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Handle Fetch API error
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| class HTTPError extends Error { | |
| constructor(public response: Response) { | |
| super(response.statusText) | |
| this.name = 'HTTPError' | |
| } | |
| } | |
| const abortController = new AbortController() | |
| try { | |
| const response = await fetch('/my-endpoint', { | |
| signal: abortController.signal, | |
| }) | |
| if (response.ok) { | |
| const data = await response.json() | |
| // Handle data | |
| } else { | |
| throw new HTTPError(response) | |
| } | |
| } catch (error) { | |
| if (error instanceof TypeError) { | |
| // Handle network error | |
| } else if (error instanceof SyntaxError) { | |
| // Handle JSON parsing error | |
| } else if (error instanceof DOMException) { | |
| // Handle abort error | |
| } else if (error instanceof HTTPError) { | |
| // Handle HTTP error | |
| if (error.response.status === 404) { | |
| // Handle 404 error | |
| } | |
| } | |
| } |
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