mirror of
https://git.mirrors.martin98.com/https://github.com/langgenius/dify.git
synced 2025-07-04 02:25:13 +08:00
389 lines
13 KiB
TypeScript
389 lines
13 KiB
TypeScript
import { memo, useEffect, useMemo, useRef, useState } from 'react'
|
|
import ReactEcharts from 'echarts-for-react'
|
|
import SyntaxHighlighter from 'react-syntax-highlighter'
|
|
import {
|
|
atelierHeathDark,
|
|
atelierHeathLight,
|
|
} from 'react-syntax-highlighter/dist/esm/styles/hljs'
|
|
import ActionButton from '@/app/components/base/action-button'
|
|
import CopyIcon from '@/app/components/base/copy-icon'
|
|
import SVGBtn from '@/app/components/base/svg'
|
|
import Flowchart from '@/app/components/base/mermaid'
|
|
import { Theme } from '@/types/app'
|
|
import useTheme from '@/hooks/use-theme'
|
|
import SVGRenderer from '../svg-gallery' // Assumes svg-gallery.tsx is in /base directory
|
|
import MarkdownMusic from '@/app/components/base/markdown-blocks/music'
|
|
import ErrorBoundary from '@/app/components/base/markdown/error-boundary'
|
|
|
|
// Available language https://github.com/react-syntax-highlighter/react-syntax-highlighter/blob/master/AVAILABLE_LANGUAGES_HLJS.MD
|
|
const capitalizationLanguageNameMap: Record<string, string> = {
|
|
sql: 'SQL',
|
|
javascript: 'JavaScript',
|
|
java: 'Java',
|
|
typescript: 'TypeScript',
|
|
vbscript: 'VBScript',
|
|
css: 'CSS',
|
|
html: 'HTML',
|
|
xml: 'XML',
|
|
php: 'PHP',
|
|
python: 'Python',
|
|
yaml: 'Yaml',
|
|
mermaid: 'Mermaid',
|
|
markdown: 'MarkDown',
|
|
makefile: 'MakeFile',
|
|
echarts: 'ECharts',
|
|
shell: 'Shell',
|
|
powershell: 'PowerShell',
|
|
json: 'JSON',
|
|
latex: 'Latex',
|
|
svg: 'SVG',
|
|
abc: 'ABC',
|
|
}
|
|
const getCorrectCapitalizationLanguageName = (language: string) => {
|
|
if (!language)
|
|
return 'Plain'
|
|
|
|
if (language in capitalizationLanguageNameMap)
|
|
return capitalizationLanguageNameMap[language]
|
|
|
|
return language.charAt(0).toUpperCase() + language.substring(1)
|
|
}
|
|
|
|
// **Add code block
|
|
// Avoid error #185 (Maximum update depth exceeded.
|
|
// This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate.
|
|
// React limits the number of nested updates to prevent infinite loops.)
|
|
// Reference A: https://reactjs.org/docs/error-decoder.html?invariant=185
|
|
// Reference B1: https://react.dev/reference/react/memo
|
|
// Reference B2: https://react.dev/reference/react/useMemo
|
|
// ****
|
|
// The original error that occurred in the streaming response during the conversation:
|
|
// Error: Minified React error 185;
|
|
// visit https://reactjs.org/docs/error-decoder.html?invariant=185 for the full message
|
|
// or use the non-minified dev environment for full errors and additional helpful warnings.
