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  • Book Overview & Buying Typescript essentials
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Typescript essentials

Typescript essentials

By : Christopher Nance
4 (4)
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Typescript essentials

Typescript essentials

4 (4)
By: Christopher Nance
Buy this Book

Overview of this book

The book introduces the TypeScript language and its features to anyone looking to develop rich web applications. Whether you are new to web development or are an experienced engineer with strong JavaScript skills, this book will get you writing code quickly. A basic understanding of JavaScript and its language features are necessary for this book.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Getting Started with TypeScript
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1. Getting Started with TypeScript
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The advantages of TypeScript
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Setting up the IDE
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Hello World
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Summary
2
2. TypeScript Basics
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2. TypeScript Basics
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Types
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Functions
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Interfaces
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Classes
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Interfaces
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Enums
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Modules
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Generic objects
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Summary
3
3. The TypeScript Compiler
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3. The TypeScript Compiler
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Generation of ECMAScript
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Controlling compiler output
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Advanced options
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Summary
4
4. Object-oriented Programming with TypeScript
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4. Object-oriented Programming with TypeScript
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The basics
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Understanding inheritance
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Encapsulation
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Abstraction
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Polymorphism
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References
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Summary
5
5. Creating a Simple Drawing Application
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5. Creating a Simple Drawing Application
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Setting up the project
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The shapes
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Making the application interactive
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Summary
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6. Declaration Files and Library Integrations
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6. Declaration Files and Library Integrations
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Declaration files
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Third-party library integration
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Summary
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7. Enhancing the Drawing Application
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7. Enhancing the Drawing Application
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Converting to AMD modules
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Binding the user controls
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Generating a single output file
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Styling the application
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Summary
8
8. Debugging TypeScript
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8. Debugging TypeScript
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Debugging
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Test-driven development
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Summary
9
Index
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Index

Summary

In this chapter, we discussed the final pieces of TypeScript development. We discussed source maps and how TypeScript uses them to map output JavaScript files back to the original TypeScript file, allowing us to step through our code before compilation. We looked at the different environments in which we could debug our code, whether it be in the browser or the IDE. Finally, we looked at test-driven development and how it allows us to catch errors and unexpected functionality in a reusable and consistent manner. We discussed a large number of topics in a short period of time:

  • Working with the compiler

  • TypeScript's language constructs

  • Object-oriented development with TypeScript

  • Asynchronous module definitions

  • Integrating with external libraries

  • Test-driven development

We built a drawing application using each of these different topics and refined it as our needs changed and knowledge increased. You are now capable of starting a new application in TypeScript and taking it from initial requirements...

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