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cssnano @3.10.0

A modular minifier, built on top of the PostCSS ecosystem.

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/* * This example targets Node 4 and up. */ const cssnano = require('cssnano'); /* * Add your CSS code here. */ const css = ` h1 { color: #ff0000; font-weight: bold; } `; /* * Add your configuration here; see http://cssnano.co/options/ and * http://cssnano.co/optimisations/ for more details. * * For example you can turn off z-index rebasing by setting `zindex: false` * in your config, or you can use `safe: true` which will turn off unsafe * optimisations. */ const opts = { }; /* * Compress the CSS asynchronously and log it to the console. */ cssnano.process(css, opts).then(result => { console.log(result.css); });

README





A modular minifier, built on top of the PostCSS ecosystem.

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cssnano is a modular minifier that aims to utilise small modules from the PostCSS ecosystem, rather than being an all-encompassing module that may be difficult to contribute to. Because it is written on top of PostCSS, it is able to do more than simple whitespace transforms - including advanced optimisations such as custom identifier reduction, z-index rebasing, and adjacent selector merging.

Note that cssnano enables aggressive optimisations by default, which might not always be what you want. Set options.safe to true if you want to disable this. In future versions, only safe options will be enabled by default, starting from version 4.

For further details check out the website:

You can now try cssnano online via Runkit!

Contributing

See CONTRIBUTING.md.

Links

Please help to support this project by purchasing a cssnano sticker.

License

MIT © Ben Briggs

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