Files
mqtt-explorer/app/src/ErrorBoundary.tsx
Thomas Nordquist 353081175b Add error boundary to nake frontend more resiliant
Allows users to recover from errors in userStorage

Is related to #23
2019-01-18 13:13:36 +01:00

104 lines
2.9 KiB
TypeScript

import * as React from 'react'
import * as q from '../../backend/src/Model'
import {
Button,
Modal,
Paper,
Toolbar,
Typography,
} from '@material-ui/core'
import Warning from '@material-ui/icons/Warning'
import SentimentDissatisfied from '@material-ui/icons/SentimentDissatisfied'
import { Theme, withStyles } from '@material-ui/core/styles'
interface State {
error?: Error
}
interface Props {
classes: any
}
class ErrorBoundary extends React.Component<Props, State> {
constructor(props: Props) {
super(props)
this.state = {}
}
public componentDidCatch(error: Error, errorInfo: any) {
console.log('did catch', error)
}
public static getDerivedStateFromError(error: Error) {
return { error }
}
private restart = () => {
window.location = window.location
}
private clearStorage = () => {
localStorage.clear()
window.location = window.location
}
public render() {
if (!this.state.error) {
return this.props.children
}
const { classes } = this.props
return (
<Modal open={true} disableAutoFocus={true}>
<Paper className={classes.root}>
<Toolbar style={{ padding: '0' }}>
<Typography className={classes.title} variant="h6" color="inherit"><Warning /> Oooooops!</Typography>
</Toolbar>
<Typography>I hoped that you would never see this window, but MQTT-Explorer had an unexpected error.</Typography>
<Typography style={{ textAlign: 'center' }}><SentimentDissatisfied /></Typography>
<pre className={classes.textColor} style={{ maxHeight: '40vh', overflow: 'scroll' }}>
<code className={classes.textColor}>
{this.state.error.stack}
</code>
</pre>
<Typography>
Please report this issue with a short description of what happened to
<span> <a className={classes.textColor} href="https://github.com/thomasnordquist/MQTT-Explorer/issues">https://github.com/thomasnordquist/MQTT-Explorer/issues</a></span>
</Typography>
<div>
<div className={classes.buttonPositioning}><Button onClick={this.restart}>Restart</Button></div>
<div className={classes.buttonPositioning}><Button onClick={this.clearStorage}>Start Fresh</Button></div>
</div>
</Paper>
</Modal>
)
}
}
const styles = (theme: Theme) => ({
root: {
minWidth: 550,
maxWidth: 650,
backgroundColor: theme.palette.background.default,
margin: '14vh auto auto auto',
padding: `${2 * theme.spacing.unit}px`,
outline: 'none',
},
title: {
color: theme.palette.text.primary,
margin: '0',
textAlign: 'center' as 'center',
},
textColor: {
color: theme.palette.text.primary,
},
buttonPositioning: {
textAlign: 'center' as 'center',
marginTop: `${theme.spacing.unit * 2}px`,
},
})
export default withStyles(styles)(ErrorBoundary)