index.js 3.4 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = void 0;
  6. var _url = _interopRequireDefault(require("url"));
  7. var _path = _interopRequireDefault(require("path"));
  8. var _options = _interopRequireDefault(require("./options.json"));
  9. var _utils = require("./utils");
  10. var _SassError = _interopRequireDefault(require("./SassError"));
  11. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  12. /**
  13. * The sass-loader makes node-sass and dart-sass available to webpack modules.
  14. *
  15. * @this {object}
  16. * @param {string} content
  17. */
  18. async function loader(content) {
  19. const options = this.getOptions(_options.default);
  20. const callback = this.async();
  21. const implementation = (0, _utils.getSassImplementation)(this, options.implementation);
  22. if (!implementation) {
  23. callback();
  24. return;
  25. }
  26. const useSourceMap = typeof options.sourceMap === "boolean" ? options.sourceMap : this.sourceMap;
  27. const sassOptions = await (0, _utils.getSassOptions)(this, options, content, implementation, useSourceMap);
  28. const shouldUseWebpackImporter = typeof options.webpackImporter === "boolean" ? options.webpackImporter : true;
  29. if (shouldUseWebpackImporter) {
  30. const isModernAPI = options.api === "modern";
  31. if (!isModernAPI) {
  32. const {
  33. includePaths
  34. } = sassOptions;
  35. sassOptions.importer.push((0, _utils.getWebpackImporter)(this, implementation, includePaths));
  36. } else {
  37. sassOptions.importers.push((0, _utils.getModernWebpackImporter)(this, implementation));
  38. }
  39. }
  40. const compile = (0, _utils.getCompileFn)(implementation, options);
  41. let result;
  42. try {
  43. result = await compile(sassOptions, options);
  44. } catch (error) {
  45. // There are situations when the `file`/`span.url` property do not exist
  46. // Modern API
  47. if (error.span && typeof error.span.url !== "undefined") {
  48. this.addDependency(_url.default.fileURLToPath(error.span.url));
  49. } // Legacy API
  50. else if (typeof error.file !== "undefined") {
  51. // `node-sass` returns POSIX paths
  52. this.addDependency(_path.default.normalize(error.file));
  53. }
  54. callback(new _SassError.default(error));
  55. return;
  56. }
  57. let map = // Modern API, then legacy API
  58. result.sourceMap ? result.sourceMap : result.map ? JSON.parse(result.map) : null; // Modify source paths only for webpack, otherwise we do nothing
  59. if (map && useSourceMap) {
  60. map = (0, _utils.normalizeSourceMap)(map, this.rootContext);
  61. } // Modern API
  62. if (typeof result.loadedUrls !== "undefined") {
  63. result.loadedUrls.forEach(includedFile => {
  64. const normalizedIncludedFile = _url.default.fileURLToPath(includedFile); // Custom `importer` can return only `contents` so includedFile will be relative
  65. if (_path.default.isAbsolute(normalizedIncludedFile)) {
  66. this.addDependency(normalizedIncludedFile);
  67. }
  68. });
  69. } // Legacy API
  70. else if (typeof result.stats !== "undefined" && typeof result.stats.includedFiles !== "undefined") {
  71. result.stats.includedFiles.forEach(includedFile => {
  72. const normalizedIncludedFile = _path.default.normalize(includedFile); // Custom `importer` can return only `contents` so includedFile will be relative
  73. if (_path.default.isAbsolute(normalizedIncludedFile)) {
  74. this.addDependency(normalizedIncludedFile);
  75. }
  76. });
  77. }
  78. callback(null, result.css.toString(), map);
  79. }
  80. var _default = loader;
  81. exports.default = _default;