1 | "use strict";
|
---|
2 |
|
---|
3 | Object.defineProperty(exports, "__esModule", {
|
---|
4 | value: true
|
---|
5 | });
|
---|
6 | exports.getSassImplementation = getSassImplementation;
|
---|
7 | exports.getSassOptions = getSassOptions;
|
---|
8 | exports.getWebpackResolver = getWebpackResolver;
|
---|
9 | exports.getWebpackImporter = getWebpackImporter;
|
---|
10 | exports.getRenderFunctionFromSassImplementation = getRenderFunctionFromSassImplementation;
|
---|
11 | exports.normalizeSourceMap = normalizeSourceMap;
|
---|
12 | exports.isSupportedFibers = isSupportedFibers;
|
---|
13 |
|
---|
14 | var _url = _interopRequireDefault(require("url"));
|
---|
15 |
|
---|
16 | var _path = _interopRequireDefault(require("path"));
|
---|
17 |
|
---|
18 | var _full = require("klona/full");
|
---|
19 |
|
---|
20 | var _neoAsync = _interopRequireDefault(require("neo-async"));
|
---|
21 |
|
---|
22 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
---|
23 |
|
---|
24 | function getDefaultSassImplementation() {
|
---|
25 | let sassImplPkg = "sass";
|
---|
26 |
|
---|
27 | try {
|
---|
28 | require.resolve("sass");
|
---|
29 | } catch (error) {
|
---|
30 | try {
|
---|
31 | require.resolve("node-sass");
|
---|
32 |
|
---|
33 | sassImplPkg = "node-sass";
|
---|
34 | } catch (ignoreError) {
|
---|
35 | sassImplPkg = "sass";
|
---|
36 | }
|
---|
37 | } // eslint-disable-next-line import/no-dynamic-require, global-require
|
---|
38 |
|
---|
39 |
|
---|
40 | return require(sassImplPkg);
|
---|
41 | }
|
---|
42 | /**
|
---|
43 | * This function is not Webpack-specific and can be used by tools wishing to mimic `sass-loader`'s behaviour, so its signature should not be changed.
|
---|
44 | */
|
---|
45 |
|
---|
46 |
|
---|
47 | function getSassImplementation(loaderContext, implementation) {
|
---|
48 | let resolvedImplementation = implementation;
|
---|
49 |
|
---|
50 | if (!resolvedImplementation) {
|
---|
51 | try {
|
---|
52 | resolvedImplementation = getDefaultSassImplementation();
|
---|
53 | } catch (error) {
|
---|
54 | loaderContext.emitError(error);
|
---|
55 | return;
|
---|
56 | }
|
---|
57 | }
|
---|
58 |
|
---|
59 | if (typeof resolvedImplementation === "string") {
|
---|
60 | try {
|
---|
61 | // eslint-disable-next-line import/no-dynamic-require, global-require
|
---|
62 | resolvedImplementation = require(resolvedImplementation);
|
---|
63 | } catch (error) {
|
---|
64 | loaderContext.emitError(error); // eslint-disable-next-line consistent-return
|
---|
65 |
|
---|
66 | return;
|
---|
67 | }
|
---|
68 | }
|
---|
69 |
|
---|
70 | const {
|
---|
71 | info
|
---|
72 | } = resolvedImplementation;
|
---|
73 |
|
---|
74 | if (!info) {
|
---|
75 | loaderContext.emitError(new Error("Unknown Sass implementation."));
|
---|
76 | return;
|
---|
77 | }
|
---|
78 |
|
---|
79 | const infoParts = info.split("\t");
|
---|
80 |
|
---|
81 | if (infoParts.length < 2) {
|
---|
82 | loaderContext.emitError(new Error(`Unknown Sass implementation "${info}".`));
|
---|
83 | return;
|
---|
84 | }
|
---|
85 |
|
---|
86 | const [implementationName] = infoParts;
|
---|
87 |
|
---|
88 | if (implementationName === "dart-sass") {
|
---|
89 | // eslint-disable-next-line consistent-return
|
---|
90 | return resolvedImplementation;
|
---|
91 | } else if (implementationName === "node-sass") {
|
---|
92 | // eslint-disable-next-line consistent-return
|
---|
93 | return resolvedImplementation;
|
---|
94 | }
|
---|
95 |
|
---|
96 | loaderContext.emitError(new Error(`Unknown Sass implementation "${implementationName}".`));
|
---|
97 | }
|
---|
98 | /**
|
---|
99 | * @param {any} loaderContext
|
---|
100 | * @returns {boolean}
|
---|
101 | */
|
---|
102 |
|
---|
103 |
|
---|
104 | function isProductionLikeMode(loaderContext) {
|
---|
105 | return loaderContext.mode === "production" || !loaderContext.mode;
|
---|
106 | }
|
---|
107 |
|
---|
108 | function proxyCustomImporters(importers, loaderContext) {
|
---|
109 | return [].concat(importers).map(importer => function proxyImporter(...args) {
|
---|
110 | const self = { ...this,
|
---|
111 | webpackLoaderContext: loaderContext
|
---|
112 | };
|
---|
113 | return importer.apply(self, args);
|
---|
114 | });
|
---|
115 | }
|
---|
116 |
|
---|
117 | function isSupportedFibers() {
|
---|
118 | const [nodeVersion] = process.versions.node.split(".");
|
---|
119 | return Number(nodeVersion) < 16;
|
---|
120 | }
|
---|
121 | /**
|
---|
122 | * Derives the sass options from the loader context and normalizes its values with sane defaults.
