更强大的React 状态管理库Zustand使用详解

npx create-react-app github-user-search --template typescript

cd github-user-search

npm i zustand @chakra-ui/react @emotion/react @emotion/styled react-icons react-router-dom axios framer-motion pluralize query-string react-helmet-async react-hook-form react-paginate 

src
├── index.tsx
├── assets
├── container
├── components
├── pages
├── routes
├── services
├── store
└── theme

REACT_APP_GITHUB_API_URL=https://api.github.com

import axios from 'axios';
import qs from 'query-string';
const github = axios.create({
    baseURL: process.env.REACT_APP_GITHUB_API_URL,
});
interface IGet {
    url: string;
    query?: Record<string, any>;
}
const get = async <T>({ url, query = {} }: IGet): Promise<T> => {
    const queryString = `?${qs.stringify(query)}`;
    const response = await github.get(`${url + queryString}`);
    return response.data;
};
const methods = { get };
export default methods;

import create from 'zustand';
import { stringify } from 'query-string';
import { persist } from 'zustand/middleware';
import methods from 'services/github';
import { IUserDetails, ISearchResonse, IGithubStore } from 'stores/types';
export const githubStore = create(
  persist<IGithubStore>(
    (set, get) => ({
      isLoading: false,
      cached_users_details: [], // to cache users details
      query: { page: 1, per_page: 20 },
      search: async (query) => {
        try {
          set(() => ({ isLoading: true }));
          window.history.pushState('', '', `?${stringify(query)}`);
          const data = await methods.get<ISearchResonse>({
            url: '/search/users',
            query,
          });
          set(() => ({ data, query, isLoading: false }));
        } catch (err: any) {
          const error =
            err?.message || err?.data?.message || 'Unexpected network error.';
          set(() => ({ isLoading: false, error }));
        }
      },
      getUser: async (username) => {
        try {
          set(() => ({ isLoading: true }));
          // check if user is already cached
          const userDetails = get().cached_users_details.find(
            (u) => u.login === username
          );
          if (userDetails) {
            set(() => ({ userDetails, isLoading: false }));
          } else {
            const userInfo = await methods.get<IUserDetails>({
              url: `/users/${username}`,
            });
            set((state) => ({
              cached_users_details: [...state.cached_users_details, userInfo],
              userDetails: userInfo,
              isLoading: false,
            }));
          }
        } catch (err: any) {
          const error =
            err?.message || err?.data?.message || 'Unexpected network error.';
          set(() => ({ isLoading: false, error }));
        }
      },
    }),
    {
      name: 'search-storage',
      getStorage: () => sessionStorage,
    }
  )
);

const initialState = {
  data: undefined,
  userDetails: undefined,
  cached_users_details: [],
  query: { page: 1, per_page: 20 },
  isLoading: false,
  error: undefined,
};
export const githubStore = create(
  persist<IGithubStore>(
    (set, get) => ({
      ...initialState,
      ...
      clear: () => {
        set(() => (initialState));
        sessionStorage.clear(); // or localStorage.clear();
      },
   })
  )
);