Function readFile

src/utils.js:348–358

* @param {LoaderContext["fs"]} inputFileSystem input file system * @param {string} filepath file path * @returns {Promise } file contents

(inputFileSystem, filepath)

 * @returns {Promise<Buffer>} file contents
 */
function readFile(inputFileSystem, filepath) {
  return new Promise((resolve, reject) => {
    inputFileSystem.readFile(filepath, (error, stats) => {
      if (error) {
        reject(error);
      }

      resolve(/** @type {Buffer} */ (stats));
    });
  });
}

const URL_RE = /^(?:url\s*\(\s*)?['"]?(?:[#/]|(?:https?:)?\/\/)/i;