time-to-botec/squiggle/node_modules/@stdlib/assert/has-map-support/README.md

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@license Apache-2.0
Copyright (c) 2018 The Stdlib Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# Map Support
> Detect native [`Map`][mdn-map] support.
<section class="usage">
## Usage
```javascript
var hasMapSupport = require( '@stdlib/assert/has-map-support' );
```
#### hasMapSupport()
Detects if a runtime environment supports ES2015 [`Map`][mdn-map].
```javascript
var bool = hasMapSupport();
// returns <boolean>
```
</section>
<!-- /.usage -->
<section class="examples">
## Examples
<!-- eslint no-undef: "error" -->
```javascript
var hasMapSupport = require( '@stdlib/assert/has-map-support' );
var bool = hasMapSupport();
if ( bool ) {
console.log( 'Environment has Map support.' );
} else {
console.log( 'Environment lacks Map support.' );
}
```
</section>
<!-- /.examples -->
* * *
<section class="cli">
## CLI
<section class="usage">
### Usage
```text
Usage: has-map-support [options]
Options:
-h, --help Print this message.
-V, --version Print the package version.
```
</section>
<!-- /.usage -->
<section class="examples">
### Examples
```bash
$ has-map-support
<boolean>
```
</section>
<!-- /.examples -->
</section>
<!-- /.cli -->
<section class="links">
[mdn-map]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
</section>
<!-- /.links -->