39 lines
984 B
JavaScript
39 lines
984 B
JavaScript
import React from 'react'
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import ReactDOM from 'react-dom'
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import SeasonDisplay from './SeasonDisplay'
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import Spinner from './Spinner'
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class App extends React.Component {
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// specific to JS not to React
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// constructor(props) {
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// super(props)
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// this.state = { lat: null, errorMessage: '' }
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// }
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state = { lat: null, errorMessage: '' }
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componentDidMount() {
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window.navigator.geolocation.getCurrentPosition(
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postion => this.setState({ lat: postion.coords.latitude }),
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err => this.setState({ errorMessage: err.message })
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)
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}
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render() {
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if (this.state.errorMessage && !this.state.lat) {
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return <div>Error: {this.state.errorMessage}</div>
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}
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if (!this.state.errorMessage && this.state.lat) {
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return <SeasonDisplay lat={this.state.lat} />
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}
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return <Spinner />
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}
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}
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ReactDOM.render(
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<App />,
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document.querySelector('#root')
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) |