implab/implabjs-core Commit - r152:8bee6a6d5f46

fixed bug in applying a lifetime while processing the json configuration...

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r152:8bee6a6d5f46 v1.4.0-rc10 default

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r152:8bee6a6d5f46

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src/amd/ts/text/TemplateParser.ts +1 -1

             import { argumentNotEmptyString } from "../safe";
             import { MapOf } from "../interfaces";
             import { TraceSource, DebugLevel } from "../log/TraceSource";
             import m = require("module");
             const trace = TraceSource.get(m.id);
             const splitRx = /(<%=|<%~|\[%~|\[%=|<%|\[%|%\]|%>)/;
             export enum TokenType {
                 None,
                 Text,
                 OpenInlineBlock,
                 OpenFilterBlock,
                 OpenBlock,
                 CloseBlock
             }
             const tokenMap: MapOf<TokenType> = {
                 "<%": TokenType.OpenBlock,
                 "[%": TokenType.OpenBlock,
                 "<%=": TokenType.OpenInlineBlock,
                 "[%=": TokenType.OpenInlineBlock,
                 "<%~": TokenType.OpenFilterBlock,
                 "[%~": TokenType.OpenFilterBlock,
                 "%>": TokenType.CloseBlock,
                 "%]": TokenType.CloseBlock
             };
             export interface ITemplateParser {
                 next(): boolean;
                 token(): TokenType;
                 value(): string;
             }
             export class TemplateParser implements ITemplateParser {
                 _tokens: string[];
                 _pos = -1;
                 _type: TokenType;
                 _value: string | undefined;
                 constructor(text: string) {
                     argumentNotEmptyString(text, "text");
                     this._tokens = text.split(splitRx);
                     this._type = TokenType.None;
                 }
                 next() {
                     this._pos++;
                     if (this._pos < this._tokens.length) {
                         this._value = this._tokens[this._pos];
                         this._type = tokenMap[this._value] || TokenType.Text;
                         return true;
                     } else {
                         this._type = TokenType.None;
                         this._value = undefined;
                         return false;
                     }
                 }
                 token() {
                     return this._type;
                 }
                 value() {
-                    if (!this._value)
+                    if (this._value === undefined)
                         throw new Error("The current token doesn't have a value");
                     return this._value;
                 }
             }

src/amd/ts/text/template-compile.ts +8 -1

             import request = require("dojo/request");
             import m = require("module");
             import { TraceSource } from "../log/TraceSource";
             import { TemplateCompiler } from "./TemplateCompiler";
             import { TemplateParser } from "./TemplateParser";
             import { isNullOrEmptyString } from "../safe";
             import { MapOf } from "../interfaces";
             type TemplateFn = (obj: object) => string;
             const trace = TraceSource.get(m.id);
             function compile(str: string) {
                 if (isNullOrEmptyString(str))
                     return () => "";
                 const parser = new TemplateParser(str);
                 const compiler = new TemplateCompiler();
                 return compiler.compile(parser);
             }
             const cache: MapOf<TemplateFn> = {};
             interface OnLoadFn<T> {
                 (res: T): void;
                 error(e: any): void;
             }
             compile.load = (id: string, require: Require, callback: OnLoadFn<TemplateFn>) => {
                 const url = require.toUrl(id);
                 if (url in cache) {
                     trace.debug("{0} -> {1}: cached", id, url);
                     callback(cache[url]);
                 } else {
                     trace.debug("{0} -> {1}: load", id, url);
                     request<string>(url).then(compile).then((tc: TemplateFn) => {
                         trace.debug("{0}: compiled", url);
                         callback(cache[url] = tc);
                     }, (err: any) => {
+                        if (callback.error)
                             callback.error({
                                 inner: err,
-                            src: "@implab/core/text/template-compile"
+                                from: "@implab/core/text/template-compile"
+                            });
+                        else
+                            trace.error({
+                                message: `Failed to load: ${url}`,
+                                error: err,
+                                from: "@implab/core/text/template-compile"
                             });
                     });
                 }
             };
             export = compile;

src/main/ts/di/ConfigError.ts +4 -2

-            export class ConfigError extends Error {
+            export class ConfigError {
                 inner?: {};
+                message: string;
                 path?: string;
                 configName?: string;
                 constructor(message: string, inner?: {}) {
-                    super(message);
+                    this.message = message;
                     this.inner = inner;
                 }
             }