|
---|
123 | *
|
---|
124 | * @param {object} loaderContext
|
---|
125 | * @param {object} loaderOptions
|
---|
126 | * @param {string} content
|
---|
127 | * @param {object} implementation
|
---|
128 | * @param {boolean} useSourceMap
|
---|
129 | * @returns {Object}
|
---|
130 | */
|
---|
131 |
|
---|
132 |
|
---|
133 | async function getSassOptions(loaderContext, loaderOptions, content, implementation, useSourceMap) {
|
---|
134 | const options = (0, _full.klona)(loaderOptions.sassOptions ? typeof loaderOptions.sassOptions === "function" ? loaderOptions.sassOptions(loaderContext) || {} : loaderOptions.sassOptions : {});
|
---|
135 | const isDartSass = implementation.info.includes("dart-sass");
|
---|
136 |
|
---|
137 | if (isDartSass && isSupportedFibers()) {
|
---|
138 | const shouldTryToResolveFibers = !options.fiber && options.fiber !== false;
|
---|
139 |
|
---|
140 | if (shouldTryToResolveFibers) {
|
---|
141 | let fibers;
|
---|
142 |
|
---|
143 | try {
|
---|
144 | fibers = require.resolve("fibers");
|
---|
145 | } catch (_error) {// Nothing
|
---|
146 | }
|
---|
147 |
|
---|
148 | if (fibers) {
|
---|
149 | // eslint-disable-next-line global-require, import/no-dynamic-require
|
---|
150 | options.fiber = require(fibers);
|
---|
151 | }
|
---|
152 | } else if (options.fiber === false) {
|
---|
153 | // Don't pass the `fiber` option for `sass` (`Dart Sass`)
|
---|
154 | delete options.fiber;
|
---|
155 | }
|
---|
156 | } else {
|
---|
157 | // Don't pass the `fiber` option for `node-sass`
|
---|
158 | delete options.fiber;
|
---|
159 | }
|
---|
160 |
|
---|
161 | options.file = loaderContext.resourcePath;
|
---|
162 | options.data = loaderOptions.additionalData ? typeof loaderOptions.additionalData === "function" ? await loaderOptions.additionalData(content, loaderContext) : `${loaderOptions.additionalData}\n${content}` : content; // opt.outputStyle
|
---|
163 |
|
---|
164 | if (!options.outputStyle && isProductionLikeMode(loaderContext)) {
|
---|
165 | options.outputStyle = "compressed";
|
---|
166 | }
|
---|
167 |
|
---|
168 | if (useSourceMap) {
|
---|
169 | // Deliberately overriding the sourceMap option here.
|
---|
170 | // node-sass won't produce source maps if the data option is used and options.sourceMap is not a string.
|
---|
171 | // In case it is a string, options.sourceMap should be a path where the source map is written.
|
---|
172 | // But since we're using the data option, the source map will not actually be written, but
|
---|
173 | // all paths in sourceMap.sources will be relative to that path.
