https://github.com/dandre3000/environment

https://github.com/dandre3000/environment

Last synced: about 2 months ago
JSON representation

• Host: GitHub
• URL: https://github.com/dandre3000/environment
• Owner: dandre3000
• License: mit
• Created: 2026-04-16T19:45:58.000Z (2 months ago)
• Default Branch: main
• Last Pushed: 2026-04-17T00:35:30.000Z (2 months ago)
• Last Synced: 2026-04-20T02:44:21.780Z (2 months ago)
• Language: JavaScript
• Size: 5.86 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# @dandre3000/environment

Check if code is running on the main thread or a worker of a browser, node, bun or deno instance.

## Installation

npm i @dandre3000/environment

## Usage

```js

import { isMainThread, runtime } from '@dandre3000/environment'

if (isMainThread) {

    const url = new URL(import.meta.url)

    

    if (runtime === 'node') {

        const worker = new (await import('node:worker_threads')).Worker(url)

        worker.on('message', data => console.log(data))

    } else {

        const worker = new Worker(url, { type: 'module' })

        worker.addEventListener('message', ({ data }) => console.log(data))

    }

} else {

    if (runtime === 'node') {

        (await import('node:worker_threads')).parentPort.postMessage('YOOO')

    } else {

        postMessage('YOOO')

    }

}

```

## Exports

#### runtime: 'bun' | 'browser' | 'deno' | 'node'

The name of the current runtme.

#### isMainThread: boolean

True if the current global scope is the main thread or false otherwise.

## License

[MIT](https://github.com/dandre3000/environment/blob/main/LICENSE)