@stdlib/assert/is-empty-string/README.md

Standard assertion utilities.

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# isEmptyString

> Test if a value is an empty string.

<section class="usage">

## Usage

```javascript
var isEmptyString = require( '@stdlib/assert/is-empty-string' );
```

#### isEmptyString( value )

Tests if a value is an empty `string`.

<!-- eslint-disable no-new-wrappers -->

```javascript
var bool = isEmptyString( '' );
// returns true

bool = isEmptyString( new String( '' ) );
// returns true
```

#### isEmptyString.isPrimitive( value )

Tests if a `value` is an empty primitive `string`.

<!-- eslint-disable no-new-wrappers -->

```javascript
var bool = isEmptyString.isPrimitive( '' );
// returns true

bool = isEmptyString.isPrimitive( new String( '' ) );
// returns false
```

#### isEmptyString.isObject( value )

Tests if a `value` is an empty `String` object.

<!-- eslint-disable no-new-wrappers -->

```javascript
var bool = isEmptyString.isObject( '' );
// returns false

bool = isEmptyString.isObject( new String( '' ) );
// returns true
```

</section>

<!-- /.usage -->

<section class="examples">

## Examples

<!-- eslint-disable no-new-wrappers, no-restricted-syntax, no-empty-function -->

<!-- eslint no-undef: "error" -->

```javascript
var isEmptyString = require( '@stdlib/assert/is-empty-string' );

var bool = isEmptyString( '' );
// returns true

bool = isEmptyString( new String( '' ) );
// returns true

bool = isEmptyString( 'beep' );
// returns false

bool = isEmptyString( 0 );
// returns false

bool = isEmptyString( null );
// returns false

bool = isEmptyString( void 0 );
// returns false

bool = isEmptyString( {} );
// returns false

bool = isEmptyString( [] );
// returns false

bool = isEmptyString( function empty() {} );
// returns false
```

</section>

<!-- /.examples -->

<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->

<section class="related">

* * *

## See Also

-   <span class="package-name">[`@stdlib/assert/is-string`][@stdlib/assert/is-string]</span><span class="delimiter">: </span><span class="description">test if a value is a string.</span>

</section>

<!-- /.related -->

<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->

<section class="links">

<!-- <related-links> -->

[@stdlib/assert/is-string]: https://github.com/stdlib-js/assert/tree/main/is-string

<!-- </related-links> -->

</section>

<!-- /.links -->