264 lines
9.7 KiB
JavaScript
264 lines
9.7 KiB
JavaScript
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import "./require-hook";
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import "./node-polyfill-fetch";
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import "./node-polyfill-crypto";
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import * as log from "../build/output/log";
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import loadConfig from "./config";
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import path, { resolve } from "path";
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import { NON_STANDARD_NODE_ENV } from "../lib/constants";
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import { PHASE_DEVELOPMENT_SERVER, SERVER_FILES_MANIFEST } from "../shared/lib/constants";
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import { PHASE_PRODUCTION_SERVER } from "../shared/lib/constants";
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import { getTracer } from "./lib/trace/tracer";
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import { NextServerSpan } from "./lib/trace/constants";
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import { formatUrl } from "../shared/lib/router/utils/format-url";
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import { checkIsNodeDebugging } from "./lib/is-node-debugging";
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let ServerImpl;
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const getServerImpl = async ()=>{
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if (ServerImpl === undefined) {
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ServerImpl = (await Promise.resolve(require("./next-server"))).default;
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}
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return ServerImpl;
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};
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const SYMBOL_LOAD_CONFIG = Symbol("next.load_config");
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export class NextServer {
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constructor(options){
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this.options = options;
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}
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get hostname() {
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return this.options.hostname;
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}
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get port() {
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return this.options.port;
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}
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getRequestHandler() {
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return async (req, res, parsedUrl)=>{
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return getTracer().trace(NextServerSpan.getRequestHandler, async ()=>{
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const requestHandler = await this.getServerRequestHandler();
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return requestHandler(req, res, parsedUrl);
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});
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};
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}
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getUpgradeHandler() {
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return async (req, socket, head)=>{
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const server = await this.getServer();
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// @ts-expect-error we mark this as protected so it
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// causes an error here
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return server.handleUpgrade.apply(server, [
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req,
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socket,
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head
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]);
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};
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}
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setAssetPrefix(assetPrefix) {
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if (this.server) {
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this.server.setAssetPrefix(assetPrefix);
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} else {
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this.preparedAssetPrefix = assetPrefix;
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}
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}
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logError(...args) {
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if (this.server) {
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this.server.logError(...args);
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}
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}
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async render(...args) {
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const server = await this.getServer();
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return server.render(...args);
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}
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async renderToHTML(...args) {
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const server = await this.getServer();
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return server.renderToHTML(...args);
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}
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async renderError(...args) {
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const server = await this.getServer();
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return server.renderError(...args);
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}
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async renderErrorToHTML(...args) {
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const server = await this.getServer();
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return server.renderErrorToHTML(...args);
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}
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async render404(...args) {
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const server = await this.getServer();
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return server.render404(...args);
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}
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async prepare(serverFields) {
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if (this.standaloneMode) return;
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const server = await this.getServer();
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if (serverFields) {
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Object.assign(server, serverFields);
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}
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// We shouldn't prepare the server in production,
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// because this code won't be executed when deployed
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if (this.options.dev) {
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await server.prepare();
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}
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}
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async close() {
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const server = await this.getServer();
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return server.close();
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}
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async createServer(options) {
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let ServerImplementation;
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if (options.dev) {
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ServerImplementation = require("./dev/next-dev-server").default;
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} else {
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ServerImplementation = await getServerImpl();
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}
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const server = new ServerImplementation(options);
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return server;
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}
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async [SYMBOL_LOAD_CONFIG]() {
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const dir = resolve(this.options.dir || ".");
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const config = this.options.preloadedConfig || await loadConfig(this.options.dev ? PHASE_DEVELOPMENT_SERVER : PHASE_PRODUCTION_SERVER, dir, {
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customConfig: this.options.conf,
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silent: true
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});
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// check serialized build config when available
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if (process.env.NODE_ENV === "production") {
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try {
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const serializedConfig = require(path.join(dir, ".next", SERVER_FILES_MANIFEST)).config;
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// @ts-expect-error internal field
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config.experimental.isExperimentalCompile = serializedConfig.experimental.isExperimentalCompile;
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} catch (_) {
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// if distDir is customized we don't know until we
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// load the config so fallback to loading the config
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// from next.config.js
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}
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}
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return config;
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}
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async getServer() {
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if (!this.serverPromise) {
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this.serverPromise = this[SYMBOL_LOAD_CONFIG]().then(async (conf)=>{
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if (this.standaloneMode) {
