Got it

: It may be a specific source code file created by a developer using the handle "Beuska97." In programming, filename.ts is the standard format for TypeScript files, which are used to build scalable web applications.

: "Beuska97" appears to be a username. It is common for developers to name files or repositories after their online handles when creating personal utility scripts or configuration files.

: You will need Node.js and a code editor like Visual Studio Code . You can run the file using a tool like ts-node or compile it to JavaScript using tsc .