What is @babel/plugin-transform-typescript?
The @babel/plugin-transform-typescript package is a Babel plugin that allows Babel to parse and transform TypeScript code into JavaScript. It strips out type annotations and compiles the code down to a version of JavaScript that can run in current and older browsers or environments.
What are @babel/plugin-transform-typescript's main functionalities?
TypeScript Syntax Transformation
Transforms TypeScript syntax by removing type annotations to produce valid JavaScript code. The code sample shows a TypeScript variable with a type annotation that would be stripped out.
const x: number = 10;
TypeScript Namespaces
Handles TypeScript namespaces and transforms them into a format that can be understood by JavaScript environments. The code sample demonstrates a namespace declaration that would be transformed.
namespace MyNamespace { export const x: number = 10; }
Enums
Compiles TypeScript enums into objects that preserve the enum semantics in JavaScript. The code sample shows an enum that would be converted into a JavaScript object.
enum Directions { Up, Down, Left, Right }
Other packages similar to @babel/plugin-transform-typescript
typescript
The official TypeScript compiler that converts TypeScript code to JavaScript. It provides type checking along with the transformation, which @babel/plugin-transform-typescript does not do.
ts-loader
A TypeScript loader for webpack. It works in conjunction with the TypeScript compiler to transpile TypeScript files in webpack builds, similar to how @babel/plugin-transform-typescript works with Babel.
awesome-typescript-loader
Another TypeScript loader for webpack that aims to be faster than ts-loader. It also provides Babel-like transformation of TypeScript code but is specifically designed for webpack's module bundling.