Function _elementsEqual

src/helpers/helpers.core.ts:167–184

(a0: ActiveDataPoint[], a1: ActiveDataPoint[])

 * @private
 */
export function _elementsEqual(a0: ActiveDataPoint[], a1: ActiveDataPoint[]) {
  let i: number, ilen: number, v0: ActiveDataPoint, v1: ActiveDataPoint;

  if (!a0 || !a1 || a0.length !== a1.length) {
    return false;
  }

  for (i = 0, ilen = a0.length; i < ilen; ++i) {
    v0 = a0[i];
    v1 = a1[i];

    if (v0.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) {
      return false;
    }
  }

  return true;
}

/**
 * Returns a deep copy of `source` without keeping references on objects and arrays.