https://github.com/sindresorhus/process-exists

Check if a process is running
https://github.com/sindresorhus/process-exists

Last synced: 6 days ago
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Check if a process is running

• Host: GitHub
• URL: https://github.com/sindresorhus/process-exists
• Owner: sindresorhus
• License: mit
• Created: 2015-06-20T18:13:25.000Z (over 9 years ago)
• Default Branch: main
• Last Pushed: 2021-11-04T13:53:36.000Z (about 3 years ago)
• Last Synced: 2025-01-11T23:33:41.144Z (14 days ago)
• Language: JavaScript
• Size: 19.5 KB
• Stars: 58
• Watchers: 7
• Forks: 4
• Open Issues: 2
• Metadata Files:
  • Readme: readme.md
  • License: license

Awesome Lists containing this project

• awesome-cross-platform-nodejs - process-exists - Check if a process exists. (Libraries / Processes)

README

        
# process-exists

> Check if a process is running

## Install

```sh

npm install process-exists

```

## Usage

```js

import {processExists, processExistsMultiple, filterExistingProcesses} from 'process-exists';

console.log(await processExists(process.pid));

//=> true

const exists = await processExistsMultiple([process.pid, 'foo']);

console.log(exists.get(process.pid));

//=> true

console.log(exists.get('foo'));

//=> false

console.log(filterExistingProcesses(exists));

//=> [process.pid]

```

## API

### processExists(input)

Check if a process exists.

Returns a `Promise`.

#### input

Type: `number | string`

The process ID or name to check.

### processExistsMultiple(input)

Check multiple processes if they exist.

Returns a `Promise` with the process name/ID as key and the status as a boolean value.

#### input

Type: `Array`

The process IDs or names to check.

### filterExistingProcesses(input)

Filter processes that exist.

Returns an `Array` with the processes that exist.

#### input

Type: `Array`

The process IDs or names to check.