Method getTitle

src/plugins/plugin.tooltip.js:533–546

(context, options)

  }

  getTitle(context, options) {
    const {callbacks} = options;

    const beforeTitle = invokeCallbackWithFallback(callbacks, 'beforeTitle', this, context);
    const title = invokeCallbackWithFallback(callbacks, 'title', this, context);
    const afterTitle = invokeCallbackWithFallback(callbacks, 'afterTitle', this, context);

    let lines = [];
    lines = pushOrConcat(lines, splitNewlines(beforeTitle));
    lines = pushOrConcat(lines, splitNewlines(title));
    lines = pushOrConcat(lines, splitNewlines(afterTitle));

    return lines;
  }

  getBeforeBody(tooltipItems, options) {
    return getBeforeAfterBodyLines(