if (performance.getEntriesByName("next-start").length === 0) {
    performance.mark("next-start");
}
import "../next";
import "../require-hook";
import fs from "fs";
import v8 from "v8";
import path from "path";
import http from "http";
import https from "https";
import os from "os";
import Watchpack from "next/dist/compiled/watchpack";
import * as Log from "../../build/output/log";
import setupDebug from "next/dist/compiled/debug";
import { RESTART_EXIT_CODE, checkNodeDebugType, getDebugPort } from "./utils";
import { formatHostname } from "./format-hostname";
import { initialize } from "./router-server";
import { CONFIG_FILES } from "../../shared/lib/constants";
import { getStartServerInfo, logStartInfo } from "./app-info-log";
import { validateTurboNextConfig } from "../../lib/turbopack-warning";
import { trace, flushAllTraces } from "../../trace";
import { isPostpone } from "./router-utils/is-postpone";
const debug = setupDebug("next:start-server");
let startServerSpan;
export async function getRequestHandlers({ dir, port, isDev, server, hostname, minimalMode, isNodeDebugging, keepAliveTimeout, experimentalHttpsServer }) {
    return initialize({
        dir,
        port,
        hostname,
        dev: isDev,
        minimalMode,
        server,
        isNodeDebugging: isNodeDebugging || false,
        keepAliveTimeout,
        experimentalHttpsServer,
        startServerSpan
    });
}
export async function startServer(serverOptions) {
    const { dir, isDev, hostname, minimalMode, allowRetry, keepAliveTimeout, selfSignedCertificate } = serverOptions;
    let { port } = serverOptions;
    process.title = `next-server (v${"14.2.6"})`;
    let handlersReady = ()=>{};
    let handlersError = ()=>{};
    let handlersPromise = new Promise((resolve, reject)=>{
        handlersReady = resolve;
        handlersError = reject;
    });
    let requestHandler = async (req, res)=>{
        if (handlersPromise) {
            await handlersPromise;
            return requestHandler(req, res);
        }
        throw new Error("Invariant request handler was not setup");
    };
    let upgradeHandler = async (req, socket, head)=>{
        if (handlersPromise) {
            await handlersPromise;
            return upgradeHandler(req, socket, head);
        }
        throw new Error("Invariant upgrade handler was not setup");
    };
    // setup server listener as fast as possible
    if (selfSignedCertificate && !isDev) {
        throw new Error("Using a self signed certificate is only supported with `next dev`.");
    }
    async function requestListener(req, res) {
        try {
            if (handlersPromise) {
                await handlersPromise;
                handlersPromise = undefined;
            }
            await requestHandler(req, res);
        } catch (err) {
            res.statusCode = 500;
            res.end("Internal Server Error");
            Log.error(`Failed to handle request for ${req.url}`);
            console.error(err);
        } finally{
            if (isDev) {
                if (v8.getHeapStatistics().used_heap_size > 0.8 * v8.getHeapStatistics().heap_size_limit) {
                    Log.warn(`Server is approaching the used memory threshold, restarting...`);
                    trace("server-restart-close-to-memory-threshold", undefined, {
                        "memory.heapSizeLimit": String(v8.getHeapStatistics().heap_size_limit),
                        "memory.heapUsed": String(v8.getHeapStatistics().used_heap_size)
                    }).stop();
                    await flushAllTraces();
                    process.exit(RESTART_EXIT_CODE);
                }
            }
        }
    }
    const server = selfSignedCertificate ? https.createServer({
        key: fs.readFileSync(selfSignedCertificate.key),
        cert: fs.readFileSync(selfSignedCertificate.cert)
    }, requestListener) : http.createServer(requestListener);
    if (keepAliveTimeout) {
        server.keepAliveTimeout = keepAliveTimeout;
    }
    server.on("upgrade", async (req, socket, head)=>{
        try {
            await upgradeHandler(req, socket, head);
        } catch (err) {
            socket.destroy();
            Log.error(`Failed to handle request for ${req.url}`);
            console.error(err);
        }
    });
    let portRetryCount = 0;
    server.on("error", (err)=>{
        if (allowRetry && port && isDev && err.code === "EADDRINUSE" && portRetryCount < 10) {
            Log.warn(`Port ${port} is in use, trying ${port + 1} instead.`);
            port += 1;
            portRetryCount += 1;
            server.listen(port, hostname);
        } else {
            Log.error(`Failed to start server`);
            console.error(err);
            process.exit(1);
        }
    });
    const nodeDebugType = checkNodeDebugType();
    await new Promise((resolve)=>{
        server.on("listening", async ()=>{
            const addr = server.address();
            const actualHostname = formatHostname(typeof addr === "object" ? (addr == null ? void 0 : addr.address) || hostname || "localhost" : addr);
            const formattedHostname = !hostname || actualHostname === "0.0.0.0" ? "localhost" : actualHostname === "[::]" ? "[::1]" : formatHostname(hostname);
            port = typeof addr === "object" ? (addr == null ? void 0 : addr.port) || port : port;
            const networkUrl = hostname ? `http://${actualHostname}:${port}` : null;
            const appUrl = `${selfSignedCertificate ? "https" : "http"}://${formattedHostname}:${port}`;
            if (nodeDebugType) {
                const debugPort = getDebugPort();
                Log.info(`the --${nodeDebugType} option was detected, the Next.js router server should be inspected at port ${debugPort}.`);
            }
            // expose the main port to render workers
            process.env.PORT = port + "";
            process.env.__NEXT_PRIVATE_ORIGIN = appUrl;
            // Only load env and config in dev to for logging purposes
            let envInfo;
            let expFeatureInfo;
            if (isDev) {
                const startServerInfo = await getStartServerInfo(dir, isDev);
                envInfo = startServerInfo.envInfo;
                expFeatureInfo = startServerInfo.expFeatureInfo;
            }
            logStartInfo({
                networkUrl,
                appUrl,
                envInfo,
                expFeatureInfo,
                maxExperimentalFeatures: 3
            });
            Log.event(`Starting...`);
            try {
                const cleanup = ()=>{
                    debug("start-server process cleanup");
                    server.close(()=>process.exit(0));
                };
                const exception = (err)=>{
                    if (isPostpone(err)) {
                        // React postpones that are unhandled might end up logged here but they're
                        // not really errors. They're just part of rendering.
