umi + ts 配合使用 dva model

import { connect } from 'umi' 生效条件

1. model文件需放置在 src/models下

2. umi会识别符合条件的models文件

开启dva： .umirc.ts中配置

export default defineConfig({
  ...,
  dva: {  // 配置自己需要的设置即可
    immer: true,
    hmr: true,
  },
});

model文件：src/models/shop.ts

import { Effect, ImmerReducer, Reducer, Subscription } from 'umi';

const namespace = 'shop'
export const namespace_shop = namespace

interface ModelState {
  name: string;
}

interface ModelsType {
  namespace: typeof namespace;
  state: ModelState;
  effects: {
    query: Effect;
  };
  reducers: {
    save: Reducer<ModelState>;
    // 启用 immer 之后
    // save: ImmerReducer<IndexModelState>;
  };
  subscriptions: { setup: Subscription };
}

const ShopModels: ModelsType = {
  namespace,
  state: {
    name: 'shop',
  },
  effects: {
    *query({ payload }, { call, put }) {
      yield put({
        type: 'save',
        payload: { name: '慧慧' }
      })
    },
  },
  reducers: {
    save(state, action) {
      return {
        ...state,
        ...action.payload,
      };
    },
  },
  subscriptions: {
    setup({ dispatch, history }) {
      return history.listen(({ pathname }) => {
        if (pathname === '/shop') {
          dispatch({
            type: 'query',
          })
        }
      });
    }
  }
};

export default ShopModels;

页面page文件：index.ts

import React, { Component, FC } from 'react';
import { connect, Dispatch, ConnectProps, namespace_shop} from 'umi';
const MODELS_NAME  = namespace_shop

interface PageProps extends ConnectProps {
  name: string;
  loading: boolean;
  dispatch: Dispatch
}

interface PageSate {}

class IndexPage extends Component <PageProps, PageSate> {

  handleChangeName = () => {
    this.props.dispatch({
      type: `${MODELS_NAME}/save`,
      payload: {
        name: 'hahahha'
      }
    })
  }

  render() {
    const { name = '' } = this.props
    return <div onClick={() => this.handleChangeName()} >Hello {name}</div>;
  }
}

const mapState = (state: any) => {
  return {
    ...state[MODELS_NAME],
    loading: state.loading.models[MODELS_NAME]
  }
}
export default connect(mapState)(IndexPage);