const transpose = matrix => matrix[0].map((col, i) => matrix.map(row => row[i]));

const baseMatrix = [[1, 2], [3, 4], [5, 6]];
const transposedMatrix = transpose(baseMatrix);
// [ [ 1, 3, 5 ], [ 2, 4, 6 ] ]

interface Package {
  id: number;
  activated: boolean;
  name: string;
}

interface ActivatedPackage extends Package {
  activated: true;
}

interface OptionalProps {
  foo: string;
  bar: number
}

const activatedPackages: Array<ActivatedPackage & Partial<OptionalProps>> = [ ... ];

var mixer = mixitup('.menu__list', {
  controls: {
    toggleLogic: 'and',
    toggleDefault: 'none'
  },
  animation: {
    duration: 300
  }
});