@wordpress/edit-post/build-module/store/reducer.js

Edit Post module for WordPress.

/**
 * External dependencies
 */
import { flow, get, includes, omit, union, without } from 'lodash';
/**
 * WordPress dependencies
 */

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

import { PREFERENCES_DEFAULTS } from './defaults';
/**
 * Higher-order reducer creator which provides the given initial state for the
 * original reducer.
 *
 * @param {*} initialState Initial state to provide to reducer.
 *
 * @return {Function} Higher-order reducer.
 */

const createWithInitialState = initialState => reducer => {
  return (state = initialState, action) => reducer(state, action);
};
/**
 * Reducer returning the user preferences.
 *
 * @param {Object}  state                           Current state.
 * @param {string}  state.mode                      Current editor mode, either
 *                                                  "visual" or "text".
 * @param {boolean} state.isGeneralSidebarDismissed Whether general sidebar is
 *                                                  dismissed. False by default
 *                                                  or when closing general
 *                                                  sidebar, true when opening
 *                                                  sidebar.
 * @param {boolean} state.isSidebarOpened           Whether the sidebar is
 *                                                  opened or closed.
 * @param {Object}  state.panels                    The state of the different
 *                                                  sidebar panels.
 * @param {Object}  action                          Dispatched action.
 *
 * @return {Object} Updated state.
 */


export const preferences = flow([combineReducers, createWithInitialState(PREFERENCES_DEFAULTS)])({
  panels(state, action) {
    switch (action.type) {
      case 'TOGGLE_PANEL_ENABLED':
        {
          const {
            panelName
          } = action;
          return { ...state,
            [panelName]: { ...state[panelName],
              enabled: !get(state, [panelName, 'enabled'], true)
            }
          };
        }

      case 'TOGGLE_PANEL_OPENED':
        {
          const {
            panelName
          } = action;
          const isOpen = state[panelName] === true || get(state, [panelName, 'opened'], false);
          return { ...state,
            [panelName]: { ...state[panelName],
              opened: !isOpen
            }
          };
        }
    }

    return state;
  },

  features(state, action) {
    if (action.type === 'TOGGLE_FEATURE') {
      return { ...state,
        [action.feature]: !state[action.feature]
      };
    }

    return state;
  },

  editorMode(state, action) {
    if (action.type === 'SWITCH_MODE') {
      return action.mode;
    }

    return state;
  },

  hiddenBlockTypes(state, action) {
    switch (action.type) {
      case 'SHOW_BLOCK_TYPES':
        return without(state, ...action.blockNames);

      case 'HIDE_BLOCK_TYPES':
        return union(state, action.blockNames);
    }

    return state;
  },

  preferredStyleVariations(state, action) {
    switch (action.type) {
      case 'UPDATE_PREFERRED_STYLE_VARIATIONS':
        {
          if (!action.blockName) {
            return state;
          }

          if (!action.blockStyle) {
            return omit(state, [action.blockName]);
          }

          return { ...state,
            [action.blockName]: action.blockStyle
          };
        }
    }

    return state;
  },

  localAutosaveInterval(state, action) {
    switch (action.type) {
      case 'UPDATE_LOCAL_AUTOSAVE_INTERVAL':
        return action.interval;
    }

    return state;
  }

});
/**
 * Reducer storing the list of all programmatically removed panels.
 *
 * @param {Array}  state  Current state.
 * @param {Object} action Action object.
 *
 * @return {Array} Updated state.
 */

export function removedPanels(state = [], action) {
  switch (action.type) {
    case 'REMOVE_PANEL':
      if (!includes(state, action.panelName)) {
        return [...state, action.panelName];
      }

  }

  return state;
}
/**
 * Reducer for storing the name of the open modal, or null if no modal is open.
 *
 * @param {Object} state  Previous state.
 * @param {Object} action Action object containing the `name` of the modal
 *
 * @return {Object} Updated state
 */

export function activeModal(state = null, action) {
  switch (action.type) {
    case 'OPEN_MODAL':
      return action.name;

    case 'CLOSE_MODAL':
      return null;
  }

  return state;
}
export function publishSidebarActive(state = false, action) {
  switch (action.type) {
    case 'OPEN_PUBLISH_SIDEBAR':
      return true;

    case 'CLOSE_PUBLISH_SIDEBAR':
      return false;

    case 'TOGGLE_PUBLISH_SIDEBAR':
      return !state;
  }

  return state;
}
/**
 * Reducer keeping track of the meta boxes isSaving state.
 * A "true" value means the meta boxes saving request is in-flight.
 *
 *
 * @param {boolean}  state   Previous state.
 * @param {Object}   action  Action Object.
 *
 * @return {Object} Updated state.
 */

export function isSavingMetaBoxes(state = false, action) {
  switch (action.type) {
    case 'REQUEST_META_BOX_UPDATES':
      return true;

    case 'META_BOX_UPDATES_SUCCESS':
      return false;

    default:
      return state;
  }
}
/**
 * Reducer keeping track of the meta boxes per location.
 *
 * @param {boolean}  state   Previous state.
 * @param {Object}   action  Action Object.
 *
 * @return {Object} Updated state.
 */

export function metaBoxLocations(state = {}, action) {
  switch (action.type) {
    case 'SET_META_BOXES_PER_LOCATIONS':
      return action.metaBoxesPerLocation;
  }

  return state;
}
/**
 * Reducer returning the editing canvas device type.
 *
 * @param {Object} state  Current state.
 * @param {Object} action Dispatched action.
 *
 * @return {Object} Updated state.
 */

export function deviceType(state = 'Desktop', action) {
  switch (action.type) {
    case 'SET_PREVIEW_DEVICE_TYPE':
      return action.deviceType;
  }

  return state;
}
/**
 * Reducer tracking whether the inserter is open.
 *
 * @param {boolean|Object} state
 * @param {Object}         action
 */

function blockInserterPanel(state = false, action) {
  switch (action.type) {
    case 'SET_IS_INSERTER_OPENED':
      return action.value;
  }

  return state;
}
/**
 * Reducer tracking whether the inserter is open.
 *
 * @param {boolean} state
 * @param {Object}  action
 */


function isEditingTemplate(state = false, action) {
  switch (action.type) {
    case 'SET_IS_EDITING_TEMPLATE':
      return action.value;
  }

  return state;
}

const metaBoxes = combineReducers({
  isSaving: isSavingMetaBoxes,
  locations: metaBoxLocations
});
export default combineReducers({
  activeModal,
  metaBoxes,
  preferences,
  publishSidebarActive,
  removedPanels,
  deviceType,
  blockInserterPanel,
  isEditingTemplate
});
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