Function selectAll

selectAll(selectors, styleSheet): Iterable<CSSRule>
Selects all the style rules in the stylesheet whose cssText begin with any of the specified selectors.
Parameters
- selectors: string
  The starting text of the style rules to return
- styleSheet: CSSStyleSheet
  The CSSStyleSheet containing the rules to select
Returns Iterable<CSSRule>
The selected style rules
Example
```
import { selectAll } from 'deleight/css';
const cssStyleSheet = await loadStyle('component1.css');
const spanRules = [...selectAll('span', cssStyleSheet)];
// `selectAll` returns a generator!
```
- Defined in css/css.ts:128