WeakMap Support

Detect native WeakMap support.

Installation

npm install @stdlib/assert-has-weakmap-support

Usage

var hasWeakMapSupport = require( '@stdlib/assert-has-weakmap-support' );

hasWeakMapSupport()

Detects if a runtime environment supports ES2015 WeakMap.

var bool = hasWeakMapSupport();
// returns <boolean>

Examples

var hasWeakMapSupport = require( '@stdlib/assert-has-weakmap-support' );

var bool = hasWeakMapSupport();
if ( bool ) {
    console.log( 'Environment has WeakMap support.' );
} else {
    console.log( 'Environment lacks WeakMap support.' );
}

See Also

• @stdlib/assert-has-weakmap-support-cli: CLI package for use as a command-line utility.

Notice

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.

Community

License

See LICENSE.

Copyright

Copyright © 2016-2024. The Stdlib Authors.