Function calculateLegendItemHeight

src/plugins/plugin.legend.js:577–580

(legendItem, fontLineHeight)

}

function calculateLegendItemHeight(legendItem, fontLineHeight) {
  const labelHeight = legendItem.text ? legendItem.text.length : 0;
  return fontLineHeight * labelHeight;
}

function isListened(type, opts) {
  if ((type === 'mousemove' || type === 'mouseout') && (opts.onHover || opts.onLeave)) {