- What is the problem solved by namespaces, and what is the JavaScript equivalent of namespaces?
- Can you list the main pitfalls of namespaces? How are they solved by modules?
- How can you import all symbols exported by the A module without being forced to prefix the names of all symbols in A with another identifier in the subsequent code (for example, if A contains a Person class, we don't want to write something such as new prefix.Person(...), but we would like to write simply new Person(...))?
- When is module-resolution performed? At compile time? At runtime?
- When and why are non-relative paths needed in import statements?
- What is the main advantage of a dynamic import? When is it needed?
- Is a dynamic import part of the ES6 specifications?
- Can TypeScript's dynamic import be used by a browser that doesn't support JavaScript-native dynamic import? How?
- Do...
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Hands-On TypeScript for C# and .NET Core Developers
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Hands-On TypeScript for C# and .NET Core Developers
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Overview of this book
Writing clean, object-oriented code in JavaScript gets trickier and complex as the size of the project grows. This is where Typescript comes into the picture; it lets you write pure object-oriented code with ease, giving it the upper hand over JavaScript. This book introduces you to basic TypeScript concepts by gradually modifying standard JavaScript code, which makes learning TypeScript easy for C# ASP.NET developers.
As you progress through the chapters, you'll cover object programming concepts, such as classes, interfaces, and generics, and understand how they are related to, and similar in, both ES6 and C#. You will also learn how to use bundlers like WebPack to package your code and other resources. The book explains all concepts using practical examples of ASP.NET Core projects, and reusable TypeScript libraries. Finally, you'll explore the features that TypeScript inherits from either ES6 or C#, or both of them, such as Symbols, Iterables, Promises, and Decorators.
By the end of the book, you'll be able to apply all TypeScript concepts to understand the Angular framework better, and you'll have become comfortable with the way in which modules, components, and services are defined and used in Angular. You'll also have gained a good understanding of all the features included in the Angular/ASP.NET Core Visual Studio project template.
Table of Contents (16 chapters)
Preface
Free Chapter
Introduction to TypeScript
Complex Types and Functions
DOM Manipulation
Using Classes and Interfaces
Generics
Namespaces and Modules
Bundling with WebPack
Building TypeScript Libraries
Decorators and Advanced ES6 Features
Angular ASP.NET Core Project Template
Input and Interactions
Angular Advanced Features
Navigation and Services
Assessments
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