114 lines
4.3 KiB
JavaScript
114 lines
4.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _path = _interopRequireDefault(require("path"));
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var _schemaUtils = _interopRequireDefault(require("schema-utils"));
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var _loaderUtils = require("loader-utils");
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var _options = _interopRequireDefault(require("./options.json"));
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var _getSassImplementation = _interopRequireDefault(require("./getSassImplementation"));
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var _getSassOptions = _interopRequireDefault(require("./getSassOptions"));
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var _webpackImporter = _interopRequireDefault(require("./webpackImporter"));
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var _getRenderFunctionFromSassImplementation = _interopRequireDefault(require("./getRenderFunctionFromSassImplementation"));
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var _SassError = _interopRequireDefault(require("./SassError"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* The sass-loader makes node-sass and dart-sass available to webpack modules.
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*
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* @this {object}
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* @param {string} content
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*/
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function loader(content) {
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const options = (0, _loaderUtils.getOptions)(this) || {};
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(0, _schemaUtils.default)(_options.default, options, {
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name: 'Sass Loader',
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baseDataPath: 'options'
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});
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const implementation = (0, _getSassImplementation.default)(options.implementation);
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const callback = this.async();
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const addNormalizedDependency = file => {
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// node-sass returns POSIX paths
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this.addDependency(_path.default.normalize(file));
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};
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const sassOptions = (0, _getSassOptions.default)(this, options, content, implementation);
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const shouldUseWebpackImporter = typeof options.webpackImporter === 'boolean' ? options.webpackImporter : true;
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if (shouldUseWebpackImporter) {
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const resolve = this.getResolve({
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mainFields: ['sass', 'style', 'main', '...'],
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mainFiles: ['_index', 'index', '...'],
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extensions: ['.scss', '.sass', '.css', '...']
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});
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sassOptions.importer.push((0, _webpackImporter.default)(this.resourcePath, resolve, addNormalizedDependency));
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} // Skip empty files, otherwise it will stop webpack, see issue #21
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if (sassOptions.data.trim() === '') {
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callback(null, '');
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return;
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}
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const render = (0, _getRenderFunctionFromSassImplementation.default)(implementation);
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render(sassOptions, (error, result) => {
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if (error) {
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if (error.file) {
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addNormalizedDependency(error.file);
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}
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callback(new _SassError.default(error, this.resourcePath));
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return;
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}
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if (result.map && result.map !== '{}') {
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// eslint-disable-next-line no-param-reassign
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result.map = JSON.parse(result.map); // result.map.file is an optional property that provides the output filename.
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// Since we don't know the final filename in the webpack build chain yet, it makes no sense to have it.
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// eslint-disable-next-line no-param-reassign
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delete result.map.file; // One of the sources is 'stdin' according to dart-sass/node-sass because we've used the data input.
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// Now let's override that value with the correct relative path.
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// Since we specified options.sourceMap = path.join(process.cwd(), "/sass.map"); in getSassOptions,
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// we know that this path is relative to process.cwd(). This is how node-sass works.
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// eslint-disable-next-line no-param-reassign
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const stdinIndex = result.map.sources.findIndex(source => source.includes('stdin'));
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if (stdinIndex !== -1) {
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// eslint-disable-next-line no-param-reassign
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result.map.sources[stdinIndex] = _path.default.relative(process.cwd(), this.resourcePath);
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} // node-sass returns POSIX paths, that's why we need to transform them back to native paths.
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// This fixes an error on windows where the source-map module cannot resolve the source maps.
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// @see https://github.com/webpack-contrib/sass-loader/issues/366#issuecomment-279460722
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// eslint-disable-next-line no-param-reassign
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result.map.sourceRoot = _path.default.normalize(result.map.sourceRoot); // eslint-disable-next-line no-param-reassign
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result.map.sources = result.map.sources.map(_path.default.normalize);
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} else {
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// eslint-disable-next-line no-param-reassign
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result.map = null;
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}
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result.stats.includedFiles.forEach(addNormalizedDependency);
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callback(null, result.css.toString(), result.map);
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});
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}
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var _default = loader;
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exports.default = _default; |