commit 4405475d670d755f6ddb76e098674a1ef5c7f672 · kitten.sh/fetch-nodeshim

.changeset/pink-flowers-wait.md

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       ---

     

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       'fetch-nodeshim': minor

     

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       ---

     

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       Add web standard type/globals re-exports and polyfill `File` from `node:buffer`.

+1 -1

package.json

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           "rollup-plugin-cjs-check": "^1.0.3",

     

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           "rollup-plugin-dts": "^6.1.1",

     

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           "typescript": "^5.7.3",

     

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           "undici-types": "^7.3.0",

     

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           "undici-types": "^6.20.0",

     

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           "vitest": "^3.0.4"

     

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         }

     

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       }

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pnpm-lock.yaml

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               specifier: ^5.7.3

     

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               version: 5.7.3

     

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             undici-types:

     

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               specifier: ^7.3.0

     

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               version: 7.3.0

     

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               specifier: ^6.20.0

     

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               version: 6.20.0

     

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             vitest:

     

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               specifier: ^3.0.4

     

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               version: 3.0.4(@types/node@22.12.0)(terser@5.37.0)(yaml@2.7.0)

     
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         undici-types@6.20.0:

     

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           resolution: {integrity: sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg==}

     

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         undici-types@7.3.0:

     

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           resolution: {integrity: sha512-z2pHpkN2BEJl3QlQo0GtfGCyuhuBbWX60vzGwyn7ex/seM2UkvyGEfEV0Qb9pXc5StNfcJpsstgaf2YTEJa63Q==}

     

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         universalify@0.1.2:

     

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           resolution: {integrity: sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==}

     
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             which-boxed-primitive: 1.1.1

     

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         undici-types@6.20.0: {}

     

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         undici-types@7.3.0: {}

     

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         universalify@0.1.2: {}

     

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src/fetch.ts

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       import { extractBody } from './body';

     

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       import { createContentDecoder } from './encoding';

     

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       import { URL, Request, RequestInit, Response } from './webstd';

     

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       /** Maximum allowed redirects (matching Chromium's limit) */

     

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       const MAX_REDIRECTS = 20;

     
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         return response;

     

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       }

     

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       export async function fetch(

     

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       async function _fetch(

     

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         input: string | URL | Request,

     

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         requestInit?: RequestInit

     

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       ): Promise<Response> {

     
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           signal,

     

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         } satisfies http.RequestOptions;

     

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         function _fetch(

     

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         function _call(

     

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           resolve: (response: Response | Promise<Response>) => void,

     

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           reject: (reason?: any) => void

     

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         ) {

     
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                   requestOptions,

     

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                   urlToHttpOptions((requestUrl = locationURL))

     

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                 );

     

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                 return _fetch(resolve, reject);

     

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                 return _call(resolve, reject);

     

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               }

     

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             }

     

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           }

     

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         }

     

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         return await new Promise(_fetch);

     

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         return await new Promise(_call);

     

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       }

     

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       export { _fetch as fetch };

src/index.ts

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       export { fetch, fetch as default } from './fetch';

     

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       export * from './webstd';

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src/webstd.ts

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       /// <reference types="@types/node" />

     

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       import * as buffer from 'node:buffer';

     

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       type Or<T, U> = void extends T ? U : T;

     

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       export type BodyInit =

     

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         | ArrayBuffer

     

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         | AsyncIterable<Uint8Array>

     

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         | Blob

     

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         | FormData

     

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         | Iterable<Uint8Array>

     

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         | NodeJS.ArrayBufferView

     

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         | URLSearchParams

     

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         | null

     

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         | string;

     

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       // See: https://nodejs.org/docs/latest-v20.x/api/globals.html#class-file

     

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       // The `File` global was only added in Node.js 20

     

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       interface _File extends Or<File, globalThis.File> {}

     

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       const _File: Or<typeof File, typeof buffer.File> = buffer.File;

     

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       if (typeof globalThis.File === 'undefined') {

     

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         globalThis.File = _File;

     

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       }

     

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       declare global {

     

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         var File: typeof _File;

     

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         // NOTE: In case undici was used, but its types aren't applied, this needs to be added

     

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         interface RequestInit {

     

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           duplex?: 'half';

     

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         }

     

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       }

     

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       // There be dragons here.

     

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       // This is complex because of overlapping definitions in lib.dom, @types/node, and undici-types

     

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       // Some types define and overload constructor interfaces with type interfaces

     

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       // Here, we have to account for global differences and split the overloads apart

     

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       interface _RequestInit extends Or<RequestInit, globalThis.RequestInit> {}

     

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       interface _ResponseInit extends Or<ResponseInit, globalThis.ResponseInit> {}

     

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       interface _URLSearchParams

     

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         extends Or<URLSearchParams, globalThis.URLSearchParams> {}

     

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       interface URLSearchParamsClass

     

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         extends Or<typeof URLSearchParams, typeof globalThis.URLSearchParams> {}

     

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       const _URLSearchParams: URLSearchParamsClass = URLSearchParams as any;

     

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       interface _URL extends Or<URL, globalThis.URL> {}

     

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       interface URLClass extends Or<typeof URL, typeof globalThis.URL> {}

     

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       const _URL: URLClass = URL;

     

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       interface _Request extends Or<Request, globalThis.Request> {}

     

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       interface RequestClass extends Or<typeof Request, typeof globalThis.Request> {}

     

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       const _Request: RequestClass = Request;

     

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       interface _Response extends Or<Response, globalThis.Response> {}

     

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       interface ResponseClass

     

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         extends Or<typeof Response, typeof globalThis.Response> {}

     

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       const _Response: ResponseClass = Response;

     

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       interface _Headers extends Or<Headers, globalThis.Headers> {}

     

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       interface HeadersClass extends Or<typeof Headers, typeof globalThis.Headers> {}

     

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       const _Headers: HeadersClass = Headers;

     

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       interface _FormData extends Or<FormData, globalThis.FormData> {}

     

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       interface FormDataClass

     

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         extends Or<typeof FormData, typeof globalThis.FormData> {}

     

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       const _FormData: FormDataClass = FormData;

     

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       export {

     

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         type _RequestInit as RequestInit,

     

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         type _ResponseInit as ResponseInit,

     

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         _File as File,

     

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         _URL as URL,

     

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         _URLSearchParams as URLSearchParams,

     

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         _Request as Request,

     

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         _Response as Response,

     

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         _Headers as Headers,

     

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         _FormData as FormData,

     

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       };