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@curveball/kernel

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Curveball is a framework writting in Typescript for Node.js

github.com/curveball/kernel

curveball/kernel

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import RequestInterface from './request.js'; /** * This method will check the following request headers: * * 1. If-Match * 2. If-None-Match * 3. If-Modified-Since * 4. If-Unmodified-Since * * To check these headers,v alues for lastModified and etag should be passed. * * The result of this function will return a suggested HTTP status. It will * return * * '200' if all the preconditions passed. * * '304' is a 'Not Modified' status should be returned, and * * '412' if a 'Precondition failed' error should be returned. */ export declare function conditionalCheck(request: RequestInterface, lastModified: Date | null, etag: string | null): 200 | 304 | 412;