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Learning TypeScript 2.x - Second Edition
book

Learning TypeScript 2.x - Second Edition

by Remo H. Jansen
April 2018
Beginner content levelBeginner
536 pages
13h 21m
English
Packt Publishing
Content preview from Learning TypeScript 2.x - Second Edition

Implementing mixins

Now that we know why multiple inheritance can be potentially dangerous, we will introduce a feature known as mixins. Mixins are an alternative to multiple inheritance with some limitations.

We are going to re-declare the Mammal and WingedAnimal classes to showcase how to work with mixins:

class Mammal { 
    public breath(): string { 
        return "I'm alive!"; 
    } 
} 
 
class WingedAnimal { 
    public fly(): string { 
        return "I can fly!"; 
    } 
} 

The two classes presented in the preceding example are not much different from the ones that we declared in the preceding sections. We have added some logic to the breath and fly methods, so we can have some values to help us understand this demonstration. It is also important to note that the Mammal ...

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Publisher Resources

ISBN: 9781788391474Supplemental Content