Function calculateItemHeight

src/plugins/plugin.legend.js:569–575

(_itemHeight, legendItem, fontLineHeight)

}

function calculateItemHeight(_itemHeight, legendItem, fontLineHeight) {
  let itemHeight = _itemHeight;
  if (typeof legendItem.text !== 'string') {
    itemHeight = calculateLegendItemHeight(legendItem, fontLineHeight);
  }
  return itemHeight;
}

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