How to use the ts-loader/dist/config.js.getConfigFile function in ts-loader

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const tsLoaderConfigModule = require('ts-loader/dist/config.js');
const tsLoaderUtilsModule = require('ts-loader/dist/utils.js');

tsLoaderConfigModule.getConfigFile = function getConfigFile(
    compiler, loader, loaderOptions, compilerCompatible, log, compilerDetailsLogMessage) {
  let configFilePath = loaderOptions.configFileName;
  var configFileError;
  log.logInfo(('ts-loader: Using config file at ' + configFilePath).green);
  let configFile = compiler.readConfigFile(configFilePath, compiler.sys.readFile);
  if (configFile.error) {
    configFileError = tsLoaderUtilsModule.formatErrors(
        [configFile.error], loaderOptions, compiler, {file: configFilePath})[0];
  }
  if (!configFileError) {
    configFile.config.compilerOptions =
        Object.assign({}, configFile.config.compilerOptions, loaderOptions.compilerOptions);
    // do any necessary config massaging
    if (loaderOptions.transpileOnly) {
      configFile.config.compilerOptions.isolatedModules = true;
    }