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Merge pull request #568 from woowacourse-teams/feat/540-improved-erro…
…r-handling 에러 핸들링을 위한 컴포넌트 추가 및 적용
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| import type { ComponentType, ErrorInfo, PropsWithChildren, ReactNode } from 'react'; | ||
| import React from 'react'; | ||
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| type FallbackProps<TError> = { | ||
| error: TError; | ||
| resetErrorBoundary: () => void; | ||
| }; | ||
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| export type ErrorBoundaryBaseProps<TError> = PropsWithChildren<{ | ||
| onReset?: () => void; | ||
| caught?: (error: unknown) => error is TError; | ||
| }>; | ||
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| export type ErrorBoundaryWithRenderProps<TError> = ErrorBoundaryBaseProps<TError> & { | ||
| fallbackRender: ({ error, resetErrorBoundary }: FallbackProps<TError>) => ReactNode; | ||
| FallbackComponent?: never; | ||
| }; | ||
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| export type ErrorBoundaryWithComponentProps<TError> = ErrorBoundaryBaseProps<TError> & { | ||
| fallbackRender?: never; | ||
| FallbackComponent: ComponentType<FallbackProps<TError>>; | ||
| }; | ||
|
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| export type ErrorBoundaryWithNothingProps<TError> = ErrorBoundaryBaseProps<TError> & { | ||
| fallbackRender?: never; | ||
| FallbackComponent?: never; | ||
| }; | ||
|
|
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| export type ErrorBoundaryProps<TError> = | ||
| | ErrorBoundaryWithRenderProps<TError> | ||
| | ErrorBoundaryWithComponentProps<TError> | ||
| | ErrorBoundaryWithNothingProps<TError>; | ||
|
|
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| type ErrorBoundaryState<TError> = { | ||
| error: TError | null; | ||
| }; | ||
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| /** | ||
| * 자식 컴포넌트를 렌더링하는 중 에러가 발생하였을 때(throw error) | ||
| * 대체 컴포넌트(fallback)을 렌더합니다. | ||
| */ | ||
| class ErrorBoundary<TError = Error> extends React.Component<ErrorBoundaryProps<TError>, ErrorBoundaryState<TError>> { | ||
| constructor(props: ErrorBoundaryProps<TError>) { | ||
| super(props); | ||
| this.state = { | ||
| error: null, | ||
| }; | ||
| } | ||
|
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| static getDerivedStateFromError(error: any): ErrorBoundaryState<any> { | ||
| return { error }; | ||
| } | ||
|
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| componentDidCatch(error: unknown, errorInfo: ErrorInfo) { | ||
| const defaultCaught = (error: unknown): error is Error => error instanceof Error; | ||
| const { caught = defaultCaught } = this.props; | ||
| if (caught(error)) { | ||
| return; | ||
| } | ||
| throw error; | ||
| } | ||
|
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| render() { | ||
| const { error } = this.state; | ||
| if (error) { | ||
| if ('fallbackRender' in this.props && this.props.fallbackRender) { | ||
| const { fallbackRender } = this.props; | ||
| return fallbackRender({ error, resetErrorBoundary: () => this.resetErrorBoundary() }); | ||
| } | ||
| if ('FallbackComponent' in this.props && this.props.FallbackComponent) { | ||
| const { FallbackComponent } = this.props; | ||
| return <FallbackComponent error={error} resetErrorBoundary={() => this.resetErrorBoundary()} />; | ||
| } | ||
| return null; | ||
| } | ||
| return this.props.children; | ||
| } | ||
|
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| resetErrorBoundary() { | ||
| this.setState({ error: null }); | ||
| const { onReset } = this.props; | ||
| onReset?.(); | ||
| } | ||
| } | ||
|
|
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| export default ErrorBoundary; |
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