src/main/ts/di/Configuration.ts +14 -5

             import {
                 PartialServiceMap,
                 ActivationType,
                 ContainerKeys,
                 TypeOfService,
                 ILifetime, ServiceContainer
             } from "./interfaces";
-            import { argumentNotEmptyString, isPrimitive, isPromise, delegate, argumentOfType, argumentNotNull, get, primitive } from "../safe";
+            import { argumentNotEmptyString, isPrimitive, isPromise, delegate, argumentOfType, argumentNotNull, get, primitive, oid, mixin } from "../safe";
             import { AggregateDescriptor } from "./AggregateDescriptor";
             import { ValueDescriptor } from "./ValueDescriptor";
             import { ReferenceDescriptor } from "./ReferenceDescriptor";
             import { TypeServiceDescriptor } from "./TypeServiceDescriptor";
             import { FactoryServiceDescriptor } from "./FactoryServiceDescriptor";
             import { TraceSource } from "../log/TraceSource";
             import { ConfigError } from "./ConfigError";
             import { Cancellation } from "../Cancellation";
             import { makeResolver } from "./ResolverHelper";
             import { ICancellation } from "../interfaces";
             import { isDescriptor } from "./traits";
             import { LazyReferenceDescriptor } from "./LazyReferenceDescriptor";
             import { LifetimeManager } from "./LifetimeManager";
+            import { ServiceDescriptorParams } from "./ServiceDescriptor";
             export interface RegistrationScope<S extends object> {
                 /** сервисы, которые регистрируются в контексте активации и таким образом
                  * могут переопределять ранее зарегистрированные сервисы. за это свойство
                  * нужно платить, кроме того порядок активации будет влиять на результат
                  * разрешения зависимостей.
                  */
                 services?: RegistrationMap<S>;
             }
             /**
              * Базовый интерфейс конфигурации сервисов
              */
             export interface ServiceRegistration<T, S extends object> extends RegistrationScope<S> {
                 activation?: ActivationType;
                 params?: any;
                 /** Специальный идентификатор используется при активации singleton, если
                  * не указан для TypeRegistration вычисляется как oid($type)
                  */
                 typeId?: string;
                 inject?: object | object[];
                 cleanup?: ((instance: T) => void) | string;
             }
             export interface TypeRegistration<C extends new (...args: any[]) => any, S extends object> extends ServiceRegistration<InstanceType<C>, S> {
                 $type: string | C;
                 params?: Registration<ConstructorParameters<C>, S>;
             }
             export interface StrictTypeRegistration<C extends new (...args: any[]) => any, S extends object> extends ServiceRegistration<InstanceType<C>, S> {
                 $type: C;
                 params?: Registration<ConstructorParameters<C>, S>;
             }
             export interface FactoryRegistration<F extends (...args: any[]) => any, S extends object> extends ServiceRegistration<ReturnType<F>, S> {
                 $factory: string | F;
             }
             export interface ValueRegistration<T> {
                 $value: T;
                 parse?: boolean;
             }
             export interface DependencyRegistration<S extends object, K extends ContainerKeys<S> = ContainerKeys<S>> extends RegistrationScope<S> {
                 $dependency: K;
                 lazy?: boolean;
                 optional?: boolean;
                 default?: TypeOfService<S, K>;
             }
             export interface LazyDependencyRegistration<S extends object, K extends ContainerKeys<S> = ContainerKeys<S>> extends DependencyRegistration<S, K> {
                 lazy: true;
             }
             export type Registration<T, S extends object> = T extends primitive ? T :
                 (
                     T |
                     { [k in keyof T]: Registration<T[k], S> } |
                     TypeRegistration<new (...args: any[]) => T, S> |
                     FactoryRegistration<(...args: any[]) => T, S> |
                     ValueRegistration<any> |
                     DependencyRegistration<S, keyof S>
                 );
             export type RegistrationMap<S extends object> = {
                 [k in keyof S]?: Registration<S[k], S>;
             };
             const _activationTypes: { [k in ActivationType]: number; } = {
                 singleton: 1,
                 container: 2,
                 hierarchy: 3,
                 context: 4,
                 call: 5
             };
             export function isTypeRegistration(x: any): x is TypeRegistration<new () => any, any> {
                 return (!isPrimitive(x)) && ("$type" in x);
             }
             export function isFactoryRegistration(x: any): x is FactoryRegistration<() => any, any> {
                 return (!isPrimitive(x)) && ("$factory" in x);
             }
             export function isValueRegistration(x: any): x is ValueRegistration<any> {
                 return (!isPrimitive(x)) && ("$value" in x);
             }
             export function isDependencyRegistration<S extends object>(x: any): x is DependencyRegistration<S, keyof S> {
                 return (!isPrimitive(x)) && ("$dependency" in x);
             }
             export function isActivationType(x: string): x is ActivationType {
                 return typeof x === "string" && x in _activationTypes;
             }
             const trace = TraceSource.get("@implab/core/di/Configuration");
             async function mapAll(data: any[], map?: (v: any, k: number) => any): Promise<any[]>;
             async function mapAll(data: any, map?: (v: any, k: string) => any): Promise<any>;
             async function mapAll(data: any, map?: (v: any, k: any) => any): Promise<any> {
                 if (data instanceof Array) {
                     return Promise.all(map ? data.map(map) : data);
                 } else {
                     const keys = Object.keys(data);
                     const o: any = {};
                     await Promise.all(keys.map(async k => {
                         const v = map ? map(data[k], k) : data[k];
                         o[k] = isPromise(v) ? await v : v;
                     }));
                     return o;
                 }
             }
