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'use strict'
module.exports = (ctx) => ({
plugins: {
autoprefixer: true,
cssnano: {
// refer to https://cssnano.co/docs/optimisations to understand this preset
preset: [
'default',
{
discardComments: { exclude: true }, // comments are currently aimed at the user, so keep them
minifySelectors: { exclude: true }, // replaced by ./lib/postcss-minify-selectors.js
minifyFontValues: { exclude: true }, // switches to numeric font weights, which make the stylesheet less extensible
mergeRules: { exclude: true }, // TODO reenable; currently causes non-functional differences in output
uniqueSelectors: { exclude: true }, // reorders selectors, which doesn't improve minification
cssDeclarationSorter: { exclude: true }, // reorders properties, which doesn't improve minification
},
]
},
[require.resolve('./lib/postcss-minify-selectors.js')]: true,
[require.resolve('./lib/postcss-rule-per-line.js')]: true,
}
})
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