Function parseFile

parseFile(
    file: string,
    options?: ParserOptions,
    asStream?: boolean,
): Promise<ParseResult>
parse css file
Parameters
- file: string
  url or path
- options: ParserOptions = {}
- asStream: boolean = false
  load file as stream
Returns Promise<ParseResult>
Throws
Error file not found

Example:
```
 import {parseFile} from '@tbela99/css-parser/web';

 // remote file
let result = await parseFile('https://docs.deno.com/styles.css');
console.log(result.ast);

// local file
result = await parseFile('./css/styles.css');
console.log(result.ast);
```
- Defined in web.ts:150