Method getMinMax

src/controllers/controller.polarArea.js:121–140

* @protected

()

   * @protected
   */
  getMinMax() {
    const meta = this._cachedMeta;
    const range = {min: Number.POSITIVE_INFINITY, max: Number.NEGATIVE_INFINITY};

    meta.data.forEach((element, index) => {
      const parsed = this.getParsed(index).r;

      if (!isNaN(parsed) && this.chart.getDataVisibility(index)) {
        if (parsed < range.min) {
          range.min = parsed;
        }

        if (parsed > range.max) {
          range.max = parsed;
        }
      }
    });

    return range;
  }

  /**
	 * @private