Typescript, both front and back end with SvelteKit. There are silly foot guns in JavaScript and I wish the language was designed better, but aside from that the

Typescript, both front and back end with SvelteKit. There are silly foot guns in JavaScript and I wish the language was designed better, but aside from that there’s huge benefit to doing everything in one language and not having to context switch. My validation logic and data types are identical across front and back end, that’s hard to beat for me. I’m building a traditional business ERP and Node is plenty fast for that.