next
Version:
The React Framework
72 lines (71 loc) • 2.32 kB
JavaScript
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "setRevalidateHeaders", {
enumerable: true,
get: function() {
return _revalidateHeaders.setRevalidateHeaders;
}
});
exports.sendRenderResult = sendRenderResult;
exports.sendEtagResponse = sendEtagResponse;
var _utils = require("../../shared/lib/utils");
var _etag = require("../lib/etag");
var _fresh = _interopRequireDefault(require("next/dist/compiled/fresh"));
var _revalidateHeaders = require("./revalidate-headers");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
async function sendRenderResult({ req , res , result , type , generateEtags , poweredByHeader , options }) {
if ((0, _utils).isResSent(res)) {
return;
}
if (poweredByHeader && type === "html") {
res.setHeader("X-Powered-By", "Next.js");
}
const payload = result.isDynamic() ? null : await result.toUnchunkedString();
if (payload) {
const etag = generateEtags ? (0, _etag).generateETag(payload) : undefined;
if (sendEtagResponse(req, res, etag)) {
return;
}
}
if (!res.getHeader("Content-Type")) {
res.setHeader("Content-Type", type === "json" ? "application/json" : "text/html; charset=utf-8");
}
if (payload) {
res.setHeader("Content-Length", Buffer.byteLength(payload));
}
if (options != null) {
(0, _revalidateHeaders).setRevalidateHeaders(res, options);
}
if (req.method === "HEAD") {
res.end(null);
} else if (payload) {
res.end(payload);
} else {
await result.pipe(res);
}
}
function sendEtagResponse(req, res, etag) {
if (etag) {
/**
* The server generating a 304 response MUST generate any of the
* following header fields that would have been sent in a 200 (OK)
* response to the same request: Cache-Control, Content-Location, Date,
* ETag, Expires, and Vary. https://tools.ietf.org/html/rfc7232#section-4.1
*/ res.setHeader("ETag", etag);
}
if ((0, _fresh).default(req.headers, {
etag
})) {
res.statusCode = 304;
res.end();
return true;
}
return false;
}
//# sourceMappingURL=index.js.map
;