|
---|
174 | // Pretty complicated... :(
|
---|
175 | options.sourceMap = true;
|
---|
176 | options.outFile = _path.default.join(loaderContext.rootContext, "style.css.map");
|
---|
177 | options.sourceMapContents = true;
|
---|
178 | options.omitSourceMapUrl = true;
|
---|
179 | options.sourceMapEmbed = false;
|
---|
180 | }
|
---|
181 |
|
---|
182 | const {
|
---|
183 | resourcePath
|
---|
184 | } = loaderContext;
|
---|
185 |
|
---|
186 | const ext = _path.default.extname(resourcePath); // If we are compiling sass and indentedSyntax isn't set, automatically set it.
|
---|
187 |
|
---|
188 |
|
---|
189 | if (ext && ext.toLowerCase() === ".sass" && typeof options.indentedSyntax === "undefined") {
|
---|
190 | options.indentedSyntax = true;
|
---|
191 | } else {
|
---|
192 | options.indentedSyntax = Boolean(options.indentedSyntax);
|
---|
193 | } // Allow passing custom importers to `sass`/`node-sass`. Accepts `Function` or an array of `Function`s.
|
---|
194 |
|
---|
195 |
|
---|
196 | options.importer = options.importer ? proxyCustomImporters(Array.isArray(options.importer) ? options.importer : [options.importer], loaderContext) : [];
|
---|
197 | options.includePaths = [].concat(process.cwd()).concat( // We use `includePaths` in context for resolver, so it should be always absolute
|
---|
198 | (options.includePaths || []).map(includePath => _path.default.isAbsolute(includePath) ? includePath : _path.default.join(process.cwd(), includePath))).concat(process.env.SASS_PATH ? process.env.SASS_PATH.split(process.platform === "win32" ? ";" : ":") : []);
|
---|
199 | return options;
|
---|
200 | }
|
---|
201 |
|
---|
202 | const MODULE_REQUEST_REGEX = /^[^?]*~/; // Examples:
|
---|
203 | // - ~package
|
---|
204 | // - ~package/
|
---|
205 | // - ~@org
|
---|
206 | // - ~@org/
|
---|
207 | // - ~@org/package
|
---|
208 | // - ~@org/package/
|
---|
209 |
|
---|
210 | const IS_MODULE_IMPORT = /^~([^/]+|[^/]+\/|@[^/]+[/][^/]+|@[^/]+\/?|@[^/]+[/][^/]+\/)$/;
|
---|
211 | /**
|
---|
212 | * When `sass`/`node-sass` tries to resolve an import, it uses a special algorithm.
|
---|
213 | * Since the `sass-loader` uses webpack to resolve the modules, we need to simulate that algorithm.
|
---|
214 | * This function returns an array of import paths to try.
|
---|
215 | * The last entry in the array is always the original url to enable straight-forward webpack.config aliases.
|
---|
216 | *
|
---|
217 | * We don't need emulate `dart-sass` "It's not clear which file to import." errors (when "file.ext" and "_file.ext" files are present simultaneously in the same directory).
|
---|
218 | * This reduces performance and `dart-sass` always do it on own side.
|
---|
219 | *
|
---|
220 | * @param {string} url
|
---|
221 | * @param {boolean} forWebpackResolver
|
---|
222 | * @param {boolean} fromImport
|
---|
223 | * @returns {Array<string>}
|
---|
224 | */
|
---|
225 |
|
---|
226 | function getPossibleRequests( // eslint-disable-next-line no-shadow
|
---|
227 | url, forWebpackResolver = false, fromImport = false) {
|
---|
228 | let request = url; // In case there is module request, send this to webpack resolver
|
---|
229 |
|
---|
230 | if (forWebpackResolver) {
|
---|
231 | if (MODULE_REQUEST_REGEX.test(url)) {
|
---|
232 | request = request.replace(MODULE_REQUEST_REGEX, "");
|
---|
233 | }
|
---|
234 |
|
---|
235 | if (IS_MODULE_IMPORT.test(url)) {
|
---|
236 | request = request[request.length - 1] === "/" ? request : `${request}/`;
|
---|
237 | return [...new Set([request, url])];
|
---|
238 | }
|
---|
239 | } // Keep in mind: ext can also be something like '.datepicker' when the true extension is omitted and the filename contains a dot.
|
---|
240 | // @see https://github.com/webpack-contrib/sass-loader/issues/167
|
---|
241 |
|
---|
242 |
|
---|
243 | const extension = _path.default.extname(request).toLowerCase(); // Because @import is also defined in CSS, Sass needs a way of compiling plain CSS @imports without trying to import the files at compile time.
