sindresorhus/process-exists

Check if a process is running

process-exists

Check if a process is running

Install

npm install process-exists

Usage

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<boolean>.

input

Type: number | string

The process ID or name to check.

processExistsMultiple(input)

Check multiple processes if they exist.

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

input

Type: Array<number | string>

The process IDs or names to check.

filterExistingProcesses(input)

Filter processes that exist.

Returns an Array<number | string> with the processes that exist.

input

Type: Array<number | string>

The process IDs or names to check.