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47 lines
700 B
Markdown
47 lines
700 B
Markdown
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# [postcss][postcss]-unique-selectors
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> Ensure CSS selectors are unique.
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## Install
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With [npm](https://npmjs.org/package/postcss-unique-selectors) do:
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```
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npm install postcss-unique-selectors --save
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```
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## Example
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Selectors are sorted naturally, and deduplicated:
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### Input
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```css
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h1,h3,h2,h1 {
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color: red
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}
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```
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### Output
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```css
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h1,h2,h3 {
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color: red
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}
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```
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## Usage
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See the [PostCSS documentation](https://github.com/postcss/postcss#usage) for
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examples for your environment.
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## Contributors
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See [CONTRIBUTORS.md](https://github.com/cssnano/cssnano/blob/master/CONTRIBUTORS.md).
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## License
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MIT © [Ben Briggs](http://beneb.info)
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[postcss]: https://github.com/postcss/postcss
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