             export type ModuleResolver = (moduleName: string, ct?: ICancellation) => any;
             export class Configuration<S extends object> {
                 _hasInnerDescriptors = false;
                 readonly _container: ServiceContainer<S>;
                 _path: Array<string>;
                 _configName: string | undefined;
                 _require: ModuleResolver | undefined;
                 constructor(container: ServiceContainer<S>) {
                     argumentNotNull(container, "container");
                     this._container = container;
                     this._path = [];
                 }
                 async loadConfiguration(moduleName: string, contextRequire?: any, ct = Cancellation.none) {
                     argumentNotEmptyString(moduleName, "moduleName");
                     trace.log(
                         "loadConfiguration moduleName={0}, contextRequire={1}",
                         moduleName,
                         contextRequire ? typeof (contextRequire) : "<nil>"
                     );
                     this._configName = moduleName;
                     const r = await makeResolver(undefined, contextRequire);
                     const config = await r(moduleName, ct);
                     await this._applyConfiguration(
                         config,
                         await makeResolver(moduleName, contextRequire),
                         ct
                     );
                 }
                 async applyConfiguration(data: RegistrationMap<S>, opts: { contextRequire?: any; baseModule?: string }, ct = Cancellation.none) {
                     argumentNotNull(data, "data");
                     const _opts = opts || {};
                     await this._applyConfiguration(data, await makeResolver(_opts.baseModule, _opts.contextRequire), ct);
                 }
                 async _applyConfiguration(data: RegistrationMap<S>, resolver?: ModuleResolver, ct = Cancellation.none) {
                     trace.log("applyConfiguration");
                     this._configName = "$";
                     if (resolver)
                         this._require = resolver;
                     let services: PartialServiceMap<S>;
                     try {
                         services = await this._visitRegistrations(data, "$");
                     } catch (e) {
                         throw this._makeError(e);
                     }
                     this._container.register(services);
                 }
                 _makeError(inner: any) {
                     const e = new ConfigError("Failed to load configuration", inner);
                     e.configName = this._configName || "<inline>";
                     e.path = this._makePath();
                     return e;
                 }
                 _makePath() {
                     return this._path
                         .reduce(
                             (prev, cur) => typeof cur === "number" ?
                                 `${prev}[${cur}]` :
                                 `${prev}.${cur}`
                         )
                         .toString();
                 }
                 async _resolveType(moduleName: string, localName: string) {
                     trace.log("resolveType moduleName={0}, localName={1}", moduleName, localName);
                     try {
                         const m = await this._loadModule(moduleName);
                         if (localName) {
                             return get(localName, m);
                         } else {
                             if (m instanceof Function)
                                 return m;
                             if ("default" in m)
                                 return m.default;
                             return m;
                         }
                     } catch (e) {
                         trace.error("Failed to resolve type moduleName={0}, localName={1}", moduleName, localName);
                         throw e;
                     }
                 }
                 _loadModule(moduleName: string) {
                     trace.debug("loadModule {0}", moduleName);
                     if (!this._require)
                         throw new Error("Module loader isn't specified");
                     return this._require(moduleName);
                 }
                 async _visitRegistrations(data: RegistrationMap<S>, name: string) {
                     this._enter(name);
                     if (data.constructor &&
                         data.constructor.prototype !== Object.prototype)
                         throw new Error("Configuration must be a simple object");
                     const services = await mapAll(data, async (v, k) => {
                         const d = await this._visit(v, k.toString());
                         return isDescriptor(d) ? d : new AggregateDescriptor(d);
                     }) as PartialServiceMap<S>;
                     this._leave();
                     return services;
                 }
                 _enter(name: string) {
                     this._path.push(name.toString());
                     trace.debug(">{0}", name);
                 }
                 _leave() {
                     const name = this._path.pop();
                     trace.debug("<{0}", name);
                 }
                 _visit(data: any, name: string): Promise<any> {
                     if (isPrimitive(data))
                         return Promise.resolve(new ValueDescriptor(data));
                     if (isDescriptor(data))
                         return Promise.resolve(data);
                     if (isDependencyRegistration<S>(data)) {
                         return this._visitDependencyRegistration(data, name);
                     } else if (isValueRegistration(data)) {
                         return this._visitValueRegistration(data, name);
                     } else if (isTypeRegistration(data)) {
                         return this._visitTypeRegistration(data, name);
                     } else if (isFactoryRegistration(data)) {
                         return this._visitFactoryRegistration(data, name);
                     } else if (data instanceof Array) {
                         return this._visitArray(data, name);
                     }
                     return this._visitObject(data, name);
                 }
                 async _visitObject(data: any, name: string) {
                     if (data.constructor &&
                         data.constructor.prototype !== Object.prototype)
