npm package: @stdlib/assert-napi-status-ok
Description: C utilities for asserting that a Node-API call returns an "ok" status.
Author: The Stdlib Authors
Latest version: 0.2.3

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<details>
  <summary>
    About stdlib...
  </summary>
  <p>We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.</p>
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# ok status

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

> C utilities for asserting that a Node-API call returns an "ok" status.

<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->

<section class="intro">

</section>

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<!-- Package usage documentation. -->

<section class="installation">

## Installation

```bash
npm install @stdlib/assert-napi-status-ok
```

</section>

<section class="usage">

## Usage

```javascript
var headerDir = require( '@stdlib/assert-napi-status-ok' );
```

#### headerDir

Absolute file path for the directory containing header files for C APIs.

```javascript
var dir = headerDir;
// returns <string>
```

</section>

<!-- /.usage -->

<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->

<section class="notes">

</section>

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<!-- Package usage examples. -->

<section class="examples">

## Examples

```javascript
var headerDir = require( '@stdlib/assert-napi-status-ok' );

console.log( headerDir );
// => <string>
```

</section>

<!-- /.examples -->

<!-- C interface documentation. -->

* * *

<section class="c">

## C APIs

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<section class="intro">

</section>

<!-- /.intro -->

<!-- C usage documentation. -->

<section class="usage">

### Usage

```c
#include "stdlib/assert/napi/status_ok.h"
```

#### STDLIB_ASSERT_NAPI_STATUS_OK_RET_VOID( env, call, message )

Macro for asserting that a Node-API API call returns an "ok" status.

```c
#include <node_api.h>

static void foo( const napi_env env, const napi_value value, double *out ) {
    // ...

    STDLIB_ASSERT_NAPI_STATUS_OK_RET_VOID( env, napi_get_value_double( env, value, out ), "" )

    // ...

    return;
}
```

The macro expects the following arguments:

-   **env**: environment under which the function is invoked.
-   **call**: expression which returns a Node-API status.
-   **message**: error message.

If a status is not "ok", an exception is raised and `void` returned.

#### STDLIB_ASSERT_NAPI_STATUS_OK_RET_NULL( env, call, message )

Macro for asserting that a Node-API API call returns an "ok" status.

```c
#include <node_api.h>

static napi_value foo( const napi_env env, const napi_value value, double *out ) {
    // ...

    STDLIB_ASSERT_NAPI_STATUS_OK_RET_NULL( env, napi_get_value_double( env, value, out ), "" )

    // ...

    return NULL;
}
```

The macro expects the following arguments:

-   **env**: environment under which the function is invoked.
-   **call**: expression which returns a Node-API status.
-   **message**: error message.

If a status is not "ok", an exception is raised and `NULL` returned.

#### STDLIB_ASSERT_NAPI_STATUS_OK_RET_VALUE( env, call, message, value )

Macro for asserting that a Node-API API call returns an "ok" status.

```c
#include <node_api.h>

static double foo( const napi_env env, const napi_value value ) {
    // ...

    double *out;
    STDLIB_ASSERT_NAPI_STATUS_OK_RET_VALUE( env, napi_get_value_double( env, value, out ), "", 0.0/0.0 )

    // ...

    return *out;
}
```

The macro expects the following arguments:

-   **env**: environment under which the function is invoked.
-   **call**: expression which returns a Node-API status.
-   **message**: error message.
-   **value**: return value.

If a status is not "ok", an exception is raised and the value specified by `value` returned.

</section>

<!-- /.usage -->

<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->

<section class="notes">

</section>

<!-- /.notes -->

<!-- C API usage examples. -->

<section class="examples">

</section>

<!-- /.examples -->

</section>

<!-- /.c -->

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<section class="references">

</section>

<!-- /.references -->

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<section class="related">

</section>

<!-- /.related -->

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<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].

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