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refactor: extracted static functions to a single file
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| import type { Method } from 'axios'; | ||
| import type { CachedResponse, CacheProperties, StaleStorageValue } from '..'; | ||
| import type { CacheAxiosResponse, CacheRequestConfig } from '../cache/axios'; | ||
| import { Header } from '../util/headers'; | ||
|
|
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| /** | ||
| * Creates a new validateStatus function that will use the one already used and also | ||
| * accept status code 304. | ||
| */ | ||
| export function createValidateStatus( | ||
| oldValidate?: CacheRequestConfig['validateStatus'] | ||
| ): (status: number) => boolean { | ||
| return oldValidate | ||
| ? (status) => oldValidate(status) || status === 304 | ||
| : (status) => (status >= 200 && status < 300) || status === 304; | ||
| } | ||
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| /** Checks if the given method is in the methods array */ | ||
| export function isMethodIn(requestMethod: Method, methodList: Method[] = []): boolean { | ||
| requestMethod = requestMethod.toLowerCase() as Lowercase<Method>; | ||
|
|
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| for (const method of methodList) { | ||
| if (method.toLowerCase() === requestMethod) { | ||
| return true; | ||
| } | ||
| } | ||
|
|
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| return false; | ||
| } | ||
|
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| export type ConfigWithCache<D> = CacheRequestConfig<D> & { | ||
| cache: Partial<CacheProperties>; | ||
| }; | ||
|
|
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| export function setRevalidationHeaders<D>( | ||
| cache: StaleStorageValue, | ||
| config: ConfigWithCache<D> | ||
| ): void { | ||
| config.headers ||= {}; | ||
|
|
||
| const { etag, modifiedSince } = config.cache; | ||
|
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| if (etag) { | ||
| const etagValue = etag === true ? cache.data?.headers[Header.ETag] : etag; | ||
| if (etagValue) { | ||
| config.headers[Header.IfNoneMatch] = etagValue; | ||
| } | ||
| } | ||
|
|
||
| if (modifiedSince) { | ||
| config.headers[Header.IfModifiedSince] = | ||
| modifiedSince === true | ||
| ? // If last-modified is not present, use the createdAt timestamp | ||
| cache.data.headers[Header.LastModified] || | ||
| new Date(cache.createdAt).toUTCString() | ||
| : modifiedSince.toUTCString(); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Creates the new date to the cache by the provided response. Also handles possible 304 | ||
| * Not Modified by updating response properties. | ||
| */ | ||
| export function setupCacheData<R, D>( | ||
| response: CacheAxiosResponse<R, D>, | ||
| cache?: CachedResponse | ||
| ): CachedResponse { | ||
| if (response.status === 304 && cache) { | ||
| // Set the cache information into the response object | ||
| response.cached = true; | ||
| response.data = cache.data; | ||
| response.status = cache.status; | ||
| response.statusText = cache.statusText; | ||
|
|
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| // Update possible new headers | ||
| response.headers = { | ||
| ...cache.headers, | ||
| ...response.headers | ||
| }; | ||
|
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| // return the old cache | ||
| return cache; | ||
| } | ||
|
|
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| // New Response | ||
| return { | ||
| data: response.data, | ||
| status: response.status, | ||
| statusText: response.statusText, | ||
| headers: response.headers | ||
| }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| import { createValidateStatus } from '../../src/interceptors/util'; | ||
|
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| describe('test util functions', () => { | ||
| it('tests validate-status function', async () => { | ||
| const def = createValidateStatus(); | ||
| expect(def(200)).toBe(true); | ||
| expect(def(345)).toBe(false); | ||
| expect(def(304)).toBe(true); | ||
|
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| const only200 = createValidateStatus((s) => s >= 200 && s < 300); | ||
| expect(only200(200)).toBe(true); | ||
| expect(only200(299)).toBe(true); | ||
| expect(only200(304)).toBe(true); | ||
| expect(only200(345)).toBe(false); | ||
|
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| const randomValue = createValidateStatus((s) => s >= 405 && s <= 410); | ||
| expect(randomValue(200)).toBe(false); | ||
| expect(randomValue(404)).toBe(false); | ||
| expect(randomValue(405)).toBe(true); | ||
| expect(randomValue(304)).toBe(true); | ||
| }); | ||
| }); |