                         return new ValueDescriptor(data);
                     this._enter(name);
                     const v = await mapAll(data, delegate(this, "_visit"));
                     // TODO: handle inline descriptors properly
                     // const ex = {
                     //     activate(ctx) {
                     //         const value = ctx.activate(this.prop, "prop");
                     //         // some code
                     //     },
                     //     // will be turned to ReferenceDescriptor
                     //     prop: { $dependency: "depName" }
                     // };
                     this._leave();
                     return v;
                 }
                 async _visitArray(data: any[], name: string) {
                     if (data.constructor &&
                         data.constructor.prototype !== Array.prototype)
                         return new ValueDescriptor(data);
                     this._enter(name);
                     const v = await mapAll(data, delegate(this, "_visit"));
                     this._leave();
                     return v;
                 }
                 _makeServiceParams(data: ServiceRegistration<any, S>) {
-                    const opts: any = {
+                    const opts: any = {};
-                    };
                     if (data.services)
                         opts.services = this._visitRegistrations(data.services, "services");
                     if (data.inject) {
                         this._enter("inject");
                         opts.inject = mapAll(
                             data.inject instanceof Array ?
                                 data.inject :
                                 [data.inject],
                             delegate(this, "_visitObject")
                         );
                         this._leave();
                     }
                     if ("params" in data)
                         opts.params = data.params instanceof Array ?
                             this._visitArray(data.params, "params") :
                             this._visit(data.params, "params");
                     if (data.activation) {
-                        opts.activation = this._getLifetimeManager(data.activation, data.typeId);
+                        opts.lifetime = this._getLifetimeManager(data.activation, data.typeId);
                     }
                     if (data.cleanup)
                         opts.cleanup = data.cleanup;
                     return opts;
                 }
                 async _visitValueRegistration<T>(data: ValueRegistration<T>, name: string) {
                     this._enter(name);
                     const d = data.parse ? new AggregateDescriptor(data.$value) : new ValueDescriptor(data.$value);
                     this._leave();
                     return d;
                 }
                 async _visitDependencyRegistration<K extends keyof S>(data: DependencyRegistration<S, K>, name: string) {
                     argumentNotEmptyString(data && data.$dependency, "data.$dependency");
                     this._enter(name);
                     const options = {
                         name: data.$dependency,
                         optional: data.optional,
                         default: data.default,
                         services: data.services && await this._visitRegistrations(data.services, "services")
                     };
                     const d = data.lazy ? new LazyReferenceDescriptor<S, K>(options) : new ReferenceDescriptor<S, K>(options);
                     this._leave();
                     return d;
                 }
                 async _visitTypeRegistration(data: TypeRegistration<new () => any, S>, name: string) {
                     argumentNotNull(data.$type, "data.$type");
                     this._enter(name);
-                    const opts = this._makeServiceParams(data);
+                    const opts = {} as any;
                     if (data.$type instanceof Function) {
                         opts.type = data.$type;
                     } else {
                         const [moduleName, typeName] = data.$type.split(":", 2);
                         opts.type = this._resolveType(moduleName, typeName).then(t => {
                             if (!(t instanceof Function))
                                 throw Error("$type (" + data.$type + ") is not a constructable");
                             return t;
                         });
                     }
+                    if (!data.typeId && data.activation === "singleton")
+                        data.typeId = oid(opts.type);
+                    mixin(opts, this._makeServiceParams(data));
                     const d = new TypeServiceDescriptor<S, any, any[]>(
                         await mapAll(opts)
                     );
                     this._leave();
                     return d;
                 }
                 async _visitFactoryRegistration(data: FactoryRegistration<() => any, S>, name: string) {
                     argumentOfType(data.$factory, Function, "data.$factory");
                     this._enter(name);
+                    if (!data.typeId && data.activation === "singleton")
+                        data.typeId = oid(data.$factory);
                     const opts = this._makeServiceParams(data);
                     opts.factory = data.$factory;
                     const d = new FactoryServiceDescriptor<S, any, any[]>(
                         await mapAll(opts)
                     );
                     this._leave();
                     return d;
                 }
                 _getLifetimeManager(activation: ActivationType, typeId: string | undefined): ILifetime {
                     switch (activation) {
                         case "container":
                             return LifetimeManager.containerLifetime(this._container);
                         case "hierarchy":
                             return LifetimeManager.hierarchyLifetime();
                         case "context":
                             return LifetimeManager.contextLifetime();
                         case "singleton":
                             if (typeId === undefined)
                                 throw Error("The singleton activation requires a typeId");
                             return LifetimeManager.singletonLifetime(typeId);
                         default:
                             return LifetimeManager.empty();
                     }
                 }
             }

