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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _path = _interopRequireDefault(require("path"));
var _schemaUtils = _interopRequireDefault(require("schema-utils"));
var _loaderUtils = require("loader-utils");
var _options = _interopRequireDefault(require("./options.json"));
var _getSassImplementation = _interopRequireDefault(require("./getSassImplementation"));
var _getSassOptions = _interopRequireDefault(require("./getSassOptions"));
var _webpackImporter = _interopRequireDefault(require("./webpackImporter"));
var _getRenderFunctionFromSassImplementation = _interopRequireDefault(require("./getRenderFunctionFromSassImplementation"));
var _SassError = _interopRequireDefault(require("./SassError"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The sass-loader makes node-sass and dart-sass available to webpack modules.
*
* @this {object}
* @param {string} content
*/
function loader(content) {
const options = (0, _loaderUtils.getOptions)(this) || {};
(0, _schemaUtils.default)(_options.default, options, {
name: 'Sass Loader',
baseDataPath: 'options'
});
const implementation = (0, _getSassImplementation.default)(options.implementation);
const callback = this.async();
const addNormalizedDependency = file => {
// node-sass returns POSIX paths
this.addDependency(_path.default.normalize(file));
};
const sassOptions = (0, _getSassOptions.default)(this, options, content, implementation);
const shouldUseWebpackImporter = typeof options.webpackImporter === 'boolean' ? options.webpackImporter : true;
if (shouldUseWebpackImporter) {
const resolve = this.getResolve({
mainFields: ['sass', 'style', 'main', '...'],
mainFiles: ['_index', 'index', '...'],
extensions: ['.scss', '.sass', '.css', '...']
});
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 = (0, _getRenderFunctionFromSassImplementation.default)(implementation);
render(sassOptions, (error, result) => {
if (error) {
if (error.file) {
addNormalizedDependency(error.file);
}
callback(new _SassError.default(error, this.resourcePath));
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.includes('stdin'));
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);
});
}
var _default = loader;
exports.default = _default;