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import React, { Component } from 'react'
import Router from 'next/router'
let count = 0
export default class SelfReload extends Component {
static getInitialProps({ res }) {
if (res) return { count: 0 }
count += 1
return { count }
}
handleAClick = () => {
Router.push(
'/nav/hash-changes-with-state',
'/nav/hash-changes-with-state#hello' + Math.random(),
{
historyCount: (window.history.state?.options?.historyCount || 0) + 1,
shallowHistoryCount: window.history.state?.options?.shallowHistoryCount,
}
)
}
handleAShallowClick = () => {
Router.push(
'/nav/hash-changes-with-state#',
'/nav/hash-changes-with-state#hello' + Math.random(),
{
shallow: true,
historyCount: window.history.state?.options?.historyCount,
shallowHistoryCount:
(window.history.state?.options?.shallowHistoryCount || 0) + 1,
}
)
}
render() {
return (
<div id="hash-changes-page">
<p>COUNT: {this.props.count}</p>
<a id="increment-history-count" onClick={this.handleAClick}>
Increment history count
</a>
<div id="history-count">
HISTORY COUNT:{' '}
{typeof window !== 'undefined' &&
window.history.state?.options?.historyCount}
</div>
<a
id="increment-shallow-history-count"
onClick={this.handleAShallowClick}
>
Increment shallow history count
</a>
<div id="shallow-history-count">
SHALLOW HISTORY COUNT:{' '}
{typeof window !== 'undefined' &&
window.history.state?.options?.shallowHistoryCount}
</div>
</div>
)
}
}
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