Great article Dewaun! This line of code: table$: Observable<Table["table"]>; made me wonder why you didn't just define it: table$: Observable<Array<Row>>; as it's basically an array of rows. I'm a big fan of accessing properties as Table.table because if you refactor the name, you will get the errors in compile time instead of run time. Friendly review :)

In this article I will create step by step an Authentication library and along the way will describe Interceptors and Guards. Application Description This application will have these pages: Login, Home, User Dashboard and Admin Dashboard which will have different access levels as described in the table below. For the…

In this article I will first implement a queue in typescript and will display data saved in the queue using Angular. Later on I will talk about priority queues and implement it using a similar logic. …

In this article I will implement a stack in typescript and will display data saved in stack using Angular. Later on we will use this stack to solve the problem where we need to check if a string of parenthesis is balanced. Stack is a LIFO (Last In First Out)…

According to the official documentation: “RxJS is a library for composing asynchronous and event-based programs by using observable sequences.” There are lots of articles and definitions around the web related to async programming, but still challenges developers at the beginning. In my opinion RxJS is more than a library, it…

In this article I will introduce a performant solution on how to implement a list with a large amount of data. I will start with displaying a short list and next will suppose that the data set is very large. The last step will be loading this large set from…

When I first started programming dependency injection and all the concepts related to it seemed to be a bit abstract for me. I could still create services and inject them, but still there seemed to be a gap in my mind on how this implementation seemed to work. In this…

Step by step guide: Application using NestJs and Angular Just a few days before Christmas I came along with NestJs framework. Always wanted to give a try to NodeJs development, but the idea of a javascript backend seemed to keep me away. NestJs is a framework for building Node.js server…

When building applications at some point you will need the user input, either a value or a whole set of data. That’s when forms come into play. Angular provides two types of forms: Template Driven and Reactive Forms. Depending on your requirements you will have to choose between the two…