You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
696 lines
24 KiB
696 lines
24 KiB
"use strict"; |
|
|
|
Object.defineProperty(exports, "__esModule", { |
|
value: true |
|
}); |
|
exports.getCompileFn = getCompileFn; |
|
exports.getModernWebpackImporter = getModernWebpackImporter; |
|
exports.getSassImplementation = getSassImplementation; |
|
exports.getSassOptions = getSassOptions; |
|
exports.getWebpackImporter = getWebpackImporter; |
|
exports.getWebpackResolver = getWebpackResolver; |
|
exports.isSupportedFibers = isSupportedFibers; |
|
exports.normalizeSourceMap = normalizeSourceMap; |
|
|
|
var _url = _interopRequireDefault(require("url")); |
|
|
|
var _path = _interopRequireDefault(require("path")); |
|
|
|
var _full = require("klona/full"); |
|
|
|
var _neoAsync = _interopRequireDefault(require("neo-async")); |
|
|
|
var _SassWarning = _interopRequireDefault(require("./SassWarning")); |
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
|
|
|
function getDefaultSassImplementation() { |
|
let sassImplPkg = "sass"; |
|
|
|
try { |
|
require.resolve("sass"); |
|
} catch (ignoreError) { |
|
try { |
|
require.resolve("node-sass"); |
|
|
|
sassImplPkg = "node-sass"; |
|
} catch (_ignoreError) { |
|
try { |
|
require.resolve("sass-embedded"); |
|
|
|
sassImplPkg = "sass-embedded"; |
|
} catch (__ignoreError) { |
|
sassImplPkg = "sass"; |
|
} |
|
} |
|
} // eslint-disable-next-line import/no-dynamic-require, global-require |
|
|
|
|
|
return require(sassImplPkg); |
|
} |
|
/** |
|
* 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. |
|
*/ |
|
|
|
|
|
function getSassImplementation(loaderContext, implementation) { |
|
let resolvedImplementation = implementation; |
|
|
|
if (!resolvedImplementation) { |
|
try { |
|
resolvedImplementation = getDefaultSassImplementation(); |
|
} catch (error) { |
|
loaderContext.emitError(error); |
|
return; |
|
} |
|
} |
|
|
|
if (typeof resolvedImplementation === "string") { |
|
try { |
|
// eslint-disable-next-line import/no-dynamic-require, global-require |
|
resolvedImplementation = require(resolvedImplementation); |
|
} catch (error) { |
|
loaderContext.emitError(error); // eslint-disable-next-line consistent-return |
|
|
|
return; |
|
} |
|
} |
|
|
|
const { |
|
info |
|
} = resolvedImplementation; |
|
|
|
if (!info) { |
|
loaderContext.emitError(new Error("Unknown Sass implementation.")); |
|
return; |
|
} |
|
|
|
const infoParts = info.split("\t"); |
|
|
|
if (infoParts.length < 2) { |
|
loaderContext.emitError(new Error(`Unknown Sass implementation "${info}".`)); |
|
return; |
|
} |
|
|
|
const [implementationName] = infoParts; |
|
|
|
if (implementationName === "dart-sass") { |
|
// eslint-disable-next-line consistent-return |
|
return resolvedImplementation; |
|
} else if (implementationName === "node-sass") { |
|
// eslint-disable-next-line consistent-return |
|
return resolvedImplementation; |
|
} else if (implementationName === "sass-embedded") { |
|
// eslint-disable-next-line consistent-return |
|
return resolvedImplementation; |
|
} |
|
|
|
loaderContext.emitError(new Error(`Unknown Sass implementation "${implementationName}".`)); |
|
} |
|
/** |
|
* @param {any} loaderContext |
|
* @returns {boolean} |
|
*/ |
|
|
|
|
|
function isProductionLikeMode(loaderContext) { |
|
return loaderContext.mode === "production" || !loaderContext.mode; |
|
} |
