By using babel's support for TypeScript, you get the ability to work with existing build pipelines and are more likely to have a faster JS emit time because Babel does not type check your code.
Does TypeScript need Babel?
@SandeepKumar Babel is not required to compile typescript code to javascript. But sometimes you may want to use features that are not yet approved in ES specifications. For example : In ES6 / ES-2015 you cannot define class properties.
What is the difference between TypeScript and Babel?
TypeScript is an open-source pure object-oriented programing language. ... Babel is a free and open-source JavaScript transpiler. It is mainly used to convert ES6 (ECMAScript 2015) or above version code into a backward compatible version (ES5) of JavaScript that can run on any browser.