233 lines
10 KiB
JavaScript
233 lines
10 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.NestFactory = exports.NestFactoryStatic = void 0;
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const console_logger_service_1 = require("@nestjs/common/services/console-logger.service");
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const logger_service_1 = require("@nestjs/common/services/logger.service");
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const load_package_util_1 = require("@nestjs/common/utils/load-package.util");
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const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
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const application_config_1 = require("./application-config");
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const constants_1 = require("./constants");
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const exceptions_zone_1 = require("./errors/exceptions-zone");
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const load_adapter_1 = require("./helpers/load-adapter");
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const rethrow_1 = require("./helpers/rethrow");
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const container_1 = require("./injector/container");
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const injector_1 = require("./injector/injector");
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const instance_loader_1 = require("./injector/instance-loader");
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const graph_inspector_1 = require("./inspector/graph-inspector");
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const noop_graph_inspector_1 = require("./inspector/noop-graph-inspector");
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const uuid_factory_1 = require("./inspector/uuid-factory");
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const metadata_scanner_1 = require("./metadata-scanner");
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const nest_application_1 = require("./nest-application");
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const nest_application_context_1 = require("./nest-application-context");
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const scanner_1 = require("./scanner");
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/**
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* @publicApi
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*/
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class NestFactoryStatic {
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constructor() {
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this.logger = new logger_service_1.Logger('NestFactory', {
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timestamp: true,
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});
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this.abortOnError = true;
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this.autoFlushLogs = false;
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}
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async create(moduleCls, serverOrOptions, options) {
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const [httpServer, appOptions] = this.isHttpServer(serverOrOptions)
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? [serverOrOptions, options]
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: [this.createHttpAdapter(), serverOrOptions];
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const applicationConfig = new application_config_1.ApplicationConfig();
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const container = new container_1.NestContainer(applicationConfig, appOptions);
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const graphInspector = this.createGraphInspector(appOptions, container);
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this.setAbortOnError(serverOrOptions, options);
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this.registerLoggerConfiguration(appOptions);
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await this.initialize(moduleCls, container, graphInspector, applicationConfig, appOptions, httpServer);
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const instance = new nest_application_1.NestApplication(container, httpServer, applicationConfig, graphInspector, appOptions);
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const target = this.createNestInstance(instance);
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return this.createAdapterProxy(target, httpServer);
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}
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/**
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* Creates an instance of NestMicroservice.
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*
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* @param moduleCls Entry (root) application module class
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* @param options Optional microservice configuration
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*
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* @returns A promise that, when resolved,
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* contains a reference to the NestMicroservice instance.
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*/
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async createMicroservice(moduleCls, options) {
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const { NestMicroservice } = (0, load_package_util_1.loadPackage)('@nestjs/microservices', 'NestFactory', () => require('@nestjs/microservices'));
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const applicationConfig = new application_config_1.ApplicationConfig();
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const container = new container_1.NestContainer(applicationConfig, options);
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const graphInspector = this.createGraphInspector(options, container);
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this.setAbortOnError(options);
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this.registerLoggerConfiguration(options);
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await this.initialize(moduleCls, container, graphInspector, applicationConfig, options);
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return this.createNestInstance(new NestMicroservice(container, options, graphInspector, applicationConfig));
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}
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/**
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* Creates an instance of NestApplicationContext.
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*
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* @param moduleCls Entry (root) application module class
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* @param options Optional Nest application configuration
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*
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* @returns A promise that, when resolved,
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* contains a reference to the NestApplicationContext instance.
