Speedtest-Tracker/conf/site/node_modules/sass-loader/dist/utils.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = getPossibleRequests;
exports.getSassImplementation = getSassImplementation;
exports.getSassOptions = getSassOptions;
exports.getWebpackImporter = getWebpackImporter;
exports.getRenderFunctionFromSassImplementation = getRenderFunctionFromSassImplementation;

var _url = _interopRequireDefault(require("url"));

var _path = _interopRequireDefault(require("path"));

var _semver = _interopRequireDefault(require("semver"));

var _klona = _interopRequireDefault(require("klona"));

var _loaderUtils = require("loader-utils");

var _neoAsync = _interopRequireDefault(require("neo-async"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function getDefaultSassImplementation() {
  let sassImplPkg = 'sass';

  try {
    require.resolve('sass');
  } catch (error) {
    try {
      require.resolve('node-sass');

      sassImplPkg = 'node-sass';
    } catch (ignoreError) {
      sassImplPkg = 'sass';
    }
  } // eslint-disable-next-line import/no-dynamic-require, global-require


  return require(sassImplPkg);
}

function getSassImplementation(implementation) {
  let resolvedImplementation = implementation;

  if (!resolvedImplementation) {
    // eslint-disable-next-line no-param-reassign
    resolvedImplementation = getDefaultSassImplementation();
  }

  const {
    info
  } = resolvedImplementation;

  if (!info) {
    throw new Error('Unknown Sass implementation.');
  }

  const infoParts = info.split('\t');

  if (infoParts.length < 2) {
    throw new Error(`Unknown Sass implementation "${info}".`);
  }

  const [implementationName, version] = infoParts;

  if (implementationName === 'dart-sass') {
    if (!_semver.default.satisfies(version, '^1.3.0')) {
      throw new Error(`Dart Sass version ${version} is incompatible with ^1.3.0.`);
    }

    return resolvedImplementation;
  } else if (implementationName === 'node-sass') {
    if (!_semver.default.satisfies(version, '^4.0.0')) {
      throw new Error(`Node Sass version ${version} is incompatible with ^4.0.0.`);
    }

    return resolvedImplementation;
  }

  throw new Error(`Unknown Sass implementation "${implementationName}".`);
}

function isProductionLikeMode(loaderContext) {
  return loaderContext.mode === 'production' || !loaderContext.mode;
}

function proxyCustomImporters(importers, loaderContext) {
  return [].concat(importers).map(importer => {
    return function proxyImporter(...args) {
      this.webpackLoaderContext = loaderContext;
      return importer.apply(this, args);
    };
  });
}
/**
 * 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
 * @returns {Object}
 */


function getSassOptions(loaderContext, loaderOptions, content, implementation) {
  const options = (0, _klona.default)(loaderOptions.sassOptions ? typeof loaderOptions.sassOptions === 'function' ? loaderOptions.sassOptions(loaderContext) || {} : loaderOptions.sassOptions : {});
  const isDartSass = implementation.info.includes('dart-sass');

  if (isDartSass) {
    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;
  }

  options.file = loaderContext.resourcePath;
  options.data = loaderOptions.additionalData ? typeof loaderOptions.additionalData === 'function' ? loaderOptions.additionalData(content, loaderContext) : `${loaderOptions.additionalData}\n${content}` : content; // opt.outputStyle

  if (!options.outputStyle && isProductionLikeMode(loaderContext)) {
    options.outputStyle = 'compressed';
  }

  const useSourceMap = typeof loaderOptions.sourceMap === 'boolean' ? loaderOptions.sourceMap : loaderContext.sourceMap;

  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 = _path.default.join(process.cwd(), '/sass.css.map');
    options.sourceMapRoot = process.cwd();
    options.sourceMapContents = true;
    options.omitSourceMapUrl = true;
    options.sourceMapEmbed = false;
  }

  const {
    resourcePath
  } = loaderContext;

