node_modules/stylelint/lib/utils/filterFilePaths.js

"use strict";

const { isPathValid } = require("ignore").default;

module.exports = function filterFilePaths(ignorer, filePaths) {
  const validForIgnore = filePaths.filter(isPathValid);
  // Paths which starts with `..` are not valid for `ignore`, e. g. `../style.css`
  const notValidForIgnore = filePaths.filter(p => !validForIgnore.includes(p));

  const filteredByIgnore = ignorer.filter(validForIgnore);

  // Preserving files order, while removing paths which were filtered by `ignore`
  return filePaths.filter(
    p => notValidForIgnore.includes(p) || filteredByIgnore.includes(p)
  );
};