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fix: code copy button now copies full code block #550

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fix: code copy button now copies full code block #550

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28 changes: 4 additions & 24 deletions src/components/mdx/Code/Code.tsx
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Original file line number Diff line number Diff line change
@@ -1,16 +1,15 @@
'use client'

import cn from '@/lib/cn'
import { ComponentProps, isValidElement, ReactNode, useEffect, useState } from 'react'
import { ComponentProps, useEffect, useRef, useState } from 'react'
import { TbClipboard, TbClipboardCheck } from 'react-icons/tb'

export const Code = ({ children, className, ...props }: ComponentProps<'pre'>) => {
const [copied, setCopied] = useState(false)
const ref = useRef<HTMLPreElement>(null)

const handleClick = async () => {
const textToCopy = extractTextFromChildren(children)

await navigator.clipboard.writeText(textToCopy)
await navigator.clipboard.writeText(ref.current?.textContent ?? '')
setCopied(true)
}

Expand All @@ -23,6 +22,7 @@ export const Code = ({ children, className, ...props }: ComponentProps<'pre'>) =
return (
<div className={cn('relative')}>
<pre
ref={ref}
{...props}
className={cn(
className,
Expand All @@ -42,23 +42,3 @@ export const Code = ({ children, className, ...props }: ComponentProps<'pre'>) =
</div>
)
}

// Recursive function to extract text content from React nodes
const extractTextFromChildren = (children: ReactNode): string => {
if (typeof children === 'string') {
return children
}

if (Array.isArray(children)) {
return children.map(extractTextFromChildren).join('')
}

if (isValidElement(children)) {
const props = children.props as Record<string, unknown>
if ('children' in props) {
return extractTextFromChildren(props.children as ReactNode)
}
}

return ''
}
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