Function compare2Level

src/core/core.controller.js:25–31

(l1, l2)

}

function compare2Level(l1, l2) {
  return function(a, b) {
    return a[l1] === b[l1]
      ? a[l2] - b[l2]
      : a[l1] - b[l1];
  };
}

function onAnimationsComplete(context) {
  const chart = context.chart;