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# postcss-selector-parser [](https://travis-ci.org/postcss/postcss-selector-parser)
> Selector parser with built in methods for working with selector strings.
## Install
With [npm](https://npmjs.com/package/postcss-selector-parser) do:
```
npm install postcss-selector-parser
```
## Quick Start
```js
const parser = require('postcss-selector-parser');
const transform = selectors => {
selectors.walk(selector => {
// do something with the selector
console.log(String(selector))
});
};
const transformed = parser(transform).processSync('h1, h2, h3');
```
To normalize selector whitespace:
```js
const parser = require('postcss-selector-parser');
const normalized = parser().processSync('h1, h2, h3', {lossless: false});
// -> h1,h2,h3
```
Async support is provided through `parser.process` and will resolve a Promise
with the resulting selector string.
## API
Please see [API.md](API.md).
## Credits
* Huge thanks to Andrey Sitnik (@ai) for work on PostCSS which helped
accelerate this module's development.
## License
MIT
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