122 lines
4.6 KiB
JavaScript
122 lines
4.6 KiB
JavaScript
import { stringifyCookie } from "../../web/spec-extension/cookies";
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import { NextURL } from "../next-url";
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import { toNodeOutgoingHttpHeaders, validateURL } from "../utils";
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import { ReflectAdapter } from "./adapters/reflect";
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import { ResponseCookies } from "./cookies";
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const INTERNALS = Symbol("internal response");
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const REDIRECTS = new Set([
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301,
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302,
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303,
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307,
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308
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]);
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function handleMiddlewareField(init, headers) {
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var _init_request;
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if (init == null ? void 0 : (_init_request = init.request) == null ? void 0 : _init_request.headers) {
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if (!(init.request.headers instanceof Headers)) {
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throw new Error("request.headers must be an instance of Headers");
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}
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const keys = [];
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for (const [key, value] of init.request.headers){
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headers.set("x-middleware-request-" + key, value);
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keys.push(key);
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}
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headers.set("x-middleware-override-headers", keys.join(","));
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}
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}
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/**
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* This class extends the [Web `Response` API](https://developer.mozilla.org/docs/Web/API/Response) with additional convenience methods.
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*
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* Read more: [Next.js Docs: `NextResponse`](https://nextjs.org/docs/app/api-reference/functions/next-response)
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*/ export class NextResponse extends Response {
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constructor(body, init = {}){
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super(body, init);
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const headers = this.headers;
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const cookies = new ResponseCookies(headers);
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const cookiesProxy = new Proxy(cookies, {
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get (target, prop, receiver) {
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switch(prop){
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case "delete":
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case "set":
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{
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return (...args)=>{
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const result = Reflect.apply(target[prop], target, args);
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const newHeaders = new Headers(headers);
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if (result instanceof ResponseCookies) {
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headers.set("x-middleware-set-cookie", result.getAll().map((cookie)=>stringifyCookie(cookie)).join(","));
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}
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handleMiddlewareField(init, newHeaders);
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return result;
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};
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}
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default:
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return ReflectAdapter.get(target, prop, receiver);
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}
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}
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});
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this[INTERNALS] = {
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cookies: cookiesProxy,
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url: init.url ? new NextURL(init.url, {
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headers: toNodeOutgoingHttpHeaders(headers),
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nextConfig: init.nextConfig
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}) : undefined
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};
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}
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[Symbol.for("edge-runtime.inspect.custom")]() {
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return {
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cookies: this.cookies,
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url: this.url,
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// rest of props come from Response
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body: this.body,
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bodyUsed: this.bodyUsed,
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headers: Object.fromEntries(this.headers),
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ok: this.ok,
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redirected: this.redirected,
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status: this.status,
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statusText: this.statusText,
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type: this.type
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};
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}
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get cookies() {
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return this[INTERNALS].cookies;
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}
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static json(body, init) {
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const response = Response.json(body, init);
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return new NextResponse(response.body, response);
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}
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static redirect(url, init) {
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const status = typeof init === "number" ? init : (init == null ? void 0 : init.status) ?? 307;
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if (!REDIRECTS.has(status)) {
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throw new RangeError('Failed to execute "redirect" on "response": Invalid status code');
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}
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const initObj = typeof init === "object" ? init : {};
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const headers = new Headers(initObj == null ? void 0 : initObj.headers);
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headers.set("Location", validateURL(url));
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return new NextResponse(null, {
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...initObj,
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headers,
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status
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});
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}
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static rewrite(destination, init) {
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const headers = new Headers(init == null ? void 0 : init.headers);
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headers.set("x-middleware-rewrite", validateURL(destination));
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handleMiddlewareField(init, headers);
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return new NextResponse(null, {
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...init,
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headers
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});
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}
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static next(init) {
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const headers = new Headers(init == null ? void 0 : init.headers);
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headers.set("x-middleware-next", "1");
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handleMiddlewareField(init, headers);
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return new NextResponse(null, {
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...init,
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headers
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});
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}
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}
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//# sourceMappingURL=response.js.map
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