  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(options.includePaths || []).concat(process.env.SASS_PATH ? process.env.SASS_PATH.split(process.platform === 'win32' ? ';' : ':') : []);
  return options;
} // Examples:
// - ~package
// - ~package/
// - ~@org
// - ~@org/
// - ~@org/package
// - ~@org/package/


const isModuleImport = /^~([^/]+|[^/]+\/|@[^/]+[/][^/]+|@[^/]+\/?|@[^/]+[/][^/]+\/)$/;
/**
 * 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 {Object} loaderContext
 * @returns {Array<string>}
 */

function getPossibleRequests(loaderContext, // eslint-disable-next-line no-shadow
url, forWebpackResolver = false) {
  const request = (0, _loaderUtils.urlToRequest)(url, // Maybe it is server-relative URLs
  forWebpackResolver && url.charAt(0) === '/' ? loaderContext.rootContext : // eslint-disable-next-line no-undefined
  undefined); // In case there is module request, send this to webpack resolver

  if (forWebpackResolver && isModuleImport.test(url)) {
    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 ext = _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 (ext === '.css') {
    return [];
  }

  const dirname = _path.default.dirname(request);

  const basename = _path.default.basename(request);

  return [...new Set([`${dirname}/_${basename}`, request].concat(forWebpackResolver ? [url] : []))];
}

const matchCss = /\.css$/i;
const isSpecialModuleImport = /^~[^/]+$/; // `[drive_letter]:\` + `\\[server]\[sharename]\`

const isNativeWin32Path = /^[a-zA-Z]:[/\\]|^\\\\/i;

function getWebpackImporter(loaderContext, includePaths) {
  function startResolving(resolutionMap) {
    if (resolutionMap.length === 0) {
      return Promise.reject();
    }

    const [{
      resolve,
      context,
      possibleRequests
    }] = resolutionMap;
    return resolve(context, possibleRequests[0]).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.

      return {
        file: result.replace(matchCss, '')
      };
    }).catch(() => {
      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 sassResolve = loaderContext.getResolve({
    alias: [],
    aliasFields: [],
    conditionNames: [],
    descriptionFiles: [],
    extensions: ['.sass', '.scss', '.css'],
    exportsFields: [],
    mainFields: [],
    mainFiles: ['_index', 'index'],
    modules: [],
    restrictions: [/\.((sa|sc|c)ss)$/i]
  });
  const webpackResolve = loaderContext.getResolve({
    conditionNames: ['sass', 'style'],
    mainFields: ['sass', 'style', 'main', '...'],
    mainFiles: ['_index', 'index', '...'],
    extensions: ['.sass', '.scss', '.css'],
    restrictions: [/\.((sa|sc|c)ss)$/i]
  });
  return (originalUrl, prev, done) => {
    let request = originalUrl;
    const isFileScheme = originalUrl.slice(0, 5).toLowerCase() === 'file:';

    if (isFileScheme) {
      try {
        // eslint-disable-next-line no-param-reassign
        request = _url.default.fileURLToPath(originalUrl);
      } catch (ignoreError) {
        request = request.slice(7);
      }
    }

    let resolutionMap = [];
    const needEmulateSassResolver = // `sass` doesn't support module import
    !isSpecialModuleImport.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 && !originalUrl.startsWith('/') && !isNativeWin32Path.test(originalUrl);

    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.
      //
      // Because `sass`/`node-sass` run custom importers before `3`, `4` and `5` points, we need to emulate this behavior to avoid wrong resolution.
      const sassPossibleRequests = getPossibleRequests(loaderContext, request);
      resolutionMap = resolutionMap.concat(includePaths.map(context => ({
        resolve: sassResolve,
        context,
        possibleRequests: sassPossibleRequests
      })));
    }

    const webpackPossibleRequests = getPossibleRequests(loaderContext, request, true);
    resolutionMap = resolutionMap.concat({
      resolve: webpackResolve,
      context: _path.default.dirname(prev),
      possibleRequests: webpackPossibleRequests
    });
    startResolving(resolutionMap) // Catch all resolving errors, return the original file and pass responsibility back to other custom importers
    .catch(() => ({
      file: originalUrl
    })).then(done);
  };
}

let nodeSassJobQueue = null;
/**
 * Verifies that the implementation and version of Sass is supported by this loader.
 *
 * @param {Object} implementation
 * @returns {Function}
 */

function getRenderFunctionFromSassImplementation(implementation) {
  const isDartSass = implementation.info.includes('dart-sass');

  if (isDartSass) {
    return implementation.render.bind(implementation);
  } // 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 nodeSassJobQueue.push.bind(nodeSassJobQueue);
}