|
|
|
function proxyCustomImporters(importers, loaderContext) { |
|
return [].concat(importers).map(importer => function proxyImporter(...args) { |
|
const self = { ...this, |
|
webpackLoaderContext: loaderContext |
|
}; |
|
return importer.apply(self, args); |
|
}); |
|
} |
|
|
|
function isSupportedFibers() { |
|
const [nodeVersion] = process.versions.node.split("."); |
|
return Number(nodeVersion) < 16; |
|
} |
|
/** |
|
* Derives the sass options from the loader context and normalizes its values with sane defaults. |
|
* |
|
* @param {object} loaderContext |
|
* @param {object} loaderOptions |
|
* @param {string} content |
|
* @param {object} implementation |
|
* @param {boolean} useSourceMap |
|
* @returns {Object} |
|
*/ |
|
|
|
|
|
async function getSassOptions(loaderContext, loaderOptions, content, implementation, useSourceMap) { |
|
const options = (0, _full.klona)(loaderOptions.sassOptions ? typeof loaderOptions.sassOptions === "function" ? loaderOptions.sassOptions(loaderContext) || {} : loaderOptions.sassOptions : {}); |
|
const isDartSass = implementation.info.includes("dart-sass"); |
|
const isModernAPI = loaderOptions.api === "modern"; |
|
options.data = loaderOptions.additionalData ? typeof loaderOptions.additionalData === "function" ? await loaderOptions.additionalData(content, loaderContext) : `${loaderOptions.additionalData}\n${content}` : content; |
|
|
|
if (!options.logger) { |
|
// TODO set me to `true` by default in the next major release |
|
const needEmitWarning = loaderOptions.warnRuleAsWarning === true; |
|
const logger = loaderContext.getLogger("sass-loader"); |
|
|
|
const formatSpan = span => `${span.url || "-"}:${span.start.line}:${span.start.column}: `; |
|
|
|
options.logger = { |
|
debug(message, loggerOptions) { |
|
let builtMessage = ""; |
|
|
|
if (loggerOptions.span) { |
|
builtMessage = formatSpan(loggerOptions.span); |
|
} |
|
|
|
builtMessage += message; |
|
logger.debug(builtMessage); |
|
}, |
|
|
|
warn(message, loggerOptions) { |
|
let builtMessage = ""; |
|
|
|
if (loggerOptions.deprecation) { |
|
builtMessage += "Deprecation "; |
|
} |
|
|
|
if (loggerOptions.span && !loggerOptions.stack) { |
|
builtMessage = formatSpan(loggerOptions.span); |
|
} |
|
|
|
builtMessage += message; |
|
|
|
if (loggerOptions.stack) { |
|
builtMessage += `\n\n${loggerOptions.stack}`; |
|
} |
|
|
|
if (needEmitWarning) { |
|
loaderContext.emitWarning(new _SassWarning.default(builtMessage, loggerOptions)); |
|
} else { |
|
logger.warn(builtMessage); |
|
} |
|
} |
|
|
|
}; |
|
} |
|
|
|
const { |
|
resourcePath |
|
} = loaderContext; |
|
|
|
if (isModernAPI) { |
|
options.url = _url.default.pathToFileURL(resourcePath); // opt.outputStyle |
|
|
|
if (!options.style && isProductionLikeMode(loaderContext)) { |
|
options.style = "compressed"; |
|
} |
|
|
|
if (useSourceMap) { |
|
options.sourceMap = true; |
|
} // If we are compiling sass and indentedSyntax isn't set, automatically set it. |
|
|
|
|
|
if (typeof options.syntax === "undefined") { |
|
const ext = _path.default.extname(resourcePath); |
|
|
|
if (ext && ext.toLowerCase() === ".scss") { |
|
options.syntax = "scss"; |
|
} else if (ext && ext.toLowerCase() === ".sass") { |
|
options.syntax = "indented"; |
|
} else if (ext && ext.toLowerCase() === ".css") { |
|
options.syntax = "css"; |
|
} |
|
} |
|
|
|
