export default function()

in src/state/reducers/playback.ts [16:46]

• 30 lines of code
• 7 McCabe index (conditional complexity)

export default function (config: IConfiguration<any>) {
  return function reduce(state = INITIAL_STATE, action) {
    let result = state;
    if (action.type === START_PLAYBACK) {
      const { initialDepth } = action.payload;
      result = {
        ...state,
        isPlayingBack: true,
        bookmark: 0,
        depth: initialDepth,
      };
    } else if (action.type === STOP_PLAYBACK) {
      result = INITIAL_STATE;
    } else if (action.type === SELECT_BOOKMARK_DEPTH) {
      const { depth, bookmarkIndex } = action.payload;
      result = {
        ...state,
        bookmark: bookmarkIndex === undefined ? state.bookmark : bookmarkIndex,
        depth,
      };
    } else if (action.type.indexOf('DAG_HISTORY_') !== 0 && config.actionFilter(action.type)) {
      // Insertable actions clear the pinned state
      result = {
        ...state,
        bookmark: undefined,
        depth: undefined,
      };
    }
    return result;
  };
}