                        return;
                    }
                    // This is the render worker, we keep the process alive
                    console.error(err);
                };
                // Make sure commands gracefully respect termination signals (e.g. from Docker)
                // Allow the graceful termination to be manually configurable
                if (!process.env.NEXT_MANUAL_SIG_HANDLE) {
                    process.on("SIGINT", cleanup);
                    process.on("SIGTERM", cleanup);
                }
                process.on("rejectionHandled", ()=>{
                // It is ok to await a Promise late in Next.js as it allows for better
                // prefetching patterns to avoid waterfalls. We ignore loggining these.
                // We should've already errored in anyway unhandledRejection.
                });
                process.on("uncaughtException", exception);
                process.on("unhandledRejection", exception);
                const initResult = await getRequestHandlers({
                    dir,
                    port,
                    isDev,
                    server,
                    hostname,
                    minimalMode,
                    isNodeDebugging: Boolean(nodeDebugType),
                    keepAliveTimeout,
                    experimentalHttpsServer: !!selfSignedCertificate
                });
                requestHandler = initResult[0];
                upgradeHandler = initResult[1];
                const startServerProcessDuration = performance.mark("next-start-end") && performance.measure("next-start-duration", "next-start", "next-start-end").duration;
                handlersReady();
                const formatDurationText = startServerProcessDuration > 2000 ? `${Math.round(startServerProcessDuration / 100) / 10}s` : `${Math.round(startServerProcessDuration)}ms`;
                Log.event(`Ready in ${formatDurationText}`);
                if (process.env.TURBOPACK) {
                    await validateTurboNextConfig({
                        dir: serverOptions.dir,
                        isDev: true
                    });
                }
            } catch (err) {
                // fatal error if we can't setup
                handlersError();
                console.error(err);
                process.exit(1);
            }
            resolve();
        });
        server.listen(port, hostname);
    });
    if (isDev) {
        function watchConfigFiles(dirToWatch, onChange) {
            const wp = new Watchpack();
            wp.watch({
                files: CONFIG_FILES.map((file)=>path.join(dirToWatch, file))
            });
            wp.on("change", onChange);
        }
        watchConfigFiles(dir, async (filename)=>{
            if (process.env.__NEXT_DISABLE_MEMORY_WATCHER) {
                Log.info(`Detected change, manual restart required due to '__NEXT_DISABLE_MEMORY_WATCHER' usage`);
                return;
            }
            Log.warn(`Found a change in ${path.basename(filename)}. Restarting the server to apply the changes...`);
            process.exit(RESTART_EXIT_CODE);
        });
    }
}
if (process.env.NEXT_PRIVATE_WORKER && process.send) {
    process.addListener("message", async (msg)=>{
        if (msg && typeof msg && msg.nextWorkerOptions && process.send) {
            startServerSpan = trace("start-dev-server", undefined, {
                cpus: String(os.cpus().length),
                platform: os.platform(),
                "memory.freeMem": String(os.freemem()),
                "memory.totalMem": String(os.totalmem()),
                "memory.heapSizeLimit": String(v8.getHeapStatistics().heap_size_limit)
            });
            await startServerSpan.traceAsyncFn(()=>startServer(msg.nextWorkerOptions));
            const memoryUsage = process.memoryUsage();
            startServerSpan.setAttribute("memory.rss", String(memoryUsage.rss));
            startServerSpan.setAttribute("memory.heapTotal", String(memoryUsage.heapTotal));
            startServerSpan.setAttribute("memory.heapUsed", String(memoryUsage.heapUsed));
            process.send({
                nextServerReady: true
            });
        }
    });
    process.send({
        nextWorkerReady: true
    });
}

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