4. yarn workspaces - example imported files

index.ts

/**
 * @namespace @monorepo/common
 * @desc barrel file to export the common files  
 */
export * from './models';

models.ts

/**
 * @namespace @monorepo/common
 * @interface IUser 
 */
export interface IUser{
  email: string;
  name: string; 
}

user.service.ts

/**
 * @namespace @monorepo/nestjs
 */
import {IUser} from '@monorepo/common';

export class UserService{
    users: IUser[] = [];

    getUsers(): IUser{
        return [
            {
                email: 'nick@master-class.io',
                name: 'Nick Mitchell'
            }
        ];
    }
}