|
---|
244 | // To accomplish this, and to ensure SCSS is as much of a superset of CSS as possible, Sass will compile any @imports with the following characteristics to plain CSS imports:
|
---|
245 | // - imports where the URL ends with .css.
|
---|
246 | // - imports where the URL begins http:// or https://.
|
---|
247 | // - imports where the URL is written as a url().
|
---|
248 | // - imports that have media queries.
|
---|
249 | //
|
---|
250 | // The `node-sass` package sends `@import` ending on `.css` to importer, it is bug, so we skip resolve
|
---|
251 |
|
---|
252 |
|
---|
253 | if (extension === ".css") {
|
---|
254 | return [];
|
---|
255 | }
|
---|
256 |
|
---|
257 | const dirname = _path.default.dirname(request);
|
---|
258 |
|
---|
259 | const normalizedDirname = dirname === "." ? "" : `${dirname}/`;
|
---|
260 |
|
---|
261 | const basename = _path.default.basename(request);
|
---|
262 |
|
---|
263 | const basenameWithoutExtension = _path.default.basename(request, extension);
|
---|
264 |
|
---|
265 | return [...new Set([].concat(fromImport ? [`${normalizedDirname}_${basenameWithoutExtension}.import${extension}`, `${normalizedDirname}${basenameWithoutExtension}.import${extension}`] : []).concat([`${normalizedDirname}_${basename}`, `${normalizedDirname}${basename}`]).concat(forWebpackResolver ? [url] : []))];
|
---|
266 | }
|
---|
267 |
|
---|
268 | function promiseResolve(callbackResolve) {
|
---|
269 | return (context, request) => new Promise((resolve, reject) => {
|
---|
270 | callbackResolve(context, request, (error, result) => {
|
---|
271 | if (error) {
|
---|
272 | reject(error);
|
---|
273 | } else {
|
---|
274 | resolve(result);
|
---|
275 | }
|
---|
276 | });
|
---|
277 | });
|
---|
278 | }
|
---|
279 |
|
---|
280 | const IS_SPECIAL_MODULE_IMPORT = /^~[^/]+$/; // `[drive_letter]:\` + `\\[server]\[sharename]\`
|
---|
281 |
|
---|
282 | const IS_NATIVE_WIN32_PATH = /^[a-z]:[/\\]|^\\\\/i;
|
---|
283 | /**
|
---|
284 | * @public
|
---|
285 | * Create the resolve function used in the custom Sass importer.
|
---|
286 | *
|
---|
287 | * Can be used by external tools to mimic how `sass-loader` works, for example
|
---|
288 | * in a Jest transform. Such usages will want to wrap `resolve.create` from
|
---|
289 | * [`enhanced-resolve`]{@link https://github.com/webpack/enhanced-resolve} to
|
---|
290 | * pass as the `resolverFactory` argument.
|
---|
291 | *
|
---|
292 | * @param {Function} resolverFactory - A factory function for creating a Webpack
|
---|
293 | * resolver.
|
---|
294 | * @param {Object} implementation - The imported Sass implementation, both
|
---|
295 | * `sass` (Dart Sass) and `node-sass` are supported.
|
---|
296 | * @param {string[]} [includePaths] - The list of include paths passed to Sass.
|
---|
297 | *
|
---|
298 | * @throws If a compatible Sass implementation cannot be found.
|
---|
299 | */
|
---|
300 |
|
---|
301 | function getWebpackResolver(resolverFactory, implementation, includePaths = []) {
|
---|
302 | async function startResolving(resolutionMap) {
|
---|
303 | if (resolutionMap.length === 0) {
|
---|
304 | return Promise.reject();
|
---|
305 | }
|
---|
306 |
|
---|
307 | const [{
|
---|
308 | possibleRequests
|
---|
309 | }] = resolutionMap;
|
---|
310 |
|
---|
311 | if (possibleRequests.length === 0) {
|
---|
312 | return Promise.reject();
|
---|
313 | }
|
---|
314 |
|
---|
315 | const [{
|
---|
316 | resolve,
|
---|
317 | context
|
---|
318 | }] = resolutionMap;
|
---|
319 |
|
---|
320 | try {
|
---|
321 | return await resolve(context, possibleRequests[0]);
|
---|
322 | } catch (_ignoreError) {
|
---|
323 | const [, ...tailResult] = possibleRequests;
|
---|
324 |
|
---|
325 | if (tailResult.length === 0) {
|
---|
326 | const [, ...tailResolutionMap] = resolutionMap;
|
---|
327 | return startResolving(tailResolutionMap);
|
---|
328 | } // eslint-disable-next-line no-param-reassign
|
---|
329 |
|
---|
330 |
|
---|
331 | resolutionMap[0].possibleRequests = tailResult;
|
---|
332 | return startResolving(resolutionMap);
|
---|
333 | }
|
---|
334 | }
|
---|
335 |
|
---|
336 | const isDartSass = implementation.info.includes("dart-sass"); // We only have one difference with the built-in sass resolution logic and out resolution logic:
|
---|
337 | // First, we look at the files starting with `_`, then without `_` (i.e. `_name.sass`, `_name.scss`, `_name.css`, `name.sass`, `name.scss`, `name.css`),
|
---|
338 | // although `sass` look together by extensions (i.e. `_name.sass`/`name.sass`/`_name.scss`/`name.scss`/`_name.css`/`name.css`).
