# is-builtin-module | |
> Check if a string matches the name of a Node.js builtin module | |
## Install | |
``` | |
$ npm install is-builtin-module | |
``` | |
## Usage | |
```js | |
const isBuiltinModule = require('is-builtin-module'); | |
isBuiltinModule('fs'); | |
//=> true | |
isBuiltinModule('fs/promises'); | |
//=> true | |
isBuiltinModule('node:fs/promises'); | |
//=> true | |
isBuiltinModule('unicorn'); | |
//=> false | |
``` | |
## Related | |
- [builtin-modules](https://github.com/sindresorhus/builtin-modules) - List of the Node.js builtin modules | |
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