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