redux-devtools/packages/devui/.storybook/themeAddon/constant.js

export const ADDON_ID = 'redux-devtools-themes-storybook';
export const PANEL_ID = `${ADDON_ID}/panel`;
export const EVENT_ID_DATA = `${ADDON_ID}/event/data`;
export const CSS_CLASS = 'redux-devtools-storybook';
export const DEFAULT_THEME_STATE = {
  theme: 'default',
  scheme: 'default',
  light: true
};