Method getLabelAndValue

src/controllers/controller.bubble.js:96–109

* @protected

(index)

	 * @protected
	 */
  getLabelAndValue(index) {
    const meta = this._cachedMeta;
    const labels = this.chart.data.labels || [];
    const {xScale, yScale} = meta;
    const parsed = this.getParsed(index);
    const x = xScale.getLabelForValue(parsed.x);
    const y = yScale.getLabelForValue(parsed.y);
    const r = parsed._custom;

    return {
      label: labels[index] || class="st">'',
      value: class="st">'(' + x + class="st">', ' + y + (r ? class="st">', ' + r : class="st">'') + class="st">')'
    };
  }

  update(mode) {
    const points = this._cachedMeta.data;