nestjs cli webpack build issues

nestjs-cli-webpack-build-issue.md

1. nest new test
2. add/install class-validator, class-transformer and @nestjs/mapped-types
3. update nest-cli.json to switch builder to webpack (according to https://docs.nestjs.com/cli/monorepo#global-compiler-options)
4. create webpack.config.js with following contents (according to https://docs.nestjs.com/cli/monorepo#webpack-options):

module.exports = {
  externals: [],
};

5. add the following code to src/main.ts

import { IntersectionType } from '@nestjs/mapped-types';

class DtoA {}

class DtoB {}

class DtoC extends IntersectionType(DtoA, DtoB) {}

DtoC;

6. npm run build produces 1 error

Module not found: Error: Can't resolve 'class-transformer/storage' in ...