Initial commit - Event Planner application
This commit is contained in:
mberlin
416
node_modules/@nestjs/core/scanner.js
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vendored
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416
node_modules/@nestjs/core/scanner.js
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vendored
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@@ -0,0 +1,416 @@
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.DependenciesScanner = void 0;
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const constants_1 = require("@nestjs/common/constants");
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const interfaces_1 = require("@nestjs/common/interfaces");
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const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
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const iterare_1 = require("iterare");
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const application_config_1 = require("./application-config");
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const constants_2 = require("./constants");
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const circular_dependency_exception_1 = require("./errors/exceptions/circular-dependency.exception");
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const invalid_class_module_exception_1 = require("./errors/exceptions/invalid-class-module.exception");
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const invalid_module_exception_1 = require("./errors/exceptions/invalid-module.exception");
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const undefined_module_exception_1 = require("./errors/exceptions/undefined-module.exception");
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const get_class_scope_1 = require("./helpers/get-class-scope");
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const internal_core_module_factory_1 = require("./injector/internal-core-module/internal-core-module-factory");
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const topology_tree_1 = require("./injector/topology-tree/topology-tree");
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const uuid_factory_1 = require("./inspector/uuid-factory");
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class DependenciesScanner {
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constructor(container, metadataScanner, graphInspector, applicationConfig = new application_config_1.ApplicationConfig()) {
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this.container = container;
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this.metadataScanner = metadataScanner;
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this.graphInspector = graphInspector;
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this.applicationConfig = applicationConfig;
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this.applicationProvidersApplyMap = [];
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}
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async scan(module, options) {
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await this.registerCoreModule(options?.overrides);
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await this.scanForModules({
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moduleDefinition: module,
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overrides: options?.overrides,
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});
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await this.scanModulesForDependencies();
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this.addScopedEnhancersMetadata();
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// Modules distance calculation should be done after all modules are scanned
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// but before global modules are registered (linked to all modules).
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// Global modules have their distance set to MAX anyway.
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this.calculateModulesDistance();
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this.container.bindGlobalScope();
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}
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async scanForModules({ moduleDefinition, lazy, scope = [], ctxRegistry = [], overrides = [], }) {
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const { moduleRef: moduleInstance, inserted: moduleInserted } = (await this.insertOrOverrideModule(moduleDefinition, overrides, scope)) ??
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{};
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moduleDefinition =
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this.getOverrideModuleByModule(moduleDefinition, overrides)?.newModule ??
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moduleDefinition;
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moduleDefinition =
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moduleDefinition instanceof Promise
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? await moduleDefinition
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: moduleDefinition;
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ctxRegistry.push(moduleDefinition);
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if (this.isForwardReference(moduleDefinition)) {
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moduleDefinition = moduleDefinition.forwardRef();
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}
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const modules = !this.isDynamicModule(moduleDefinition)
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? this.reflectMetadata(constants_1.MODULE_METADATA.IMPORTS, moduleDefinition)
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: [
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...this.reflectMetadata(constants_1.MODULE_METADATA.IMPORTS, moduleDefinition.module),
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...(moduleDefinition.imports || []),
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];
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let registeredModuleRefs = [];
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for (const [index, innerModule] of modules.entries()) {
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// In case of a circular dependency (ES module system), JavaScript will resolve the type to `undefined`.
