stop ignoring it
this._ignoredPaths.delete(path);
this._ignoredPaths.delete(path + SLASH_GLOBSTAR);
// reset the cached userIgnored anymatch fn
// to make ignoredPaths changes effective
this._userIgnored = undefined;
return true;
});
if (this.options.useFsEvents && this._fsEventsHandler) {
if (!this._readyCount) this._readyCount = paths.length;
if (this.options.persistent) this._readyCount += paths.length;
paths.forEach((path) => this._fsEventsHandler._addToFsEvents(path));
} else {
if (!this._readyCount) this._readyCount = 0;
this._readyCount += paths.length;
Promise.all(
paths.map(async path => {
const res = await this._nodeFsHandler._addToNodeFs(path, !_internal, 0, 0, _origAdd);
if (res) this._emitReady();
return res;
})
).then(results => {
if (this.closed) return;
results.filter(item => item).forEach(item => {
this.add(sysPath.dirname(item), sysPath.basename(_origAdd || item));
});
});
}
return this;
}
/**
* Close watchers or start ignoring events from specified paths.
* @param {Path|Array<Path>} paths_ - string or array of strings, file/directory paths and/or globs
* @returns {FSWatcher} for chaining
*/
unwatch(paths_) {
if (this.closed) return this;
const paths = unifyPaths(paths_);
const {cwd} = this.options;
paths.forEach((path) => {
// convert to absolute path unless relative path already matches
if (!sysPath.isAbsolute(path) && !this._closers.has(path)) {
if (cwd) path = sysPath.join(cwd, path);
path = sysPath.resolve(path);
}
this._closePath(path);
this._ignoredPaths.add(path);
if (this._watched.has(path)) {
this._ignoredPaths.add(path + SLASH_GLOBSTAR);
}
// reset the cached userIgnored anymatch fn
// to make ignoredPaths changes effective
this._userIgnored = undefined;
});
return this;
}
/**
* Close watchers and remove all listeners from watched paths.
* @returns {Promise<void>}.
*/
close() {
if (this.closed) return this._closePromise;
this.closed = true;
// Memory management.
this.removeAllListeners();
const closers = [];
this._closers.forEach(closerList => closerList.forEach(closer => {
const promise = closer();
if (promise instanceof Promise) closers.push(promise);
}));
this._streams.forEach(stream => stream.destroy());
this._userIgnored = undefined;
this._readyCount = 0;
this._readyEmitted = false;
this._watched.forEach(dirent => dirent.dispose());
['closers', 'watched', 'streams', 'symlinkPaths', 'throttled'].forEach(key => {
this[`_${key}`].clear();
});
this._closePromise = closers.length ? Promise.all(closers).then(() => undefined) : Promise.resolve();
return this._closePromise;
}
/**
* Expose list of watched paths
* @returns {Object} for chaining
*/
getWatched() {
const watchList = {};
this._watched.forEach((entry, dir) => {
const key = this.options.cwd ? sysPath.relative(this.options.cwd, dir) : dir;
watchList[key || ONE_DOT] = entry.getChildren().sort();
});
return watchList;
}
emitWithAll(event, args) {
this.emit(...args);
if (event !== EV_ERROR) this.emit(EV_ALL, ...args);
}
// Common helpers
// --------------
/**
* Normalize and emit events.
* Calling _emit DOES NOT MEAN emit() would be called!
* @param {EventName} event Type of event
* @param {Path} path File or directory path
* @param {*=} val1 arguments to be passed with event
* @param {*=} val2
* @param {*=} val3
* @returns the error if defined, otherwise the value of the FSWatcher instance's `closed` flag
*/
async _emit(event, path, val1, val2, val3) {
if (this.closed) return;
const opts = this.options;
if (isWindows) path = sysPath.normalize(path);
if (opts.cwd) path = sysPath.relative(opts.cwd, path);
/** @type Array<any> */
const args = [event, path];
if (val3 !== undefined) args.push(val1, val2, val3);
else if (val2 !== undefined) args.push(val1, val2);
else if (val1 !== undefined) args.push(val1);
const awf = opts.awaitWriteFinish;
let pw;
if (awf && (pw = this._pendingWrites.get(path))) {
pw.lastChange = new Date();
return this;
}
if (opts.atomic) {
if (event === EV_UNLINK) {
this._pendingUnlinks.set(path, args);
setTimeout(() => {
this._pendingUnlinks.forEach((entry, path) => {
this.emit(...entry);
this.emit(EV_ALL, ...entry);
this._pendingUnlinks.delete(path);
});
}, typeof opts.atomic === 'number' ? opts.atomic : 100);
return this;
}
if (event === EV_ADD && this._pendingUnlinks.has(path)) {
event = args[0] = EV_CHANGE;
this._pendingUnlinks.delete(path);
}
}
if (awf && (event === EV_ADD || event === EV_CHANGE) && this._readyEmitted) {
const awfEmit = (err, stats) => {
if (err) {
event = args[0] = EV_ERROR;
args[1] = err;
this.emitWithAll(event, args);
} else if (stats) {
// if stats doesn't exist the file must have been deleted
if (args.length > 2) {
args[2] = stats;
} else {
args.push(stats);
}
this.emitWithAll(event, args);
}
};
this._awaitWriteFinish(path, awf.stabilityThreshold, event, awfEmit);
return this;
}
if (event === EV_CHANGE) {
const isThrottled = !this._throttle(EV_CHANGE, path, 50);
if (isThrottled) return this;
}
if (opts.alwaysStat && val1 === undefined &&
(event === EV_ADD || event === EV_ADD_DIR || event === EV_CHANGE)
) {
const fullPath = opts.cwd ? sysPath.join(opts.cwd, path) : path;
let stats;
try {
stats = await stat(fullPath);
} catch (err) {}
// Suppress event when fs_stat fails, to avoid sending undefined 'stat'
if (!stats || this.closed) return;
args.push(stats);
}
this.emitWithAll(event, args);
return this;
}
/**
* Common handler for errors
* @param {Error} error
* @returns {Error|Boolean} The error if defined, otherwise the value of the FSWatcher instance's `closed` flag
*/
_handleError(error) {
const code = error && error.code;
if (error && code !== 'ENOENT' && code !== 'ENOTDIR' &&
(!this.options.ignorePermissionErrors || (code !== 'EPERM' && code !== 'EACCES'))
) {
this.emit(EV_ERROR, error);
}
return error || this.closed;
}
/**
* Helper utility for throttling
* @param {ThrottleType} actionType type being throttled
* @param {Path} path being acted upon
* @param {Number} timeout duration of time to suppress duplicate actions
* @returns {Object|false} tracking object or false if action should be suppressed
*/
_throttle(actionType, path, timeout) {
if (!this._throttled.has(actionType)) {
this._throttled.set(actionType, new Map());
}
/** @type {Map<Path, Object>} */
const action = this._throttled.get(actionType);
/** @type {Object} */
const actionPath = action.get(path);
if (actionPath) {
actionPath.count++;
return false;
}
let timeoutObject;
const clear = () => {
const item = action.get(path);
const count = item ? item.count : 0;
action.delete(path);
clearTimeout(timeoutObject);
if (item) clearTimeout(item.timeoutObject);
return count;
};
timeoutObject = setTimeout(clear, timeout);
const thr = {timeoutObject, clear, count: 0};
action.set(path, thr);
return thr;
}
_incrReadyCount() {
return this._readyCount++;
}
/**
* Awaits write operation to finish.
* Polls a newly created file for size variations. When files size does not change for 'threshold' milliseconds calls callback.
* @param {Path} path being acted upon
* @param {Number} threshold Time in milliseconds a file size must be fixed before acknowledging write OP is finished
* @param {EventName} event
* @param {Function} awfEmit Callback to be called when ready for event to be emitted.
*/
_awaitWriteFinish(path, threshold, event, awfEmit) {
let timeoutHandler;
let fullPath = path;
if (this.options.cwd && !sysPath.isAbsolute(path)) {
fullPath = sysPath.join(this.options.cwd, path);
}
const now = new Date();
const awaitWriteFinish = (prevStat) => {
fs.stat(fullPath, (err, curStat) => {
if (err || !this._pendingWrites.has(path)) {
if (err && err.code !== 'ENOENT') awfEmit(err);
return;
}
const now = Number(new Date());
if (prevStat && curStat.size !== prevStat.size) {
this._pendingWrites.get(path).lastChange = now;
}
const pw = this._pendingWrites.get(path);
const df = now - pw.lastChange;
if (df >= threshold) {
this._pendingWrites.delete(path);
awfEmit(undefined, curStat);
} else {
timeoutHandler = setTimeout(
awaitWriteFinish,
this.options.awaitWriteFinish.pollInterval,
curStat
);
}
});
};
if (!this._pendingWrites.has(path)) {
this._pendingWrites.set(path, {
lastChange: now,
cancelWait: () => {
this._pendingWrites.delete(path);
clearTimeout(timeoutHandler);
return event;
}
});
timeoutHandler = setTimeout(
awaitWriteFinish,
this.options.awaitWriteFinish.pollInterval
);
}
}
_getGlobIgnored() {
return [...this._ignoredPaths.values()];
}
/**
* Determines whether user has asked to ignore this path.
* @param {Path} path filepath or dir
* @param {fs.Stats=} stats result of fs.stat
* @returns {Boolean}
*/
_isIgnored(path, stats) {
if (this.options.atomic && DOT_RE.test(path)) return true;
if (!this._userIgnored) {
const {cwd} = this.options;
const ign = this.options.ignored;
const ignored = ign && ign.map(normalizeIgnored(cwd));
const paths = arrify(ignored)
.filter((path) => typeof path === STRING_TYPE && !isGlob(path))
.map((path) => path + SLASH_GLOBSTAR);
const list = this._getGlobIgnored().map(normalizeIgnored(cwd)).concat(ignored, paths);
this._userIgnored = anymatch(list, undefined, ANYMATCH_OPTS);
}
return this._userIgnored([path, stats]);
}
_isntIgnored(path, stat) {
return !this._isIgnored(path, stat);
}
/**
* Provides a set of common helpers and properties relating to symlink and glob handling.
