Method buildTicks

src/scales/scale.time.js:368–399

* @return {object[]}

()

	 * @return {object[]}
	 */
  buildTicks() {
    const options = this.options;
    const timeOpts = options.time;
    const tickOpts = options.ticks;
    const timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate();

    if (options.bounds === 'ticks' && timestamps.length) {
      this.min = this._userMin || timestamps[0];
      this.max = this._userMax || timestamps[timestamps.length - 1];
    }

    const min = this.min;
    const max = this.max;

    const ticks = _filterBetween(timestamps, min, max);

    // PRIVATE
    // determineUnitForFormatting relies on the number of ticks so we don't use it when
    // autoSkip is enabled because we don't yet know what the final number of ticks will be
    this._unit = timeOpts.unit || (tickOpts.autoSkip
      ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min))
      : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max));
    this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined
      : determineMajorUnit(this._unit);
    this.initOffsets(timestamps);

    if (options.reverse) {
      ticks.reverse();
    }

    return ticksFromTimestamps(this, ticks, this._majorUnit);
  }

  afterAutoSkip() {
    // Offsets for bar charts need to be handled with the auto skipped