328 lines
12 KiB
JavaScript
328 lines
12 KiB
JavaScript
import './require-hook';
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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 { AsyncCallbackSet } from './lib/async-callback-set';
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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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/** The wrapper server used by `next start` */ 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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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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if (this.server) {
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await this.server.close();
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}
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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 = 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 (!this.options.dev) {
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try {
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const serializedConfig = require(path.join(dir, config.distDir, 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.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 Object.defineProperty(new Error(`"next start" does not work with "output: export" configuration. Use "npx serve@latest out" instead.`), "__NEXT_ERROR_CODE", {
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value: "E375",
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enumerable: false,
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configurable: true
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});
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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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/** The wrapper server used for `import next from "next" (in a custom server)` */ class NextCustomServer {
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constructor(options){
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this.didWebSocketSetup = false;
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this.options = options;
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}
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getInit() {
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if (!this.init) {
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throw Object.defineProperty(new Error('prepare() must be called before performing this operation'), "__NEXT_ERROR_CODE", {
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value: "E355",
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enumerable: false,
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configurable: true
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});
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}
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return this.init;
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}
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get requestHandler() {
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return this.getInit().requestHandler;
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}
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get upgradeHandler() {
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return this.getInit().upgradeHandler;
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}
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get server() {
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return this.getInit().server;
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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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async prepare() {
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const { getRequestHandlers } = require('./lib/start-server');
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let onDevServerCleanup;
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if (this.options.dev) {
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this.cleanupListeners = new AsyncCallbackSet();
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onDevServerCleanup = this.cleanupListeners.add.bind(this.cleanupListeners);
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}
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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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onDevServerCleanup,
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hostname: this.options.hostname || 'localhost',
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minimalMode: this.options.minimalMode,
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quiet: this.options.quiet
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});
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this.init = initResult;
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}
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setupWebSocketHandler(customServer, _req) {
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if (!this.didWebSocketSetup) {
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var _req_socket;
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this.didWebSocketSetup = true;
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customServer = customServer || (_req == null ? void 0 : (_req_socket = _req.socket) == null ? void 0 : _req_socket.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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setAssetPrefix(assetPrefix) {
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this.server.setAssetPrefix(assetPrefix);
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}
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getUpgradeHandler() {
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return this.server.getUpgradeHandler();
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}
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logError(...args) {
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this.server.logError(...args);
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}
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async renderToHTML(...args) {
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return this.server.renderToHTML(...args);
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}
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async renderError(...args) {
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return this.server.renderError(...args);
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}
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async renderErrorToHTML(...args) {
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return this.server.renderErrorToHTML(...args);
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}
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async render404(...args) {
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return this.server.render404(...args);
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}
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async close() {
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var _this_init, _this_cleanupListeners;
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await Promise.allSettled([
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(_this_init = this.init) == null ? void 0 : _this_init.server.close(),
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(_this_cleanupListeners = this.cleanupListeners) == null ? void 0 : _this_cleanupListeners.runAll()
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]);
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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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if (options && (options.turbo || options.turbopack || process.env.IS_TURBOPACK_TEST)) {
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process.env.TURBOPACK = '1';
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}
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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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const pluginMod = require('./next-typescript');
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return pluginMod.createTSPlugin(options);
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}
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if (options == null) {
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throw Object.defineProperty(new Error('The server has not been instantiated properly. https://nextjs.org/docs/messages/invalid-server-options'), "__NEXT_ERROR_CODE", {
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value: "E75",
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enumerable: false,
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configurable: true
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});
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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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