options.importers = options.importers ? proxyCustomImporters(Array.isArray(options.importers) ? options.importers : [options.importers], loaderContext) : []; |
|
} else { |
|
options.file = resourcePath; |
|
|
|
if (isDartSass && isSupportedFibers()) { |
|
const shouldTryToResolveFibers = !options.fiber && options.fiber !== false; |
|
|
|
if (shouldTryToResolveFibers) { |
|
let fibers; |
|
|
|
try { |
|
fibers = require.resolve("fibers"); |
|
} catch (_error) {// Nothing |
|
} |
|
|
|
if (fibers) { |
|
// eslint-disable-next-line global-require, import/no-dynamic-require |
|
options.fiber = require(fibers); |
|
} |
|
} else if (options.fiber === false) { |
|
// Don't pass the `fiber` option for `sass` (`Dart Sass`) |
|
delete options.fiber; |
|
} |
|
} else { |
|
// Don't pass the `fiber` option for `node-sass` |
|
delete options.fiber; |
|
} // opt.outputStyle |
|
|
|
|
|
if (!options.outputStyle && isProductionLikeMode(loaderContext)) { |
|
options.outputStyle = "compressed"; |
|
} |
|
|
|
if (useSourceMap) { |
|
// Deliberately overriding the sourceMap option here. |
|
// node-sass won't produce source maps if the data option is used and options.sourceMap is not a string. |
|
// In case it is a string, options.sourceMap should be a path where the source map is written. |
|
// But since we're using the data option, the source map will not actually be written, but |
|
// all paths in sourceMap.sources will be relative to that path. |
|
// Pretty complicated... :( |
|
options.sourceMap = true; |
|
options.outFile = _path.default.join(loaderContext.rootContext, "style.css.map"); |
|
options.sourceMapContents = true; |
|
options.omitSourceMapUrl = true; |
|
options.sourceMapEmbed = false; |
|
} |
|
|
|
const ext = _path.default.extname(resourcePath); // If we are compiling sass and indentedSyntax isn't set, automatically set it. |
|
|
|
|
|
if (ext && ext.toLowerCase() === ".sass" && typeof options.indentedSyntax === "undefined") { |
|
options.indentedSyntax = true; |
|
} else { |
|
options.indentedSyntax = Boolean(options.indentedSyntax); |
|
} // Allow passing custom importers to `sass`/`node-sass`. Accepts `Function` or an array of `Function`s. |
|
|
|
|
|
options.importer = options.importer ? proxyCustomImporters(Array.isArray(options.importer) ? options.importer : [options.importer], loaderContext) : []; |
|
options.includePaths = [].concat(process.cwd()).concat( // We use `includePaths` in context for resolver, so it should be always absolute |
|
(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" ? ";" : ":") : []); |
|
|
|
if (typeof options.charset === "undefined") { |
|
options.charset = true; |
|
} |
|
} |
|
|
|
return options; |
|
} |
|
|
|
const MODULE_REQUEST_REGEX = /^[^?]*~/; // Examples: |
|
// - ~package |
|
// - ~package/ |
|
// - ~@org |
|
// - ~@org/ |
|
// - ~@org/package |
|
// - ~@org/package/ |
|
|
|
const IS_MODULE_IMPORT = /^~([^/]+|[^/]+\/|@[^/]+[/][^/]+|@[^/]+\/?|@[^/]+[/][^/]+\/)$/; |
|
/** |
|
* When `sass`/`node-sass` tries to resolve an import, it uses a special algorithm. |
|
* Since the `sass-loader` uses webpack to resolve the modules, we need to simulate that algorithm. |
|
* This function returns an array of import paths to try. |
|
* The last entry in the array is always the original url to enable straight-forward webpack.config aliases. |
|
* |
|
