Programming Typescript - Making you Javascript Scaleable

Preface

Sympathizers :

Aficionados:

迷

Wellspring:

intuitive :

Pragmatic:

The structure of the program is more important than the details.

Interoperability:

Ramp-up :

Polymorphism:

Javascript:

• Values:
  • Immutable
  • Strings
  • Numbers
  • Booleans
• References:
  • Often-mutable
  • arrays
  • objects
  • Functions

Chapter 1. Introduction

Typescript is the language that will power the next generation of web apps, mobile apps, NodeJS projects, and Internet of Things devices.

Using types to prevent programs from doing invalid things.

Find out your error before your users do.

Chapter 2. Typescript: A 10_000 Foot View

General compiled languages :

Steps of running a program :

1. Source code (text) is parsed by a special program called a compiler, which transforms it into AST
2. AST is compiled to bytecode
3. Bytecode is evaluated by the runtime

Typescript :

Text — > AST — > JS —> ….

JavaScript runtime that lives in your browser, NodeJS, or whatever JavaScript engine you’re using.

let a: number = 1
let b: string = 'hello'
let c: boolean[] = [true, false]

3 + [1]
// 

console.log("Hello Type Script!")

let a = 1 + 3
let b = a + 3
let c = {
    apple: a,
    banana: b
}
let d = c.apple * 4

Chapter 3. All About Types

Chapter 4. Functions

Chapter 5. Classes and Interfaces

Chapter 6. Advanced Types

Chapter 7. Handling Errors

Chapter 8. Asynchronous Programming

Chapter 9. Frontend and Backend Frameworks

Chapter 10. Namespaces.Modules

Chapter 11. Interoperating with Javascript

Chapter 12. Building and Running Typescript

Chapter 13. Conclusion