What you'll learn

In this course, TypeScript Deep Dive: Creating a Type Declaration File, you'll learn how to create declaration files which provide type information when using JavaScript libraries.

First, you'll learn exactly what declaration files are for and see how they can be generated automatically by the compiler, as well as how they can be enhanced with JSDoc. Next, you'll discover how to create declaration files manually for all of the most common kinds of libraries like those based on browser globals, or those based on modules. Finally, you'll see how you can publish declaration files to the public DefinitelyTyped repository to share your declaration files with the world.

When you're finished with this course, you'll have the skills and knowledge to use create declaration files for any kind of library that you might want to use in your next project.