@atlaskit/editor-plugin-selection/dist/es2019/pm-plugins/reducer.js

Selection plugin for @atlaskit/editor-core

import { SelectionActionTypes } from './actions';
export function reducer(pluginState, action) {
  switch (action.type) {
    case SelectionActionTypes.SET_DECORATIONS:
      return {
        ...pluginState,
        decorationSet: action.decorationSet,
        selection: action.selection
      };
    case SelectionActionTypes.SET_RELATIVE_SELECTION:
      return {
        ...pluginState,
        selectionRelativeToNode: action.selectionRelativeToNode
      };
    default:
      return pluginState;
  }
}