index.js 2.3 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = void 0;
  6. var _path = _interopRequireDefault(require("path"));
  7. var _schemaUtils = _interopRequireDefault(require("schema-utils"));
  8. var _loaderUtils = require("loader-utils");
  9. var _options = _interopRequireDefault(require("./options.json"));
  10. var _utils = require("./utils");
  11. var _SassError = _interopRequireDefault(require("./SassError"));
  12. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  13. /**
  14. * The sass-loader makes node-sass and dart-sass available to webpack modules.
  15. *
  16. * @this {object}
  17. * @param {string} content
  18. */
  19. function loader(content) {
  20. const options = (0, _loaderUtils.getOptions)(this);
  21. (0, _schemaUtils.default)(_options.default, options, {
  22. name: 'Sass Loader',
  23. baseDataPath: 'options'
  24. });
  25. const implementation = (0, _utils.getSassImplementation)(options.implementation);
  26. const useSourceMap = typeof options.sourceMap === 'boolean' ? options.sourceMap : this.sourceMap;
  27. const sassOptions = (0, _utils.getSassOptions)(this, options, content, implementation, useSourceMap);
  28. const shouldUseWebpackImporter = typeof options.webpackImporter === 'boolean' ? options.webpackImporter : true;
  29. if (shouldUseWebpackImporter) {
  30. const {
  31. includePaths
  32. } = sassOptions;
  33. sassOptions.importer.push((0, _utils.getWebpackImporter)(this, implementation, includePaths));
  34. }
  35. const callback = this.async();
  36. const render = (0, _utils.getRenderFunctionFromSassImplementation)(implementation);
  37. render(sassOptions, (error, result) => {
  38. if (error) {
  39. // There are situations when the `file` property do not exist
  40. if (error.file) {
  41. // `node-sass` returns POSIX paths
  42. this.addDependency(_path.default.normalize(error.file));
  43. }
  44. callback(new _SassError.default(error));
  45. return;
  46. }
  47. let map = result.map ? JSON.parse(result.map) : null; // Modify source paths only for webpack, otherwise we do nothing
  48. if (map && useSourceMap) {
  49. map = (0, _utils.normalizeSourceMap)(map, this.rootContext);
  50. }
  51. result.stats.includedFiles.forEach(includedFile => {
  52. this.addDependency(_path.default.normalize(includedFile));
  53. });
  54. callback(null, result.css.toString(), map);
  55. });
  56. }
  57. var _default = loader;
  58. exports.default = _default;