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const log = require('./log');
const fs = require('node:fs');
const postcss = require('postcss');
const postcssImport = require('postcss-import');
const postcssHeader = require('postcss-header');
const postcssUrl = require('postcss-url');
const postcssPresetEnv = require('postcss-preset-env');
// cspell:ignore pxtorem
const postcssPixelsToRem = require('postcss-pxtorem');
const prettier = require('prettier');
const removeUnwantedComments = require('./remove-unwanted-comments');
module.exports = (filePath, callback) => {
// Transform the file.
fs.readFile(filePath, (err, css) => {
postcss([
postcssImport({
plugins: [
removeUnwantedComments,
],
}),
postcssPresetEnv({
stage: 1,
preserve: false,
autoprefixer: {
cascade: false,
grid: 'no-autoplace',
},
features: {
'blank-pseudo-class': false,
'focus-visible-pseudo-class': false,
'focus-within-pseudo-class': false,
'has-pseudo-class': false,
'image-set-function': false,
'prefers-color-scheme-query': false,
'content-alt-text': false,
'nesting-rules': { edition: '2021' },
}
}),
postcssPixelsToRem({
propList: [
'*',
'!background-position',
'!border',
'!border-width',
'!box-shadow',
'!border-top*',
'!border-right*',
'!border-bottom*',
'!border-left*',
'!border-start*',
'!border-end*',
'!outline*',
],
mediaQuery: true,
minPixelValue: 3,
// Prevent converting PX to REM for icon styles. These files have been
// added to use the `postcssUrl` plugin, but aren't compatible with
// `postcssPixelsToRem`.
exclude: (filePath) => filePath.match(/core\/modules.*\.icons\..*\.pcss\.css$/)
}),
postcssHeader({
header: `/*\n * DO NOT EDIT THIS FILE.\n * See the following change record for more information,\n * https://www.drupal.org/node/3084859\n * @preserve\n */\n`,
}),
postcssUrl({
filter: '**/*.svg',
url: 'inline',
optimizeSvgEncode: true,
})
])
.process(css, { from: filePath })
.then(async result => {
const config = await prettier.resolveConfig(filePath);
return await prettier.format(result.css, config);
})
.then(callback)
.catch(error => {
log(error);
process.exitCode = 1;
});
});
};
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