|
---|
339 | // It shouldn't be a problem because `sass` throw errors:
|
---|
340 | // - on having `_name.sass` and `name.sass` (extension can be `sass`, `scss` or `css`) in the same directory
|
---|
341 | // - on having `_name.sass` and `_name.scss` in the same directory
|
---|
342 | //
|
---|
343 | // Also `sass` prefer `sass`/`scss` over `css`.
|
---|
344 |
|
---|
345 | const sassModuleResolve = promiseResolve(resolverFactory({
|
---|
346 | alias: [],
|
---|
347 | aliasFields: [],
|
---|
348 | conditionNames: [],
|
---|
349 | descriptionFiles: [],
|
---|
350 | extensions: [".sass", ".scss", ".css"],
|
---|
351 | exportsFields: [],
|
---|
352 | mainFields: [],
|
---|
353 | mainFiles: ["_index", "index"],
|
---|
354 | modules: [],
|
---|
355 | restrictions: [/\.((sa|sc|c)ss)$/i],
|
---|
356 | preferRelative: true
|
---|
357 | }));
|
---|
358 | const sassImportResolve = promiseResolve(resolverFactory({
|
---|
359 | alias: [],
|
---|
360 | aliasFields: [],
|
---|
361 | conditionNames: [],
|
---|
362 | descriptionFiles: [],
|
---|
363 | extensions: [".sass", ".scss", ".css"],
|
---|
364 | exportsFields: [],
|
---|
365 | mainFields: [],
|
---|
366 | mainFiles: ["_index.import", "_index", "index.import", "index"],
|
---|
367 | modules: [],
|
---|
368 | restrictions: [/\.((sa|sc|c)ss)$/i],
|
---|
369 | preferRelative: true
|
---|
370 | }));
|
---|
371 | const webpackModuleResolve = promiseResolve(resolverFactory({
|
---|
372 | dependencyType: "sass",
|
---|
373 | conditionNames: ["sass", "style"],
|
---|
374 | mainFields: ["sass", "style", "main", "..."],
|
---|
375 | mainFiles: ["_index", "index", "..."],
|
---|
376 | extensions: [".sass", ".scss", ".css"],
|
---|
377 | restrictions: [/\.((sa|sc|c)ss)$/i],
|
---|
378 | preferRelative: true
|
---|
379 | }));
|
---|
380 | const webpackImportResolve = promiseResolve(resolverFactory({
|
---|
381 | dependencyType: "sass",
|
---|
382 | conditionNames: ["sass", "style"],
|
---|
383 | mainFields: ["sass", "style", "main", "..."],
|
---|
384 | mainFiles: ["_index.import", "_index", "index.import", "index", "..."],
|
---|
385 | extensions: [".sass", ".scss", ".css"],
|
---|
386 | restrictions: [/\.((sa|sc|c)ss)$/i],
|
---|
387 | preferRelative: true
|
---|
388 | }));
|
---|
389 | return (context, request, fromImport) => {
|
---|
390 | // See https://github.com/webpack/webpack/issues/12340
|
---|
391 | // Because `node-sass` calls our importer before `1. Filesystem imports relative to the base file.`
|
---|
392 | // custom importer may not return `{ file: '/path/to/name.ext' }` and therefore our `context` will be relative
|
---|
393 | if (!isDartSass && !_path.default.isAbsolute(context)) {
|
---|
394 | return Promise.reject();
|
---|
395 | }
|
---|
396 |
|
---|
397 | const originalRequest = request;
|
---|
398 | const isFileScheme = originalRequest.slice(0, 5).toLowerCase() === "file:";
|
---|
399 |
|
---|
400 | if (isFileScheme) {
|
---|
401 | try {
|
---|
402 | // eslint-disable-next-line no-param-reassign
|
---|
403 | request = _url.default.fileURLToPath(originalRequest);
|
---|
404 | } catch (ignoreError) {
|
---|
405 | // eslint-disable-next-line no-param-reassign
|
---|
406 | request = request.slice(7);
|
---|
407 | }
|
---|
408 | }
|
---|
409 |
|
---|
410 | let resolutionMap = [];
|
---|
411 | const needEmulateSassResolver = // `sass` doesn't support module import
|
---|
412 | !IS_SPECIAL_MODULE_IMPORT.test(request) && // We need improve absolute paths handling.
