How to use the jscrambler.default function in jscrambler

const {emptyDir, remove, mkdirp, readFile, writeFile} = require('fs-extra');
const jscrambler = require('jscrambler').default;
const commander = require('commander');
const fs = require('fs');
const path = require('path');

const BUNDLE_OUTPUT_CLI_ARG = '--bundle-output';

const JSCRAMBLER_TEMP_FOLDER = '.jscrambler';
const JSCRAMBLER_DIST_TEMP_FOLDER = `${JSCRAMBLER_TEMP_FOLDER}/dist/`;
const JSCRAMBLER_SRC_TEMP_FOLDER = `${JSCRAMBLER_TEMP_FOLDER}/src`;
const JSCRAMBLER_PROTECTION_ID_FILE = `${JSCRAMBLER_TEMP_FOLDER}/protectionId`;
const JSCRAMBLER_BEG_ANNOTATION = '"JSCRAMBLER-BEG";';
const JSCRAMBLER_END_ANNOTATION = '"JSCRAMBLER-END";';
const JSCRAMBLER_EXTS = /.(j|t)s(x)?$/i;

function getBundlePath() {
  commander.option(`${BUNDLE_OUTPUT_CLI_ARG} `).parse(process.argv);

const jscrambler = require('jscrambler').default;
const Plugin = require('broccoli-plugin');
const defaults = require('lodash.defaultsdeep');
const memoize = require('lodash.memoize');
const walkSync = require('walk-sync');
const path = require('path');
const fs = require('fs');
const mkdirp = require('mkdirp');
const symlinkOrCopy = require('symlink-or-copy');
const MatcherCollection = require('matcher-collection');

const silent = process.argv.indexOf('--silent') !== -1;

const ensureDir = memoize(filename => {
  const p = path.dirname(filename);
  mkdirp.sync(p);

/**
 * grunt-jscrambler
 * @author José Magalhães (magalhas@gmail.com)
 * @license MIT 
 */
'use strict';

var jscrambler = require('jscrambler').default;
var path = require('path');
var util = require('util');

module.exports = function (grunt) {
  grunt.registerMultiTask('jscrambler', 'Obfuscate your source files', function () {
    var done = this.async();
    var files = this.files;
    var options = this.options({
      keys: {},
      clientId: 4
    });

    options.filesSrc = this.filesSrc;

    function writeFile(buffer, file) {
      files.forEach(function (elem) {

'use strict';
var defaults = require('lodash.defaults');
var File = require('vinyl');
var jScrambler = require('jscrambler').default;
var path = require('path');
var PluginError = require('plugin-error');
var through = require('through2');

module.exports = function (options) {
  options = defaults(options || {}, {
    cwd: process.cwd(),
    filesSrc: [],
    keys: {},
    clientId: 3
  });

  var aggregate = function (file, enc, next) {
    if (file.isBuffer()) {
      options.filesSrc.push(file);
    }

const client = require('jscrambler').default;
const {SourceMapSource} = require('webpack-sources');

const sourceMaps = !!client.config.sourceMaps;

class JscramblerPlugin {
  constructor(_options) {
    let options = _options;
    if (typeof options !== 'object' || Array.isArray(options)) options = {};

    this.options = Object.assign(options, {
      clientId: 2
    });

    this.processResult = this.processResult.bind(this);
    this.processSourceMaps = this.processSourceMaps.bind(this);
  }