* We don't need emulate `dart-sass` "It's not clear which file to import." errors (when "file.ext" and "_file.ext" files are present simultaneously in the same directory). |
|
* This reduces performance and `dart-sass` always do it on own side. |
|
* |
|
* @param {string} url |
|
* @param {boolean} forWebpackResolver |
|
* @param {boolean} fromImport |
|
* @returns {Array<string>} |
|
*/ |
|
|
|
function getPossibleRequests( // eslint-disable-next-line no-shadow |
|
url, forWebpackResolver = false, fromImport = false) { |
|
let request = url; // In case there is module request, send this to webpack resolver |
|
|
|
if (forWebpackResolver) { |
|
if (MODULE_REQUEST_REGEX.test(url)) { |
|
request = request.replace(MODULE_REQUEST_REGEX, ""); |
|
} |
|
|
|
if (IS_MODULE_IMPORT.test(url)) { |
|
request = request[request.length - 1] === "/" ? request : `${request}/`; |
|
return [...new Set([request, url])]; |
|
} |
|
} // Keep in mind: ext can also be something like '.datepicker' when the true extension is omitted and the filename contains a dot. |
|
// @see https://github.com/webpack-contrib/sass-loader/issues/167 |
|
|
|
|
|
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. |
|
// 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: |
|
// - imports where the URL ends with .css. |
|
// - imports where the URL begins http:// or https://. |
|
// - imports where the URL is written as a url(). |
|
// - imports that have media queries. |
|
// |
|
// The `node-sass` package sends `@import` ending on `.css` to importer, it is bug, so we skip resolve |
|
|
|
|
|
if (extension === ".css") { |
|
return []; |
|
} |
|
|
|
const dirname = _path.default.dirname(request); |
|
|
|
const normalizedDirname = dirname === "." ? "" : `${dirname}/`; |
|
|
|
const basename = _path.default.basename(request); |
|
|
|
const basenameWithoutExtension = _path.default.basename(request, extension); |
|
|
|
return [...new Set([].concat(fromImport ? [`${normalizedDirname}_${basenameWithoutExtension}.import${extension}`, `${normalizedDirname}${basenameWithoutExtension}.import${extension}`] : []).concat([`${normalizedDirname}_${basename}`, `${normalizedDirname}${basename}`]).concat(forWebpackResolver ? [url] : []))]; |
|
} |
|
|
|
function promiseResolve(callbackResolve) { |
|
return (context, request) => new Promise((resolve, reject) => { |
|
callbackResolve(context, request, (error, result) => { |
|
if (error) { |
|
reject(error); |
|
} else { |
|
resolve(result); |
|
} |
|
}); |
|
}); |
|
} |
|
|
|
async function startResolving(resolutionMap) { |
|
if (resolutionMap.length === 0) { |
|
return Promise.reject(); |
|
} |
|
|
|
const [{ |
|
possibleRequests |
|
}] = resolutionMap; |
|
|
|
if (possibleRequests.length === 0) { |
|
return Promise.reject(); |
|
} |
|
|
|
const [{ |
|
resolve, |
|
context |
|
}] = resolutionMap; |
|
|
|
try { |
|
return await resolve(context, possibleRequests[0]); |
|
} catch (_ignoreError) { |
|
const [, ...tailResult] = possibleRequests; |
|
|
|
if (tailResult.length === 0) { |
|
const [, ...tailResolutionMap] = resolutionMap; |
|
return startResolving(tailResolutionMap); |
|
} // eslint-disable-next-line no-param-reassign |
|
|
|
|
|
resolutionMap[0].possibleRequests = tailResult; |
|
return startResolving(resolutionMap); |
|
} |
|
} |
|
|
|
const IS_SPECIAL_MODULE_IMPORT = /^~[^/]+$/; // `[drive_letter]:\` + `\\[server]\[sharename]\` |
|
|
|
