@wordpress/nux/build-module/store/reducer.js

NUX (New User eXperience) module for WordPress.

/**
 * WordPress dependencies
 */
import { combineReducers } from '@wordpress/data';

/**
 * Reducer that tracks which tips are in a guide. Each guide is represented by
 * an array which contains the tip identifiers contained within that guide.
 *
 * @param {Array}  state  Current state.
 * @param {Object} action Dispatched action.
 *
 * @return {Array} Updated state.
 */
export function guides(state = [], action) {
  switch (action.type) {
    case 'TRIGGER_GUIDE':
      return [...state, action.tipIds];
  }
  return state;
}

/**
 * Reducer that tracks whether or not tips are globally enabled.
 *
 * @param {boolean} state  Current state.
 * @param {Object}  action Dispatched action.
 *
 * @return {boolean} Updated state.
 */
export function areTipsEnabled(state = true, action) {
  switch (action.type) {
    case 'DISABLE_TIPS':
      return false;
    case 'ENABLE_TIPS':
      return true;
  }
  return state;
}

/**
 * Reducer that tracks which tips have been dismissed. If the state object
 * contains a tip identifier, then that tip is dismissed.
 *
 * @param {Object} state  Current state.
 * @param {Object} action Dispatched action.
 *
 * @return {Object} Updated state.
 */
export function dismissedTips(state = {}, action) {
  switch (action.type) {
    case 'DISMISS_TIP':
      return {
        ...state,
        [action.id]: true
      };
    case 'ENABLE_TIPS':
      return {};
  }
  return state;
}
const preferences = combineReducers({
  areTipsEnabled,
  dismissedTips
});
export default combineReducers({
  guides,
  preferences
});
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