const permuteAll = (input) => {
const result = [];
let inputState = input;

if (typeof input === 'string') {
inputState = input.split('');
} else if (typeof input === 'number') {
inputState = (input).toString().split('');
}

const permute = (arr, m = []) => {
if (arr.length === 0) {
result.push(m)
} else {
for (let i = 0; i < arr.length; i++) {
let curr = arr.slice();
let next = curr.splice(i, 1);
permute(curr.slice(), m.concat(next))
}
}
}

permute(inputState);

return (typeof input === 'string')
? result.map(variant => variant.join(''))
: (typeof input === 'number')
? result.map(variant => parseFloat(variant.join('')))
: result;
}
module.exports = permuteAll;