Is it possible for me to use ts files just like I use js files in the same manner?

So I recently stumbled upon TypeScript and found it intriguing, especially since I enjoy adding annotations in my code. The only downside is that I would have to change all my .js files to .ts files in order to fully utilize TypeScript's capabilities. I wish I could add annotations to my functions using TypeScript without having to rename my files, but unfortunately, that isn't an option. This leads to my main question: Can I continue writing JavaScript code as usual even after renaming the files with a .ts extension?

Currently, I've started incorporating annotations like

@param{string} argumentExplanation

and I can already see the benefits. However, I want to do more with these annotations to enhance my codebase. My goal is to use these annotations for future documentation purposes in my project.

javascripttypescript

Answer №1

When utilizing Typescript, a local TS server is integrated into the compilation process to check the written code against annotations and identify potential errors during compilation.

Simply changing the names of your files will not activate Typescript; there is a specific configuration process to follow https://www.typescriptlang.org/docs/handbook/tsconfig-json.html

If your project was set up manually or does not have a compilation process (e.g., webpack, vite/rollup), you will need to carefully follow the guidance provided in the link above.

If you initiated the project with a tool like CRA (Create React App), it is recommended to restart the project for Typescript using the tools offered by the vendor usually found on their repository or official documentation website, and then paste in your existing code (which may seem daunting but is actually a quick process compared to the complex configurations required).

Alternatively, if you are finding the concepts of Typescript overwhelming, you can explore JsDoc, which offers some assistance with type annotation without the need to overhaul your entire project.

Ultimately, delving into TypeScript will improve your programming skills and reduce errors, making it a worthwhile endeavor.

Answer №2

A common question is whether all JavaScript code runs within TypeScript. The answer is yes, as TypeScript serves as a superset of JavaScript. However, it may not be the most efficient choice to use TypeScript for writing code similar to JavaScript, but ultimately the decision is up to personal preference.

To avoid the need for typing, you can modify the tsconfig.json file and set strict to false.

By doing so, TypeScript will overlook any typing errors in the code, allowing everything to function nearly identical to JavaScript.

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