Uglify First install Uglify. Since the point of Uglify is to mangle your code, we also need to install vinyl-buffer and gulp-sourcemaps to keep

Identifying Kinds of Libraries First, we’ll review the kinds of libraries TypeScript declaration files can represent. We’ll briefly show how

Symbol.unscopables An Object whose own property names are property names that are excluded from the ‘with’ environment bindings

// Type definitions for [~THE LIBRARY NAME~] [~OPTIONAL VERSION NUMBER~] // Project: [~THE PROJECT NAME~] // Definitions by: [~YOUR

Decorator Evaluation There is a well defined order to how decorators applied to various declarations inside of a class are applied:

Create a webpack configuration file Create a webpack.config.js file at the root of the project directory.

Publicize your declaration file After publishing your declaration file with your package, make sure to add a reference to it in the

Readonly modifier You can make properties readonly by using the readonly keyword. Readonly properties must be initialized at their

Decorator Factories If we want to customize how a decorator is applied to a declaration, we can write a decorator factory. A Decorator Factory

Typing the function Let’s add types to our simple examples from earlier: function