Function getCharset

getCharset(type): string | undefined
Given a media type or header value, identify the encoding charset. If the charset cannot be determined, the function returns undefined.
Parameters
- type: string
  The media type or header value to get the charset for.
Returns string | undefined
The charset for the given media type or header value, or undefined if the charset cannot be determined.
Example: Usage
```
import { getCharset } from "@std/media-types/get-charset";
import { assertEquals } from "@std/assert";

assertEquals(getCharset("text/plain"), "UTF-8");
assertEquals(getCharset("application/foo"), undefined);
assertEquals(getCharset("application/news-checkgroups"), "US-ASCII");
assertEquals(getCharset("application/news-checkgroups; charset=UTF-8"), "UTF-8");
```
- Defined in media_types/get_charset.ts:28