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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
7
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 have covered several ways to improve the way we develop and deploy enterprise-level JavaScript applications. We converted the drawing application to AMD modules to eliminate the need for manually managing how scripts are loaded. We created bindings between our HTML and TypeScript code using Knockout, which allow us to easily extend the behavior of our application with minimal effort. Then, we looked to improve the speed at which our application is available by reducing all of our modules into a single optimized JavaScript file. Finally, we added LESS style sheets that allowed us to create a robust set of styles that could be easily maintained and modified. In the next chapter, we will look at the different methods used to debug TypeScsript as well as how we can provide unit tests for our application.

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