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fastify

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Fast and low overhead web framework, for Node.js

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import * as http from 'http' import * as http2 from 'http2' import * as https from 'https' /** * Standard HTTP method strings */ type _HTTPMethods = 'DELETE' | 'GET' | 'HEAD' | 'PATCH' | 'POST' | 'PUT' | 'OPTIONS' | 'PROPFIND' | 'PROPPATCH' | 'MKCOL' | 'COPY' | 'MOVE' | 'LOCK' | 'UNLOCK' | 'TRACE' | 'SEARCH' | 'REPORT' | 'MKCALENDAR' export type HTTPMethods = Uppercase<_HTTPMethods> | Lowercase<_HTTPMethods> /** * A union type of the Node.js server types from the http, https, and http2 modules. */ export type RawServerBase = http.Server | https.Server | http2.Http2Server | http2.Http2SecureServer /** * The default server type */ export type RawServerDefault = http.Server /** * The default request type based on the server type. Utilizes generic constraining. */ export type RawRequestDefaultExpression< RawServer extends RawServerBase = RawServerDefault, > = RawServer extends http.Server | https.Server ? http.IncomingMessage : RawServer extends http2.Http2Server | http2.Http2SecureServer ? http2.Http2ServerRequest : never /** * The default reply type based on the server type. Utilizes generic constraining. */ export type RawReplyDefaultExpression< RawServer extends RawServerBase = RawServerDefault > = RawServer extends http.Server | https.Server ? http.ServerResponse : RawServer extends http2.Http2Server | http2.Http2SecureServer ? http2.Http2ServerResponse : never export type RequestBodyDefault = unknown export type RequestQuerystringDefault = unknown export type RequestParamsDefault = unknown export type RequestHeadersDefault = unknown export type ContextConfigDefault = unknown export type ReplyDefault = unknown /** * Helpers for determining the type of the response payload based on the code */ type StringAsNumber<T extends string> = T extends `${infer N extends number}` ? N : never; type CodeClasses = 1 | 2 | 3 | 4 | 5; type Digit = 0 |1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9; type HttpCodes = StringAsNumber<`${CodeClasses}${Digit}${Digit}`>; type HttpKeys = HttpCodes | `${Digit}xx`; export type StatusCodeReply = { // eslint-disable-next-line no-unused-vars [Key in HttpKeys]?: unknown; }; // weird TS quirk: https://stackoverflow.com/questions/58977876/generic-conditional-type-resolves-to-never-when-the-generic-type-is-set-to-never export type ReplyKeysToCodes<Key> = [Key] extends [never] ? number : Key extends HttpCodes ? Key : Key extends `${infer X extends CodeClasses}xx` ? StringAsNumber<`${X}${Digit}${Digit}`> : number; export type CodeToReplyKey<Code extends number> = `${Code}` extends `${infer FirstDigit extends CodeClasses}${number}` ? `${FirstDigit}xx` : never; export type RecordKeysToLowercase<Input> = Input extends Record<string, unknown> ? { [Key in keyof Input as Key extends string ? Lowercase<Key> : Key ]: Input[Key]; } : Input; type OmitIndexSignature<T> = { [K in keyof T as string extends K ? never : number extends K ? never : K]: T[K]; }; /** * HTTP header strings * Use this type only for input values, not for output values. */ export type HttpHeader = keyof OmitIndexSignature<http.OutgoingHttpHeaders> | (string & Record<never, never>); // cheat for similar (same?) behavior as NoInfer but for TS <5.4 export type NoInferCompat<SC> = { [K in keyof SC]: SC[K] };