TypeScript Configuration

TypeScript Configuration

TypeScript is a primary language for Angular application development. It is a superset of JavaScript with design-time support for type safety and tooling.

Browsers can't execute TypeScript directly. Typescript must be "transpiled" into JavaScript using the tsc compiler, which requires some configuration.

This page covers some aspects of TypeScript configuration and the TypeScript environment that are important to Angular developers, including details about the following files:

• tsconfig.json—TypeScript compiler configuration.
• typings—TypesScript declaration files.

tsconfig.json

Typically, you add a TypeScript configuration file called tsconfig.json to your project to guide the com