* @param {Path} path file, directory, or glob pattern being watched
* @param {Number=} depth at any depth > 0, this isn't a glob
* @returns {WatchHelper} object containing helpers for this path
*/
_getWatchHelpers(path, depth) {
const watchPath = depth || this.options.disableGlobbing || !isGlob(path) ? path : globParent(path);
const follow = this.options.followSymlinks;
return new WatchHelper(path, watchPath, follow, this);
}
// Directory helpers
// -----------------
/**
* Provides directory tracking objects
* @param {String} directory path of the directory
* @returns {DirEntry} the directory's tracking object
*/
_getWatchedDir(directory) {
if (!this._boundRemove) this._boundRemove = this._remove.bind(this);
const dir = sysPath.resolve(directory);
if (!this._watched.has(dir)) this._watched.set(dir, new DirEntry(dir, this._boundRemove));
return this._watched.get(dir);
}
// File helpers
// ------------
/**
* Check for read permissions.
* Based on this answer on SO: https://stackoverflow.com/a/11781404/1358405
* @param {fs.Stats} stats - object, result of fs_stat
* @returns {Boolean} indicates whether the file can be read
*/
_hasReadPermissions(stats) {
if (this.options.ignorePermissionErrors) return true;
// stats.mode may be bigint
const md = stats && Number.parseInt(stats.mode, 10);
const st = md & 0o777;
const it = Number.parseInt(st.toString(8)[0], 10);
return Boolean(4 & it);
}
/**
* Handles emitting unlink events for
* files and directories, and via recursion, for
* files and directories within directories that are unlinked
* @param {String} directory within which the following item is located
* @param {String} item base path of item/directory
* @returns {void}
*/
_remove(directory, item, isDirectory) {
// if what is being deleted is a directory, get that directory's paths
// for recursive deleting and cleaning of watched object
// if it is not a directory, nestedDirectoryChildren will be empty array
const path = sysPath.join(directory, item);
const fullPath = sysPath.resolve(path);
isDirectory = isDirectory != null
? isDirectory
: this._watched.has(path) || this._watched.has(fullPath);
// prevent duplicate handling in case of arriving here nearly simultaneously
// via multiple paths (such as _handleFile and _handleDir)
if (!this._throttle('remove', path, 100)) return;
// if the only watched file is removed, watch for its return
if (!isDirectory && !this.options.useFsEvents && this._watched.size === 1) {
this.add(directory, item, true);
}
// This will create a new entry in the watched object in either case
// so we got to do the directory check beforehand
const wp = this._getWatchedDir(path);
const nestedDirectoryChildren = wp.getChildren();
// Recursively remove children directories / files.
nestedDirectoryChildren.forEach(nested => this._remove(path, nested));
// Check if item was on the watched list and remove it
const parent = this._getWatchedDir(directory);
const wasTracked = parent.has(item);
parent.remove(item);
// Fixes issue #1042 -> Relative paths were detected and added as symlinks
// (https://github.com/paulmillr/chokidar/blob/e1753ddbc9571bdc33b4a4af172d52cb6e611c10/lib/nodefs-handler.js#L612),
// but never removed from the map in case the path was deleted.
// This leads to an incorrect state if the path was recreated:
// https://github.com/paulmillr/chokidar/blob/e1753ddbc9571bdc33b4a4af172d52cb6e611c10/lib/nodefs-handler.js#L553
if (this._symlinkPaths.has(fullPath)) {
this._symlinkPaths.delete(fullPath);
}
// If we wait for this file to be fully written, cancel the wait.
let relPath = path;
if (this.options.cwd) relPath = sysPath.relative(this.options.cwd, path);
if (this.options.awaitWriteFinish && this._pendingWrites.has(relPath)) {
const event = this._pendingWrites.get(relPath).cancelWait();
if (event === EV_ADD) return;
}
// The Entry will either be a directory that just got removed
// or a bogus entry to a file, in either case we have to remove it
this._watched.delete(path);
this._watched.delete(fullPath);
const eventName = isDirectory ? EV_UNLINK_DIR : EV_UNLINK;
if (wasTracked && !this._isIgnored(path)) this._emit(eventName, path);
// Avoid conflicts if we later create another file with the same name
if (!this.options.useFsEvents) {
this._closePath(path);
}
}
/**
* Closes all watchers for a path
* @param {Path} path
*/
_closePath(path) {
this._closeFile(path)
const dir = sysPath.dirname(path);
this._getWatchedDir(dir).remove(sysPath.basename(path));
}
/**
* Closes only file-specific watchers
* @param {Path} path
*/
_closeFile(path) {
const closers = this._closers.get(path);
if (!closers) return;
closers.forEach(closer => closer());
this._closers.delete(path);
}
/**
*
* @param {Path} path
* @param {Function} closer
*/
_addPathCloser(path, closer) {
if (!closer) return;
let list = this._closers.get(path);
if (!list) {
list = [];
this._closers.set(path, list);
}
list.push(closer);
}
_readdirp(root, opts) {
if (this.closed) return;
const options = {type: EV_ALL, alwaysStat: true, lstat: true, ...opts};
let stream = readdirp(root, options);
this._streams.add(stream);
stream.once(STR_CLOSE, () => {
stream = undefined;
});
stream.once(STR_END, () => {
if (stream) {
this._streams.delete(stream);
stream = undefined;
}
});
return stream;
}
}
// Export FSWatcher class
exports.FSWatcher = FSWatcher;
/**
* Instantiates watcher with paths to be tracked.
* @param {String|Array<String>} paths file/directory paths and/or globs
* @param {Object=} options chokidar opts
* @returns an instance of FSWatcher for chaining.
*/
const watch = (paths, options) => {
const watcher = new FSWatcher(options);
watcher.add(paths);
return watcher;
};
exports.watch = watch;

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'use strict';
const {sep} = require('path');
const {platform} = process;
const os = require('os');
exports.EV_ALL = 'all';
exports.EV_READY = 'ready';
exports.EV_ADD = 'add';
exports.EV_CHANGE = 'change';
exports.EV_ADD_DIR = 'addDir';
exports.EV_UNLINK = 'unlink';
exports.EV_UNLINK_DIR = 'unlinkDir';
exports.EV_RAW = 'raw';
exports.EV_ERROR = 'error';
exports.STR_DATA = 'data';
exports.STR_END = 'end';
exports.STR_CLOSE = 'close';
exports.FSEVENT_CREATED = 'created';
exports.FSEVENT_MODIFIED = 'modified';
exports.FSEVENT_DELETED = 'deleted';
exports.FSEVENT_MOVED = 'moved';
exports.FSEVENT_CLONED = 'cloned';
exports.FSEVENT_UNKNOWN = 'unknown';
exports.FSEVENT_FLAG_MUST_SCAN_SUBDIRS = 1;
exports.FSEVENT_TYPE_FILE = 'file';
exports.FSEVENT_TYPE_DIRECTORY = 'directory';
exports.FSEVENT_TYPE_SYMLINK = 'symlink';
exports.KEY_LISTENERS = 'listeners';
exports.KEY_ERR = 'errHandlers';
exports.KEY_RAW = 'rawEmitters';
exports.HANDLER_KEYS = [exports.KEY_LISTENERS, exports.KEY_ERR, exports.KEY_RAW];
exports.DOT_SLASH = `.${sep}`;
exports.BACK_SLASH_RE = /\\/g;
exports.DOUBLE_SLASH_RE = /\/\//;
exports.SLASH_OR_BACK_SLASH_RE = /[/\\]/;
exports.DOT_RE = /\..*\.(sw[px])$|~$|\.subl.*\.tmp/;
exports.REPLACER_RE = /^\.[/\\]/;
exports.SLASH = '/';
exports.SLASH_SLASH = '//';
exports.BRACE_START = '{';
exports.BANG = '!';
exports.ONE_DOT = '.';
exports.TWO_DOTS = '..';
exports.STAR = '*';
exports.GLOBSTAR = '**';
exports.ROOT_GLOBSTAR = '/**/*';
exports.SLASH_GLOBSTAR = '/**';
exports.DIR_SUFFIX = 'Dir';
exports.ANYMATCH_OPTS = {dot: true};
exports.STRING_TYPE = 'string';
exports.FUNCTION_TYPE = 'function';
exports.EMPTY_STR = '';
exports.EMPTY_FN = () => {};
exports.IDENTITY_FN = val => val;
exports.isWindows = platform === 'win32';
exports.isMacos = platform === 'darwin';
exports.isLinux = platform === 'linux';
exports.isIBMi = os.type() === 'OS400';

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'use strict';
const fs = require('fs');
const sysPath = require('path');
const { promisify } = require('util');
let fsevents;
try {
fsevents = require('fsevents');
} catch (error) {
if (process.env.CHOKIDAR_PRINT_FSEVENTS_REQUIRE_ERROR) console.error(error);
}
if (fsevents) {
// TODO: real check
const mtch = process.version.match(/v(\d+)\.(\d+)/);
if (mtch && mtch[1] && mtch[2]) {
const maj = Number.parseInt(mtch[1], 10);
const min = Number.parseInt(mtch[2], 10);
if (maj === 8 && min < 16) {
fsevents = undefined;
}
}
}
const {
EV_ADD,
EV_CHANGE,
EV_ADD_DIR,
EV_UNLINK,
EV_ERROR,
STR_DATA,
STR_END,
FSEVENT_CREATED,
FSEVENT_MODIFIED,
FSEVENT_DELETED,
FSEVENT_MOVED,
// FSEVENT_CLONED,
FSEVENT_UNKNOWN,
FSEVENT_FLAG_MUST_SCAN_SUBDIRS,
FSEVENT_TYPE_FILE,
FSEVENT_TYPE_DIRECTORY,
FSEVENT_TYPE_SYMLINK,
ROOT_GLOBSTAR,
DIR_SUFFIX,
DOT_SLASH,
FUNCTION_TYPE,
EMPTY_FN,
IDENTITY_FN
} = require('./constants');
const Depth = (value) => isNaN(value) ? {} : {depth: value};
const stat = promisify(fs.stat);
const lstat = promisify(fs.lstat);
const realpath = promisify(fs.realpath);
const statMethods = { stat, lstat };
/**
* @typedef {String} Path
*/
/**
* @typedef {Object} FsEventsWatchContainer
* @property {Set<Function>} listeners
* @property {Function} rawEmitter
* @property {{stop: Function}} watcher
*/
// fsevents instance helper functions
/**
* Object to hold per-process fsevents instances (may be shared across chokidar FSWatcher instances)
* @type {Map<Path,FsEventsWatchContainer>}
*/
const FSEventsWatchers = new Map();
// Threshold of duplicate path prefixes at which to start
// consolidating going forward
const consolidateThreshhold = 10;
const wrongEventFlags = new Set([
69888, 70400, 71424, 72704, 73472, 131328, 131840, 262912
]);
/**
* Instantiates the fsevents interface
* @param {Path} path path to be watched
* @param {Function} callback called when fsevents is bound and ready
* @returns {{stop: Function}} new fsevents instance
*/
const createFSEventsInstance = (path, callback) => {
const stop = fsevents.watch(path, callback);
return {stop};
};
/**
* Instantiates the fsevents interface or binds listeners to an existing one covering
* the same file tree.