|
---|
413 | // Absolute paths should be resolved:
|
---|
414 | // - Server-relative URLs - `<context>/path/to/file.ext` (where `<context>` is root context)
|
---|
415 | // - Absolute path - `/full/path/to/file.ext` or `C:\\full\path\to\file.ext`
|
---|
416 | !isFileScheme && !originalRequest.startsWith("/") && !IS_NATIVE_WIN32_PATH.test(originalRequest);
|
---|
417 |
|
---|
418 | if (includePaths.length > 0 && needEmulateSassResolver) {
|
---|
419 | // The order of import precedence is as follows:
|
---|
420 | //
|
---|
421 | // 1. Filesystem imports relative to the base file.
|
---|
422 | // 2. Custom importer imports.
|
---|
423 | // 3. Filesystem imports relative to the working directory.
|
---|
424 | // 4. Filesystem imports relative to an `includePaths` path.
|
---|
425 | // 5. Filesystem imports relative to a `SASS_PATH` path.
|
---|
426 | //
|
---|
427 | // `sass` run custom importers before `3`, `4` and `5` points, we need to emulate this behavior to avoid wrong resolution.
|
---|
428 | const sassPossibleRequests = getPossibleRequests(request, false, fromImport); // `node-sass` calls our importer before `1. Filesystem imports relative to the base file.`, so we need emulate this too
|
---|
429 |
|
---|
430 | if (!isDartSass) {
|
---|
431 | resolutionMap = resolutionMap.concat({
|
---|
432 | resolve: fromImport ? sassImportResolve : sassModuleResolve,
|
---|
433 | context: _path.default.dirname(context),
|
---|
434 | possibleRequests: sassPossibleRequests
|
---|
435 | });
|
---|
436 | }
|
---|
437 |
|
---|
438 | resolutionMap = resolutionMap.concat( // eslint-disable-next-line no-shadow
|
---|
439 | includePaths.map(context => {
|
---|
440 | return {
|
---|
441 | resolve: fromImport ? sassImportResolve : sassModuleResolve,
|
---|
442 | context,
|
---|
443 | possibleRequests: sassPossibleRequests
|
---|
444 | };
|
---|
445 | }));
|
---|
446 | }
|
---|
447 |
|
---|
448 | const webpackPossibleRequests = getPossibleRequests(request, true, fromImport);
|
---|
449 | resolutionMap = resolutionMap.concat({
|
---|
450 | resolve: fromImport ? webpackImportResolve : webpackModuleResolve,
|
---|
451 | context: _path.default.dirname(context),
|
---|
452 | possibleRequests: webpackPossibleRequests
|
---|
453 | });
|
---|
454 | return startResolving(resolutionMap);
|
---|
455 | };
|
---|
456 | }
|
---|
457 |
|
---|
458 | const MATCH_CSS = /\.css$/i;
|
---|
459 |
|
---|
460 | function getWebpackImporter(loaderContext, implementation, includePaths) {
|
---|
461 | const resolve = getWebpackResolver(loaderContext.getResolve, implementation, includePaths);
|
---|
462 | return function importer(originalUrl, prev, done) {
|
---|
463 | const {
|
---|
464 | fromImport
|
---|
465 | } = this;
|
---|
466 | resolve(prev, originalUrl, fromImport).then(result => {
|
---|
467 | // Add the result as dependency.
|
---|
468 | // Although we're also using stats.includedFiles, this might come in handy when an error occurs.
|
---|
469 | // In this case, we don't get stats.includedFiles from node-sass/sass.
|
---|
470 | loaderContext.addDependency(_path.default.normalize(result)); // By removing the CSS file extension, we trigger node-sass to include the CSS file instead of just linking it.
