What is @stdlib/assert-has-tostringtag-support?
@stdlib/assert-has-tostringtag-support is a package that allows you to check if the environment supports the `Symbol.toStringTag` property. This property is used to customize the default string description of objects.
What are @stdlib/assert-has-tostringtag-support's main functionalities?
Check for Symbol.toStringTag support
This feature allows you to check if the current JavaScript environment supports the `Symbol.toStringTag` property. The code sample demonstrates how to use the package to perform this check and log the result.
const hasToStringTagSupport = require('@stdlib/assert-has-tostringtag-support');
if (hasToStringTagSupport()) {
console.log('Environment supports Symbol.toStringTag');
} else {
console.log('Environment does not support Symbol.toStringTag');
}
Other packages similar to @stdlib/assert-has-tostringtag-support
has-symbols
The `has-symbols` package checks if the environment supports ES6 symbols, including `Symbol.toStringTag`. It provides a broader check for symbol support compared to `@stdlib/assert-has-tostringtag-support`, which is specifically focused on `Symbol.toStringTag`.
is-symbol
The `is-symbol` package checks if a given value is a symbol. While it does not directly check for `Symbol.toStringTag` support, it can be used in conjunction with other checks to determine symbol-related capabilities in the environment.
has-tostringtag
The `has-tostringtag` package specifically checks for the presence of the `Symbol.toStringTag` property in the environment. It is very similar to `@stdlib/assert-has-tostringtag-support` in terms of functionality.
Symbol.toStringTag Support
Detect native Symbol.toStringTag
support.
Installation
npm install @stdlib/assert-has-tostringtag-support
Usage
var hasToStringTagSupport = require( '@stdlib/assert-has-tostringtag-support' );
hasToStringTagSupport()
Detects if a runtime environment supports ES2015 Symbol.toStringTag
.
var bool = hasToStringTagSupport();
Examples
var hasToStringTagSupport = require( '@stdlib/assert-has-tostringtag-support' );
var bool = hasToStringTagSupport();
if ( bool ) {
console.log( 'Environment has `toStringTag` support.' );
} else {
console.log( 'Environment lacks `toStringTag` support.' );
}
CLI
Installation
To use the module as a general utility, install the module globally
npm install -g @stdlib/assert-has-tostringtag-support
Usage
Usage: has-tostringtag-support [options]
Options:
-h, --help Print this message.
-V, --version Print the package version.
Examples
$ has-tostringtag-support
<boolean>
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.
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License
See LICENSE.
Copyright
Copyright © 2016-2022. The Stdlib Authors.