* @param {Path} path - to be watched
* @param {Path} realPath - real path for symlinks
* @param {Function} listener - called when fsevents emits events
* @param {Function} rawEmitter - passes data to listeners of the 'raw' event
* @returns {Function} closer
*/
function setFSEventsListener(path, realPath, listener, rawEmitter) {
let watchPath = sysPath.extname(realPath) ? sysPath.dirname(realPath) : realPath;
const parentPath = sysPath.dirname(watchPath);
let cont = FSEventsWatchers.get(watchPath);
// If we've accumulated a substantial number of paths that
// could have been consolidated by watching one directory
// above the current one, create a watcher on the parent
// path instead, so that we do consolidate going forward.
if (couldConsolidate(parentPath)) {
watchPath = parentPath;
}
const resolvedPath = sysPath.resolve(path);
const hasSymlink = resolvedPath !== realPath;
const filteredListener = (fullPath, flags, info) => {
if (hasSymlink) fullPath = fullPath.replace(realPath, resolvedPath);
if (
fullPath === resolvedPath ||
!fullPath.indexOf(resolvedPath + sysPath.sep)
) listener(fullPath, flags, info);
};
// check if there is already a watcher on a parent path
// modifies `watchPath` to the parent path when it finds a match
let watchedParent = false;
for (const watchedPath of FSEventsWatchers.keys()) {
if (realPath.indexOf(sysPath.resolve(watchedPath) + sysPath.sep) === 0) {
watchPath = watchedPath;
cont = FSEventsWatchers.get(watchPath);
watchedParent = true;
break;
}
}
if (cont || watchedParent) {
cont.listeners.add(filteredListener);
} else {
cont = {
listeners: new Set([filteredListener]),
rawEmitter,
watcher: createFSEventsInstance(watchPath, (fullPath, flags) => {
if (!cont.listeners.size) return;
if (flags & FSEVENT_FLAG_MUST_SCAN_SUBDIRS) return;
const info = fsevents.getInfo(fullPath, flags);
cont.listeners.forEach(list => {
list(fullPath, flags, info);
});
cont.rawEmitter(info.event, fullPath, info);
})
};
FSEventsWatchers.set(watchPath, cont);
}
// removes this instance's listeners and closes the underlying fsevents
// instance if there are no more listeners left
return () => {
const lst = cont.listeners;
lst.delete(filteredListener);
if (!lst.size) {
FSEventsWatchers.delete(watchPath);
if (cont.watcher) return cont.watcher.stop().then(() => {
cont.rawEmitter = cont.watcher = undefined;
Object.freeze(cont);
});
}
};
}
// Decide whether or not we should start a new higher-level
// parent watcher
const couldConsolidate = (path) => {
let count = 0;
for (const watchPath of FSEventsWatchers.keys()) {
if (watchPath.indexOf(path) === 0) {
count++;
if (count >= consolidateThreshhold) {
return true;
}
}
}
return false;
};
// returns boolean indicating whether fsevents can be used
const canUse = () => fsevents && FSEventsWatchers.size < 128;
// determines subdirectory traversal levels from root to path
const calcDepth = (path, root) => {
let i = 0;
while (!path.indexOf(root) && (path = sysPath.dirname(path)) !== root) i++;
return i;
};
// returns boolean indicating whether the fsevents' event info has the same type
// as the one returned by fs.stat
const sameTypes = (info, stats) => (
info.type === FSEVENT_TYPE_DIRECTORY && stats.isDirectory() ||
info.type === FSEVENT_TYPE_SYMLINK && stats.isSymbolicLink() ||
info.type === FSEVENT_TYPE_FILE && stats.isFile()
)
/**
* @mixin
*/
class FsEventsHandler {
/**
* @param {import('../index').FSWatcher} fsw
*/
constructor(fsw) {
this.fsw = fsw;
}
checkIgnored(path, stats) {
const ipaths = this.fsw._ignoredPaths;
if (this.fsw._isIgnored(path, stats)) {
ipaths.add(path);
if (stats && stats.isDirectory()) {
ipaths.add(path + ROOT_GLOBSTAR);
}
return true;
}
ipaths.delete(path);
ipaths.delete(path + ROOT_GLOBSTAR);
}
addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts) {
const event = watchedDir.has(item) ? EV_CHANGE : EV_ADD;
this.handleEvent(event, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
async checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts) {
try {
const stats = await stat(path)
if (this.fsw.closed) return;
if (sameTypes(info, stats)) {
this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
} else {
this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
} catch (error) {
if (error.code === 'EACCES') {
this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
} else {
this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
}
}
handleEvent(event, path, fullPath, realPath, parent, watchedDir, item, info, opts) {
if (this.fsw.closed || this.checkIgnored(path)) return;
if (event === EV_UNLINK) {
const isDirectory = info.type === FSEVENT_TYPE_DIRECTORY
// suppress unlink events on never before seen files
if (isDirectory || watchedDir.has(item)) {
this.fsw._remove(parent, item, isDirectory);
}
} else {
if (event === EV_ADD) {
// track new directories
if (info.type === FSEVENT_TYPE_DIRECTORY) this.fsw._getWatchedDir(path);
if (info.type === FSEVENT_TYPE_SYMLINK && opts.followSymlinks) {
// push symlinks back to the top of the stack to get handled
const curDepth = opts.depth === undefined ?
undefined : calcDepth(fullPath, realPath) + 1;
return this._addToFsEvents(path, false, true, curDepth);
}
// track new paths
// (other than symlinks being followed, which will be tracked soon)
this.fsw._getWatchedDir(parent).add(item);
}
/**
* @type {'add'|'addDir'|'unlink'|'unlinkDir'}
*/
const eventName = info.type === FSEVENT_TYPE_DIRECTORY ? event + DIR_SUFFIX : event;
this.fsw._emit(eventName, path);
if (eventName === EV_ADD_DIR) this._addToFsEvents(path, false, true);
}
}
/**
* Handle symlinks encountered during directory scan
* @param {String} watchPath - file/dir path to be watched with fsevents
* @param {String} realPath - real path (in case of symlinks)
* @param {Function} transform - path transformer
* @param {Function} globFilter - path filter in case a glob pattern was provided
* @returns {Function} closer for the watcher instance
*/
_watchWithFsEvents(watchPath, realPath, transform, globFilter) {
if (this.fsw.closed || this.fsw._isIgnored(watchPath)) return;
const opts = this.fsw.options;
const watchCallback = async (fullPath, flags, info) => {
if (this.fsw.closed) return;
if (
opts.depth !== undefined &&
calcDepth(fullPath, realPath) > opts.depth
) return;
const path = transform(sysPath.join(
watchPath, sysPath.relative(watchPath, fullPath)
));
if (globFilter && !globFilter(path)) return;
// ensure directories are tracked
const parent = sysPath.dirname(path);
const item = sysPath.basename(path);
const watchedDir = this.fsw._getWatchedDir(
info.type === FSEVENT_TYPE_DIRECTORY ? path : parent
);
// correct for wrong events emitted
if (wrongEventFlags.has(flags) || info.event === FSEVENT_UNKNOWN) {
if (typeof opts.ignored === FUNCTION_TYPE) {
let stats;
try {
stats = await stat(path);
} catch (error) {}
if (this.fsw.closed) return;
if (this.checkIgnored(path, stats)) return;
if (sameTypes(info, stats)) {
this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
} else {
this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
} else {
this.checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
} else {
switch (info.event) {
case FSEVENT_CREATED:
case FSEVENT_MODIFIED:
return this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
case FSEVENT_DELETED:
case FSEVENT_MOVED:
return this.checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
}
};
const closer = setFSEventsListener(
watchPath,
realPath,
watchCallback,
this.fsw._emitRaw
);
this.fsw._emitReady();
return closer;
}
/**
* Handle symlinks encountered during directory scan
* @param {String} linkPath path to symlink
* @param {String} fullPath absolute path to the symlink
* @param {Function} transform pre-existing path transformer
* @param {Number} curDepth level of subdirectories traversed to where symlink is
* @returns {Promise<void>}
*/
async _handleFsEventsSymlink(linkPath, fullPath, transform, curDepth) {
// don't follow the same symlink more than once
if (this.fsw.closed || this.fsw._symlinkPaths.has(fullPath)) return;
this.fsw._symlinkPaths.set(fullPath, true);
this.fsw._incrReadyCount();
try {
const linkTarget = await realpath(linkPath);
if (this.fsw.closed) return;
if (this.fsw._isIgnored(linkTarget)) {
return this.fsw._emitReady();
}
this.fsw._incrReadyCount();
// add the linkTarget for watching with a wrapper for transform
// that causes emitted paths to incorporate the link's path
this._addToFsEvents(linkTarget || linkPath, (path) => {
let aliasedPath = linkPath;
if (linkTarget && linkTarget !== DOT_SLASH) {
aliasedPath = path.replace(linkTarget, linkPath);
} else if (path !== DOT_SLASH) {
aliasedPath = sysPath.join(linkPath, path);
}
return transform(aliasedPath);
}, false, curDepth);
} catch(error) {
if (this.fsw._handleError(error)) {
return this.fsw._emitReady();
}
}
}
/**
*
* @param {Path} newPath
* @param {fs.Stats} stats
*/
emitAdd(newPath, stats, processPath, opts, forceAdd) {
const pp = processPath(newPath);
const isDir = stats.isDirectory();
const dirObj = this.fsw._getWatchedDir(sysPath.dirname(pp));
const base = sysPath.basename(pp);
// ensure empty dirs get tracked
if (isDir) this.fsw._getWatchedDir(pp);
if (dirObj.has(base)) return;
dirObj.add(base);
if (!opts.ignoreInitial || forceAdd === true) {
this.fsw._emit(isDir ? EV_ADD_DIR : EV_ADD, pp, stats);
}
}
initWatch(realPath, path, wh, processPath) {
if (this.fsw.closed) return;
const closer = this._watchWithFsEvents(
wh.watchPath,
sysPath.resolve(realPath || wh.watchPath),
processPath,
wh.globFilter
);
this.fsw._addPathCloser(path, closer);
}
/**
* Handle added path with fsevents
* @param {String} path file/dir path or glob pattern
* @param {Function|Boolean=} transform converts working path to what the user expects
* @param {Boolean=} forceAdd ensure add is emitted
* @param {Number=} priorDepth Level of subdirectories already traversed.
