TypeScript underscore.pluck函數代碼示例

        unsubscribe = store.subscribe(() => {
            expect(store.getState().status).toBe(GameStatus.VOTE_MAFIA);
            expect(store.getState().active_roles).toEqual([Roles.MAFIA]);
            expect(store.getState().vote_variants).toEqual(_.pluck(store.getState().players.filter(player => player.role !== Roles.MAFIA), 'token'));
            expect(store.getState().votes).toEqual(_.pluck(store.getState().players.filter(player => player.role === Roles.MAFIA), 'token').map(token => ({who_token: token})));

            // Отписываемся т. к. store общий для всех тестов
            unsubscribe();
            done();
        });

 it('when calling getAvailableValues returns children of the last parent', () => {
   Simulate.query(test.env, simulateQueryData);
   const values: string[] = pluck(test.cmp.getAvailableValues(), 'value');
   for (let i = 0; i < simulateQueryData.results.categoryFacets[0].values.length - 1; i++) {
     expect(values[i]).toEqual(`value${i}`);
   }
 });

export default function GameReducer (state: GameState = InitialGameState, action: IGameAction): GameState {
    switch(action.type) {
        case GameAction.CREATE_GAME:
            return getNewState(InitialGameState, ['time_create', 'time_last_update', 'time_last_update_players'], {
                status: GameStatus.START_THE_GAME,
                players: action.payload.players
            });

        case GameAction.NEXT_GAME_STEP:
            return  GameStatusReducer(state, action);

        case GameAction.VOTE:
            // Если токен который голосует отсутствует в коллекции голосующих ничего не делаем
            if(state.votes.length && !~_.pluck(state.votes, 'who_token').indexOf(action.payload.who_token)) {
                return state;
            }

            return getNewState(state, [], {
                votes: state.votes.map((vote: VoteObject) => {
                    return action.payload.who_token === vote.who_token ? _.extend({for_whom_token: action.payload.for_whom_token}, vote) : vote;
                })
            });

        default:
            return state;
    }
}

        it(`тест с числом игроков равным ${count_players}`, () => {
            // Создаем массив с игроками
            players = Array.apply(null, {length: count_players}).map(() => getPlayer());

            // Отправляем в тестируемую функцию
            game_players = Player.RolesForPlayers(players);

            // По приходу из коллекции игроков, забираем у каждого его роль и суем в массив
            roles_array = _.pluck(game_players, 'role');

            // Затем считаем, сколько пришлось игроков на каждую роль
            count_roles = _.countBy(roles_array, _.identity);

            // Поскольку данные персонажи есть не всегда, надо явно проставить ноль для сравнения
            count_roles[Roles.COMMISSAR] = count_roles[Roles.COMMISSAR] || 0;
            count_roles[Roles.WHORE] = count_roles[Roles.WHORE] || 0;

            mafia_count = Math.floor((count_players - MIN_PLAYERS) / STEP_CHANGE_ROLES) + 1;
            doctor_count = 1;
            whore_count = 1;
            commissar_count = count_players >= MIN_PLAYERS + STEP_CHANGE_ROLES ? 1 : 0;

            expect(count_roles[Roles.MAFIA]).toBe(mafia_count);
            expect(count_roles[Roles.DOCTOR]).toBe(doctor_count);
            expect(count_roles[Roles.COMMISSAR]).toBe(commissar_count);
            expect(count_roles[Roles.WHORE]).toBe(whore_count);
            expect(count_roles[Roles.INHABITANT]).toBe(count_players - mafia_count - doctor_count - commissar_count - whore_count);
        });

 client.on(messages.FetchProfileCollectionsYield, async ({ items }) => {
   this.push({
     collections: {
       set: indexBy(items, "id"),
       ids: pluck(items, "id"),
     },
   });
 });

export function mergeUsers(current: ISearchResults, users: User[]) {
  return mergeSearchResults(current, {
    users: {
      ids: pluck(users, "id"),
      set: indexBy(users, "id"),
    },
  });
}

export function mergeGames(current: ISearchResults, games: Game[]) {
  return mergeSearchResults(current, {
    games: {
      ids: pluck(games, "id"),
      set: indexBy(games, "id"),
    },
  });
}

function getMaxTransactionDepth(sindex:SindexShortEntry[]) {
  const ids = _.uniq(_.pluck(sindex, 'tx'))
  let maxTxChainingDepth = 0
  for (let id of ids) {
    maxTxChainingDepth = Math.max(maxTxChainingDepth, getTransactionDepth(id, sindex, 0))
  }
  return maxTxChainingDepth
}

  public sortFacetValues(hierarchyFacetValues = this.hierarchyFacetValues): FacetValue[] {
    if (!this.facet.shouldReshuffleFacetValuesClientSide) {
      let sortArray = _.map(hierarchyFacetValues, (hierarchy: FacetValue, idx: number) => {
        return {
          hierarchy: hierarchy,
          idx: idx
        };
      });

      // If we exclude the top level, the alpha order is not respected (since it is done by the index, and the first level is omitted by client side code).
      // Do the ordering client side, in the precise case where its alpha ordering and the starting level is not 0;
      if (
        this.facet.options.levelStart != 0 &&
        this.facet.options.sortCriteria &&
        this.facet.options.sortCriteria.toLowerCase().indexOf('alpha') != -1
      ) {
        let reversed = this.facet.options.sortCriteria.toLowerCase().indexOf('descending') != -1;

        sortArray = sortArray.sort((first, second) => {
          let firstInTopLevel =
            _.find(this.facet.topLevelHierarchy, (hierarchy: IValueHierarchy) => {
              return hierarchy.facetValue.value.toLowerCase() == first.hierarchy.value.toLowerCase();
            }) != null;

          let secondInTopLevel =
            _.find(this.facet.topLevelHierarchy, (hierarchy: IValueHierarchy) => {
              return hierarchy.facetValue.value.toLowerCase() == first.hierarchy.value.toLowerCase();
            }) != null;

          if (firstInTopLevel && secondInTopLevel) {
            let firstValue = this.facet.getValueCaption(first.hierarchy);
            let secondValue = this.facet.getValueCaption(second.hierarchy);
            let compared = firstValue.localeCompare(secondValue);
            return reversed ? -1 * compared : compared;
          }
          return first.idx - second.idx;
        });
      }

      // Normally facet values are sorted by selected first, then inactive, then excluded values.
      // For hierarchical, we want selected first, then those that have childs selected, then normal sorting.
      sortArray = sortArray.sort((first, second) => {
        if (first.hierarchy.selected === second.hierarchy.selected) {
          let firstFromHierarchy = this.facet.getValueFromHierarchy(first.hierarchy);
          let secondFromHierarchy = this.facet.getValueFromHierarchy(second.hierarchy);
          if (firstFromHierarchy.hasChildSelected === secondFromHierarchy.hasChildSelected) {
            return first.idx - second.idx;
          } else {
            return firstFromHierarchy.hasChildSelected ? -1 : 1;
          }
        } else {
          return first.hierarchy.selected ? -1 : 1;
        }
      });
      return _.pluck(sortArray, 'hierarchy');
    }
    return hierarchyFacetValues;
  }