|
|
|
|
const CodeBlock: any = memo(({ inline, className, children = '', ...props }: any) => {
|
|
const { theme } = useTheme()
|
|
const [isSVG, setIsSVG] = useState(true)
|
|
const [chartState, setChartState] = useState<'loading' | 'success' | 'error'>('loading')
|
|
const [finalChartOption, setFinalChartOption] = useState<any>(null)
|
|
const echartsRef = useRef<any>(null)
|
|
const contentRef = useRef<string>('')
|
|
const processedRef = useRef<boolean>(false) // Track if content was successfully processed
|
|
const match = /language-(\w+)/.exec(className || '')
|
|
const language = match?.[1]
|
|
const languageShowName = getCorrectCapitalizationLanguageName(language || '')
|
|
const isDarkMode = theme === Theme.dark
|
|
|
|
const echartsStyle = useMemo(() => ({
|
|
height: '350px',
|
|
width: '100%',
|
|
}), [])
|
|
|
|
const echartsOpts = useMemo(() => ({
|
|
renderer: 'canvas',
|
|
width: 'auto',
|
|
}) as any, [])
|
|
|
|
const echartsOnEvents = useMemo(() => ({
|
|
finished: () => {
|
|
const instance = echartsRef.current?.getEchartsInstance?.()
|
|
if (instance)
|
|
instance.resize()
|
|
},
|
|
}), [echartsRef]) // echartsRef is stable, so this effectively runs once.
|
|
|
|
// Handle container resize for echarts
|
|
useEffect(() => {
|
|
if (language !== 'echarts' || !echartsRef.current) return
|
|
|
|
const handleResize = () => {
|
|
// This gets the echarts instance from the component
|
|
const instance = echartsRef.current?.getEchartsInstance?.()
|
|
if (instance)
|
|
instance.resize()
|
|
}
|
|
|
|
window.addEventListener('resize', handleResize)
|
|
|
|
// Also manually trigger resize after a short delay to ensure proper sizing
|
|
const resizeTimer = setTimeout(handleResize, 200)
|
|
|
|
return () => {
|
|
window.removeEventListener('resize', handleResize)
|
|
clearTimeout(resizeTimer)
|
|
}
|
|
}, [language, echartsRef.current])
|
|
|
|
// Process chart data when content changes
|
|
useEffect(() => {
|
|
// Only process echarts content
|
|
if (language !== 'echarts') return
|
|
|
|
// Reset state when new content is detected
|
|
if (!contentRef.current) {
|
|
setChartState('loading')
|
|
processedRef.current = false
|
|
}
|
|
|
|
const newContent = String(children).replace(/\n$/, '')
|
|
|
|
// Skip if content hasn't changed
|
|
if (contentRef.current === newContent) return
|
|
contentRef.current = newContent
|
|
|
|
const trimmedContent = newContent.trim()
|
|
if (!trimmedContent) return
|
|
|
|
// Detect if this is historical data (already complete)
|
|
// Historical data typically comes as a complete code block with complete JSON
|
|
const isCompleteJson
|
|
= (trimmedContent.startsWith('{') && trimmedContent.endsWith('}')
|
|
&& trimmedContent.split('{').length === trimmedContent.split('}').length)
|
|
|| (trimmedContent.startsWith('[') && trimmedContent.endsWith(']')
|
|
&& trimmedContent.split('[').length === trimmedContent.split(']').length)
|
|
|
|
// If the JSON structure looks complete, try to parse it right away
|
|
if (isCompleteJson && !processedRef.current) {
|
|
try {
|
|
const parsed = JSON.parse(trimmedContent)
|
|
if (typeof parsed === 'object' && parsed !== null) {
|
|
setFinalChartOption(parsed)
|
|
setChartState('success')
|
|
processedRef.current = true