* @returns {Promise<void>}
*/
async _addToFsEvents(path, transform, forceAdd, priorDepth) {
if (this.fsw.closed) {
return;
}
const opts = this.fsw.options;
const processPath = typeof transform === FUNCTION_TYPE ? transform : IDENTITY_FN;
const wh = this.fsw._getWatchHelpers(path);
// evaluate what is at the path we're being asked to watch
try {
const stats = await statMethods[wh.statMethod](wh.watchPath);
if (this.fsw.closed) return;
if (this.fsw._isIgnored(wh.watchPath, stats)) {
throw null;
}
if (stats.isDirectory()) {
// emit addDir unless this is a glob parent
if (!wh.globFilter) this.emitAdd(processPath(path), stats, processPath, opts, forceAdd);
// don't recurse further if it would exceed depth setting
if (priorDepth && priorDepth > opts.depth) return;
// scan the contents of the dir
this.fsw._readdirp(wh.watchPath, {
fileFilter: entry => wh.filterPath(entry),
directoryFilter: entry => wh.filterDir(entry),
...Depth(opts.depth - (priorDepth || 0))
}).on(STR_DATA, (entry) => {
// need to check filterPath on dirs b/c filterDir is less restrictive
if (this.fsw.closed) {
return;
}
if (entry.stats.isDirectory() && !wh.filterPath(entry)) return;
const joinedPath = sysPath.join(wh.watchPath, entry.path);
const {fullPath} = entry;
if (wh.followSymlinks && entry.stats.isSymbolicLink()) {
// preserve the current depth here since it can't be derived from
// real paths past the symlink
const curDepth = opts.depth === undefined ?
undefined : calcDepth(joinedPath, sysPath.resolve(wh.watchPath)) + 1;
this._handleFsEventsSymlink(joinedPath, fullPath, processPath, curDepth);
} else {
this.emitAdd(joinedPath, entry.stats, processPath, opts, forceAdd);
}
}).on(EV_ERROR, EMPTY_FN).on(STR_END, () => {
this.fsw._emitReady();
});
} else {
this.emitAdd(wh.watchPath, stats, processPath, opts, forceAdd);
this.fsw._emitReady();
}
} catch (error) {
if (!error || this.fsw._handleError(error)) {
// TODO: Strange thing: "should not choke on an ignored watch path" will be failed without 2 ready calls -__-
this.fsw._emitReady();
this.fsw._emitReady();
}
}
if (opts.persistent && forceAdd !== true) {
if (typeof transform === FUNCTION_TYPE) {
// realpath has already been resolved
this.initWatch(undefined, path, wh, processPath);
} else {
let realPath;
try {
realPath = await realpath(wh.watchPath);
} catch (e) {}
this.initWatch(realPath, path, wh, processPath);
}
}
}
}
module.exports = FsEventsHandler;
module.exports.canUse = canUse;

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@ -0,0 +1,654 @@
'use strict';
const fs = require('fs');
const sysPath = require('path');
const { promisify } = require('util');
const isBinaryPath = require('is-binary-path');
const {
isWindows,
isLinux,
EMPTY_FN,
EMPTY_STR,
KEY_LISTENERS,
KEY_ERR,
KEY_RAW,
HANDLER_KEYS,
EV_CHANGE,
EV_ADD,
EV_ADD_DIR,
EV_ERROR,
STR_DATA,
STR_END,
BRACE_START,
STAR
} = require('./constants');
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.
const foreach = (val, fn) => {
if (val instanceof Set) {
val.forEach(fn);
} else {
fn(val);
}
};
const addAndConvert = (main, prop, item) => {
let container = main[prop];
if (!(container instanceof Set)) {
main[prop] = container = new Set([container]);
}
container.add(item);
};
const clearItem = cont => key => {
const set = cont[key];
if (set instanceof Set) {
set.clear();
} else {
delete cont[key];
}
};
const delFromSet = (main, prop, item) => {
const container = main[prop];
if (container instanceof Set) {
container.delete(item);
} else if (container === item) {
delete main[prop];
}
};
const isEmptySet = (val) => val instanceof Set ? val.size === 0 : !val;
/**
* @typedef {String} Path
*/
// fs_watch helpers
// object to hold per-process fs_watch instances
// (may be shared across chokidar FSWatcher instances)
/**
* @typedef {Object} FsWatchContainer
* @property {Set} listeners
* @property {Set} errHandlers
* @property {Set} rawEmitters
* @property {fs.FSWatcher=} watcher
* @property {Boolean=} watcherUnusable
*/
/**
* @type {Map<String,FsWatchContainer>}
*/
const FsWatchInstances = new Map();
/**
* Instantiates the fs_watch interface
* @param {String} path to be watched
* @param {Object} options to be passed to fs_watch
* @param {Function} listener main event handler
* @param {Function} errHandler emits info about errors
* @param {Function} emitRaw emits raw event data
* @returns {fs.FSWatcher} new fsevents instance
*/
function createFsWatchInstance(path, options, listener, errHandler, emitRaw) {
const handleEvent = (rawEvent, evPath) => {
listener(path);
emitRaw(rawEvent, evPath, {watchedPath: path});
// emit based on events occurring for files from a directory's watcher in
// case the file's watcher misses it (and rely on throttling to de-dupe)
if (evPath && path !== evPath) {
fsWatchBroadcast(
sysPath.resolve(path, evPath), KEY_LISTENERS, sysPath.join(path, evPath)
);
}
};
try {
return fs.watch(path, options, handleEvent);
} catch (error) {
errHandler(error);
}
}
/**
* Helper for passing fs_watch event data to a collection of listeners
* @param {Path} fullPath absolute path bound to fs_watch instance
* @param {String} type listener type
* @param {*=} val1 arguments to be passed to listeners
* @param {*=} val2
* @param {*=} val3
*/
const fsWatchBroadcast = (fullPath, type, val1, val2, val3) => {
const cont = FsWatchInstances.get(fullPath);
if (!cont) return;
foreach(cont[type], (listener) => {
listener(val1, val2, val3);
});
};
/**
* Instantiates the fs_watch interface or binds listeners
* to an existing one covering the same file system entry
* @param {String} path
* @param {String} fullPath absolute path
* @param {Object} options to be passed to fs_watch
* @param {Object} handlers container for event listener functions
*/
const setFsWatchListener = (path, fullPath, options, handlers) => {
const {listener, errHandler, rawEmitter} = handlers;
let cont = FsWatchInstances.get(fullPath);
/** @type {fs.FSWatcher=} */
let watcher;
if (!options.persistent) {
watcher = createFsWatchInstance(
path, options, listener, errHandler, rawEmitter
);
return watcher.close.bind(watcher);
}
if (cont) {
addAndConvert(cont, KEY_LISTENERS, listener);
addAndConvert(cont, KEY_ERR, errHandler);
addAndConvert(cont, KEY_RAW, rawEmitter);
} else {
watcher = createFsWatchInstance(
path,
options,
fsWatchBroadcast.bind(null, fullPath, KEY_LISTENERS),
errHandler, // no need to use broadcast here
fsWatchBroadcast.bind(null, fullPath, KEY_RAW)
);
if (!watcher) return;
watcher.on(EV_ERROR, async (error) => {
const broadcastErr = fsWatchBroadcast.bind(null, fullPath, KEY_ERR);
cont.watcherUnusable = true; // documented since Node 10.4.1
// Workaround for https://github.com/joyent/node/issues/4337
if (isWindows && error.code === 'EPERM') {
try {
const fd = await open(path, 'r');
await close(fd);
broadcastErr(error);
} catch (err) {}
} else {
broadcastErr(error);
}
});
cont = {
listeners: listener,
errHandlers: errHandler,
rawEmitters: rawEmitter,
watcher
};
FsWatchInstances.set(fullPath, cont);
}
// const index = cont.listeners.indexOf(listener);
// removes this instance's listeners and closes the underlying fs_watch
// instance if there are no more listeners left
return () => {
delFromSet(cont, KEY_LISTENERS, listener);
delFromSet(cont, KEY_ERR, errHandler);
delFromSet(cont, KEY_RAW, rawEmitter);
if (isEmptySet(cont.listeners)) {
// Check to protect against issue gh-730.
// if (cont.watcherUnusable) {
cont.watcher.close();
// }
FsWatchInstances.delete(fullPath);
HANDLER_KEYS.forEach(clearItem(cont));
cont.watcher = undefined;
Object.freeze(cont);
}
};
};
// fs_watchFile helpers
// object to hold per-process fs_watchFile instances
// (may be shared across chokidar FSWatcher instances)
const FsWatchFileInstances = new Map();
/**
* Instantiates the fs_watchFile interface or binds listeners
* to an existing one covering the same file system entry
* @param {String} path to be watched
* @param {String} fullPath absolute path
* @param {Object} options options to be passed to fs_watchFile
* @param {Object} handlers container for event listener functions
* @returns {Function} closer
*/
const setFsWatchFileListener = (path, fullPath, options, handlers) => {
const {listener, rawEmitter} = handlers;
let cont = FsWatchFileInstances.get(fullPath);
/* eslint-disable no-unused-vars, prefer-destructuring */
let listeners = new Set();
let rawEmitters = new Set();
const copts = cont && cont.options;
if (copts && (copts.persistent < options.persistent || copts.interval > options.interval)) {
// "Upgrade" the watcher to persistence or a quicker interval.