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if (innerModule === undefined) {
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throw new undefined_module_exception_1.UndefinedModuleException(moduleDefinition, index, scope);
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}
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if (!innerModule) {
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throw new invalid_module_exception_1.InvalidModuleException(moduleDefinition, index, scope);
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}
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if (ctxRegistry.includes(innerModule)) {
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continue;
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}
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const moduleRefs = await this.scanForModules({
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moduleDefinition: innerModule,
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scope: [].concat(scope, moduleDefinition),
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ctxRegistry,
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overrides,
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lazy,
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});
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registeredModuleRefs = registeredModuleRefs.concat(moduleRefs);
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}
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if (!moduleInstance) {
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return registeredModuleRefs;
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}
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if (lazy && moduleInserted) {
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this.container.bindGlobalsToImports(moduleInstance);
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}
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return [moduleInstance].concat(registeredModuleRefs);
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}
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async insertModule(moduleDefinition, scope) {
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const moduleToAdd = this.isForwardReference(moduleDefinition)
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? moduleDefinition.forwardRef()
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: moduleDefinition;
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if (this.isInjectable(moduleToAdd) ||
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this.isController(moduleToAdd) ||
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this.isExceptionFilter(moduleToAdd)) {
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throw new invalid_class_module_exception_1.InvalidClassModuleException(moduleDefinition, scope);
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}
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return this.container.addModule(moduleToAdd, scope);
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}
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async scanModulesForDependencies(modules = this.container.getModules()) {
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for (const [token, { metatype }] of modules) {
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await this.reflectImports(metatype, token, metatype.name);
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this.reflectProviders(metatype, token);
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this.reflectControllers(metatype, token);
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this.reflectExports(metatype, token);
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}
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}
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async reflectImports(module, token, context) {
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const modules = [
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...this.reflectMetadata(constants_1.MODULE_METADATA.IMPORTS, module),
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...this.container.getDynamicMetadataByToken(token, constants_1.MODULE_METADATA.IMPORTS),
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];
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for (const related of modules) {
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await this.insertImport(related, token, context);
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}
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}
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reflectProviders(module, token) {
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const providers = [
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...this.reflectMetadata(constants_1.MODULE_METADATA.PROVIDERS, module),
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...this.container.getDynamicMetadataByToken(token, constants_1.MODULE_METADATA.PROVIDERS),
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];
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providers.forEach(provider => {
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this.insertProvider(provider, token);
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this.reflectDynamicMetadata(provider, token);
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});
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}
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reflectControllers(module, token) {
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const controllers = [
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...this.reflectMetadata(constants_1.MODULE_METADATA.CONTROLLERS, module),
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...this.container.getDynamicMetadataByToken(token, constants_1.MODULE_METADATA.CONTROLLERS),
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];
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controllers.forEach(item => {
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this.insertController(item, token);
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this.reflectDynamicMetadata(item, token);
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});
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}
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reflectDynamicMetadata(cls, token) {
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if (!cls || !cls.prototype) {
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return;
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}
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this.reflectInjectables(cls, token, constants_1.GUARDS_METADATA);
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this.reflectInjectables(cls, token, constants_1.INTERCEPTORS_METADATA);
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this.reflectInjectables(cls, token, constants_1.EXCEPTION_FILTERS_METADATA);
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this.reflectInjectables(cls, token, constants_1.PIPES_METADATA);
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this.reflectParamInjectables(cls, token, constants_1.ROUTE_ARGS_METADATA);
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}
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reflectExports(module, token) {
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const exports = [
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...this.reflectMetadata(constants_1.MODULE_METADATA.EXPORTS, module),
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...this.container.getDynamicMetadataByToken(token, constants_1.MODULE_METADATA.EXPORTS),
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];
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exports.forEach(exportedProvider => this.insertExportedProviderOrModule(exportedProvider, token));
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}
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reflectInjectables(component, token, metadataKey) {
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const controllerInjectables = this.reflectMetadata(metadataKey, component);
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const methodInjectables = this.metadataScanner
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.getAllMethodNames(component.prototype)
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.reduce((acc, method) => {
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const methodInjectable = this.reflectKeyMetadata(component, metadataKey, method);
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if (methodInjectable) {
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acc.push(methodInjectable);
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}
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return acc;
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}, []);
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controllerInjectables.forEach(injectable => this.insertInjectable(injectable, token, component, constants_1.ENHANCER_KEY_TO_SUBTYPE_MAP[metadataKey]));
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methodInjectables.forEach(methodInjectable => {
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methodInjectable.metadata.forEach(injectable => this.insertInjectable(injectable, token, component, constants_1.ENHANCER_KEY_TO_SUBTYPE_MAP[metadataKey], methodInjectable.methodKey));
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});
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}
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reflectParamInjectables(component, token, metadataKey) {
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const paramsMethods = this.metadataScanner.getAllMethodNames(component.prototype);
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paramsMethods.forEach(methodKey => {
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const metadata = Reflect.getMetadata(metadataKey, component, methodKey);
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if (!metadata) {
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return;
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}
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const params = Object.values(metadata);
