/*
// You might know some pretty large perfect squares. But what about the NEXT one?
// Complete the findNextSquare method that finds the next integral perfect square
after the one passed as a parameter. Recall that an integral perfect square is an
integer n such that sqrt(n) is also an integer.
*/
function findNextSquare(sq) {
// Return the next square if sq is a perfect square, -1 otherwise
let squareRoot = Math.sqrt(sq);
const isDecimal = squareRoot - Math.floor(squareRoot) !== 0;
return isDecimal ? -1 : (squareRoot + 1) ** 2
}
// With love @kouqhar