Function finalizeEsmResolution

lib/internal/modules/cjs/loader.js:1604–1616

* Finishes resolving an ES module specifier into an absolute file path. * @param {string} resolved The resolved module specifier * @param {string} parentPath The path of the parent module * @param {string} pkgPath The path of the package.json file * @throws {ERR_INVALID_MODULE_SPECIFIER} If the

(resolved, parentPath, pkgPath)

 * @returns {void|string|undefined}
 */
function finalizeEsmResolution(resolved, parentPath, pkgPath) {
  const { encodedSepRegEx } = require('internal/modules/esm/resolve');
  if (RegExpPrototypeExec(encodedSepRegEx, resolved) !== null) {
    throw new ERR_INVALID_MODULE_SPECIFIER(
      resolved, 'must not include encoded "/" or "\\" characters', parentPath);
  }
  const filename = fileURLToPath(resolved);
  const actual = tryFile(filename);
  if (actual) {
    return actual;
  }
  throw createEsmNotFoundErr(filename, pkgPath);
}

/**
 * Creates an error object for when a requested ES module cannot be found.