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import { default as nodeFetch, Headers, Request, Response } from 'node-fetch/src/index.js'
import Stream from 'node:stream'
import * as _ from './utils'
export { Headers, Request, Response }
export const fetch = {
fetch(resource: string | URL | Request, init?: Partial<FetchInit>): Promise<Response> {
const resourceURL = new URL(
_.__object_isPrototypeOf(Request.prototype, resource)
? (resource as Request).url
: _.pathToPosix(resource),
typeof Object(globalThis.process).cwd === 'function' ? 'file:' + _.pathToPosix(process.cwd()) + '/' : 'file:'
)
if (resourceURL.protocol.toLowerCase() === 'file:') {
return import('node:fs').then(
fs => {
try {
const stats = fs.statSync(resourceURL)
const body = fs.createReadStream(resourceURL)
return new Response(
body,
{
status: 200,
statusText: '',
headers: {
'content-length': String(stats.size),
'date': new Date().toUTCString(),
'last-modified': new Date(stats.mtimeMs).toUTCString(),
}
}
)
} catch (error) {
const body = new Stream.Readable()
body._read = () => {}
body.push(null)
return new Response(
body,
{
status: 404,
statusText: '',
headers: {
'date': new Date().toUTCString(),
}
}
)
}
}
)
} else {
return nodeFetch(resource, init)
}
}
}.fetch
type USVString = ({} & string)
interface FetchInit {
body: Blob | BufferSource | FormData | URLSearchParams | ReadableStream | USVString
cache: 'default' | 'no-store' | 'reload' | 'no-cache' | 'force-cache' | 'only-if-cached'
credentials: 'omit' | 'same-origin' | 'include'
headers: Headers | Record<string, string>
method: 'GET' | 'HEAD' | 'POST' | 'PUT' | 'DELETE' | 'CONNECT' | 'OPTIONS' | 'TRACE' | 'PATCH' | USVString
mode: 'cors' | 'no-cors' | 'same-origin' | USVString
redirect: 'follow' | 'manual' | 'error'
referrer: USVString
referrerPolicy: 'no-referrer' | 'no-referrer-when-downgrade' | 'same-origin' | 'origin' | 'strict-origin' | 'origin-when-cross-origin' | 'strict-origin-when-cross-origin' | 'unsafe-url'
integrity: USVString
keepalive: boolean
signal: AbortSignal
}
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