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'use client'
import { Component, createRef, type ReactNode } from 'react'
interface ErrorBoundaryProps {
children: ReactNode
}
interface ErrorBoundaryState {
hasError: boolean
}
function getDomNodeAttributes(node: HTMLElement): Record<string, string> {
const result: Record<string, string> = {}
for (let i = 0; i < node.attributes.length; i++) {
const attr = node.attributes[i]
result[attr.name] = attr.value
}
return result
}
export class GracefulDegradeBoundary extends Component<
ErrorBoundaryProps,
ErrorBoundaryState
> {
private rootHtml: string
private htmlAttributes: Record<string, string>
private htmlRef: React.RefObject<HTMLHtmlElement | null>
constructor(props: ErrorBoundaryProps) {
super(props)
this.state = { hasError: false }
this.rootHtml = ''
this.htmlAttributes = {}
this.htmlRef = createRef<HTMLHtmlElement>()
}
static getDerivedStateFromError(_: unknown): ErrorBoundaryState {
return { hasError: true }
}
componentDidMount() {
const htmlNode = this.htmlRef.current
if (this.state.hasError && htmlNode) {
// Reapply the cached HTML attributes to the root element
Object.entries(this.htmlAttributes).forEach(([key, value]) => {
htmlNode.setAttribute(key, value)
})
}
}
render() {
const { hasError } = this.state
// Cache the root HTML content on the first render
if (typeof window !== 'undefined' && !this.rootHtml) {
this.rootHtml = document.documentElement.innerHTML
this.htmlAttributes = getDomNodeAttributes(document.documentElement)
}
if (hasError) {
// Render the current HTML content without hydration
return (
<html
ref={this.htmlRef}
suppressHydrationWarning
dangerouslySetInnerHTML={{
__html: this.rootHtml,
}}
/>
)
}
return this.props.children
}
}
export default GracefulDegradeBoundary
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