Method getFooter

src/plugins/plugin.tooltip.js:582–595

(tooltipItems, options)

  // Get the footer and beforeFooter and afterFooter lines
  getFooter(tooltipItems, options) {
    const {callbacks} = options;

    const beforeFooter = invokeCallbackWithFallback(callbacks, 'beforeFooter', this, tooltipItems);
    const footer = invokeCallbackWithFallback(callbacks, 'footer', this, tooltipItems);
    const afterFooter = invokeCallbackWithFallback(callbacks, 'afterFooter', this, tooltipItems);

    let lines = [];
    lines = pushOrConcat(lines, splitNewlines(beforeFooter));
    lines = pushOrConcat(lines, splitNewlines(footer));
    lines = pushOrConcat(lines, splitNewlines(afterFooter));

    return lines;
  }

  /**
	 * @private