2019-07-01 09:09:59 +05:30
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/* eslint-env node */
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const path = require('path');
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const loaderUtils = require('loader-utils');
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const fileCache = {};
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const isProduction = process.argv.some((arg) => arg === '-p');
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const rootPath = path.resolve('./src');
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module.exports = ({ webpack: loader }) => ({
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syntax: 'postcss-scss',
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plugins: {
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'postcss-import': {
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addModulesDirectories: ['./src'],
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resolve: ((defaultResolve) => (url, basedir, importOptions) =>
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defaultResolve(
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// mainly to remove '~' from request
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loaderUtils.urlToRequest(url),
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basedir,
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importOptions
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))(require('postcss-import/lib/resolve-id')),
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load: ((defaultLoad) => (filename, importOptions) => {
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if (/\.font.(js|json)$/.test(filename)) {
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// separately process calls to font loader
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// e.g. `@import '~icons.font.json';`
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if (!fileCache[filename] || !isProduction) {
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// do not execute loader on the same file twice
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// this is an overcome for a bug with ExtractTextPlugin, for isProduction === true
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// when @imported files may be processed multiple times
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fileCache[filename] = new Promise((resolve, reject) =>
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loader.loadModule(filename, (err, source) => {
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if (err) {
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reject(err);
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return;
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}
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resolve(loader.exec(source, rootPath));
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})
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);
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}
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return fileCache[filename];
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}
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return defaultLoad(filename, importOptions);
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})(require('postcss-import/lib/load-content'))
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},
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// TODO: for some reason cssnano strips out @mixin declarations
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// cssnano: {
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// /**
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// * TODO: cssnano options
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// */
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// // autoprefixer: {
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// // add: true,
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// // remove: true,
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// // browsers: ['last 2 versions']
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// // },
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// // safe: true,
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// // // отключаем минификацию цветов, что бы она не ломала такие выражения:
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// // // composes: black from '~./buttons.scss';
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// // colormin: false,
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// // discardComments: {
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// // removeAll: true
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// // }
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// preset: 'default'
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// }
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}
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});
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