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params
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.map(item => item.pipes)
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.flat(1)
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.forEach(injectable => this.insertInjectable(injectable, token, component, 'pipe', methodKey));
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});
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}
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reflectKeyMetadata(component, key, methodKey) {
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let prototype = component.prototype;
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do {
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const descriptor = Reflect.getOwnPropertyDescriptor(prototype, methodKey);
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if (!descriptor) {
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continue;
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}
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const metadata = Reflect.getMetadata(key, descriptor.value);
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if (!metadata) {
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return;
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}
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return { methodKey, metadata };
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} while ((prototype = Reflect.getPrototypeOf(prototype)) &&
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prototype !== Object.prototype &&
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prototype);
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return undefined;
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}
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calculateModulesDistance() {
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const modulesGenerator = this.container.getModules().values();
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// Skip "InternalCoreModule"
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// The second element is the actual root module
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modulesGenerator.next();
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const rootModule = modulesGenerator.next().value;
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if (!rootModule) {
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return;
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}
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// Convert modules to an acyclic connected graph
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const tree = new topology_tree_1.TopologyTree(rootModule);
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tree.walk((moduleRef, depth) => {
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if (moduleRef.isGlobal) {
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return;
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}
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moduleRef.distance = depth;
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});
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}
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async insertImport(related, token, context) {
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if ((0, shared_utils_1.isUndefined)(related)) {
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throw new circular_dependency_exception_1.CircularDependencyException(context);
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}
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if (this.isForwardReference(related)) {
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return this.container.addImport(related.forwardRef(), token);
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}
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await this.container.addImport(related, token);
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}
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isCustomProvider(provider) {
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return provider && !(0, shared_utils_1.isNil)(provider.provide);
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}
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insertProvider(provider, token) {
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const isCustomProvider = this.isCustomProvider(provider);
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if (!isCustomProvider) {
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return this.container.addProvider(provider, token);
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}
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const applyProvidersMap = this.getApplyProvidersMap();
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const providersKeys = Object.keys(applyProvidersMap);
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const type = provider.provide;
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if (!providersKeys.includes(type)) {
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return this.container.addProvider(provider, token);
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}
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const uuid = uuid_factory_1.UuidFactory.get(type.toString());
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const providerToken = `${type} (UUID: ${uuid})`;
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let scope = provider.scope;
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if ((0, shared_utils_1.isNil)(scope) && provider.useClass) {
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scope = (0, get_class_scope_1.getClassScope)(provider.useClass);
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}
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this.applicationProvidersApplyMap.push({
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type,
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moduleKey: token,
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providerKey: providerToken,
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scope,
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});
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const newProvider = {
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...provider,
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provide: providerToken,
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scope,
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};
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const enhancerSubtype = constants_2.ENHANCER_TOKEN_TO_SUBTYPE_MAP[type];
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const factoryOrClassProvider = newProvider;
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if (this.isRequestOrTransient(factoryOrClassProvider.scope)) {
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return this.container.addInjectable(newProvider, token, enhancerSubtype);
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}
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this.container.addProvider(newProvider, token, enhancerSubtype);
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}
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insertInjectable(injectable, token, host, subtype, methodKey) {
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if ((0, shared_utils_1.isFunction)(injectable)) {
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const instanceWrapper = this.container.addInjectable(injectable, token, subtype, host);
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this.graphInspector.insertEnhancerMetadataCache({
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moduleToken: token,
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classRef: host,
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enhancerInstanceWrapper: instanceWrapper,
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targetNodeId: instanceWrapper.id,
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subtype,
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methodKey,
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});
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return instanceWrapper;
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}
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else {
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this.graphInspector.insertEnhancerMetadataCache({
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moduleToken: token,
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classRef: host,
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enhancerRef: injectable,
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methodKey,
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subtype,
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});
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}
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}
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insertExportedProviderOrModule(toExport, token) {
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const fulfilledProvider = this.isForwardReference(toExport)
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? toExport.forwardRef()
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: toExport;
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this.container.addExportedProviderOrModule(fulfilledProvider, token);
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}
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insertController(controller, token) {
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this.container.addController(controller, token);
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}
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insertOrOverrideModule(moduleDefinition, overrides, scope) {
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const overrideModule = this.getOverrideModuleByModule(moduleDefinition, overrides);
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if (overrideModule !== undefined) {
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return this.overrideModule(moduleDefinition, overrideModule.newModule, scope);
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}
