faker 실행이 안됩니다.

terminal에서 npm i faker 설치하고 post.js 상단에 import 해주었는데 계속 오류메시지가 떠서요,, 어떻게 해결할수 있을까요?
reducers > post.js
import shortId from 'shortid';
import produce from 'immer';
import faker from 'faker';

export const initialState = {
  mainPosts: [{
    id: 1,
    User: {
      id: 1,
      nickname: '레니',
    },
    content: '첫 번째 게시글 #해시태그 #익스프레스',
    Images: [{
      id: shortId.generate(),
      src: 'https://cdn.pixabay.com/photo/2022/02/01/11/48/woman-6986050_960_720.jpg',
    }, {
      id: shortId.generate(),
      src: 'https://cdn.pixabay.com/photo/2019/03/27/15/24/animal-4085255__340.jpg',
    }, {
      id: shortId.generate(),
      src: 'https://cdn.pixabay.com/photo/2022/02/09/20/52/labrador-retriever-7004193__340.jpg',
    }],
    Comments: [{
      id: shortId.generate(),
      User: {
        id: shortId.generate(),
        nickname: 'nero',
      },
      content: '너무 반가워요!',
    }, {
      id: shortId.generate(),
      User: {
        id: shortId.generate(),
        nickname: 'hero',
      },
      content: '유익한 내용입니다',
    }]
  }],
  mainPosts: [],
  imagePaths: [],
  hasMorePosts: true,
  loadPostsLoading: false,
  loadPostsDone: false,
  loadPostsError: null,
  addPostLoading: false,
  addPostDone: false,
  addPostError: null,
  removePostLoading: false,
  removePostDone: false,
  removePostError: null,
  addCommentLoading: false,
  addCommentDone: false,
  addCommentError: null,
};

initialState.mainPosts = initialState.mainPosts.concat(
  Array(20).fill().map(() => ({
    id: shortId.generate(),
    User: {
      id: shortId.generate(),
      name: faker.name.findName()
    },
    content: faker.lorem.paragraph(),
    Images: [{
      src: faker.image.imageUrl(),
    }],
    Comments: [{
      User: {
        id: shortId.generate(),
        nickname: faker.name.findName()
      },
      content: faker.lorem.sentence(),
    }],
  })),
);

export const LOAD_POSTS_REQUEST = 'LOAD_POSTS_REQUEST';
export const LOAD_POSTS_SUCCESS = 'LOAD_POSTS_SUCCESS';
export const LOAD_POSTS_FAILURE = 'LOAD_POSTS_FAILURE';

export const ADD_POST_REQUEST = 'ADD_POST_REQUEST';
export const ADD_POST_SUCCESS = 'ADD_POST_SUCCESS';
export const ADD_POST_FAILURE = 'ADD_POST_FAILURE';

export const REMOVE_POST_REQUEST = 'REMOVE_POST_REQUEST';
export const REMOVE_POST_SUCCESS = 'REMOVE_POST_SUCCESS';
export const REMOVE_POST_FAILURE = 'REMOVE_POST_FAILURE';

export const ADD_COMMENT_REQUEST = 'ADD_COMMENT_REQUEST';
export const ADD_COMMENT_SUCCESS = 'ADD_COMMENT_SUCCESS';
export const ADD_COMMENT_FAILURE = 'ADD_COMMENT_FAILURE';

export const addPost = (data) => ({          // 동적액션크리에이터 
  type: ADD_POST_REQUEST,
  data,
})

export const addComment = (data) => ({
  type: ADD_COMMENT_REQUEST,
  data,
})

const dummyPost = (data) => ({
  id: data.id,
  content: data.content,
  User: {
    id: 1,
    nickname: '레니',
  },
  Images: [],
  Comments: [],
});

const dummyComment = (data) => ({
  id: shortId.generate(),
  content: data,
  User: {
    id: 1,
    nickname: '레니',
  },
});

// 리듀서 : 이전상태를 액션을 통해 다음 상태로 만들어내는 함수( 불변성은 지키면서 )
const reducer = (state = initialState, action) => produce(state, (draft) => {
    switch (action.type) {
      case ADD_POST_REQUEST:
        draft.addPostLoading = true;
        draft.addPostDone = false;
        draft.addPostError = null;
        break;
      case ADD_POST_SUCCESS:
        draft.addPostLoading = false;
        draft.addPostDone = true;
        draft.mainPosts = unshift(dummyPost(action.data));
        break;
      case ADD_POST_FAILURE:
        draft.addPostLoading = false;
        draft.addPostError = action.error;
        break;
      case REMOVE_POST_REQUEST:
        draft.removePostLoading = true;
        draft.removePostDone = false;
        draft.removePostError = null;
        break;
      case REMOVE_POST_SUCCESS:
        draft.removePostLoading = false;
        draft.removePostDone = true;
        draft.mainPosts = draft.mainPosts.filter((v) => v.id !== action.data);
        break;
      case REMOVE_POST_FAILURE:
        draft.removePostLoading = false;
        draft.removePostError = action.error;
        break;
      case ADD_COMMENT_REQUEST:
        draft.addCommentLoading = true;
        draft.addCommentDone = false;
        draft.addCommentError = null;
        break;
      case ADD_COMMENT_SUCCESS: {
        const post = draft.mainPosts.find((v) => v.id === action.data.postId);
        post.Comments.unshift(dummyComment(action.data.content));
        draft.addCommentLoading = false;
        draft.addCommentDone = true;
        break;
        // const postIndex = state.mainPosts.findIndex((v) => v.id === action.data.postId);
        // const post = { ...state.mainPosts[postIndex] };
        // post.Comments = [dummyComment(action.data.content), ...post.Comments];
        // const mainPosts = [ ... state.mainPosts];
        // mainPosts[postIndex] = post;
        // return {
        //   ...state,
        //   addCommentLoading: false,
        //   addCommentDone: true,
        // };
      }
      case ADD_COMMENT_FAILURE:
        draft.addCommentLoading = false;
        draft.addCommentError = action.error;
        break;
      default:
        break;
    }
  });

export default reducer;
인프런 커뮤니티 질문&답변
