How to create an object based on an interface file definition in TypeScript?
As a developer, there is no limit to learning. We always need to be up to date with technologies as well as the upcoming or current features which are trending in the market.
Recently, I was looking for the best way to optimize my angular code.I have gone through a lot of articles and as we know it is limitless. Then I thought of consolidating the checklist for writing cleaner code for Angular which helped me and might help others too.
These small articles not only help you to write a better TypeScript or JavaScript Code but also clear the concepts of front-end technologies. This will help you to build your strong base and can help you in the upcoming frontend interviews.
Let’s discuss how to effectively typecast in Angular?
If you want to create a variable that will actually be an instance of IModal in TypeScript you will need to define it fully.
const modal: IModal = {
val1: '',
val2: '',
};Or lie, with a type assertion, but you’ll lost type safety as you will now get undefined in unexpected places, and possibly runtime errors, when accessing modal.content and so on (properties that the contract says will be there).
const modal = {} as IModal;References:
Are you preparing for interviews? Here are frequently asked interview questions in Angular. It covers the Latest interview questions for Angular and Frontend development. Let’s check how many of these questions you can answer?
