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89 lines
2.6 KiB
89 lines
2.6 KiB
12 months ago
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const chalk = require('chalk');
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const log = require('./log');
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const fs = require('fs');
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const postcss = require('postcss');
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const postcssCalc = require("postcss-calc");
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const postcssImport = require('postcss-import');
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const postcssHeader = require('postcss-header');
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const postcssUrl = require('postcss-url');
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const postcssPresetEnv = require('postcss-preset-env');
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// cspell:ignore pxtorem
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const postcssPixelsToRem = require('postcss-pxtorem');
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module.exports = (filePath, callback) => {
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// Transform the file.
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fs.readFile(filePath, (err, css) => {
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postcss([
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postcssImport({
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plugins: [
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// On import, remove the comments from variables.pcss.css so they don't
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// appear as useless comments at the top files that import these
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// variables.
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postcss.plugin('remove-unwanted-comments-from-variables', (options) => {
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return css => {
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if (css.source.input.file.indexOf('variables.pcss.css') !== -1) {
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css.walk(node => {
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if (node.type === 'comment') {
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node.remove();
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}
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});
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}
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};
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}),
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],
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}),
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postcssPresetEnv({
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stage: 1,
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preserve: false,
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autoprefixer: {
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cascade: false,
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grid: 'no-autoplace',
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},
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features: {
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'blank-pseudo-class': false,
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'focus-visible-pseudo-class': false,
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'focus-within-pseudo-class': false,
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'has-pseudo-class': false,
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'image-set-function': false,
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'prefers-color-scheme-query': false,
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}
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}),
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postcssCalc,
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postcssPixelsToRem({
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propList: [
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'*',
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'!background-position',
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'!border',
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'!border-width',
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'!box-shadow',
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'!border-top*',
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'!border-right*',
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'!border-bottom*',
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'!border-left*',
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'!border-start*',
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'!border-end*',
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'!outline*',
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],
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mediaQuery: true,
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minPixelValue: 3,
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}),
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postcssHeader({
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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`,
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}),
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postcssUrl({
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filter: '**/*.svg',
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url: 'inline',
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optimizeSvgEncode: true,
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})
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])
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.process(css, { from: filePath })
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.then(result => {
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callback(result.css);
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})
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.catch(error => {
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log(chalk.red(error));
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process.exitCode = 1;
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});
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});
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};
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