// This creates some unlikely edge case issues if the user mixes
// settings in a very weird way, but solving for those cases
// doesn't seem worthwhile for the added complexity.
listeners = cont.listeners;
rawEmitters = cont.rawEmitters;
fs.unwatchFile(fullPath);
cont = undefined;
}
/* eslint-enable no-unused-vars, prefer-destructuring */
if (cont) {
addAndConvert(cont, KEY_LISTENERS, listener);
addAndConvert(cont, KEY_RAW, rawEmitter);
} else {
// TODO
// listeners.add(listener);
// rawEmitters.add(rawEmitter);
cont = {
listeners: listener,
rawEmitters: rawEmitter,
options,
watcher: fs.watchFile(fullPath, options, (curr, prev) => {
foreach(cont.rawEmitters, (rawEmitter) => {
rawEmitter(EV_CHANGE, fullPath, {curr, prev});
});
const currmtime = curr.mtimeMs;
if (curr.size !== prev.size || currmtime > prev.mtimeMs || currmtime === 0) {
foreach(cont.listeners, (listener) => listener(path, curr));
}
})
};
FsWatchFileInstances.set(fullPath, cont);
}
// const index = cont.listeners.indexOf(listener);
// Removes this instance's listeners and closes the underlying fs_watchFile
// instance if there are no more listeners left.
return () => {
delFromSet(cont, KEY_LISTENERS, listener);
delFromSet(cont, KEY_RAW, rawEmitter);
if (isEmptySet(cont.listeners)) {
FsWatchFileInstances.delete(fullPath);
fs.unwatchFile(fullPath);
cont.options = cont.watcher = undefined;
Object.freeze(cont);
}
};
};
/**
* @mixin
*/
class NodeFsHandler {
/**
* @param {import("../index").FSWatcher} fsW
*/
constructor(fsW) {
this.fsw = fsW;
this._boundHandleError = (error) => fsW._handleError(error);
}
/**
* Watch file for changes with fs_watchFile or fs_watch.
* @param {String} path to file or dir
* @param {Function} listener on fs change
* @returns {Function} closer for the watcher instance
*/
_watchWithNodeFs(path, listener) {
const opts = this.fsw.options;
const directory = sysPath.dirname(path);
const basename = sysPath.basename(path);
const parent = this.fsw._getWatchedDir(directory);
parent.add(basename);
const absolutePath = sysPath.resolve(path);
const options = {persistent: opts.persistent};
if (!listener) listener = EMPTY_FN;
let closer;
if (opts.usePolling) {
options.interval = opts.enableBinaryInterval && isBinaryPath(basename) ?
opts.binaryInterval : opts.interval;
closer = setFsWatchFileListener(path, absolutePath, options, {
listener,
rawEmitter: this.fsw._emitRaw
});
} else {
closer = setFsWatchListener(path, absolutePath, options, {
listener,
errHandler: this._boundHandleError,
rawEmitter: this.fsw._emitRaw
});
}
return closer;
}
/**
* Watch a file and emit add event if warranted.
* @param {Path} file Path
* @param {fs.Stats} stats result of fs_stat
* @param {Boolean} initialAdd was the file added at watch instantiation?
* @returns {Function} closer for the watcher instance
*/
_handleFile(file, stats, initialAdd) {
if (this.fsw.closed) {
return;
}
const dirname = sysPath.dirname(file);
const basename = sysPath.basename(file);
const parent = this.fsw._getWatchedDir(dirname);
// stats is always present
let prevStats = stats;
// if the file is already being watched, do nothing
if (parent.has(basename)) return;
const listener = async (path, newStats) => {
if (!this.fsw._throttle(THROTTLE_MODE_WATCH, file, 5)) return;
if (!newStats || newStats.mtimeMs === 0) {
try {
const newStats = await stat(file);
if (this.fsw.closed) return;
// Check that change event was not fired because of changed only accessTime.
const at = newStats.atimeMs;
const mt = newStats.mtimeMs;
if (!at || at <= mt || mt !== prevStats.mtimeMs) {
this.fsw._emit(EV_CHANGE, file, newStats);
}
if (isLinux && prevStats.ino !== newStats.ino) {
this.fsw._closeFile(path)
prevStats = newStats;
this.fsw._addPathCloser(path, this._watchWithNodeFs(file, listener));
} else {
prevStats = newStats;
}
} catch (error) {
// Fix issues where mtime is null but file is still present
this.fsw._remove(dirname, basename);
}
// add is about to be emitted if file not already tracked in parent
} else if (parent.has(basename)) {
// Check that change event was not fired because of changed only accessTime.
const at = newStats.atimeMs;
const mt = newStats.mtimeMs;
if (!at || at <= mt || mt !== prevStats.mtimeMs) {
this.fsw._emit(EV_CHANGE, file, newStats);
}
prevStats = newStats;
}
}
// kick off the watcher
const closer = this._watchWithNodeFs(file, listener);
// emit an add event if we're supposed to
if (!(initialAdd && this.fsw.options.ignoreInitial) && this.fsw._isntIgnored(file)) {
if (!this.fsw._throttle(EV_ADD, file, 0)) return;
this.fsw._emit(EV_ADD, file, stats);
}
return closer;
}
/**
* Handle symlinks encountered while reading a dir.
* @param {Object} entry returned by readdirp
* @param {String} directory path of dir being read
* @param {String} path of this item
* @param {String} item basename of this item
* @returns {Promise<Boolean>} true if no more processing is needed for this entry.
*/
async _handleSymlink(entry, directory, path, item) {
if (this.fsw.closed) {
return;
}
const full = entry.fullPath;
const dir = this.fsw._getWatchedDir(directory);
if (!this.fsw.options.followSymlinks) {
// watch symlink directly (don't follow) and detect changes
this.fsw._incrReadyCount();
let linkPath;
try {
linkPath = await fsrealpath(path);
} catch (e) {
this.fsw._emitReady();
return true;
}
if (this.fsw.closed) return;
if (dir.has(item)) {
if (this.fsw._symlinkPaths.get(full) !== linkPath) {
this.fsw._symlinkPaths.set(full, linkPath);
this.fsw._emit(EV_CHANGE, path, entry.stats);
}
} else {
dir.add(item);
this.fsw._symlinkPaths.set(full, linkPath);
this.fsw._emit(EV_ADD, path, entry.stats);
}
this.fsw._emitReady();
return true;
}
// don't follow the same symlink more than once
if (this.fsw._symlinkPaths.has(full)) {
return true;
}
this.fsw._symlinkPaths.set(full, true);
}
_handleRead(directory, initialAdd, wh, target, dir, depth, throttler) {
// Normalize the directory name on Windows
directory = sysPath.join(directory, EMPTY_STR);
if (!wh.hasGlob) {
throttler = this.fsw._throttle('readdir', directory, 1000);
if (!throttler) return;
}
const previous = this.fsw._getWatchedDir(wh.path);
const current = new Set();
let stream = this.fsw._readdirp(directory, {
fileFilter: entry => wh.filterPath(entry),
directoryFilter: entry => wh.filterDir(entry),
depth: 0
}).on(STR_DATA, async (entry) => {
if (this.fsw.closed) {
stream = undefined;
return;
}
const item = entry.path;
let path = sysPath.join(directory, item);
current.add(item);
if (entry.stats.isSymbolicLink() && await this._handleSymlink(entry, directory, path, item)) {
return;
}
if (this.fsw.closed) {
stream = undefined;
return;
}
// Files that present in current directory snapshot
// but absent in previous are added to watch list and
// emit `add` event.
if (item === target || !target && !previous.has(item)) {
this.fsw._incrReadyCount();
// ensure relativeness of path is preserved in case of watcher reuse
path = sysPath.join(dir, sysPath.relative(dir, path));
this._addToNodeFs(path, initialAdd, wh, depth + 1);
}
}).on(EV_ERROR, this._boundHandleError);
return new Promise(resolve =>
stream.once(STR_END, () => {
if (this.fsw.closed) {
stream = undefined;
return;
}
const wasThrottled = throttler ? throttler.clear() : false;
resolve();
// Files that absent in current directory snapshot
// but present in previous emit `remove` event
// and are removed from @watched[directory].
previous.getChildren().filter((item) => {
return item !== directory &&
!current.has(item) &&
// in case of intersecting globs;
// a path may have been filtered out of this readdir, but
// shouldn't be removed because it matches a different glob
(!wh.hasGlob || wh.filterPath({
fullPath: sysPath.resolve(directory, item)
}));
}).forEach((item) => {
this.fsw._remove(directory, item);
});
stream = undefined;
// one more time for any missed in case changes came in extremely quickly
if (wasThrottled) this._handleRead(directory, false, wh, target, dir, depth, throttler);
})
);
}
/**
* Read directory to add / remove files from `@watched` list and re-read it on change.
* @param {String} dir fs path
* @param {fs.Stats} stats
* @param {Boolean} initialAdd
* @param {Number} depth relative to user-supplied path
* @param {String} target child path targeted for watch
* @param {Object} wh Common watch helpers for this path
* @param {String} realpath
* @returns {Promise<Function>} closer for the watcher instance.
*/
async _handleDir(dir, stats, initialAdd, depth, target, wh, realpath) {
const parentDir = this.fsw._getWatchedDir(sysPath.dirname(dir));
const tracked = parentDir.has(sysPath.basename(dir));
if (!(initialAdd && this.fsw.options.ignoreInitial) && !target && !tracked) {
if (!wh.hasGlob || wh.globFilter(dir)) this.fsw._emit(EV_ADD_DIR, dir, stats);
}
// ensure dir is tracked (harmless if redundant)
parentDir.add(sysPath.basename(dir));
this.fsw._getWatchedDir(dir);
let throttler;
let closer;
const oDepth = this.fsw.options.depth;
if ((oDepth == null || depth <= oDepth) && !this.fsw._symlinkPaths.has(realpath)) {
if (!target) {
await this._handleRead(dir, initialAdd, wh, target, dir, depth, throttler);
if (this.fsw.closed) return;
}
closer = this._watchWithNodeFs(dir, (dirPath, stats) => {
// if current directory is removed, do nothing
if (stats && stats.mtimeMs === 0) return;
this._handleRead(dirPath, false, wh, target, dir, depth, throttler);
});
}
return closer;
}
/**
* Handle added file, directory, or glob pattern.
* Delegates call to _handleFile / _handleDir after checks.
* @param {String} path to file or ir
* @param {Boolean} initialAdd was the file added at watch instantiation?