const IS_NATIVE_WIN32_PATH = /^[a-z]:[/\\]|^\\\\/i; |
|
/** |
|
* @public |
|
* Create the resolve function used in the custom Sass importer. |
|
* |
|
* Can be used by external tools to mimic how `sass-loader` works, for example |
|
* in a Jest transform. Such usages will want to wrap `resolve.create` from |
|
* [`enhanced-resolve`]{@link https://github.com/webpack/enhanced-resolve} to |
|
* pass as the `resolverFactory` argument. |
|
* |
|
* @param {Function} resolverFactory - A factory function for creating a Webpack |
|
* resolver. |
|
* @param {Object} implementation - The imported Sass implementation, both |
|
* `sass` (Dart Sass) and `node-sass` are supported. |
|
* @param {string[]} [includePaths] - The list of include paths passed to Sass. |
|
* |
|
* @throws If a compatible Sass implementation cannot be found. |
|
*/ |
|
|
|
function getWebpackResolver(resolverFactory, implementation, includePaths = []) { |
|
const isDartSass = implementation && implementation.info.includes("dart-sass"); // We only have one difference with the built-in sass resolution logic and out resolution logic: |
|
// First, we look at the files starting with `_`, then without `_` (i.e. `_name.sass`, `_name.scss`, `_name.css`, `name.sass`, `name.scss`, `name.css`), |
|
// although `sass` look together by extensions (i.e. `_name.sass`/`name.sass`/`_name.scss`/`name.scss`/`_name.css`/`name.css`). |
|
// It shouldn't be a problem because `sass` throw errors: |
|
// - on having `_name.sass` and `name.sass` (extension can be `sass`, `scss` or `css`) in the same directory |
|
// - on having `_name.sass` and `_name.scss` in the same directory |
|
// |
|
// Also `sass` prefer `sass`/`scss` over `css`. |
|
|
|
const sassModuleResolve = promiseResolve(resolverFactory({ |
|
alias: [], |
|
aliasFields: [], |
|
conditionNames: [], |
|
descriptionFiles: [], |
|
extensions: [".sass", ".scss", ".css"], |
|
exportsFields: [], |
|
mainFields: [], |
|
mainFiles: ["_index", "index"], |
|
modules: [], |
|
restrictions: [/\.((sa|sc|c)ss)$/i], |
|
preferRelative: true |
|
})); |
|
const sassImportResolve = promiseResolve(resolverFactory({ |
|
alias: [], |
|
aliasFields: [], |
|
conditionNames: [], |
|
descriptionFiles: [], |
|
extensions: [".sass", ".scss", ".css"], |
|
exportsFields: [], |
|
mainFields: [], |
|
mainFiles: ["_index.import", "_index", "index.import", "index"], |
|
modules: [], |
|
restrictions: [/\.((sa|sc|c)ss)$/i], |
|
preferRelative: true |
|
})); |
|
const webpackModuleResolve = promiseResolve(resolverFactory({ |
|
dependencyType: "sass", |
|
conditionNames: ["sass", "style"], |
|
mainFields: ["sass", "style", "main", "..."], |
|
mainFiles: ["_index", "index", "..."], |
|
extensions: [".sass", ".scss", ".css"], |
|
restrictions: [/\.((sa|sc|c)ss)$/i], |
|
preferRelative: true |
|
})); |
|
const webpackImportResolve = promiseResolve(resolverFactory({ |
|
dependencyType: "sass", |
|
conditionNames: ["sass", "style"], |
|
mainFields: ["sass", "style", "main", "..."], |
|
mainFiles: ["_index.import", "_index", "index.import", "index", "..."], |
|
extensions: [".sass", ".scss", ".css"], |
|
restrictions: [/\.((sa|sc|c)ss)$/i], |
|
preferRelative: true |
|
})); |
|
return (context, request, fromImport) => { |
|
// See https://github.com/webpack/webpack/issues/12340 |
|
// Because `node-sass` calls our importer before `1. Filesystem imports relative to the base file.` |
