Function overrideCallbacks

src/plugins/plugin.tooltip.js:356–359

(callbacks, context)

}

function overrideCallbacks(callbacks, context) {
  const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks;
  return override ? callbacks.override(override) : callbacks;
}

const defaultCallbacks = {
  // Args are: (tooltipItems, data)