How to use the typescript-to-proptypes.loadConfig function in typescript-to-proptypes

import * as _ from 'lodash';
import { fixBabelGeneratorIssues, fixLineEndings } from '../docs/scripts/helpers';

const glob = promisify(globCallback);

const ignoreCache = process.argv.includes('--disable-cache');
const verbose = process.argv.includes('--verbose');

enum GenerateResult {
  Success,
  Skipped,
  NoComponent,
  Failed,
}

const tsconfig = ttp.loadConfig(path.resolve(__dirname, '../tsconfig.json'));

const prettierConfig = prettier.resolveConfig.sync(process.cwd(), {
  config: path.join(__dirname, '../prettier.config.js'),
});

async function generateProptypes(
  tsFile: string,
  jsFile: string,
  program: ttp.ts.Program,
): Promise {
  const proptypes = ttp.parseFromProgram(tsFile, program, {
    shouldResolveObject: ({ name }) => {
      if (name.toLowerCase().endsWith('classes') || name === 'theme' || name.endsWith('Props')) {
        return false;
      }
      return undefined;

*/

/**
 * List of demos to ignore when transpiling
 * Example: "app-bar/BottomAppBar.tsx"
 */
const ignoreList = [];

const fse = require('fs-extra');
const path = require('path');
const babel = require('@babel/core');
const prettier = require('prettier');
const typescriptToProptypes = require('typescript-to-proptypes');
const { fixBabelGeneratorIssues, fixLineEndings } = require('./helpers');

const tsConfig = typescriptToProptypes.loadConfig(path.resolve(__dirname, '../tsconfig.json'));

const babelConfig = {
  presets: ['@babel/preset-typescript'],
  plugins: ['unwrap-createstyles'],
  generatorOpts: { retainLines: true },
  babelrc: false,
  configFile: false,
};

const watchMode = process.argv.some(arg => arg === '--watch');
const cacheDisabled = process.argv.some(arg => arg === '--disable-cache');

const workspaceRoot = path.join(__dirname, '../../');

const prettierConfig = prettier.resolveConfig.sync(process.cwd(), {
  config: path.join(workspaceRoot, 'prettier.config.js'),