|
// custom importer may not return `{ file: '/path/to/name.ext' }` and therefore our `context` will be relative |
|
if (!isDartSass && !_path.default.isAbsolute(context)) { |
|
return Promise.reject(); |
|
} |
|
|
|
const originalRequest = request; |
|
const isFileScheme = originalRequest.slice(0, 5).toLowerCase() === "file:"; |
|
|
|
if (isFileScheme) { |
|
try { |
|
// eslint-disable-next-line no-param-reassign |
|
request = _url.default.fileURLToPath(originalRequest); |
|
} catch (ignoreError) { |
|
// eslint-disable-next-line no-param-reassign |
|
request = request.slice(7); |
|
} |
|
} |
|
|
|
let resolutionMap = []; |
|
const needEmulateSassResolver = // `sass` doesn't support module import |
|
!IS_SPECIAL_MODULE_IMPORT.test(request) && // We need improve absolute paths handling. |
|
// Absolute paths should be resolved: |
|
// - Server-relative URLs - `<context>/path/to/file.ext` (where `<context>` is root context) |
|
// - Absolute path - `/full/path/to/file.ext` or `C:\\full\path\to\file.ext` |
|
!isFileScheme && !originalRequest.startsWith("/") && !IS_NATIVE_WIN32_PATH.test(originalRequest); |
|
|
|
if (includePaths.length > 0 && needEmulateSassResolver) { |
|
// The order of import precedence is as follows: |
|
// |
|
// 1. Filesystem imports relative to the base file. |
|
// 2. Custom importer imports. |
|
// 3. Filesystem imports relative to the working directory. |
|
// 4. Filesystem imports relative to an `includePaths` path. |
|
// 5. Filesystem imports relative to a `SASS_PATH` path. |
|
// |
|
// `sass` run custom importers before `3`, `4` and `5` points, we need to emulate this behavior to avoid wrong resolution. |
|
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 |
|
|
|
if (!isDartSass) { |
|
resolutionMap = resolutionMap.concat({ |
|
resolve: fromImport ? sassImportResolve : sassModuleResolve, |
|
context: _path.default.dirname(context), |
|
possibleRequests: sassPossibleRequests |
|
}); |
|
} |
|
|
|
resolutionMap = resolutionMap.concat( // eslint-disable-next-line no-shadow |
|
includePaths.map(context => { |
|
return { |
|
resolve: fromImport ? sassImportResolve : sassModuleResolve, |
|
context, |
|
possibleRequests: sassPossibleRequests |
|
}; |
|
})); |
|
} |
|
|
|
const webpackPossibleRequests = getPossibleRequests(request, true, fromImport); |
|
resolutionMap = resolutionMap.concat({ |
|
resolve: fromImport ? webpackImportResolve : webpackModuleResolve, |
|
context: _path.default.dirname(context), |
|
possibleRequests: webpackPossibleRequests |
|
}); |
|
return startResolving(resolutionMap); |
|
}; |
|
} |
|
|
|
const MATCH_CSS = /\.css$/i; |
|
|
|
function getModernWebpackImporter() { |
|
return { |
|
async canonicalize() { |
|
return null; |
|
}, |
|
|
|
load() {// TODO implement |
|
} |
|
|
|
}; |
|
} |
|
|
|
function getWebpackImporter(loaderContext, implementation, includePaths) { |
|
const resolve = getWebpackResolver(loaderContext.getResolve, implementation, includePaths); |
|
return function importer(originalUrl, prev, done) { |
|
const { |
|
fromImport |
|
} = this; |
|
resolve(prev, originalUrl, fromImport).then(result => { |
|
// Add the result as dependency. |
|
// Although we're also using stats.includedFiles, this might come in handy when an error occurs. |
|
// In this case, we don't get stats.includedFiles from node-sass/sass. |
|
