Function getBoxWidth

static/plugins/chart.js/Chart.js:15243–15247

* Helper function to get the box width based on the usePointStyle option * @param {object} labelopts - the label options on the legend * @param {number} fontSize - the label font size * @return {number} width of the color box area

(labelOpts, fontSize)

 * @return {number} width of the color box area
 */
function getBoxWidth(labelOpts, fontSize) {
	return labelOpts.usePointStyle && labelOpts.boxWidth > fontSize ?
		fontSize :
		labelOpts.boxWidth;
}

/**
 * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required!