File size: 4,665 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | import { stringifyCookie } from '../../web/spec-extension/cookies';
import { NextURL } from '../next-url';
import { toNodeOutgoingHttpHeaders, validateURL } from '../utils';
import { ReflectAdapter } from './adapters/reflect';
import { ResponseCookies } from './cookies';
const INTERNALS = Symbol('internal response');
const REDIRECTS = new Set([
301,
302,
303,
307,
308
]);
function handleMiddlewareField(init, headers) {
var _init_request;
if (init == null ? void 0 : (_init_request = init.request) == null ? void 0 : _init_request.headers) {
if (!(init.request.headers instanceof Headers)) {
throw new Error('request.headers must be an instance of Headers');
}
const keys = [];
for (const [key, value] of init.request.headers){
headers.set('x-middleware-request-' + key, value);
keys.push(key);
}
headers.set('x-middleware-override-headers', keys.join(','));
}
}
/**
* This class extends the [Web `Response` API](https://developer.mozilla.org/docs/Web/API/Response) with additional convenience methods.
*
* Read more: [Next.js Docs: `NextResponse`](https://nextjs.org/docs/app/api-reference/functions/next-response)
*/ export class NextResponse extends Response {
constructor(body, init = {}){
super(body, init);
const headers = this.headers;
const cookies = new ResponseCookies(headers);
const cookiesProxy = new Proxy(cookies, {
get (target, prop, receiver) {
switch(prop){
case 'delete':
case 'set':
{
return (...args)=>{
const result = Reflect.apply(target[prop], target, args);
const newHeaders = new Headers(headers);
if (result instanceof ResponseCookies) {
headers.set('x-middleware-set-cookie', result.getAll().map((cookie)=>stringifyCookie(cookie)).join(','));
}
handleMiddlewareField(init, newHeaders);
return result;
};
}
default:
return ReflectAdapter.get(target, prop, receiver);
}
}
});
this[INTERNALS] = {
cookies: cookiesProxy,
url: init.url ? new NextURL(init.url, {
headers: toNodeOutgoingHttpHeaders(headers),
nextConfig: init.nextConfig
}) : undefined
};
}
[Symbol.for('edge-runtime.inspect.custom')]() {
return {
cookies: this.cookies,
url: this.url,
// rest of props come from Response
body: this.body,
bodyUsed: this.bodyUsed,
headers: Object.fromEntries(this.headers),
ok: this.ok,
redirected: this.redirected,
status: this.status,
statusText: this.statusText,
type: this.type
};
}
get cookies() {
return this[INTERNALS].cookies;
}
static json(body, init) {
const response = Response.json(body, init);
return new NextResponse(response.body, response);
}
static redirect(url, init) {
const status = typeof init === 'number' ? init : (init == null ? void 0 : init.status) ?? 307;
if (!REDIRECTS.has(status)) {
throw new RangeError('Failed to execute "redirect" on "response": Invalid status code');
}
const initObj = typeof init === 'object' ? init : {};
const headers = new Headers(initObj == null ? void 0 : initObj.headers);
headers.set('Location', validateURL(url));
return new NextResponse(null, {
...initObj,
headers,
status
});
}
static rewrite(destination, init) {
const headers = new Headers(init == null ? void 0 : init.headers);
headers.set('x-middleware-rewrite', validateURL(destination));
handleMiddlewareField(init, headers);
return new NextResponse(null, {
...init,
headers
});
}
static next(init) {
const headers = new Headers(init == null ? void 0 : init.headers);
headers.set('x-middleware-next', '1');
handleMiddlewareField(init, headers);
return new NextResponse(null, {
...init,
headers
});
}
}
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