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import { useMemo, useState } from 'react'
import { CollapseIcon } from '../../icons/collapse-icon'
/**
*
* Format component stack into pseudo HTML
* component stack is an array of strings, e.g.: ['p', 'p', 'Page', ...]
*
* For html tags mismatch, it will render it for the code block
*
* ```
* <pre>
* <code>{`
* <Page>
* <p red>
* <p red>
* `}</code>
* </pre>
* ```
*
* For text mismatch, it will render it for the code block
*
* ```
* <pre>
* <code>{`
* <Page>
* <p>
* "Server Text" (green)
* "Client Text" (red)
* </p>
* </Page>
* `}</code>
* ```
*
* For bad text under a tag it will render it for the code block,
* e.g. "Mismatched Text" under <p>
*
* ```
* <pre>
* <code>{`
* <Page>
* <div>
* <p>
* "Mismatched Text" (red)
* </p>
* </div>
* </Page>
* `}</code>
* ```
*
*/
export function PseudoHtmlDiff({
reactOutputComponentDiff,
}: {
reactOutputComponentDiff: string
}) {
const [isDiffCollapsed, toggleCollapseHtml] = useState(true)
const htmlComponents = useMemo(() => {
const componentStacks: React.ReactNode[] = []
const reactComponentDiffLines = reactOutputComponentDiff.split('\n')
reactComponentDiffLines.forEach((line, index) => {
const isDiffLine = line[0] === '+' || line[0] === '-'
const isHighlightedLine = line[0] === '>'
const hasSign = isDiffLine || isHighlightedLine
const sign = hasSign ? line[0] : ''
const signIndex = hasSign ? line.indexOf(sign) : -1
const [prefix, suffix] = hasSign
? [line.slice(0, signIndex), line.slice(signIndex + 1)]
: [line, '']
if (isDiffLine) {
componentStacks.push(
<span
key={'comp-diff' + index}
data-nextjs-container-errors-pseudo-html-line
data-nextjs-container-errors-pseudo-html--diff={
sign === '+' ? 'add' : 'remove'
}
>
<span>
{/* Slice 2 spaces for the icon */}
{prefix}
<span data-nextjs-container-errors-pseudo-html-line-sign>
{sign}
</span>
{suffix}
{'\n'}
</span>
</span>
)
} else {
// In general, if it's not collapsed, show the whole diff
componentStacks.push(
<span
data-nextjs-container-errors-pseudo-html-line
key={'comp-diff' + index}
{...(isHighlightedLine
? {
'data-nextjs-container-errors-pseudo-html--diff': 'error',
}
: undefined)}
>
{prefix}
<span data-nextjs-container-errors-pseudo-html-line-sign>
{sign}
</span>
{suffix}
{'\n'}
</span>
)
}
})
return componentStacks
}, [reactOutputComponentDiff])
return (
<div
data-nextjs-container-errors-pseudo-html
data-nextjs-container-errors-pseudo-html-collapse={isDiffCollapsed}
>
<button
aria-expanded={!isDiffCollapsed}
aria-label="complete Component Stack"
data-nextjs-container-errors-pseudo-html-collapse-button
onClick={() => toggleCollapseHtml(!isDiffCollapsed)}
>
<CollapseIcon collapsed={isDiffCollapsed} />
</button>
<pre className="nextjs__container_errors__component-stack">
<code>{htmlComponents}</code>
</pre>
</div>
)
}
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