* @param {Object} priorWh depth relative to user-supplied path
* @param {Number} depth Child path actually targeted for watch
* @param {String=} target Child path actually targeted for watch
* @returns {Promise}
*/
async _addToNodeFs(path, initialAdd, priorWh, depth, target) {
const ready = this.fsw._emitReady;
if (this.fsw._isIgnored(path) || this.fsw.closed) {
ready();
return false;
}
const wh = this.fsw._getWatchHelpers(path, depth);
if (!wh.hasGlob && priorWh) {
wh.hasGlob = priorWh.hasGlob;
wh.globFilter = priorWh.globFilter;
wh.filterPath = entry => priorWh.filterPath(entry);
wh.filterDir = entry => priorWh.filterDir(entry);
}
// evaluate what is at the path we're being asked to watch
try {
const stats = await statMethods[wh.statMethod](wh.watchPath);
if (this.fsw.closed) return;
if (this.fsw._isIgnored(wh.watchPath, stats)) {
ready();
return false;
}
const follow = this.fsw.options.followSymlinks && !path.includes(STAR) && !path.includes(BRACE_START);
let closer;
if (stats.isDirectory()) {
const absPath = sysPath.resolve(path);
const targetPath = follow ? await fsrealpath(path) : path;
if (this.fsw.closed) return;
closer = await this._handleDir(wh.watchPath, stats, initialAdd, depth, target, wh, targetPath);
if (this.fsw.closed) return;
// preserve this symlink's target path
if (absPath !== targetPath && targetPath !== undefined) {
this.fsw._symlinkPaths.set(absPath, targetPath);
}
} else if (stats.isSymbolicLink()) {
const targetPath = follow ? await fsrealpath(path) : path;
if (this.fsw.closed) return;
const parent = sysPath.dirname(wh.watchPath);
this.fsw._getWatchedDir(parent).add(wh.watchPath);
this.fsw._emit(EV_ADD, wh.watchPath, stats);
closer = await this._handleDir(parent, stats, initialAdd, depth, path, wh, targetPath);
if (this.fsw.closed) return;
// preserve this symlink's target path
if (targetPath !== undefined) {
this.fsw._symlinkPaths.set(sysPath.resolve(path), targetPath);
}
} else {
closer = this._handleFile(wh.watchPath, stats, initialAdd);
}
ready();
this.fsw._addPathCloser(path, closer);
return false;
} catch (error) {
if (this.fsw._handleError(error)) {
ready();
return path;
}
}
}
}
module.exports = NodeFsHandler;

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@ -0,0 +1,70 @@
{
"name": "chokidar",
"description": "Minimal and efficient cross-platform file watching library",
"version": "3.6.0",
"homepage": "https://github.com/paulmillr/chokidar",
"author": "Paul Miller (https://paulmillr.com)",
"contributors": [
"Paul Miller (https://paulmillr.com)",
"Elan Shanker"
],
"engines": {
"node": ">= 8.10.0"
},
"main": "index.js",
"types": "./types/index.d.ts",
"dependencies": {
"anymatch": "~3.1.2",
"braces": "~3.0.2",
"glob-parent": "~5.1.2",
"is-binary-path": "~2.1.0",
"is-glob": "~4.0.1",
"normalize-path": "~3.0.0",
"readdirp": "~3.6.0"
},
"optionalDependencies": {
"fsevents": "~2.3.2"
},
"devDependencies": {
"@types/node": "^14",
"chai": "^4.3",
"dtslint": "^3.3.0",
"eslint": "^7.0.0",
"mocha": "^7.0.0",
"rimraf": "^3.0.0",
"sinon": "^9.0.1",
"sinon-chai": "^3.3.0",
"typescript": "^4.4.3",
"upath": "^1.2.0"
},
"files": [
"index.js",
"lib/*.js",
"types/index.d.ts"
],
"repository": {
"type": "git",
"url": "git+https://github.com/paulmillr/chokidar.git"
},
"bugs": {
"url": "https://github.com/paulmillr/chokidar/issues"
},
"license": "MIT",
"scripts": {
"dtslint": "dtslint types",
"lint": "eslint --report-unused-disable-directives --ignore-path .gitignore .",
"build": "npm ls",
"mocha": "mocha --exit --timeout 90000",
"test": "npm run lint && npm run mocha"
},
"keywords": [
"fs",
"watch",
"watchFile",
"watcher",
"watching",
"file",
"fsevents"
],
"funding": "https://paulmillr.com/funding/"
}

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// TypeScript Version: 3.0
/// <reference types="node" />
import * as fs from "fs";
import { EventEmitter } from "events";
import { Matcher } from 'anymatch';
export class FSWatcher extends EventEmitter implements fs.FSWatcher {
options: WatchOptions;
/**
* Constructs a new FSWatcher instance with optional WatchOptions parameter.
*/
constructor(options?: WatchOptions);
/**
* Add files, directories, or glob patterns for tracking. Takes an array of strings or just one
* string.
*/
add(paths: string | ReadonlyArray<string>): this;
/**
* Stop watching files, directories, or glob patterns. Takes an array of strings or just one
* string.
*/
unwatch(paths: string | ReadonlyArray<string>): this;
/**
* Returns an object representing all the paths on the file system being watched by this
* `FSWatcher` instance. The object's keys are all the directories (using absolute paths unless
* the `cwd` option was used), and the values are arrays of the names of the items contained in
* each directory.
*/
getWatched(): {
[directory: string]: string[];
};
/**
* Removes all listeners from watched files.
*/
close(): Promise<void>;
on(event: 'add'|'addDir'|'change', listener: (path: string, stats?: fs.Stats) => void): this;
on(event: 'all', listener: (eventName: 'add'|'addDir'|'change'|'unlink'|'unlinkDir', path: string, stats?: fs.Stats) => void): this;
/**
* Error occurred
*/
on(event: 'error', listener: (error: Error) => void): this;
/**
* Exposes the native Node `fs.FSWatcher events`
*/
on(event: 'raw', listener: (eventName: string, path: string, details: any) => void): this;
/**
* Fires when the initial scan is complete
*/
on(event: 'ready', listener: () => void): this;
on(event: 'unlink'|'unlinkDir', listener: (path: string) => void): this;
on(event: string, listener: (...args: any[]) => void): this;
ref(): this;
unref(): this;
}
export interface WatchOptions {
/**
* Indicates whether the process should continue to run as long as files are being watched. If
* set to `false` when using `fsevents` to watch, no more events will be emitted after `ready`,
* even if the process continues to run.
*/
persistent?: boolean;
/**
* ([anymatch](https://github.com/micromatch/anymatch)-compatible definition) Defines files/paths to
* be ignored. The whole relative or absolute path is tested, not just filename. If a function
* with two arguments is provided, it gets called twice per path - once with a single argument
* (the path), second time with two arguments (the path and the
* [`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats) object of that path).
*/
ignored?: Matcher;
/**
* If set to `false` then `add`/`addDir` events are also emitted for matching paths while
* instantiating the watching as chokidar discovers these file paths (before the `ready` event).
*/
ignoreInitial?: boolean;
/**
* When `false`, only the symlinks themselves will be watched for changes instead of following
* the link references and bubbling events through the link's path.
*/
followSymlinks?: boolean;
/**
* The base directory from which watch `paths` are to be derived. Paths emitted with events will
* be relative to this.
*/
cwd?: string;
/**
* If set to true then the strings passed to .watch() and .add() are treated as literal path
* names, even if they look like globs. Default: false.
*/
disableGlobbing?: boolean;
/**
* Whether to use fs.watchFile (backed by polling), or fs.watch. If polling leads to high CPU
* utilization, consider setting this to `false`. It is typically necessary to **set this to
* `true` to successfully watch files over a network**, and it may be necessary to successfully
* watch files in other non-standard situations. Setting to `true` explicitly on OS X overrides
* the `useFsEvents` default.
*/
usePolling?: boolean;
/**
* Whether to use the `fsevents` watching interface if available. When set to `true` explicitly
* and `fsevents` is available this supercedes the `usePolling` setting. When set to `false` on
* OS X, `usePolling: true` becomes the default.
*/
useFsEvents?: boolean;
/**
* If relying upon the [`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats) object that
* may get passed with `add`, `addDir`, and `change` events, set this to `true` to ensure it is
* provided even in cases where it wasn't already available from the underlying watch events.
*/
alwaysStat?: boolean;
/**
* If set, limits how many levels of subdirectories will be traversed.
*/
depth?: number;
/**
* Interval of file system polling.
*/
interval?: number;
/**
* Interval of file system polling for binary files. ([see list of binary extensions](https://gi
* thub.com/sindresorhus/binary-extensions/blob/master/binary-extensions.json))
*/
binaryInterval?: number;
/**
* Indicates whether to watch files that don't have read permissions if possible. If watching
* fails due to `EPERM` or `EACCES` with this set to `true`, the errors will be suppressed
* silently.
*/
ignorePermissionErrors?: boolean;
/**
* `true` if `useFsEvents` and `usePolling` are `false`). Automatically filters out artifacts
* that occur when using editors that use "atomic writes" instead of writing directly to the
* source file. If a file is re-added within 100 ms of being deleted, Chokidar emits a `change`
* event rather than `unlink` then `add`. If the default of 100 ms does not work well for you,
* you can override it by setting `atomic` to a custom value, in milliseconds.
*/
atomic?: boolean | number;
/**
* can be set to an object in order to adjust timing params:
*/
awaitWriteFinish?: AwaitWriteFinishOptions | boolean;
}
export interface AwaitWriteFinishOptions {
/**
* Amount of time in milliseconds for a file size to remain constant before emitting its event.
*/
stabilityThreshold?: number;
/**
* File size polling interval.
*/
pollInterval?: number;
}
/**
* produces an instance of `FSWatcher`.
*/
export function watch(
paths: string | ReadonlyArray<string>,
options?: WatchOptions
): FSWatcher;

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MIT License
Copyright (c) 2012-2019 Thorsten Lorenz, Paul Miller (https://paulmillr.com)
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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# readdirp [![Weekly downloads](https://img.shields.io/npm/dw/readdirp.svg)](https://github.com/paulmillr/readdirp)
Recursive version of [fs.readdir](https://nodejs.org/api/fs.html#fs_fs_readdir_path_options_callback). Exposes a **stream API** and a **promise API**.
