src/scales/scale.category.js
function() {
		var data = this.chart.data;
		return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels;
	}
function() {
		var data = this.chart.data;
		return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels;
	}
function ( ) { var data = this . chart . data ; return this . options . labels || ( this . isHorizontal ( ) ? data . xLabels : data . yLabels ) || data . labels ; }
Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those
else fall back to data.labels
@private
Internal function to get the correct labels . If data . xLabels or data . yLabels are defined use those else fall back to data . labels