How to use the nativescript-dev-webpack.getConvertedExternals function in nativescript-dev-webpack

appPath = isNativeOnly === true ? 'app' : 'src',
    appResourcesPath = join(appPath, 'App_Resources'),

    // You can provide the following flags when running 'tns run android|ios'
    snapshot, // --env.snapshot
    production, // --env.production
    report, // --env.report
    hmr, // --env.hmr
    sourceMap, // -env.sourceMap
    hiddenSourceMap, // -env.HiddenSourceMap
    unitTesting, // -env.unittesting
    verbose // --env.verbose
  } = env;

  const isAnySourceMapEnabled = !!sourceMap || !!hiddenSourceMap;
  const externals = nsWebpack.getConvertedExternals(env.externals);

  // // // // --env.externals
  // // // const externals = (env.externals || []).map((e) => {
  // // //   return new RegExp(e + '.*');
  // // // });

  const mode = production ? 'production' : 'development';

  const appFullPath = resolve(projectRoot, appPath);
  const appResourcesFullPath = resolve(projectRoot, appResourcesPath);

  // const entryModule = nsWebpack.getEntryModule(appFullPath);
  const entryModule = nsWebpack.getEntryModule(appFullPath, platform);
  const entryPath = `.${sep}${entryModule}`;
  const entries = { bundle: entryPath };
  const areCoreModulesExternal = Array.isArray(env.externals) && env.externals.some((e) => e.indexOf('tns-core-modules') > -1);

const {
        // The 'appPath' and 'appResourcesPath' values are fetched from
        // the nsconfig.json configuration file
        // when bundling with `tns run android|ios --bundle`.
        appPath = "app",
        appResourcesPath = "app/App_Resources",

        // You can provide the following flags when running 'tns run android|ios'
        snapshot, // --env.snapshot
        uglify, // --env.uglify
        report, // --env.report
        sourceMap, // --env.sourceMap
        hmr, // --env.hmr,
        unitTesting, // --env.unitTesting
    } = env;
    const externals = nsWebpack.getConvertedExternals(env.externals);

    const appFullPath = resolve(projectRoot, appPath);
    const appResourcesFullPath = resolve(projectRoot, appResourcesPath);

    const entryModule = nsWebpack.getEntryModule(appFullPath);
    const entryPath = `.${sep}${entryModule}.ts`;
    const entries = { bundle: entryPath };
    if (platform === "ios") {
        entries["tns_modules/tns-core-modules/inspector_modules"] = "inspector_modules.js";
    };

    const config = {
        mode: uglify ? "production" : "development",
        context: appFullPath,
        externals,
        watchOptions: {

const {
        // The 'appPath' and 'appResourcesPath' values are fetched from
        // the nsconfig.json configuration file
        // when bundling with `tns run android|ios --bundle`.
        appPath = "app",
        appResourcesPath = "app/App_Resources",

        // You can provide the following flags when running 'tns run android|ios'
        snapshot, // --env.snapshot
        uglify, // --env.uglify
        report, // --env.report
        sourceMap, // --env.sourceMap
        hmr, // --env.hmr,
        unitTesting, // --env.unitTesting
    } = env;
    const externals = nsWebpack.getConvertedExternals(env.externals);

    const appFullPath = resolve(projectRoot, appPath);
    const appResourcesFullPath = resolve(projectRoot, appResourcesPath);

    const entryModule = nsWebpack.getEntryModule(appFullPath);
    const entryPath = `.${sep}${entryModule}.ts`;
    const entries = { bundle: entryPath };
    if (platform === "ios") {
        entries["tns_modules/tns-core-modules/inspector_modules"] = "inspector_modules.js";
    };

    const config = {
        mode: uglify ? "production" : "development",
        context: appFullPath,
        externals,
        watchOptions: {

// the nsconfig.json configuration file
        // when bundling with `tns run android|ios --bundle`.
        appPath = "src",
        appResourcesPath = "App_Resources",

        // You can provide the following flags when running 'tns run android|ios'
        aot, // --env.aot
        snapshot, // --env.snapshot
        uglify, // --env.uglify
        report, // --env.report
        sourceMap, // --env.sourceMap
        hmr, // --env.hmr,
        unitTesting, // --env.unitTesting
    } = env;

    const externals = nsWebpack.getConvertedExternals(env.externals);
    const appFullPath = resolve(projectRoot, appPath);
    const appResourcesFullPath = resolve(projectRoot, appResourcesPath);
    const tsConfigName = "tsconfig.tns.json";
    const entryModule = `${nsWebpack.getEntryModule(appFullPath)}.ts`;
    const entryPath = `.${sep}${entryModule}`;
    const entries = { bundle: entryPath };
    if (platform === "ios") {
        entries["tns_modules/tns-core-modules/inspector_modules"] = "inspector_modules.js";
    };

    const ngCompilerTransformers = [];
    const additionalLazyModuleResources = [];
    if (aot) {
        ngCompilerTransformers.push(nsReplaceBootstrap);
    }

// the nsconfig.json configuration file
    // when bundling with `tns run android|ios --bundle`.
    appPath = 'app',
    appResourcesPath = 'app/App_Resources',

    // You can provide the following flags when running 'tns run android|ios'
    snapshot, // --env.snapshot
    uglify, // --env.uglify
    report, // --env.report
    sourceMap, // --env.sourceMap
    hiddenSourceMap, // --env.hiddenSourceMap
    hmr, // --env.hmr,
    unitTesting // --env.unitTesting
  } = env;
  const isAnySourceMapEnabled = !!sourceMap || !!hiddenSourceMap;
  const externals = nsWebpack.getConvertedExternals(env.externals);

  const appFullPath = resolve(projectRoot, appPath);
  const appResourcesFullPath = resolve(projectRoot, appResourcesPath);

  const entryModule = nsWebpack.getEntryModule(appFullPath, platform);
  const entryPath = `.${sep}${entryModule}.ts`;
  const entries = { bundle: entryPath };

  const tsConfigPath = resolve(projectRoot, 'tsconfig.tns.json');

  if (platform === 'ios') {
    entries['tns_modules/tns-core-modules/inspector_modules'] =
      'inspector_modules.js';
  }

  let sourceMapFilename = nsWebpack.getSourceMapFilename(