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Original file line number | Diff line number | Diff line change |
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import fetchRetry from "fetch-retry"; | ||
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interface MakeSolidFetchOptions { | ||
/** | ||
* return false if the response should be retried | ||
*/ | ||
verifyResponse: (response: unknown) => Promise<boolean>; | ||
} | ||
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// @note: returns already parsed response | ||
type SolidFetch = (input: string, init?: RequestInit) => Promise<unknown>; | ||
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export function makeSolidFetch(opts: MakeSolidFetchOptions): SolidFetch { | ||
const solidFetch = fetchRetry(self.fetch, { | ||
retries: 3, | ||
async retryOn(_attempt, error, response) { | ||
const retry = error !== null || !response?.ok; | ||
if (retry) { | ||
// eslint-disable-next-line no-console | ||
console.log("Retrying failed fetch", { | ||
error, | ||
status: response?.status, | ||
}); | ||
} | ||
// if we have a response, we verify it and decide if we should retry | ||
if (!retry) { | ||
const responseJson = await response.clone().json(); | ||
const verified = await opts.verifyResponse(responseJson); | ||
if (!verified) { | ||
console.log("Response verification failed, retrying..."); | ||
} | ||
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return !verified; | ||
} | ||
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return true; | ||
}, | ||
retryDelay: function (attempt) { | ||
return Math.pow(2, attempt) * 1000; | ||
}, | ||
}); | ||
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return (input: string, init?: RequestInit) => | ||
solidFetch(input, init).then((response) => response.json()); | ||
} |
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