Function isLoop

src/loop.js:4–11

(array)

import Cmd, { isCmd } from './cmd';

export const isLoop = (array) => {
  return (
    Array.isArray(array) &&
    array.length === 2 &&
    isCmd(array[1]) &&
    !isCmd(array[0])
  );
};

export const getCmd = (loop) => {
  return isLoop(loop) ? loop[1] : null;