|
|
return
|
|
}
|
|
}
|
|
catch {
|
|
try {
|
|
// eslint-disable-next-line no-new-func, sonarjs/code-eval
|
|
const result = new Function(`return ${trimmedContent}`)()
|
|
if (typeof result === 'object' && result !== null) {
|
|
setFinalChartOption(result)
|
|
setChartState('success')
|
|
processedRef.current = true
|
|
return
|
|
}
|
|
}
|
|
catch {
|
|
// If we have a complete JSON structure but it doesn't parse,
|
|
// it's likely an error rather than incomplete data
|
|
setChartState('error')
|
|
processedRef.current = true
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
// If we get here, either the JSON isn't complete yet, or we failed to parse it
|
|
// Check more conditions for streaming data
|
|
const isIncomplete
|
|
= trimmedContent.length < 5
|
|
|| (trimmedContent.startsWith('{')
|
|
&& (!trimmedContent.endsWith('}')
|
|
|| trimmedContent.split('{').length !== trimmedContent.split('}').length))
|
|
|| (trimmedContent.startsWith('[')
|
|
&& (!trimmedContent.endsWith(']')
|
|
|| trimmedContent.split('[').length !== trimmedContent.split('}').length))
|
|
|| (trimmedContent.split('"').length % 2 !== 1)
|
|
|| (trimmedContent.includes('{"') && !trimmedContent.includes('"}'))
|
|
|
|
// Only try to parse streaming data if it looks complete and hasn't been processed
|
|
if (!isIncomplete && !processedRef.current) {
|
|
let isValidOption = false
|
|
|
|
try {
|
|
const parsed = JSON.parse(trimmedContent)
|
|
if (typeof parsed === 'object' && parsed !== null) {
|
|
setFinalChartOption(parsed)
|
|
isValidOption = true
|
|
}
|
|
}
|
|
catch {
|
|
try {
|
|
// eslint-disable-next-line no-new-func, sonarjs/code-eval
|
|
const result = new Function(`return ${trimmedContent}`)()
|
|
if (typeof result === 'object' && result !== null) {
|
|
setFinalChartOption(result)
|
|
isValidOption = true
|
|
}
|
|
}
|
|
catch {
|
|
// Both parsing methods failed, but content looks complete
|
|
setChartState('error')
|
|
processedRef.current = true
|
|
}
|
|
}
|
|
|
|
if (isValidOption) {
|
|
setChartState('success')
|
|
processedRef.current = true
|
|
}
|
|
}
|
|
}, [language, children])
|
|
|
|
const renderCodeContent = useMemo(() => {
|
|
const content = String(children).replace(/\n$/, '')
|
|
switch (language) {
|
|
case 'mermaid':
|
|
if (isSVG)
|
|
return <Flowchart PrimitiveCode={content} />
|
|
break
|
|
case 'echarts': {
|
|
// Loading state: show loading indicator
|
|
if (chartState === 'loading') {
|
|
return (
|
|
<div style={{
|
|
minHeight: '350px',
|
|
width: '100%',
|
|
display: 'flex',
|
|
flexDirection: 'column',
|
|
alignItems: 'center',
|
|
justifyContent: 'center',
|
|
borderBottomLeftRadius: '10px',
|
|
borderBottomRightRadius: '10px',
|
|
backgroundColor: isDarkMode ? 'var(--color-components-input-bg-normal)' : 'transparent',
|
|
color: 'var(--color-text-secondary)',
|
|
}}>
|
|
<div style={{
|
|
marginBottom: '12px',
|
|
width: '24px',
|
|
height: '24px',
|
|
}}>
|
|
{/* Rotating spinner that works in both light and dark modes */}
|
|
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" style={{ animation: 'spin 1.5s linear infinite' }}>
|
|
<style>
|
|
{`
|
|
@keyframes spin {
|
|
0% { transform: rotate(0deg); }
|
|
100% { transform: rotate(360deg); }
|
|
}