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*/
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async createApplicationContext(moduleCls, options) {
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const applicationConfig = new application_config_1.ApplicationConfig();
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const container = new container_1.NestContainer(applicationConfig, options);
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const graphInspector = this.createGraphInspector(options, container);
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this.setAbortOnError(options);
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this.registerLoggerConfiguration(options);
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await this.initialize(moduleCls, container, graphInspector, applicationConfig, options);
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const modules = container.getModules().values();
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const root = modules.next().value;
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const context = this.createNestInstance(new nest_application_context_1.NestApplicationContext(container, options, root));
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if (this.autoFlushLogs) {
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context.flushLogsOnOverride();
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}
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return context.init();
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}
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createNestInstance(instance) {
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return this.createProxy(instance);
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}
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async initialize(module, container, graphInspector, config = new application_config_1.ApplicationConfig(), options = {}, httpServer = null) {
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uuid_factory_1.UuidFactory.mode = options.snapshot
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? uuid_factory_1.UuidFactoryMode.Deterministic
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: uuid_factory_1.UuidFactoryMode.Random;
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const injector = new injector_1.Injector({
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preview: options.preview,
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instanceDecorator: options.instrument?.instanceDecorator,
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});
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const instanceLoader = new instance_loader_1.InstanceLoader(container, injector, graphInspector);
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const metadataScanner = new metadata_scanner_1.MetadataScanner();
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const dependenciesScanner = new scanner_1.DependenciesScanner(container, metadataScanner, graphInspector, config);
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container.setHttpAdapter(httpServer);
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const teardown = this.abortOnError === false ? rethrow_1.rethrow : undefined;
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await httpServer?.init?.();
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try {
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this.logger.log(constants_1.MESSAGES.APPLICATION_START);
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await exceptions_zone_1.ExceptionsZone.asyncRun(async () => {
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await dependenciesScanner.scan(module);
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await instanceLoader.createInstancesOfDependencies();
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dependenciesScanner.applyApplicationProviders();
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}, teardown, this.autoFlushLogs);
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}
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catch (e) {
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this.handleInitializationError(e);
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}
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}
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handleInitializationError(err) {
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if (this.abortOnError) {
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process.abort();
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}
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(0, rethrow_1.rethrow)(err);
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}
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createProxy(target) {
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const proxy = this.createExceptionProxy();
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return new Proxy(target, {
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get: proxy,
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set: proxy,
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});
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}
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createExceptionProxy() {
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return (receiver, prop) => {
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if (!(prop in receiver)) {
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return;
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}
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if ((0, shared_utils_1.isFunction)(receiver[prop])) {
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return this.createExceptionZone(receiver, prop);
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}
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return receiver[prop];
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};
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}
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createExceptionZone(receiver, prop) {
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const teardown = this.abortOnError === false ? rethrow_1.rethrow : undefined;
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return (...args) => {
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let result;
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exceptions_zone_1.ExceptionsZone.run(() => {
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result = receiver[prop](...args);
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}, teardown, this.autoFlushLogs);
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return result;
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};
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}
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registerLoggerConfiguration(options) {
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if (!options) {
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return;
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}
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const { logger, bufferLogs, autoFlushLogs, forceConsole } = options;
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if (logger !== true && !(0, shared_utils_1.isNil)(logger)) {
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logger_service_1.Logger.overrideLogger(logger);
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}
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else if (forceConsole) {
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// If no custom logger is provided but forceConsole is true,
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// create a ConsoleLogger with forceConsole option
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const consoleLogger = new console_logger_service_1.ConsoleLogger({ forceConsole: true });
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logger_service_1.Logger.overrideLogger(consoleLogger);
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}
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if (bufferLogs) {
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logger_service_1.Logger.attachBuffer();
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}
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this.autoFlushLogs = autoFlushLogs ?? true;
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}
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createHttpAdapter(httpServer) {
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const { ExpressAdapter } = (0, load_adapter_1.loadAdapter)('@nestjs/platform-express', 'HTTP', () => require('@nestjs/platform-express'));
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return new ExpressAdapter(httpServer);
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}
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isHttpServer(serverOrOptions) {
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return !!(serverOrOptions && serverOrOptions.patch);
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}
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setAbortOnError(serverOrOptions, options) {
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this.abortOnError = this.isHttpServer(serverOrOptions)
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? !(options && options.abortOnError === false)
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: !(serverOrOptions && serverOrOptions.abortOnError === false);
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}
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createAdapterProxy(app, adapter) {
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const proxy = new Proxy(app, {
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get: (receiver, prop) => {
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const mapToProxy = (result) => {
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return result instanceof Promise
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? result.then(mapToProxy)
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: result instanceof nest_application_1.NestApplication
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? proxy
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: result;
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};
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if (!(prop in receiver) && prop in adapter) {
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return (...args) => {
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const result = this.createExceptionZone(adapter, prop)(...args);
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return mapToProxy(result);
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};
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}
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if ((0, shared_utils_1.isFunction)(receiver[prop])) {
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return (...args) => {
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const result = receiver[prop](...args);
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return mapToProxy(result);
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};
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}
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return receiver[prop];
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},
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});
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return proxy;
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}
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createGraphInspector(appOptions, container) {
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return appOptions?.snapshot
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? new graph_inspector_1.GraphInspector(container)
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: noop_graph_inspector_1.NoopGraphInspector;
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}
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}
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exports.NestFactoryStatic = NestFactoryStatic;
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/**
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* Use NestFactory to create an application instance.
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*
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* ### Specifying an entry module
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*
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* Pass the required *root module* for the application via the module parameter.
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* By convention, it is usually called `ApplicationModule`. Starting with this
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* module, Nest assembles the dependency graph and begins the process of
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* Dependency Injection and instantiates the classes needed to launch your
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* application.
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*
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* @publicApi
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*/
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exports.NestFactory = new NestFactoryStatic();
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