```sh
npm install readdirp
```
```javascript
const readdirp = require('readdirp');
// Use streams to achieve small RAM & CPU footprint.
// 1) Streams example with for-await.
for await (const entry of readdirp('.')) {
const {path} = entry;
console.log(`${JSON.stringify({path})}`);
}
// 2) Streams example, non for-await.
// Print out all JS files along with their size within the current folder & subfolders.
readdirp('.', {fileFilter: '*.js', alwaysStat: true})
.on('data', (entry) => {
const {path, stats: {size}} = entry;
console.log(`${JSON.stringify({path, size})}`);
})
// Optionally call stream.destroy() in `warn()` in order to abort and cause 'close' to be emitted
.on('warn', error => console.error('non-fatal error', error))
.on('error', error => console.error('fatal error', error))
.on('end', () => console.log('done'));
// 3) Promise example. More RAM and CPU than streams / for-await.
const files = await readdirp.promise('.');
console.log(files.map(file => file.path));
// Other options.
readdirp('test', {
fileFilter: '*.js',
directoryFilter: ['!.git', '!*modules']
// directoryFilter: (di) => di.basename.length === 9
type: 'files_directories',
depth: 1
});
```
For more examples, check out `examples` directory.
## API
`const stream = readdirp(root[, options])` — **Stream API**
- Reads given root recursively and returns a `stream` of [entry infos](#entryinfo)
- Optionally can be used like `for await (const entry of stream)` with node.js 10+ (`asyncIterator`).
- `on('data', (entry) => {})` [entry info](#entryinfo) for every file / dir.
- `on('warn', (error) => {})` non-fatal `Error` that prevents a file / dir from being processed. Example: inaccessible to the user.
- `on('error', (error) => {})` fatal `Error` which also ends the stream. Example: illegal options where passed.
- `on('end')` — we are done. Called when all entries were found and no more will be emitted.
- `on('close')` — stream is destroyed via `stream.destroy()`.
Could be useful if you want to manually abort even on a non fatal error.
At that point the stream is no longer `readable` and no more entries, warning or errors are emitted
- To learn more about streams, consult the very detailed [nodejs streams documentation](https://nodejs.org/api/stream.html)
or the [stream-handbook](https://github.com/substack/stream-handbook)
`const entries = await readdirp.promise(root[, options])`**Promise API**. Returns a list of [entry infos](#entryinfo).
First argument is awalys `root`, path in which to start reading and recursing into subdirectories.
### options
- `fileFilter: ["*.js"]`: filter to include or exclude files. A `Function`, Glob string or Array of glob strings.
- **Function**: a function that takes an entry info as a parameter and returns true to include or false to exclude the entry
- **Glob string**: a string (e.g., `*.js`) which is matched using [picomatch](https://github.com/micromatch/picomatch), so go there for more
information. Globstars (`**`) are not supported since specifying a recursive pattern for an already recursive function doesn't make sense. Negated globs (as explained in the minimatch documentation) are allowed, e.g., `!*.txt` matches everything but text files.
- **Array of glob strings**: either need to be all inclusive or all exclusive (negated) patterns otherwise an error is thrown.
`['*.json', '*.js']` includes all JavaScript and Json files.
`['!.git', '!node_modules']` includes all directories except the '.git' and 'node_modules'.
- Directories that do not pass a filter will not be recursed into.
- `directoryFilter: ['!.git']`: filter to include/exclude directories found and to recurse into. Directories that do not pass a filter will not be recursed into.
- `depth: 5`: depth at which to stop recursing even if more subdirectories are found
- `type: 'files'`: determines if data events on the stream should be emitted for `'files'` (default), `'directories'`, `'files_directories'`, or `'all'`. Setting to `'all'` will also include entries for other types of file descriptors like character devices, unix sockets and named pipes.
- `alwaysStat: false`: always return `stats` property for every file. Default is `false`, readdirp will return `Dirent` entries. Setting it to `true` can double readdir execution time - use it only when you need file `size`, `mtime` etc. Cannot be enabled on node <10.10.0.
- `lstat: false`: include symlink entries in the stream along with files. When `true`, `fs.lstat` would be used instead of `fs.stat`
### `EntryInfo`
Has the following properties:
- `path: 'assets/javascripts/react.js'`: path to the file/directory (relative to given root)
- `fullPath: '/Users/dev/projects/app/assets/javascripts/react.js'`: full path to the file/directory found
- `basename: 'react.js'`: name of the file/directory
- `dirent: fs.Dirent`: built-in [dir entry object](https://nodejs.org/api/fs.html#fs_class_fs_dirent) - only with `alwaysStat: false`
- `stats: fs.Stats`: built in [stat object](https://nodejs.org/api/fs.html#fs_class_fs_stats) - only with `alwaysStat: true`
## Changelog
- 3.5 (Oct 13, 2020) disallows recursive directory-based symlinks.
Before, it could have entered infinite loop.
- 3.4 (Mar 19, 2020) adds support for directory-based symlinks.
- 3.3 (Dec 6, 2019) stabilizes RAM consumption and enables perf management with `highWaterMark` option. Fixes race conditions related to `for-await` looping.
- 3.2 (Oct 14, 2019) improves performance by 250% and makes streams implementation more idiomatic.
- 3.1 (Jul 7, 2019) brings `bigint` support to `stat` output on Windows. This is backwards-incompatible for some cases. Be careful. It you use it incorrectly, you'll see "TypeError: Cannot mix BigInt and other types, use explicit conversions".
- 3.0 brings huge performance improvements and stream backpressure support.
- Upgrading 2.x to 3.x:
- Signature changed from `readdirp(options)` to `readdirp(root, options)`
- Replaced callback API with promise API.
- Renamed `entryType` option to `type`
- Renamed `entryType: 'both'` to `'files_directories'`
- `EntryInfo`
- Renamed `stat` to `stats`
- Emitted only when `alwaysStat: true`
- `dirent` is emitted instead of `stats` by default with `alwaysStat: false`
- Renamed `name` to `basename`
- Removed `parentDir` and `fullParentDir` properties
- Supported node.js versions:
- 3.x: node 8+
- 2.x: node 0.6+
## License
Copyright (c) 2012-2019 Thorsten Lorenz, Paul Miller (<https://paulmillr.com>)
MIT License, see [LICENSE](LICENSE) file.

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// TypeScript Version: 3.2
/// <reference types="node" lib="esnext" />
import * as fs from 'fs';
import { Readable } from 'stream';
declare namespace readdir {
interface EntryInfo {
path: string;
fullPath: string;
basename: string;
stats?: fs.Stats;
dirent?: fs.Dirent;
}
interface ReaddirpOptions {
root?: string;
fileFilter?: string | string[] | ((entry: EntryInfo) => boolean);
directoryFilter?: string | string[] | ((entry: EntryInfo) => boolean);
type?: 'files' | 'directories' | 'files_directories' | 'all';
lstat?: boolean;
depth?: number;
alwaysStat?: boolean;
}
interface ReaddirpStream extends Readable, AsyncIterable<EntryInfo> {
read(): EntryInfo;
[Symbol.asyncIterator](): AsyncIterableIterator<EntryInfo>;
}
function promise(
root: string,
options?: ReaddirpOptions
): Promise<EntryInfo[]>;
}
declare function readdir(
root: string,
options?: readdir.ReaddirpOptions
): readdir.ReaddirpStream;
export = readdir;

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'use strict';
const fs = require('fs');
const { Readable } = require('stream');
const sysPath = require('path');
const { promisify } = require('util');
const picomatch = require('picomatch');
const readdir = promisify(fs.readdir);
const stat = promisify(fs.stat);
const lstat = promisify(fs.lstat);
const realpath = promisify(fs.realpath);
/**
* @typedef {Object} EntryInfo
* @property {String} path
* @property {String} fullPath
* @property {fs.Stats=} stats
* @property {fs.Dirent=} dirent
* @property {String} basename
*/
const BANG = '!';
const RECURSIVE_ERROR_CODE = 'READDIRP_RECURSIVE_ERROR';
const NORMAL_FLOW_ERRORS = new Set(['ENOENT', 'EPERM', 'EACCES', 'ELOOP', RECURSIVE_ERROR_CODE]);
const FILE_TYPE = 'files';
const DIR_TYPE = 'directories';
const FILE_DIR_TYPE = 'files_directories';
const EVERYTHING_TYPE = 'all';
const ALL_TYPES = [FILE_TYPE, DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE];
const isNormalFlowError = error => NORMAL_FLOW_ERRORS.has(error.code);
const [maj, min] = process.versions.node.split('.').slice(0, 2).map(n => Number.parseInt(n, 10));
const wantBigintFsStats = process.platform === 'win32' && (maj > 10 || (maj === 10 && min >= 5));
const normalizeFilter = filter => {
if (filter === undefined) return;
if (typeof filter === 'function') return filter;
if (typeof filter === 'string') {
const glob = picomatch(filter.trim());
return entry => glob(entry.basename);
}
if (Array.isArray(filter)) {
const positive = [];
const negative = [];
for (const item of filter) {
const trimmed = item.trim();
if (trimmed.charAt(0) === BANG) {
negative.push(picomatch(trimmed.slice(1)));
} else {
positive.push(picomatch(trimmed));
}
}
if (negative.length > 0) {
if (positive.length > 0) {
return entry =>
positive.some(f => f(entry.basename)) && !negative.some(f => f(entry.basename));
}
return entry => !negative.some(f => f(entry.basename));
}
return entry => positive.some(f => f(entry.basename));
}
};
class ReaddirpStream extends Readable {
static get defaultOptions() {
return {
root: '.',
/* eslint-disable no-unused-vars */
fileFilter: (path) => true,
directoryFilter: (path) => true,
/* eslint-enable no-unused-vars */
type: FILE_TYPE,
lstat: false,
depth: 2147483648,
alwaysStat: false
};
}
constructor(options = {}) {
super({
objectMode: true,
autoDestroy: true,
highWaterMark: options.highWaterMark || 4096
});
const opts = { ...ReaddirpStream.defaultOptions, ...options };
const { root, type } = opts;
this._fileFilter = normalizeFilter(opts.fileFilter);
this._directoryFilter = normalizeFilter(opts.directoryFilter);
const statMethod = opts.lstat ? lstat : stat;
// Use bigint stats if it's windows and stat() supports options (node 10+).
