is-npm

Check if your code is running as an npm or yarn script

Install

npm install is-npm

Usage

import {isNpmOrYarn, isNpm, isYarn} from 'is-npm';

console.table({isNpmOrYarn, isNpm, isYarn});

$ node foo.js
# ┌─────────────┬────────┐
# │   (index)   │ Values │
# ├─────────────┼────────┤
# │ isNpmOrYarn │ false  │
# │    isNpm    │ false  │
# │   isYarn    │ false  │
# └─────────────┴────────┘
$ npm run foo
# ┌─────────────┬────────┐
# │   (index)   │ Values │
# ├─────────────┼────────┤
# │ isNpmOrYarn │  true  │
# │    isNpm    │  true  │
# │   isYarn    │ false  │
# └─────────────┴────────┘
$ yarn run foo
# ┌─────────────┬────────┐
# │   (index)   │ Values │
# ├─────────────┼────────┤
# │ isNpmOrYarn │  true  │
# │    isNpm    │ false  │
# │   isYarn    │  true  │
# └─────────────┴────────┘

Related

• is-npm-cli - CLI for this module

Current Tags

• 6.0.0                                ...           latest (4 years ago)

6 Versions

• 6.0.0                                ...           4 years ago
• 5.0.0                                ...           5 years ago
• 4.0.0                                ...           6 years ago
• 3.0.0                                ...           7 years ago
• 2.0.0                                ...           8 years ago
• 1.0.0                                ...           11 years ago