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next.js/lib/error-debug.js

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import React from 'react'
import ansiHTML from 'ansi-html'
import Head from './head'
export default ({ error, error: { name, message, module } }) => (
<div style={styles.errorDebug}>
<Head>
<meta name='viewport' content='width=device-width, initial-scale=1.0' />
</Head>
{module ? <div style={styles.heading}>Error in {module.rawRequest}</div> : null}
{
name === 'ModuleBuildError'
? <pre style={styles.message} dangerouslySetInnerHTML={{ __html: ansiHTML(encodeHtml(message)) }} />
: <StackTrace error={error} />
}
</div>
)
const StackTrace = ({ error: { name, message, stack } }) => (
<div>
<div style={styles.heading}>{name && message && `${name}: ${message}`}</div>
<pre style={styles.message}>
{stack}
</pre>
</div>
)
const styles = {
errorDebug: {
background: '#a6004c',
boxSizing: 'border-box',
overflow: 'auto',
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padding: '15px',
position: 'fixed',
left: 0,
right: 0,
top: 0,
bottom: 0,
zIndex: 9999
},
message: {
fontFamily: '"SF Mono", "Roboto Mono", "Fira Mono", consolas, menlo-regular, monospace',
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fontSize: '13px',
color: '#fbe7f1',
margin: 0,
whiteSpace: 'pre-wrap',
wordWrap: 'break-word'
},
heading: {
fontFamily: '-apple-system, BlinkMacSystemFont, Roboto, "Segoe UI", "Fira Sans", Avenir, "Helvetica Neue", "Lucida Grande", sans-serif',
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fontSize: '15px',
fontWeight: 'bold',
color: '#ff84bf',
marginBottom: '20px'
}
}
const encodeHtml = str => {
return str.replace(/</g, '&lt;').replace(/>/g, '&gt;')
}
// see color definitions of babel-code-frame:
// https://github.com/babel/babel/blob/master/packages/babel-code-frame/src/index.js
ansiHTML.setColors({
reset: ['fff', 'a6004c'],
darkgrey: 'e54590',
yellow: 'ee8cbb',
green: 'f2a2c7',
magenta: 'fbe7f1',
blue: 'fff',
cyan: 'ef8bb9',
red: 'fff'
})