dify/web/app/components/base/markdown-blocks/think-block.tsx

102 lines
2.8 KiB
TypeScript

import React, { useEffect, useRef, useState } from 'react'
import { useTranslation } from 'react-i18next'
const hasEndThink = (children: any): boolean => {
if (typeof children === 'string')
return children.includes('[ENDTHINKFLAG]')
if (Array.isArray(children))
return children.some(child => hasEndThink(child))
if (children?.props?.children)
return hasEndThink(children.props.children)
return false
}
const removeEndThink = (children: any): any => {
if (typeof children === 'string')
return children.replace('[ENDTHINKFLAG]', '')
if (Array.isArray(children))
return children.map(child => removeEndThink(child))
if (children?.props?.children) {
return React.cloneElement(
children,
{
...children.props,
children: removeEndThink(children.props.children),
},
)
}
return children
}
const useThinkTimer = (children: any) => {
const [startTime] = useState(Date.now())
const [elapsedTime, setElapsedTime] = useState(0)
const [isComplete, setIsComplete] = useState(false)
const timerRef = useRef<NodeJS.Timeout>()
useEffect(() => {
timerRef.current = setInterval(() => {
if (!isComplete)
setElapsedTime(Math.floor((Date.now() - startTime) / 100) / 10)
}, 100)
return () => {
if (timerRef.current)
clearInterval(timerRef.current)
}
}, [startTime, isComplete])
useEffect(() => {
if (hasEndThink(children)) {
setIsComplete(true)
if (timerRef.current)
clearInterval(timerRef.current)
}
}, [children])
return { elapsedTime, isComplete }
}
export const ThinkBlock = ({ children, ...props }: any) => {
const { elapsedTime, isComplete } = useThinkTimer(children)
const displayContent = removeEndThink(children)
const { t } = useTranslation()
if (!(props['data-think'] ?? false))
return (<details {...props}>{children}</details>)
return (
<details {...(!isComplete && { open: true })} className="group">
<summary className="flex cursor-pointer select-none list-none items-center whitespace-nowrap pl-2 font-bold text-gray-500">
<div className="flex shrink-0 items-center">
<svg
className="mr-2 h-3 w-3 transition-transform duration-500 group-open:rotate-90"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
>
<path
strokeLinecap="round"
strokeLinejoin="round"
strokeWidth={2}
d="M9 5l7 7-7 7"
/>
</svg>
{isComplete ? `${t('common.chat.thought')}(${elapsedTime.toFixed(1)}s)` : `${t('common.chat.thinking')}(${elapsedTime.toFixed(1)}s)`}
</div>
</summary>
<div className="ml-2 border-l border-gray-300 bg-gray-50 p-3 text-gray-500">
{displayContent}
</div>
</details>
)
}
export default ThinkBlock