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return this.insertModule(moduleDefinition, scope);
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}
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getOverrideModuleByModule(module, overrides) {
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if (this.isForwardReference(module)) {
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return overrides.find(moduleToOverride => {
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return (moduleToOverride.moduleToReplace === module.forwardRef() ||
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moduleToOverride.moduleToReplace.forwardRef?.() === module.forwardRef());
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});
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}
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return overrides.find(moduleToOverride => moduleToOverride.moduleToReplace === module);
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}
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async overrideModule(moduleToOverride, newModule, scope) {
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return this.container.replaceModule(this.isForwardReference(moduleToOverride)
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? moduleToOverride.forwardRef()
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: moduleToOverride, this.isForwardReference(newModule) ? newModule.forwardRef() : newModule, scope);
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}
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reflectMetadata(metadataKey, metatype) {
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return Reflect.getMetadata(metadataKey, metatype) || [];
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}
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async registerCoreModule(overrides) {
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const moduleDefinition = internal_core_module_factory_1.InternalCoreModuleFactory.create(this.container, this, this.container.getModuleCompiler(), this.container.getHttpAdapterHostRef(), this.graphInspector, overrides);
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const [instance] = await this.scanForModules({
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moduleDefinition,
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overrides,
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});
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this.container.registerCoreModuleRef(instance);
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}
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/**
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* Add either request or transient globally scoped enhancers
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* to all controllers metadata storage
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*/
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addScopedEnhancersMetadata() {
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(0, iterare_1.iterate)(this.applicationProvidersApplyMap)
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.filter(wrapper => this.isRequestOrTransient(wrapper.scope))
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.forEach(({ moduleKey, providerKey }) => {
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const modulesContainer = this.container.getModules();
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const { injectables } = modulesContainer.get(moduleKey);
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const instanceWrapper = injectables.get(providerKey);
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const iterableIterator = modulesContainer.values();
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(0, iterare_1.iterate)(iterableIterator)
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.map(moduleRef => Array.from(moduleRef.controllers.values()).concat(moduleRef.entryProviders))
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.flatten()
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.forEach(controllerOrEntryProvider => controllerOrEntryProvider.addEnhancerMetadata(instanceWrapper));
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});
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}
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applyApplicationProviders() {
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const applyProvidersMap = this.getApplyProvidersMap();
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const applyRequestProvidersMap = this.getApplyRequestProvidersMap();
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const getInstanceWrapper = (moduleKey, providerKey, collectionKey) => {
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const modules = this.container.getModules();
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const collection = modules.get(moduleKey)[collectionKey];
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return collection.get(providerKey);
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};
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// Add global enhancers to the application config
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this.applicationProvidersApplyMap.forEach(({ moduleKey, providerKey, type, scope }) => {
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let instanceWrapper;
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if (this.isRequestOrTransient(scope)) {
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instanceWrapper = getInstanceWrapper(moduleKey, providerKey, 'injectables');
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this.graphInspector.insertAttachedEnhancer(instanceWrapper);
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return applyRequestProvidersMap[type](instanceWrapper);
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}
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instanceWrapper = getInstanceWrapper(moduleKey, providerKey, 'providers');
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this.graphInspector.insertAttachedEnhancer(instanceWrapper);
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applyProvidersMap[type](instanceWrapper.instance);
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});
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}
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getApplyProvidersMap() {
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return {
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[constants_2.APP_INTERCEPTOR]: (interceptor) => this.applicationConfig.addGlobalInterceptor(interceptor),
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[constants_2.APP_PIPE]: (pipe) => this.applicationConfig.addGlobalPipe(pipe),
|
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[constants_2.APP_GUARD]: (guard) => this.applicationConfig.addGlobalGuard(guard),
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||||
[constants_2.APP_FILTER]: (filter) => this.applicationConfig.addGlobalFilter(filter),
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};
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}
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getApplyRequestProvidersMap() {
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return {
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[constants_2.APP_INTERCEPTOR]: (interceptor) => this.applicationConfig.addGlobalRequestInterceptor(interceptor),
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[constants_2.APP_PIPE]: (pipe) => this.applicationConfig.addGlobalRequestPipe(pipe),
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[constants_2.APP_GUARD]: (guard) => this.applicationConfig.addGlobalRequestGuard(guard),
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[constants_2.APP_FILTER]: (filter) => this.applicationConfig.addGlobalRequestFilter(filter),
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||||
};
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||||
}
|
||||
isDynamicModule(module) {
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||||
return module && !!module.module;
|
||||
}
|
||||
/**
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||||
* @param metatype
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||||
* @returns `true` if `metatype` is annotated with the `@Injectable()` decorator.
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||||
*/
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||||
isInjectable(metatype) {
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||||
return !!Reflect.getMetadata(constants_1.INJECTABLE_WATERMARK, metatype);
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||||
}
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||||
/**
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||||
* @param metatype
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||||
* @returns `true` if `metatype` is annotated with the `@Controller()` decorator.
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||||
*/
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||||
isController(metatype) {
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||||
return !!Reflect.getMetadata(constants_1.CONTROLLER_WATERMARK, metatype);
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||||
}
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||||
/**
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* @param metatype
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||||
* @returns `true` if `metatype` is annotated with the `@Catch()` decorator.
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||||
*/
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||||
isExceptionFilter(metatype) {
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||||
return !!Reflect.getMetadata(constants_1.CATCH_WATERMARK, metatype);
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||||
}
|
||||
isForwardReference(module) {
|
||||
return module && !!module.forwardRef;
|
||||
}
|
||||
isRequestOrTransient(scope) {
|
||||
return scope === interfaces_1.Scope.REQUEST || scope === interfaces_1.Scope.TRANSIENT;
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||||
}
|
||||
}
|
||||
exports.DependenciesScanner = DependenciesScanner;
|
||||
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Block a user