import type { Assert } from './prelude.js'

const rethrow: <T>(a: Assert<T>, message: string) => Assert<T> =
  (a, message) =>
    value => {
      try {
        return a(value)
      } catch (err: unknown) {
        if (err instanceof Error) {
          err.message = `${message} ${err.message}`
        }
        throw err
      }
    }

export default rethrow