Compresses the css output from Less using csswring.
npm install -g less-plugin-csswring
and then on the command line,
lessc file.less --csswring="--sourcemap --preserve-hacks"
See csswring for the available command options.
var LessPluginCSSwring = require('less-plugin-csswring'),
csswringPlugin = new LessPluginCSSwring({sourcemap: true});
less.render(lessString, { plugins: [csswringPlugin] })
.then(
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