scrap/node_modules/next/dist/client/components/router-reducer/fetch-server-response.js

"use client";

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "fetchServerResponse", {
    enumerable: true,
    get: function() {
        return fetchServerResponse;
    }
});
const _approuterheaders = require("../app-router-headers");
const _approuter = require("../app-router");
const _appcallserver = require("../../app-call-server");
const _routerreducertypes = require("./router-reducer-types");
const _hash = require("../../../shared/lib/hash");
// @ts-ignore
// eslint-disable-next-line import/no-extraneous-dependencies
// import { createFromFetch } from 'react-server-dom-webpack/client'
const { createFromFetch } = !!process.env.NEXT_RUNTIME ? require("react-server-dom-webpack/client.edge") : require("react-server-dom-webpack/client");
function doMpaNavigation(url) {
    return [
        (0, _approuter.urlToUrlWithoutFlightMarker)(url).toString(),
        undefined,
        false,
        false
    ];
}
async function fetchServerResponse(url, flightRouterState, nextUrl, currentBuildId, prefetchKind) {
    const headers = {
        // Enable flight response
        [_approuterheaders.RSC_HEADER]: "1",
        // Provide the current router state
        [_approuterheaders.NEXT_ROUTER_STATE_TREE]: encodeURIComponent(JSON.stringify(flightRouterState))
    };
    /**
   * Three cases:
   * - `prefetchKind` is `undefined`, it means it's a normal navigation, so we want to prefetch the page data fully
   * - `prefetchKind` is `full` - we want to prefetch the whole page so same as above
   * - `prefetchKind` is `auto` - if the page is dynamic, prefetch the page data partially, if static prefetch the page data fully
   */ if (prefetchKind === _routerreducertypes.PrefetchKind.AUTO) {
        headers[_approuterheaders.NEXT_ROUTER_PREFETCH_HEADER] = "1";
    }
    if (nextUrl) {
        headers[_approuterheaders.NEXT_URL] = nextUrl;
    }
    if (process.env.NEXT_DEPLOYMENT_ID) {
        headers["x-deployment-id"] = process.env.NEXT_DEPLOYMENT_ID;
    }
    const uniqueCacheQuery = (0, _hash.hexHash)([
        headers[_approuterheaders.NEXT_ROUTER_PREFETCH_HEADER] || "0",
        headers[_approuterheaders.NEXT_ROUTER_STATE_TREE],
        headers[_approuterheaders.NEXT_URL]
    ].join(","));
    try {
        var _res_headers_get;
        let fetchUrl = new URL(url);
        if (process.env.NODE_ENV === "production") {
            if (process.env.__NEXT_CONFIG_OUTPUT === "export") {
                if (fetchUrl.pathname.endsWith("/")) {
                    fetchUrl.pathname += "index.txt";
                } else {
                    fetchUrl.pathname += ".txt";
                }
            }
        }
        // Add unique cache query to avoid caching conflicts on CDN which don't respect to Vary header
        fetchUrl.searchParams.set(_approuterheaders.NEXT_RSC_UNION_QUERY, uniqueCacheQuery);
        const res = await fetch(fetchUrl, {
            // Backwards compat for older browsers. `same-origin` is the default in modern browsers.
            credentials: "same-origin",
            headers
        });
        const responseUrl = (0, _approuter.urlToUrlWithoutFlightMarker)(res.url);
        const canonicalUrl = res.redirected ? responseUrl : undefined;
        const contentType = res.headers.get("content-type") || "";
        const postponed = !!res.headers.get(_approuterheaders.NEXT_DID_POSTPONE_HEADER);
        const interception = !!((_res_headers_get = res.headers.get("vary")) == null ? void 0 : _res_headers_get.includes(_approuterheaders.NEXT_URL));
        let isFlightResponse = contentType === _approuterheaders.RSC_CONTENT_TYPE_HEADER;
        if (process.env.NODE_ENV === "production") {
            if (process.env.__NEXT_CONFIG_OUTPUT === "export") {
                if (!isFlightResponse) {
                    isFlightResponse = contentType.startsWith("text/plain");
                }
            }
        }
        // If fetch returns something different than flight response handle it like a mpa navigation
        // If the fetch was not 200, we also handle it like a mpa navigation
        if (!isFlightResponse || !res.ok) {
            // in case the original URL came with a hash, preserve it before redirecting to the new URL
            if (url.hash) {
                responseUrl.hash = url.hash;
            }
            return doMpaNavigation(responseUrl.toString());
        }
        // Handle the `fetch` readable stream that can be unwrapped by `React.use`.
        const [buildId, flightData] = await createFromFetch(Promise.resolve(res), {
            callServer: _appcallserver.callServer
        });
        if (currentBuildId !== buildId) {
            return doMpaNavigation(res.url);
        }
        return [
            flightData,
            canonicalUrl,
            postponed,
            interception
        ];
    } catch (err) {
        console.error("Failed to fetch RSC payload for " + url + ". Falling back to browser navigation.", err);
        // If fetch fails handle it like a mpa navigation
        // TODO-APP: Add a test for the case where a CORS request fails, e.g. external url redirect coming from the response.
        // See https://github.com/vercel/next.js/issues/43605#issuecomment-1451617521 for a reproduction.
        return [
            url.toString(),
            undefined,
            false,
            false
        ];
    }
}

if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
  Object.defineProperty(exports.default, '__esModule', { value: true });
  Object.assign(exports.default, exports);
  module.exports = exports.default;
}

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