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process.env.__NEXT_PRIVATE_STANDALONE_CONFIG = JSON.stringify(conf);
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}
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if (!this.options.dev) {
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if (conf.output === "standalone") {
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if (!process.env.__NEXT_PRIVATE_STANDALONE_CONFIG) {
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log.warn(`"next start" does not work with "output: standalone" configuration. Use "node .next/standalone/server.js" instead.`);
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}
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} else if (conf.output === "export") {
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throw new Error(`"next start" does not work with "output: export" configuration. Use "npx serve@latest out" instead.`);
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}
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}
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this.server = await this.createServer({
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...this.options,
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conf
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});
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if (this.preparedAssetPrefix) {
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this.server.setAssetPrefix(this.preparedAssetPrefix);
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}
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return this.server;
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});
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}
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return this.serverPromise;
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}
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async getServerRequestHandler() {
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if (this.reqHandler) return this.reqHandler;
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// Memoize request handler creation
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if (!this.reqHandlerPromise) {
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this.reqHandlerPromise = this.getServer().then((server)=>{
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this.reqHandler = getTracer().wrap(NextServerSpan.getServerRequestHandler, server.getRequestHandler().bind(server));
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delete this.reqHandlerPromise;
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return this.reqHandler;
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});
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}
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return this.reqHandlerPromise;
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}
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}
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class NextCustomServer extends NextServer {
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async prepare() {
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const { getRequestHandlers } = require("./lib/start-server");
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const isNodeDebugging = checkIsNodeDebugging();
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const initResult = await getRequestHandlers({
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dir: this.options.dir,
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port: this.options.port || 3000,
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isDev: !!this.options.dev,
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hostname: this.options.hostname || "localhost",
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minimalMode: this.options.minimalMode,
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isNodeDebugging: !!isNodeDebugging
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});
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this.requestHandler = initResult[0];
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this.upgradeHandler = initResult[1];
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}
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setupWebSocketHandler(customServer, _req) {
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if (!this.didWebSocketSetup) {
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var _this;
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this.didWebSocketSetup = true;
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customServer = customServer || ((_this = _req == null ? void 0 : _req.socket) == null ? void 0 : _this.server);
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if (customServer) {
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customServer.on("upgrade", async (req, socket, head)=>{
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this.upgradeHandler(req, socket, head);
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});
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}
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}
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}
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getRequestHandler() {
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return async (req, res, parsedUrl)=>{
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this.setupWebSocketHandler(this.options.httpServer, req);
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if (parsedUrl) {
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req.url = formatUrl(parsedUrl);
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}
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return this.requestHandler(req, res);
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};
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}
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async render(...args) {
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let [req, res, pathname, query, parsedUrl] = args;
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this.setupWebSocketHandler(this.options.httpServer, req);
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if (!pathname.startsWith("/")) {
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console.error(`Cannot render page with path "${pathname}"`);
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pathname = `/${pathname}`;
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}
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pathname = pathname === "/index" ? "/" : pathname;
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req.url = formatUrl({
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...parsedUrl,
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pathname,
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query
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});
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await this.requestHandler(req, res);
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return;
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}
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constructor(...args){
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super(...args);
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this.standaloneMode = true;
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this.didWebSocketSetup = false;
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}
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}
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// This file is used for when users run `require('next')`
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function createServer(options) {
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// The package is used as a TypeScript plugin.
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if (options && "typescript" in options && "version" in options.typescript) {
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return require("./next-typescript").createTSPlugin(options);
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}
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if (options == null) {
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throw new Error("The server has not been instantiated properly. https://nextjs.org/docs/messages/invalid-server-options");
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}
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if (!("isNextDevCommand" in options) && process.env.NODE_ENV && ![
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"production",
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"development",
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"test"
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].includes(process.env.NODE_ENV)) {
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log.warn(NON_STANDARD_NODE_ENV);
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}
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if (options.dev && typeof options.dev !== "boolean") {
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console.warn("Warning: 'dev' is not a boolean which could introduce unexpected behavior. https://nextjs.org/docs/messages/invalid-server-options");
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}
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// When the caller is a custom server (using next()).
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if (options.customServer !== false) {
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const dir = resolve(options.dir || ".");
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return new NextCustomServer({
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...options,
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dir
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});
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}
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// When the caller is Next.js internals (i.e. render worker, start server, etc)
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return new NextServer(options);
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}
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// Support commonjs `require('next')`
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module.exports = createServer;
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// exports = module.exports
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// Support `import next from 'next'`
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export default createServer;
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//# sourceMappingURL=next.js.map
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