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仿照 react-apollo 1.x版本 以及 taro-redux做的 graphql componet wrapper

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taro-apollo

仿照 react-apollo 1.x版本 以及 taro-redux做的 graphql componet wrapper

安装

npm install taro-apollo --save
yarn add taro-apollo

使用

初始化apollo client 这里我使用的是我的wx-apollo-fetcher 你可以使用自己的或者其他fetch polyfill

import { ApolloClient } from "apollo-client";
import { InMemoryCache } from "apollo-cache-inmemory";
import { HttpLink } from "apollo-link-http";
import wxApolloFetcher from "wx-apollo-fetcher";
import { setApolloClient } from "taro-apollo";

const client = new ApolloClient({
    link: new HttpLink({
        uri: "xxx",
        fetch: wxApolloFetcher,
    }),
    cache: new InMemoryCache(),
});

setApolloClient(client);

apollo组件化

import { withQuery } from "taro-apollo";
import gql from "graphql-tag";

const query = gql`
    query xxx{
        xxxx
    }
`;

@withQuery({
    query: query,
    fetchPolicy: XXX,
    ignoreCache: true/false, // 设置 fetchPolicy = "network-only", 为了省事。。 
    variables: (props, state) => {
        return {
            // xxx
        };
    },
})
export default class MyComponent extends Taro.Component {

    render() {
        const { data, loading, error } = this.props;
        return (
            <View>
                {loading && <View>加载中</View>}
                {error && <View>出错啦</View>}
                {data && <View>xxxx</View>}
            </View>
        );
    }

}

有需要注意的是我把原有skip和variables逻辑二合一了 当query需要variables && variables结果为空时自动skip

fetchMore/refetch

render(){
    const {fetchMore, refetch} = this.props;
    // 参数和 apollo-client一样 
}

直发query/mutation

import { sendQuery, sendMutation } from "taro-apollo";

sendQuery(query, variables, ignoreCache)
    .then(data => {
        // do something
    })
    .catch(err => {
        // handle error
    });

sendMutation(mutation, variables, refetchQueries)
    .then(data => {
        // do something
    })
    .catch(err => {
        // handle error
    });

TODO

  • withMutation

一些推荐用的apollo link

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