Transpiler
A transpiler is a type of compiler that translates source code from one programming language to another at a similar level of abstraction, often used to convert modern or experimental code into versions compatible with older environments or different platforms. It enables developers to write code in languages like TypeScript, CoffeeScript, or ES6+ JavaScript and transform it into standard JavaScript that runs in browsers or Node.js. This process helps bridge compatibility gaps and allows the use of advanced features without waiting for native support.
Developers should learn and use transpilers when working with languages that require conversion to run in target environments, such as using TypeScript for type safety in web development or Babel for adopting the latest JavaScript features in older browsers. They are essential for projects that need cross-platform compatibility, code optimization, or integration of experimental syntax, as transpilers ensure code runs reliably across different systems while maintaining developer productivity with modern tools.