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import type { IncomingHttpHeaders } from 'http'
import { MockedRequest } from '../../../server/lib/mock-request'
import { NodeNextRequest } from '../../../server/base-http/node'
import type { BaseNextRequest } from '../../../server/base-http'
import type { NextResponse } from '../../../server/web/exports'
import { parseUrl } from '../../../lib/url'
export function constructRequest({
url,
headers = {},
cookies = {},
}: {
url: string
headers?: IncomingHttpHeaders
cookies?: Record<string, string>
}): BaseNextRequest {
if (!headers) {
headers = {}
}
if (!headers.host) {
headers.host = parseUrl(url)?.host
}
if (cookies) {
headers = {
...headers,
cookie: Object.entries(cookies)
.map(([name, value]) => `${name}=${value}`)
.join(';'),
}
}
return new NodeNextRequest(new MockedRequest({ url, headers, method: 'GET' }))
}
/**
* Returns the URL of the redirect if the response is a redirect response or
* returns null if the response is not.
*/
export function getRedirectUrl(response: NextResponse): string | null {
return response.headers.get('location')
}
/**
* Checks whether the provided response is a rewrite response to a different
* URL.
*/
export function isRewrite(response: NextResponse): boolean {
return Boolean(getRewrittenUrl(response))
}
/**
* Returns the URL of the response rewrite if the response is a rewrite, or
* returns null if the response is not.
*/
export function getRewrittenUrl(response: NextResponse): string | null {
return response.headers.get('x-middleware-rewrite')
}
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