51 lines
1.5 KiB
TypeScript
51 lines
1.5 KiB
TypeScript
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import { Component, type ErrorInfo, type ReactNode } from 'react'
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type ErrorBoundaryProps = {
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children: ReactNode
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fallback?: ReactNode
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}
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type ErrorBoundaryState = {
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hasError: boolean
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message: string
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}
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/**
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* 攔截子樹的 render 例外，避免單一元件（例如渲染 AI 任意輸出的 IslanderMarkdown）
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* 出錯就整頁白屏。
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*/
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export class ErrorBoundary extends Component<ErrorBoundaryProps, ErrorBoundaryState> {
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state: ErrorBoundaryState = { hasError: false, message: '' }
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static getDerivedStateFromError(error: unknown): ErrorBoundaryState {
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return { hasError: true, message: error instanceof Error ? error.message : '發生未預期錯誤' }
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}
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componentDidCatch(error: Error, info: ErrorInfo) {
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console.error('ErrorBoundary caught error:', error, info.componentStack)
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}
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private handleReset = () => {
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this.setState({ hasError: false, message: '' })
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}
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render() {
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if (!this.state.hasError) return this.props.children
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if (this.props.fallback) return this.props.fallback
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return (
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<div className="ac-slot" style={{ padding: '1.5rem', textAlign: 'center' }}>
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<p className="text-ink" style={{ marginBottom: '0.75rem' }}>
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這個區塊發生問題，請重試或重新整理頁面。
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</p>
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<p className="text-subtle" style={{ marginBottom: '1rem', fontSize: 13 }}>
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{this.state.message}
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</p>
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<button type="button" className="ac-btn-secondary" onClick={this.handleReset}>
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重試
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</button>
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</div>
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)
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}
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}
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