Method getMaxOverflow

src/controllers/controller.scatter.js:156–178

* @protected

()

	 * @protected
	 */
  getMaxOverflow() {
    const meta = this._cachedMeta;
    const data = meta.data || [];

    if (!this.options.showLine) {
      let max = 0;
      for (let i = data.length - 1; i >= 0; --i) {
        max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2);
      }
      return max > 0 && max;
    }

    const dataset = meta.dataset;
    const border = dataset.options && dataset.options.borderWidth || 0;

    if (!data.length) {
      return border;
    }

    const firstPoint = data[0].size(this.resolveDataElementOptions(0));
    const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1));
    return Math.max(border, firstPoint, lastPoint) / 2;
  }
}