Method _getRingWeight

src/controllers/controller.doughnut.js:388–390

* @private

(datasetIndex)

	 * @private
	 */
  _getRingWeight(datasetIndex) {
    return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0);
  }

  /**
	 * Returns the sum of all visible data set weights.