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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

Controlling compiler output

The TypeScript compiler has a very robust set of features when it comes to controlling the final results of the compiler. The compiler is built in a scalable manner that allows us to compile multiple source files at once as well as controlling their output directory or path. We will also discuss creating source maps that help us when debugging our applications.

JavaScript output

Up until this point, we have only been working with compiling single TypeScript files at a time. As applications grow in size though, it is very important to separate our code into maintainable segments. When writing code for a C# application, it is common to separate code files by class. JavaScript conventions vary in how code is segmented. If following the module pattern, it is common to place an entire module in a single file; otherwise, code is usually segmented into related blocks as the application requires them. Passing multiple file names separated by spaces will tell the compiler...

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