src/main/ts/safe.ts +1 -1

             import { ICancellable, Constructor, IDestroyable, ICancellation } from "./interfaces";
             let _nextOid = 0;
             const _oid = typeof Symbol === "function" ?
                 Symbol("__implab__oid__") :
                 "__implab__oid__";
             export function oid(instance: null | undefined): undefined;
             export function oid(instance: NonNullable<any>): string;
             export function oid(instance: any): string | undefined {
                 if (isNull(instance))
                     return undefined;
                 if (_oid in instance)
                     return instance[_oid];
                 else
                     return (instance[_oid] = "oid_" + (++_nextOid));
             }
             const cancellationNone: ICancellation = {
                 isSupported(): boolean {
                     return false;
                 },
                 throwIfRequested(): void {
                 },
                 isRequested(): boolean {
                     return false;
                 },
                 register(_cb: (e: any) => void): IDestroyable {
                     return destroyed;
                 }
             };
             export function keys<T>(arg: T): (Extract<keyof T, string>)[] {
                 return isObject(arg) && arg ? Object.keys(arg) as (Extract<keyof T, string>)[] : [];
             }
             export function isKeyof<T>(k: string, target: T): k is Extract<keyof T, string> {
                 return target && typeof target === "object" && k in target;
             }
             export function argumentNotNull(arg: any, name: string) {
                 if (arg === null || arg === undefined)
                     throw new Error("The argument " + name + " can't be null or undefined");
             }
             export function argumentNotEmptyString(arg: any, name: string) {
                 if (typeof (arg) !== "string" || !arg.length)
                     throw new Error("The argument '" + name + "' must be a not empty string");
             }
             export function argumentNotEmptyArray(arg: any, name: string) {
                 if (!(arg instanceof Array) || !arg.length)
                     throw new Error("The argument '" + name + "' must be a not empty array");
             }
             export function argumentOfType(arg: any, type: Constructor<{}>, name: string) {
                 if (!(arg instanceof type))
                     throw new Error("The argument '" + name + "' type doesn't match");
             }
             export function isObject(val: any): val is object {
                 return typeof val === "object";
             }
             export function isNull(val: any): val is null | undefined {
                 return (val === null || val === undefined);
             }
             export type primitive = symbol | string | number | boolean | undefined | null;
             export function isPrimitive(val: any): val is primitive {
                 return (val === null || val === undefined || typeof (val) === "string" ||
                     typeof (val) === "number" || typeof (val) === "boolean");
             }
             export function isInteger(val: any): val is number {
                 return parseInt(val, 10) === val;
             }
             export function isNumber(val: any): val is number {
                 return parseFloat(val) === val;
             }
             export function isString(val: any): val is string {
                 return typeof (val) === "string" || val instanceof String;
             }
             export function isPromise<T = any>(val: any): val is PromiseLike<T> {
                 return val && typeof val.then === "function";
             }
             export function isCancellable(val: any): val is ICancellable {
                 return val && typeof val.cancel === "function";
             }
             export function isNullOrEmptyString(val: any): val is ("" | null | undefined) {
                 return (val === null || val === undefined ||
                     ((typeof (val) === "string" || val instanceof String) && val.length === 0));
             }
             export function isNotEmptyArray<T = any>(arg: any): arg is T[] {
                 return (arg instanceof Array && arg.length > 0);
             }
