Function normalizeSourceMap

src/utils.js:377–392

* @param {SourceMap} map map * @returns {SourceMap} normalized source map

(map)

 * @returns {SourceMap} normalized source map
 */
function normalizeSourceMap(map) {
  const newMap = map;

  // 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.

  delete newMap.file;

  newMap.sourceRoot = "";

  // `less` returns POSIX paths, that's why we need to transform them back to native paths.

  newMap.sources = newMap.sources.map((source) => path.normalize(source));

  return newMap;
}

/**
 * @param {string} specifier specifier