if (wantBigintFsStats) {
this._stat = path => statMethod(path, { bigint: true });
} else {
this._stat = statMethod;
}
this._maxDepth = opts.depth;
this._wantsDir = [DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE].includes(type);
this._wantsFile = [FILE_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE].includes(type);
this._wantsEverything = type === EVERYTHING_TYPE;
this._root = sysPath.resolve(root);
this._isDirent = ('Dirent' in fs) && !opts.alwaysStat;
this._statsProp = this._isDirent ? 'dirent' : 'stats';
this._rdOptions = { encoding: 'utf8', withFileTypes: this._isDirent };
// Launch stream with one parent, the root dir.
this.parents = [this._exploreDir(root, 1)];
this.reading = false;
this.parent = undefined;
}
async _read(batch) {
if (this.reading) return;
this.reading = true;
try {
while (!this.destroyed && batch > 0) {
const { path, depth, files = [] } = this.parent || {};
if (files.length > 0) {
const slice = files.splice(0, batch).map(dirent => this._formatEntry(dirent, path));
for (const entry of await Promise.all(slice)) {
if (this.destroyed) return;
const entryType = await this._getEntryType(entry);
if (entryType === 'directory' && this._directoryFilter(entry)) {
if (depth <= this._maxDepth) {
this.parents.push(this._exploreDir(entry.fullPath, depth + 1));
}
if (this._wantsDir) {
this.push(entry);
batch--;
}
} else if ((entryType === 'file' || this._includeAsFile(entry)) && this._fileFilter(entry)) {
if (this._wantsFile) {
this.push(entry);
batch--;
}
}
}
} else {
const parent = this.parents.pop();
if (!parent) {
this.push(null);
break;
}
this.parent = await parent;
if (this.destroyed) return;
}
}
} catch (error) {
this.destroy(error);
} finally {
this.reading = false;
}
}
async _exploreDir(path, depth) {
let files;
try {
files = await readdir(path, this._rdOptions);
} catch (error) {
this._onError(error);
}
return { files, depth, path };
}
async _formatEntry(dirent, path) {
let entry;
try {
const basename = this._isDirent ? dirent.name : dirent;
const fullPath = sysPath.resolve(sysPath.join(path, basename));
entry = { path: sysPath.relative(this._root, fullPath), fullPath, basename };
entry[this._statsProp] = this._isDirent ? dirent : await this._stat(fullPath);
} catch (err) {
this._onError(err);
}
return entry;
}
_onError(err) {
if (isNormalFlowError(err) && !this.destroyed) {
this.emit('warn', err);
} else {
this.destroy(err);
}
}
async _getEntryType(entry) {
// entry may be undefined, because a warning or an error were emitted
// and the statsProp is undefined
const stats = entry && entry[this._statsProp];
if (!stats) {
return;
}
if (stats.isFile()) {
return 'file';
}
if (stats.isDirectory()) {
return 'directory';
}
if (stats && stats.isSymbolicLink()) {
const full = entry.fullPath;
try {
const entryRealPath = await realpath(full);
const entryRealPathStats = await lstat(entryRealPath);
if (entryRealPathStats.isFile()) {
return 'file';
}
if (entryRealPathStats.isDirectory()) {
const len = entryRealPath.length;
if (full.startsWith(entryRealPath) && full.substr(len, 1) === sysPath.sep) {
const recursiveError = new Error(
`Circular symlink detected: "${full}" points to "${entryRealPath}"`
);
recursiveError.code = RECURSIVE_ERROR_CODE;
return this._onError(recursiveError);
}
return 'directory';
}
} catch (error) {
this._onError(error);
}
}
}
_includeAsFile(entry) {
const stats = entry && entry[this._statsProp];
return stats && this._wantsEverything && !stats.isDirectory();
}
}
/**
* @typedef {Object} ReaddirpArguments
* @property {Function=} fileFilter
* @property {Function=} directoryFilter
* @property {String=} type
* @property {Number=} depth
* @property {String=} root
* @property {Boolean=} lstat
* @property {Boolean=} bigint
*/
/**
* Main function which ends up calling readdirRec and reads all files and directories in given root recursively.
* @param {String} root Root directory
* @param {ReaddirpArguments=} options Options to specify root (start directory), filters and recursion depth
*/
const readdirp = (root, options = {}) => {
let type = options.entryType || options.type;
if (type === 'both') type = FILE_DIR_TYPE; // backwards-compatibility
if (type) options.type = type;
if (!root) {
throw new Error('readdirp: root argument is required. Usage: readdirp(root, options)');
} else if (typeof root !== 'string') {
throw new TypeError('readdirp: root argument must be a string. Usage: readdirp(root, options)');
} else if (type && !ALL_TYPES.includes(type)) {
throw new Error(`readdirp: Invalid type passed. Use one of ${ALL_TYPES.join(', ')}`);
}
options.root = root;
return new ReaddirpStream(options);
};
const readdirpPromise = (root, options = {}) => {
return new Promise((resolve, reject) => {
const files = [];
readdirp(root, options)
.on('data', entry => files.push(entry))
.on('end', () => resolve(files))
.on('error', error => reject(error));
});
};
readdirp.promise = readdirpPromise;
readdirp.ReaddirpStream = ReaddirpStream;
readdirp.default = readdirp;
module.exports = readdirp;

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{
"name": "readdirp",
"description": "Recursive version of fs.readdir with streaming API.",
"version": "3.6.0",
"homepage": "https://github.com/paulmillr/readdirp",
"repository": {
"type": "git",
"url": "git://github.com/paulmillr/readdirp.git"
},
"license": "MIT",
"bugs": {
"url": "https://github.com/paulmillr/readdirp/issues"
},
"author": "Thorsten Lorenz <thlorenz@gmx.de> (thlorenz.com)",
"contributors": [
"Thorsten Lorenz <thlorenz@gmx.de> (thlorenz.com)",
"Paul Miller (https://paulmillr.com)"
],
"main": "index.js",
"engines": {
"node": ">=8.10.0"
},
"files": [
"index.js",
"index.d.ts"
],
"keywords": [
"recursive",
"fs",
"stream",
"streams",
"readdir",
"filesystem",
"find",
"filter"
],
"scripts": {
"dtslint": "dtslint",
"nyc": "nyc",
"mocha": "mocha --exit",
"lint": "eslint --report-unused-disable-directives --ignore-path .gitignore .",
"test": "npm run lint && nyc npm run mocha"
},
"dependencies": {
"picomatch": "^2.2.1"
},
"devDependencies": {
"@types/node": "^14",
"chai": "^4.2",
"chai-subset": "^1.6",
"dtslint": "^3.3.0",
"eslint": "^7.0.0",
"mocha": "^7.1.1",
"nyc": "^15.0.0",
"rimraf": "^3.0.0",
"typescript": "^4.0.3"
},
"nyc": {
"reporter": [
"html",
"text"
]
},
"eslintConfig": {
"root": true,
"extends": "eslint:recommended",
"parserOptions": {
"ecmaVersion": 9,
"sourceType": "script"
},
"env": {
"node": true,
"es6": true
},
"rules": {
"array-callback-return": "error",
"no-empty": [
"error",
{
"allowEmptyCatch": true
}
],
"no-else-return": [
"error",
{
"allowElseIf": false
}
],
"no-lonely-if": "error",
"no-var": "error",
"object-shorthand": "error",
"prefer-arrow-callback": [
"error",
{
"allowNamedFunctions": true
}
],
"prefer-const": [
"error",
{
"ignoreReadBeforeAssign": true
}
],
"prefer-destructuring": [
"error",
{
"object": true,
"array": false
}
],
"prefer-spread": "error",
"prefer-template": "error",
"radix": "error",
"semi": "error",
"strict": "error",
"quotes": [
"error",
"single"
]
}
}
}

78
node_modules/nodemon/package.json generated vendored Normal file
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@ -0,0 +1,78 @@
{
"name": "nodemon",
"homepage": "https://nodemon.io",
"author": {
"name": "Remy Sharp",
"url": "https://github.com/remy"
},
"bin": {
"nodemon": "./bin/nodemon.js"
},
"engines": {
"node": ">=10"
},
"repository": {
"type": "git",
"url": "https://github.com/remy/nodemon.git"
},
"description": "Simple monitor script for use during development of a Node.js app.",
"keywords": [
"cli",
"monitor",
"monitor",
"development",
"restart",
"autoload",
"reload",
"terminal"
],
"license": "MIT",
"types": "./index.d.ts",
"main": "./lib/nodemon",
"scripts": {
"commitmsg": "commitlint -e",
"coverage": "istanbul cover _mocha -- --timeout 30000 --ui bdd --reporter list test/**/*.test.js",
"lint": "eslint lib/**/*.js",
"test": "npm run lint && npm run spec",
"spec": "for FILE in test/**/*.test.js; do echo $FILE; TEST=1 mocha --exit --timeout 30000 $FILE; if [ $? -ne 0 ]; then exit 1; fi; sleep 1; done",
"postspec": "npm run clean",
"clean": "rm -rf test/fixtures/test*.js test/fixtures/test*.md",
"web": "node web",
"semantic-release": "semantic-release",
"prepush": "npm run lint",
"killall": "ps auxww | grep node | grep -v grep | awk '{ print $2 }' | xargs kill -9"
},
"devDependencies": {
"@commitlint/cli": "^11.0.0",
"@commitlint/config-conventional": "^11.0.0",
"async": "1.4.2",
"coffee-script": "~1.7.1",
"eslint": "^7.32.0",
"husky": "^7.0.4",
"mocha": "^2.5.3",
"nyc": "^15.1.0",
"proxyquire": "^1.8.0",
"semantic-release": "^25.0.0",
"should": "~4.0.0"
},
"dependencies": {
"chokidar": "^3.5.2",
"debug": "^4",
"ignore-by-default": "^1.0.1",
"minimatch": "^10.2.1",
"pstree.remy": "^1.1.8",
"semver": "^7.5.3",
"simple-update-notifier": "^2.0.0",
"supports-color": "^5.5.0",
"touch": "^3.1.0",
"undefsafe": "^2.0.5"
},
"version": "3.1.14",
"funding": {
"type": "opencollective",
"url": "https://opencollective.com/nodemon"
},
"publishConfig": {
"provenance": true
}
}