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| import React from 'react'; | |
| import PropTypes from 'prop-types'; | |
| class App extends React.Component { | |
| render() { | |
| const { menu } = this.context; | |
| return menu === '????' | |
| ? <h1>???</h1> | |
| : <h1>xxx</h1>; | |
| } | |
| static contextProps = { | |
| menu: PropTypes.object, | |
| setMenu: PropTypes.func, | |
| } | |
| } |
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| import React from 'react'; | |
| import PropTypes from 'prop-types'; | |
| import { initStore } from '../lib/fetchData'; | |
| export default class StoreProvider extends React.Component { | |
| constructor(props) { | |
| super(props); | |
| this.state = { | |
| menu: 'orders', | |
| modal: null, | |
| store: null, | |
| isInitializing: true, | |
| }; | |
| [ | |
| 'hideModal', | |
| 'setMenu', | |
| 'showModal', | |
| ].forEach(v => | |
| this[v] = this[v].bind(this) | |
| ); | |
| } | |
| componentDidMount() { | |
| this.initStore(); | |
| } | |
| async initStore() { | |
| this.setState({ | |
| store: await initStore(), | |
| isInitializing: false, | |
| }); | |
| } | |
| hideModal() { | |
| this.setState({ | |
| modal: null, | |
| }); | |
| } | |
| showModal(modalInstance) { | |
| this.setState({ | |
| modal: modalInstance, | |
| }); | |
| } | |
| setMenu(menu) { | |
| this.setState({ menu }); | |
| } | |
| render() { | |
| return this.props.children; | |
| } | |
| getChildContext() { | |
| return { | |
| hideModal: this.hideModal, | |
| isInitializing: this.state.isInitializing, | |
| menu: this.state.menu, | |
| modal: this.state.modal, | |
| setMenu: this.setMenu, | |
| showModal: this.showModal, | |
| store: this.state.store, | |
| }; | |
| } | |
| static childContextTypes = { | |
| hideModal: PropTypes.func, | |
| isInitializing: PropTypes.bool, | |
| menu: PropTypes.string, | |
| modal: PropTypes.object, | |
| setMenu: PropTypes.func, | |
| showModal: PropTypes.func, | |
| store: PropTypes.object, | |
| }; | |
| } |
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