TypeScript Quickly

List of Listings

Chapter 1. Getting familiar with TypeScript

Listing 1.1. A main.ts file

Listing 1.2. The resulting main.js file

Listing 1.3. A tsconfig.json file

Listing 1.4. vscode/tsconfig.json

Chapter 2. Basic and custom types

Listing 2.1. Symbols as object properties

Listing 2.2. An arrow function that returns the never type

Listing 2.3. Identifiers with inferred types

Listing 2.4. Calculating tax in JavaScript

Listing 2.5. Calculating tax in TypeScript

Listing 2.6. padLeft with the any type

Listing 2.7. Invoking the padLeft function

Listing 2.8. padLeft with the union type

Listing 2.9. The never type of an impossible value

Listing 2.10. Declaring alias types Foot and Pound

Listing 2.11. Declaring a new type that uses aliases

Listing 2.12. ...