@carv/is
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Type checking utilities
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# @carv/is
Type checking utilities.
[](https://github.com/carvjs/is/blob/main/LICENSE)
[](https://www.npmjs.com/package/@carv/is)
[](https://bundlephobia.com/result?p=@carv/is)
[](https://unpkg.com/browse/@carv/is/dist/index.d.ts)
[](https://www.kenoxa.com)
## Installation
```sh
npm install @carv/is
```
## Usage
**Namespace Import**
```js
// ESM
import * as is from '@carv/is'
// CommonJS
const is = require('@carv/is')
is.string('a string') // => true
is.string(123) // => false
```
**Named Imports**
```js
// ESM
import { isString } from '@carv/is'
// CommonJS
const { isString } = require('@carv/is')
isString('a string') // => true
isString(123) // => false
```
## [API](https://github.com/carvjs/is/blob/main/docs/README.md)
* [isArray](https://github.com/carvjs/is/blob/main/docs/README.md#isarray)
* [isBigInt](https://github.com/carvjs/is/blob/main/docs/README.md#isbigint)
* [isBoolean](https://github.com/carvjs/is/blob/main/docs/README.md#isboolean)
* [isDate](https://github.com/carvjs/is/blob/main/docs/README.md#isdate)
* [isDefined](https://github.com/carvjs/is/blob/main/docs/README.md#isdefined)
* [isEmptyArray](https://github.com/carvjs/is/blob/main/docs/README.md#isemptyarray)
* [isEmptyString](https://github.com/carvjs/is/blob/main/docs/README.md#isemptystring)
* [isEqual](https://github.com/carvjs/is/blob/main/docs/README.md#isequal)
* [isFinite](https://github.com/carvjs/is/blob/main/docs/README.md#isfinite)
* [isFunction](https://github.com/carvjs/is/blob/main/docs/README.md#isfunction)
* [isInfinite](https://github.com/carvjs/is/blob/main/docs/README.md#isinfinite)
* [isInteger](https://github.com/carvjs/is/blob/main/docs/README.md#isinteger)
* [isLike](https://github.com/carvjs/is/blob/main/docs/README.md#islike)
* [isMatch](https://github.com/carvjs/is/blob/main/docs/README.md#ismatch)
* [isNaN](https://github.com/carvjs/is/blob/main/docs/README.md#isnan)
* [isNativePromise](https://github.com/carvjs/is/blob/main/docs/README.md#isnativepromise)
* [isNil](https://github.com/carvjs/is/blob/main/docs/README.md#isnil)
* [isNonEmptyArray](https://github.com/carvjs/is/blob/main/docs/README.md#isnonemptyarray)
* [isNonEmptyString](https://github.com/carvjs/is/blob/main/docs/README.md#isnonemptystring)
* [isNull](https://github.com/carvjs/is/blob/main/docs/README.md#isnull)
* [isNumber](https://github.com/carvjs/is/blob/main/docs/README.md#isnumber)
* [isObject](https://github.com/carvjs/is/blob/main/docs/README.md#isobject)
* [isPlainObject](https://github.com/carvjs/is/blob/main/docs/README.md#isplainobject)
* [isPrimitive](https://github.com/carvjs/is/blob/main/docs/README.md#isprimitive)
* [isPromise](https://github.com/carvjs/is/blob/main/docs/README.md#ispromise)
* [isPromiseLike](https://github.com/carvjs/is/blob/main/docs/README.md#ispromiselike)
* [isRegExp](https://github.com/carvjs/is/blob/main/docs/README.md#isregexp)
* [isSafeInteger](https://github.com/carvjs/is/blob/main/docs/README.md#issafeinteger)
* [isString](https://github.com/carvjs/is/blob/main/docs/README.md#isstring)
* [isSymbol](https://github.com/carvjs/is/blob/main/docs/README.md#issymbol)
* [isType](https://github.com/carvjs/is/blob/main/docs/README.md#istype)
* [isUndefined](https://github.com/carvjs/is/blob/main/docs/README.md#isundefined)
* [isValidDate](https://github.com/carvjs/is/blob/main/docs/README.md#isvaliddate)
## Support
This project is free and open-source, so if you think this project can help you or anyone else, you may [star it on GitHub](https://github.com/carvjs/is). Feel free to [open an issue](https://github.com/carvjs/is/issues) if you have any idea, question, or you've found a bug.
## Contribute
Thanks for being willing to contribute!
**Working on your first Pull Request?** You can learn how from this _free_ series [How to Contribute to an Open Source Project on GitHub](https://egghead.io/series/how-to-contribute-to-an-open-source-project-on-github)
We are following the [Conventional Commits](https://www.conventionalcommits.org) convention.
### Develop
- `yarn test`: Run test suite
- `yarn build`: Generate bundles
- `yarn lint`: Lints code
## Sponsors
[](https://www.kenoxa.com) [Kenoxa GmbH](https://www.kenoxa.com)
## License
[MIT](https://github.com/carvjs/is/blob/main/LICENSE) © [Kenoxa GmbH](https://kenoxa.com)