npm package: @stdlib/assert-is-absolute-path
Description: Test if a value is an absolute path.
Author: The Stdlib Authors
Latest version: 0.2.3

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<details>
  <summary>
    About stdlib...
  </summary>
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</details>

# isAbsolutePath

[![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url] <!-- [![dependencies][dependencies-image]][dependencies-url] -->

> Test if a value is an absolute path.

<section class="intro">

</section>

<!-- /.intro -->

<section class="installation">

## Installation

```bash
npm install @stdlib/assert-is-absolute-path
```

</section>

<section class="usage">

## Usage

```javascript
var isAbsolutePath = require( '@stdlib/assert-is-absolute-path' );
```

#### isAbsolutePath( value )

Tests if a `value` is an absolute path.

```javascript
var IS_WINDOWS = require( '@stdlib/assert-is-windows' );

var bool;
if ( IS_WINDOWS ) {
    bool = isAbsolutePath( 'C:\\foo\\bar\\baz' );
    // returns true
} else {
    bool = isAbsolutePath( '/foo/bar/baz' );
    // returns true
}
```

#### isAbsolutePath.posix( value )

Tests if a `value` is a POSIX absolute path.

```javascript
var bool = isAbsolutePath.posix( '/foo/bar/baz' );
// returns true

bool = isAbsolutePath.posix( 'foo/bar/baz' );
// returns false
```

#### isAbsolutePath.win32( value )

Tests if a `value` is a Windows absolute path.

```javascript
var bool = isAbsolutePath.win32( 'C:\\foo\\bar\\baz' );
// returns true

bool = isAbsolutePath.win32( 'foo\\bar\\baz' );
// returns false
```

</section>

<!-- /.usage -->

<section class="notes">

## Notes

-   `isAbsolutePath()` is platform-specific. On Windows platforms, the function is equal to `isAbsolutePath.win32()`. On POSIX platforms, the function is equal to `isAbsolutePath.posix()`.

</section>

<!-- /.notes -->

<section class="examples">

## Examples

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

```javascript
var isAbsolutePath = require( '@stdlib/assert-is-absolute-path' );

var bool = isAbsolutePath.posix( '/foo/bar/baz' );
// returns true

bool = isAbsolutePath.posix( '/foo/..' );
// returns true

bool = isAbsolutePath.posix( 'foo/' );
// returns false

bool = isAbsolutePath.posix( 'foo' );
// returns false

bool = isAbsolutePath.posix( '.' );
// returns false

bool = isAbsolutePath.posix( '' );
// returns false

bool = isAbsolutePath.win32( 'C:\\foo\\bar\\baz' );
// returns true

bool = isAbsolutePath.win32( '//server' );
// returns true

bool = isAbsolutePath.win32( '\\\\server' );
// returns true

bool = isAbsolutePath.win32( 'C:/foo/bar/baz' );
// returns true

bool = isAbsolutePath.win32( '/foo/..' );
// returns true

bool = isAbsolutePath.win32( 'foo\\bar\\baz' );
// returns false

bool = isAbsolutePath.win32( 'foo/bar/baz' );
// returns false

bool = isAbsolutePath.win32( 'foo/..' );
// returns false

bool = isAbsolutePath.win32( '.' );
// returns false

bool = isAbsolutePath.win32( '' );
// 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-absolute-path-cli`][@stdlib/assert-is-absolute-path-cli]</span><span class="delimiter">: </span><span class="description">CLI package for use as a command-line utility.</span>
-   <span class="package-name">[`@stdlib/assert-is-relative-path`][@stdlib/assert/is-relative-path]</span><span class="delimiter">: </span><span class="description">test if a value is a relative path.</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="main-repo" >

* * *

## Notice

This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib].

#### Community

[![Chat][chat-image]][chat-url]

---

## License

See [LICENSE][stdlib-license].


## Copyright

Copyright &copy; 2016-2026. The Stdlib [Authors][stdlib-authors].

</section>

<!-- /.stdlib -->

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<section class="links">

[@stdlib/assert-is-absolute-path-cli]: https://www.npmjs.com/package/@stdlib/assert-is-absolute-path-cli

[npm-image]: http://img.shields.io/npm/v/@stdlib/assert-is-absolute-path.svg
[npm-url]: https://npmjs.org/package/@stdlib/assert-is-absolute-path

[test-image]: https://github.com/stdlib-js/assert-is-absolute-path/actions/workflows/test.yml/badge.svg?branch=v0.2.3
[test-url]: https://github.com/stdlib-js/assert-is-absolute-path/actions/workflows/test.yml?query=branch:v0.2.3

[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/assert-is-absolute-path/main.svg
[coverage-url]: https://codecov.io/github/stdlib-js/assert-is-absolute-path?branch=main

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[stdlib]: https://github.com/stdlib-js/stdlib

[stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors

[cli-section]: https://github.com/stdlib-js/assert-is-absolute-path#cli
[cli-url]: https://github.com/stdlib-js/assert-is-absolute-path/tree/cli
[@stdlib/assert-is-absolute-path]: https://github.com/stdlib-js/assert-is-absolute-path/tree/main

[umd]: https://github.com/umdjs/umd
[es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules

[deno-url]: https://github.com/stdlib-js/assert-is-absolute-path/tree/deno
[deno-readme]: https://github.com/stdlib-js/assert-is-absolute-path/blob/deno/README.md
[umd-url]: https://github.com/stdlib-js/assert-is-absolute-path/tree/umd
[umd-readme]: https://github.com/stdlib-js/assert-is-absolute-path/blob/umd/README.md
[esm-url]: https://github.com/stdlib-js/assert-is-absolute-path/tree/esm
[esm-readme]: https://github.com/stdlib-js/assert-is-absolute-path/blob/esm/README.md
[branches-url]: https://github.com/stdlib-js/assert-is-absolute-path/blob/main/branches.md

[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/assert-is-absolute-path/main/LICENSE

[standard-streams]: https://en.wikipedia.org/wiki/Standard_streams

[mdn-regexp]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions

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

[@stdlib/assert/is-relative-path]: https://www.npmjs.com/package/@stdlib/assert-is-relative-path

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

</section>

<!-- /.links -->