/opt/canhelp/node_modules/next/dist/esm/server
Edit: /opt/canhelp/node_modules/next/dist/esm/server/send-response.js (3040B)
import { isNodeNextResponse } from './base-http/helpers';
import { pipeToNodeResponse } from './pipe-readable';
import { splitCookiesString } from './web/utils';
/**
* Sends the response on the underlying next response object.
*
* @param req the underlying request object
* @param res the underlying response object
* @param response the response to send
*/ export async function sendResponse(req, res, response, waitUntil) {
if (// The type check here ensures that `req` is correctly typed, and the
// environment variable check provides dead code elimination.
process.env.NEXT_RUNTIME !== 'edge' && isNodeNextResponse(res)) {
var // Copy over the response headers.
_response_headers;
// Copy over the response status.
res.statusCode = response.status;
res.statusMessage = response.statusText;
// TODO: this is not spec-compliant behavior and we should not restrict
// headers that are allowed to appear many times.
//
// See:
// https://github.com/vercel/next.js/pull/70127
const headersWithMultipleValuesAllowed = [
// can add more headers to this list if needed
'set-cookie',
'www-authenticate',
'proxy-authenticate',
'vary'
];
(_response_headers = response.headers) == null ? void 0 : _response_headers.forEach((value, name)=>{
// `x-middleware-set-cookie` is an internal header not needed for the response
if (name.toLowerCase() === 'x-middleware-set-cookie') {
return;
}
// The append handling is special cased for `set-cookie`.
if (name.toLowerCase() === 'set-cookie') {
// TODO: (wyattjoh) replace with native response iteration when we can upgrade undici
for (const cookie of splitCookiesString(value)){
res.appendHeader(name, cookie);
}
} else {
// only append the header if it is either not present in the outbound response
// or if the header supports multiple values
const isHeaderPresent = typeof res.getHeader(name) !== 'undefined';
if (headersWithMultipleValuesAllowed.includes(name.toLowerCase()) || !isHeaderPresent) {
res.appendHeader(name, value);
}
}
});
/**
* The response can't be directly piped to the underlying response. The
* following is duplicated from the edge runtime handler.
*
* See packages/next/server/next-server.ts
*/ const { originalResponse } = res;
// A response body must not be sent for HEAD requests. See https://httpwg.org/specs/rfc9110.html#HEAD
if (response.body && req.method !== 'HEAD') {
await pipeToNodeResponse(response.body, originalResponse, waitUntil);
} else {
originalResponse.end();
}
}
}
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