Function setMajorTicks

src/scales/scale.time.js:156–169

* @param {TimeScale} scale * @param {object[]} ticks * @param {object} map * @param {Unit} majorUnit * @return {object[]}

(scale, ticks, map, majorUnit)

 * @return {object[]}
 */
function setMajorTicks(scale, ticks, map, majorUnit) {
  const adapter = scale._adapter;
  const first = +adapter.startOf(ticks[0].value, majorUnit);
  const last = ticks[ticks.length - 1].value;
  let major, index;

  for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) {
    index = map[major];
    if (index >= 0) {
      ticks[index].major = true;
    }
  }
  return ticks;
}

/**
 * @param {TimeScale} scale