Function fetchStyle

fetchStyle(url: string | URL): Promise<CSSStyleSheet>
Fetches a CSS file and constructs a CSSStyleSheet.
Parameters
- url: string | URL
  The CSS file location.
Returns Promise<CSSStyleSheet>
The CSSStyleSheet object constructed from the CSS contents.
Remarks
This is particularly useful for Constructable Stylesheets, which can be shared across Shadow DOM boundaries.
Example
```
const sheet = await fetchStyle('./component.css')
shadowRoot.adoptedStyleSheets = [sheet]
```
Throws
If the fetch fails.
See
- CSSStyleSheet
- adoptedStyleSheets
- Defined in helpers.ts:246