Function determineYAlign

src/plugins/plugin.tooltip.js:223–232

(chart, size)

}

function determineYAlign(chart, size) {
  const {y, height} = size;

  if (y < height / 2) {
    return 'top';
  } else if (y > (chart.height - height / 2)) {
    return 'bottom';
  }
  return 'center';
}

function doesNotFitWithAlign(xAlign, chart, options, size) {
  const {x, width} = size;