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. |
|
|
|
done({ |
|
file: result.replace(MATCH_CSS, "") |
|
}); |
|
}) // Catch all resolving errors, return the original file and pass responsibility back to other custom importers |
|
.catch(() => { |
|
done({ |
|
file: originalUrl |
|
}); |
|
}); |
|
}; |
|
} |
|
|
|
let nodeSassJobQueue = null; |
|
/** |
|
* Verifies that the implementation and version of Sass is supported by this loader. |
|
* |
|
* @param {Object} implementation |
|
* @param {Object} options |
|
* @returns {Function} |
|
*/ |
|
|
|
function getCompileFn(implementation, options) { |
|
const isNewSass = implementation.info.includes("dart-sass") || implementation.info.includes("sass-embedded"); |
|
|
|
if (isNewSass) { |
|
if (options.api === "modern") { |
|
return sassOptions => { |
|
const { |
|
data, |
|
...rest |
|
} = sassOptions; |
|
return implementation.compileStringAsync(data, rest); |
|
}; |
|
} |
|
|
|
return sassOptions => new Promise((resolve, reject) => { |
|
implementation.render(sassOptions, (error, result) => { |
|
if (error) { |
|
reject(error); |
|
return; |
|
} |
|
|
|
resolve(result); |
|
}); |
|
}); |
|
} |
|
|
|
if (options.api === "modern") { |
|
throw new Error("Modern API is not supported for 'node-sass'"); |
|
} // There is an issue with node-sass when async custom importers are used |
|
// See https://github.com/sass/node-sass/issues/857#issuecomment-93594360 |
|
// We need to use a job queue to make sure that one thread is always available to the UV lib |
|
|
|
|
|
if (nodeSassJobQueue === null) { |
|
const threadPoolSize = Number(process.env.UV_THREADPOOL_SIZE || 4); |
|
nodeSassJobQueue = _neoAsync.default.queue(implementation.render.bind(implementation), threadPoolSize - 1); |
|
} |
|
|
|
return sassOptions => new Promise((resolve, reject) => { |
|
nodeSassJobQueue.push.bind(nodeSassJobQueue)(sassOptions, (error, result) => { |
|
if (error) { |
|
reject(error); |
|
return; |
|
} |
|
|
|
resolve(result); |
|
}); |
|
}); |
|
} |
|
|
|
const ABSOLUTE_SCHEME = /^[A-Za-z0-9+\-.]+:/; |
|
/** |
|
* @param {string} source |
|
* @returns {"absolute" | "scheme-relative" | "path-absolute" | "path-absolute"} |
|
*/ |
|
|
|
function getURLType(source) { |
|
if (source[0] === "/") { |
|
if (source[1] === "/") { |
|
return "scheme-relative"; |
|
} |
|
|
|
return "path-absolute"; |
|
} |
|
|
|
if (IS_NATIVE_WIN32_PATH.test(source)) { |
|
return "path-absolute"; |
|
} |
|
|
|
return ABSOLUTE_SCHEME.test(source) ? "absolute" : "path-relative"; |
|
} |
|
|
|
function normalizeSourceMap(map, rootContext) { |
|
const newMap = 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 |
|
|
|
if (typeof newMap.file !== "undefined") { |
|
delete newMap.file; |
|
} // eslint-disable-next-line no-param-reassign |
|
|
|
|
|
newMap.sourceRoot = ""; // 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 |
|
|
|
newMap.sources = newMap.sources.map(source => { |
|
const sourceType = getURLType(source); // Do no touch `scheme-relative`, `path-absolute` and `absolute` types (except `file:`) |
|
|
|
if (sourceType === "absolute" && /^file:/i.test(source)) { |
|
return _url.default.fileURLToPath(source); |
|
} else if (sourceType === "path-relative") { |
|
return _path.default.resolve(rootContext, _path.default.normalize(source)); |
|
} |
|
|
|
return source; |
|
}); |
|
return newMap; |
|
} |