static-cms/src/actions/editor.js

import history from '../routing/history';

export const SWITCH_VISUAL_MODE = 'SWITCH_VISUAL_MODE';

export function switchVisualMode(useVisualMode) {
  return {
    type: SWITCH_VISUAL_MODE,
    payload: useVisualMode,
  };
}

export function cancelEdit() {
  return () => {
    history.goBack();
  };
}