@react-ui-org/react-ui/src/components/Button/helpers/getRootPriorityClassName.js

React UI is a themeable UI library for React apps.

export default (priority, styles) => {
  if (priority === 'filled') {
    return styles.isRootPriorityFilled;
  }

  if (priority === 'outline') {
    return styles.isRootPriorityOutline;
  }

  if (priority === 'flat') {
    return styles.isRootPriorityFlat;
  }

  return null;
};