jasmine / mocha / jest to tape regex

jasmine-to-tape.sh

#!/bin/sh

transform () {
  sed 's/^describe/test/' \
  | sed "1 i import test from 'tape'" \
  | sed '/\sit/a t\.plan(1)' \
  | sed 's/^\(\s*\)describe/\1t\.test/' \
  | sed 's/\(\s*\)it(/\1t\.test(/' \
  | sed 's/\, function[\s]*()/\, function (t)/' \
  | sed 's/expect(/t.equal(/' \
  | sed 's/)\.toEqual(/, /' \
  | sed 's/)\.toBe(/, /'
}

transform < "$1" | sponge "$1"