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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
-
- var _path = _interopRequireDefault(require("path"));
-
- var _neoAsync = _interopRequireDefault(require("neo-async"));
-
- var _pify = _interopRequireDefault(require("pify"));
-
- var _semver = _interopRequireDefault(require("semver"));
-
- var _loaderUtils = require("loader-utils");
-
- var _formatSassError = _interopRequireDefault(require("./formatSassError"));
-
- var _webpackImporter = _interopRequireDefault(require("./webpackImporter"));
-
- var _getSassOptions = _interopRequireDefault(require("./getSassOptions"));
-
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
- let nodeSassJobQueue = null; // Very hacky check
-
- function hasGetResolve(loaderContext) {
- return loaderContext.getResolve && // eslint-disable-next-line no-underscore-dangle
- loaderContext._compiler && // eslint-disable-next-line no-underscore-dangle
- loaderContext._compiler.resolverFactory && // eslint-disable-next-line no-underscore-dangle
- loaderContext._compiler.resolverFactory._create && /cachedCleverMerge/.test( // eslint-disable-next-line no-underscore-dangle
- loaderContext._compiler.resolverFactory._create.toString());
- }
- /**
- * The sass-loader makes node-sass and dart-sass available to webpack modules.
- *
- * @this {LoaderContext}
- * @param {string} content
- */
-
-
- function loader(content) {
- const options = (0, _loaderUtils.getOptions)(this) || {};
- const callback = this.async();
-
- const addNormalizedDependency = file => {
- // node-sass returns POSIX paths
- this.dependency(_path.default.normalize(file));
- };
-
- if (typeof callback !== 'function') {
- throw new Error('Synchronous compilation is not supported anymore. See https://github.com/webpack-contrib/sass-loader/issues/333');
- }
-
- let resolve = (0, _pify.default)(this.resolve); // Supported since v4.36.0
-
- if (hasGetResolve(this)) {
- resolve = this.getResolve({
- mainFields: ['sass', 'style', 'main', '...'],
- mainFiles: ['_index', 'index', '...'],
- extensions: ['.scss', '.sass', '.css', '...']
- });
- }
-
- const sassOptions = (0, _getSassOptions.default)(this, options, content);
- const shouldUseWebpackImporter = typeof options.webpackImporter === 'boolean' ? options.webpackImporter : true;
-
- if (shouldUseWebpackImporter) {
- sassOptions.importer.push((0, _webpackImporter.default)(this.resourcePath, resolve, addNormalizedDependency));
- } // Skip empty files, otherwise it will stop webpack, see issue #21
-
-
- if (sassOptions.data.trim() === '') {
- callback(null, '');
- return;
- }
-
- const render = getRenderFuncFromSassImpl( // eslint-disable-next-line import/no-extraneous-dependencies, global-require
- options.implementation || getDefaultSassImpl());
- render(sassOptions, (error, result) => {
- if (error) {
- (0, _formatSassError.default)(error, this.resourcePath);
-
- if (error.file) {
- this.dependency(error.file);
- }
-
- callback(error);
- return;
- }
-
- if (result.map && result.map !== '{}') {
- // eslint-disable-next-line no-param-reassign
- result.map = JSON.parse(result.map); // result.map.file is an optional property that provides the output filename.
- // Since we don't know the final filename in the webpack build chain yet, it makes no sense to have it.
- // eslint-disable-next-line no-param-reassign
-
- delete result.map.file; // One of the sources is 'stdin' according to dart-sass/node-sass because we've used the data input.
- // Now let's override that value with the correct relative path.
- // Since we specified options.sourceMap = path.join(process.cwd(), "/sass.map"); in getSassOptions,
- // we know that this path is relative to process.cwd(). This is how node-sass works.
- // eslint-disable-next-line no-param-reassign
-
- const stdinIndex = result.map.sources.findIndex(source => source.indexOf('stdin') !== -1);
-
- if (stdinIndex !== -1) {
- // eslint-disable-next-line no-param-reassign
- result.map.sources[stdinIndex] = _path.default.relative(process.cwd(), this.resourcePath);
- } // node-sass returns POSIX paths, that's why we need to transform them back to native paths.
- // This fixes an error on windows where the source-map module cannot resolve the source maps.
- // @see https://github.com/webpack-contrib/sass-loader/issues/366#issuecomment-279460722
- // eslint-disable-next-line no-param-reassign
-
-
- result.map.sourceRoot = _path.default.normalize(result.map.sourceRoot); // eslint-disable-next-line no-param-reassign
-
- result.map.sources = result.map.sources.map(_path.default.normalize);
- } else {
- // eslint-disable-next-line no-param-reassign
- result.map = null;
- }
-
- result.stats.includedFiles.forEach(addNormalizedDependency);
- callback(null, result.css.toString(), result.map);
- });
- }
- /**
- * Verifies that the implementation and version of Sass is supported by this loader.
- *
- * @param {Object} module
- * @returns {Function}
- */
-
-
- function getRenderFuncFromSassImpl(module) {
- const {
- info
- } = module;
-
- if (!info) {
- throw new Error('Unknown Sass implementation.');
- }
-
- const components = info.split('\t');
-
- if (components.length < 2) {
- throw new Error(`Unknown Sass implementation "${info}".`);
- }
-
- const [implementation, version] = components;
-
- if (!_semver.default.valid(version)) {
- throw new Error(`Invalid Sass version "${version}".`);
- }
-
- if (implementation === 'dart-sass') {
- if (!_semver.default.satisfies(version, '^1.3.0')) {
- throw new Error(`Dart Sass version ${version} is incompatible with ^1.3.0.`);
- }
-
- return module.render.bind(module);
- } else if (implementation === 'node-sass') {
- if (!_semver.default.satisfies(version, '^4.0.0')) {
- throw new Error(`Node Sass version ${version} is incompatible with ^4.0.0.`);
- } // There is an issue with node-sass when async custom importers are used
- // See https://github.com/sass/node-sass/issues/857#issuecomment-93594360
- // We need to use a job queue to make sure that one thread is always available to the UV lib
-
-
- if (nodeSassJobQueue === null) {
- const threadPoolSize = Number(process.env.UV_THREADPOOL_SIZE || 4);
- nodeSassJobQueue = _neoAsync.default.queue(module.render.bind(module), threadPoolSize - 1);
- }
-
- return nodeSassJobQueue.push.bind(nodeSassJobQueue);
- }
-
- throw new Error(`Unknown Sass implementation "${implementation}".`);
- }
-
- function getDefaultSassImpl() {
- let sassImplPkg = 'node-sass';
-
- try {
- require.resolve('node-sass');
- } catch (error) {
- try {
- require.resolve('sass');
-
- sassImplPkg = 'sass';
- } catch (ignoreError) {
- sassImplPkg = 'node-sass';
- }
- } // eslint-disable-next-line import/no-dynamic-require, global-require
-
-
- return require(sassImplPkg);
- }
-
- var _default = loader;
- exports.default = _default;
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