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    Add Custom Data Types with TypeScript Interfaces in Angular

    angularAngular

    Right now, our app is just using the generic any type for our habits. The any type basically tells TypeScript to leave us alone and not bother us. This gets our app to work, but it's kind of riding a bike with a deflated back wheel. Angular really shines when you can take advantage of the power of TypeScript. Let's add a custom type for habits using an interface. Then, we'll use it in the habit service and the list and item components.