mini Lisp in TypeScript

nukata/lisp-in-typescript: A Common Lisp-like Lisp-1 in TypeScript with TCO and partially hygienic macros @GitHub

This is a Lisp interpreter compatible with lisp-in-dart, lisp-in-cs and lisp-in-go.

another one:

Indy9000/lisper: Lisp Parser Interpreter written in TypeScript @GitHub

test('factorial(5)', () => {

  const t = ParseList(`

    (defn main ()

      (defn factorial (n)

        (if (== n 0)

          1

          (* n (factorial (- n 1)))

        )

      )

      (factorial 5)

    )

  `)

  const actual = Run(t)

  expect(actual.value).toBe(120)

})

TypeScript: Live Coding a Lisp Interpreter from scratch (Part 1) - YouTube