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@stdlib/napi-argv
Advanced tools
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.
The library is fully decomposable, being architected in such a way that you can swap out and mix and match APIs and functionality to cater to your exact preferences and use cases.
When you use stdlib, you can be absolutely certain that you are using the most thorough, rigorous, well-written, studied, documented, tested, measured, and high-quality code out there.
To join us in bringing numerical computing to the web, get started by checking us out on GitHub, and please consider financially supporting stdlib. We greatly appreciate your continued support!
C utilities for retrieving Node-API add-on callback arguments.
npm install @stdlib/napi-argv
var headerDir = require( '@stdlib/napi-argv' );
Absolute file path for the directory containing header files for C APIs.
var dir = headerDir;
// returns <string>
var headerDir = require( '@stdlib/napi-argv' );
console.log( headerDir );
// => <string>
#include "stdlib/napi/argv.h"
Macro for retrieving add-on callback arguments.
#include <node_api.h>
// ...
static napi_value addon( napi_env env, napi_callback_info info ) {
// Retrieve callback arguments:
STDLIB_NAPI_ARGV( env, info, argv, argc, 6 );
// ...
}
The macro expects the following arguments:
If the number of provided arguments does not equal the expected number of arguments, the macro's generated code raises an exception.
Macro for converting an index to an ordinal numeral.
STDLIB_NAPI_ARGV_INDEX2ORDINAL( 2 )
The macro expects the following arguments:
The first few ordinal numerals are as follows:
STDLIB_NAPI_ARGV_INDEX2ORDINAL( 0 )
: "First".STDLIB_NAPI_ARGV_INDEX2ORDINAL( 1 )
: "Second".STDLIB_NAPI_ARGV_INDEX2ORDINAL( 2 )
: "Third".STDLIB_NAPI_ARGV_INDEX2ORDINAL( 3 )
: "Fourth".STDLIB_NAPI_ARGV_INDEX2ORDINAL( 4 )
: "Fifth".STDLIB_NAPI_ARGV_INDEX2ORDINAL( 29 )
: "Thirtieth".This macro can be useful when generating error messages which state which argument is invalid (e.g., "invalid argument. First argument must be a number." ).
This package is part of 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, see the main project repository.
See LICENSE.
Copyright © 2016-2024. The Stdlib Authors.
0.2.2 (2024-07-27)
No changes reported for this release.
</section> <!-- /.release --> <section class="release" id="v0.2.1">FAQs
C utilities for retrieving Node-API add-on callback arguments.
The npm package @stdlib/napi-argv receives a total of 1,707 weekly downloads. As such, @stdlib/napi-argv popularity was classified as popular.
We found that @stdlib/napi-argv demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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