|
---|
471 |
|
---|
472 | done({
|
---|
473 | file: result.replace(MATCH_CSS, "")
|
---|
474 | });
|
---|
475 | }) // Catch all resolving errors, return the original file and pass responsibility back to other custom importers
|
---|
476 | .catch(() => {
|
---|
477 | done({
|
---|
478 | file: originalUrl
|
---|
479 | });
|
---|
480 | });
|
---|
481 | };
|
---|
482 | }
|
---|
483 |
|
---|
484 | let nodeSassJobQueue = null;
|
---|
485 | /**
|
---|
486 | * Verifies that the implementation and version of Sass is supported by this loader.
|
---|
487 | *
|
---|
488 | * @param {Object} implementation
|
---|
489 | * @returns {Function}
|
---|
490 | */
|
---|
491 |
|
---|
492 | function getRenderFunctionFromSassImplementation(implementation) {
|
---|
493 | const isDartSass = implementation.info.includes("dart-sass");
|
---|
494 |
|
---|
495 | if (isDartSass) {
|
---|
496 | return implementation.render.bind(implementation);
|
---|
497 | } // There is an issue with node-sass when async custom importers are used
|
---|
498 | // See https://github.com/sass/node-sass/issues/857#issuecomment-93594360
|
---|
499 | // We need to use a job queue to make sure that one thread is always available to the UV lib
|
---|
500 |
|
---|
501 |
|
---|
502 | if (nodeSassJobQueue === null) {
|
---|
503 | const threadPoolSize = Number(process.env.UV_THREADPOOL_SIZE || 4);
|
---|
504 | nodeSassJobQueue = _neoAsync.default.queue(implementation.render.bind(implementation), threadPoolSize - 1);
|
---|
505 | }
|
---|
506 |
|
---|
507 | return nodeSassJobQueue.push.bind(nodeSassJobQueue);
|
---|
508 | }
|
---|
509 |
|
---|
510 | const ABSOLUTE_SCHEME = /^[A-Za-z0-9+\-.]+:/;
|
---|
511 | /**
|
---|
512 | * @param {string} source
|
---|
513 | * @returns {"absolute" | "scheme-relative" | "path-absolute" | "path-absolute"}
|
---|
514 | */
|
---|
515 |
|
---|
516 | function getURLType(source) {
|
---|
517 | if (source[0] === "/") {
|
---|
518 | if (source[1] === "/") {
|
---|
519 | return "scheme-relative";
|
---|
520 | }
|
---|
521 |
|
---|
522 | return "path-absolute";
|
---|
523 | }
|
---|
524 |
|
---|
525 | if (IS_NATIVE_WIN32_PATH.test(source)) {
|
---|
526 | return "path-absolute";
|
---|
527 | }
|
---|
528 |
|
---|
529 | return ABSOLUTE_SCHEME.test(source) ? "absolute" : "path-relative";
|
---|
530 | }
|
---|
531 |
|
---|
532 | function normalizeSourceMap(map, rootContext) {
|
---|
533 | const newMap = map; // result.map.file is an optional property that provides the output filename.
|
---|
534 | // Since we don't know the final filename in the webpack build chain yet, it makes no sense to have it.
|
---|
535 | // eslint-disable-next-line no-param-reassign
|
---|
536 |
|
---|
537 | delete newMap.file; // eslint-disable-next-line no-param-reassign
|
---|
538 |
|
---|
539 | newMap.sourceRoot = ""; // node-sass returns POSIX paths, that's why we need to transform them back to native paths.
|
---|
540 | // This fixes an error on windows where the source-map module cannot resolve the source maps.
|
---|
541 | // @see https://github.com/webpack-contrib/sass-loader/issues/366#issuecomment-279460722
|
---|
542 | // eslint-disable-next-line no-param-reassign
|
---|
543 |
|
---|
544 | newMap.sources = newMap.sources.map(source => {
|
---|
545 | const sourceType = getURLType(source); // Do no touch `scheme-relative`, `path-absolute` and `absolute` types
|
---|
546 |
|
---|
547 | if (sourceType === "path-relative") {
|
---|
548 | return _path.default.resolve(rootContext, _path.default.normalize(source));
|
---|
549 | }
|
---|
550 |
|
---|
551 | return source;
|
---|
552 | });
|
---|
553 | return newMap;
|
---|
554 | } |
---|