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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

The method decorators

The official TypeScript decorator proposal defines a method decorator as follows:

"A method decorator function is a function that accepts three arguments: The object that owns the property, the key for the property (a string or a symbol), and optionally the property descriptor of the property. The function must return either undefined, the provided property descriptor, or a new property descriptor. Returning undefined is equivalent to returning the provided property descriptor".                                                                                  — Ron Buckton, Decorators Proposal - TypeScript

The method decorator is like the class decorator, but it is used to override a method, as opposed to using it to ...

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Publisher Resources

ISBN: 9781788391474Supplemental Content