|
|
`}
|
|
</style>
|
|
<circle opacity="0.2" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="2" />
|
|
<path d="M12 2C6.47715 2 2 6.47715 2 12" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
|
|
</svg>
|
|
</div>
|
|
<div style={{
|
|
fontFamily: 'var(--font-family)',
|
|
fontSize: '14px',
|
|
}}>Chart loading...</div>
|
|
</div>
|
|
)
|
|
}
|
|
|
|
// Success state: show the chart
|
|
if (chartState === 'success' && finalChartOption) {
|
|
return (
|
|
<div style={{
|
|
minWidth: '300px',
|
|
minHeight: '350px',
|
|
width: '100%',
|
|
overflowX: 'auto',
|
|
borderBottomLeftRadius: '10px',
|
|
borderBottomRightRadius: '10px',
|
|
transition: 'background-color 0.3s ease',
|
|
}}>
|
|
<ErrorBoundary>
|
|
<ReactEcharts
|
|
ref={echartsRef}
|
|
option={finalChartOption}
|
|
style={echartsStyle}
|
|
theme={isDarkMode ? 'dark' : undefined}
|
|
opts={echartsOpts}
|
|
notMerge={true}
|
|
onEvents={echartsOnEvents}
|
|
/>
|
|
</ErrorBoundary>
|
|
</div>
|
|
)
|
|
}
|
|
|
|
// Error state: show error message
|
|
const errorOption = {
|
|
title: {
|
|
text: 'ECharts error - Wrong option.',
|
|
},
|
|
}
|
|
|
|
return (
|
|
<div style={{
|
|
minWidth: '300px',
|
|
minHeight: '350px',
|
|
width: '100%',
|
|
overflowX: 'auto',
|
|
borderBottomLeftRadius: '10px',
|
|
borderBottomRightRadius: '10px',
|
|
transition: 'background-color 0.3s ease',
|
|
}}>
|
|
<ErrorBoundary>
|
|
<ReactEcharts
|
|
ref={echartsRef}
|
|
option={errorOption}
|
|
style={echartsStyle}
|
|
theme={isDarkMode ? 'dark' : undefined}
|
|
opts={echartsOpts}
|
|
notMerge={true}
|
|
/>
|
|
</ErrorBoundary>
|
|
</div>
|
|
)
|
|
}
|
|
case 'svg':
|
|
if (isSVG) {
|
|
return (
|
|
<ErrorBoundary>
|
|
<SVGRenderer content={content} />
|
|
</ErrorBoundary>
|
|
)
|
|
}
|
|
break
|
|
case 'abc':
|
|
return (
|
|
<ErrorBoundary>
|
|
<MarkdownMusic children={content} />
|
|
</ErrorBoundary>
|
|
)
|
|
default:
|
|
return (
|
|
<SyntaxHighlighter
|
|
{...props}
|
|
style={theme === Theme.light ? atelierHeathLight : atelierHeathDark}
|
|
customStyle={{
|
|
paddingLeft: 12,
|
|
borderBottomLeftRadius: '10px',
|
|
borderBottomRightRadius: '10px',
|
|
backgroundColor: 'var(--color-components-input-bg-normal)',
|
|
}}
|
|
language={match?.[1]}
|
|
showLineNumbers
|
|
PreTag="div"
|
|
>
|
|
{content}
|
|
</SyntaxHighlighter>
|
|
)
|
|
}
|
|
}, [children, language, isSVG, finalChartOption, props, theme, match, chartState, isDarkMode, echartsStyle, echartsOpts, echartsOnEvents])
|
|
|
|
if (inline || !match)
|
|
return <code {...props} className={className}>{children}</code>
|
|
|
|
return (
|
|
<div className='relative'>
|
|
<div className='flex h-8 items-center justify-between rounded-t-[10px] border-b border-divider-subtle bg-components-input-bg-normal p-1 pl-3'>
|
|
<div className='system-xs-semibold-uppercase text-text-secondary'>{languageShowName}</div>
|
|
<div className='flex items-center gap-1'>
|
|
{(['mermaid', 'svg']).includes(language!) && <SVGBtn isSVG={isSVG} setIsSVG={setIsSVG} />}
|
|
<ActionButton>
|
|
<CopyIcon content={String(children).replace(/\n$/, '')} />
|
|
</ActionButton>
|
|
</div>
|
|
</div>
|
|
{renderCodeContent}
|
|
</div>
|
|
)
|
|
})
|
|
CodeBlock.displayName = 'CodeBlock'
|
|
|
|
export default CodeBlock
|