             function _isStrictMode(this: any) {
                 return !this;
             }
             function _getNonStrictGlobal(this: any) {
                 return this;
             }
             export function getGlobal() {
                 // in es3 we can't use indirect call to eval, since it will
                 // be executed in the current call context.
                 if (!_isStrictMode()) {
                     return _getNonStrictGlobal();
                 } else {
                     // tslint:disable-next-line:no-eval
                     return eval.call(null, "this");
                 }
             }
             export function get(member: string, context?: object) {
                 argumentNotEmptyString(member, "member");
                 let that = context || getGlobal();
                 const parts = member.split(".");
                 for (const m of parts) {
                     if (!m)
                         continue;
                     if (isNull(that = that[m]))
                         break;
                 }
                 return that;
             }
             /**
              * Выполняет метод для каждого элемента массива, останавливается, когда
              * либо достигнут конец массива, либо функция <c>cb</c> вернула
              * значение.
              *
              * @param {Array | Object} obj массив элементов для просмотра
              * @param {Function} cb функция, вызываемая для каждого элемента
              * @param {Object} thisArg значение, которое будет передано в качестве
              *                <c>this</c> в <c>cb</c>.
              * @returns {void}
              */
-            export function each<T>(obj: T, cb: <X extends keyof T>(v: NonNullable<T[X]>, k: X) => void): void;
+            export function each<T>(obj: T, cb: <X extends Extract<keyof T, string>>(v: NonNullable<T[X]>, k: X) => void): void;
             export function each<T>(array: T[], cb: (v: T, i: number) => void): void;
             export function each(obj: any, cb: any, thisArg?: any): any;
             export function each(obj: any, cb: any, thisArg?: any) {
                 argumentNotNull(cb, "cb");
                 if (obj instanceof Array) {
                     let v: any;
                     for (let i = 0; i < obj.length; i++) {
                         v = obj[i];
                         if (v !== undefined)
                             cb.call(thisArg, v, i);
                     }
                 } else {
                     Object.keys(obj).forEach(k => obj[k] !== undefined && cb.call(thisArg, obj[k], k));
                 }
             }
             /** Copies property values from a source object to the destination and returns
              * the destination object.
              *
              * @param dest The destination object into which properties from the source
              *  object will be copied.
              * @param source The source of values which will be copied to the destination
              *  object.
              * @param template An optional parameter specifies which properties should be
              *  copied from the source and how to map them to the destination. If the
              *  template is an array it contains the list of property names to copy from the
              *  source to the destination. In case of object the templates contains the map
              *  where keys are property names in the source and the values are property
              *  names in the destination object. If the template isn't specified then the
              *  own properties of the source are entirely copied to the destination.
              *
              */
             export function mixin<T extends object, S extends object>(dest: T, source: S, template?: (keyof S)[]): T & S;
             export function mixin<T extends object, S extends object, R extends object = T>(dest: T, source: S, template: { [p in keyof S]?: keyof R; }): T & R;
             export function mixin<T extends object, S extends object>(dest: T, source: S, template?: any): any {
                 argumentNotNull(dest, "dest");
                 const _res: any = dest as any;
                 if (isPrimitive(source))
                     return _res;
                 if (template instanceof Array) {
                     template.forEach(p => {
                         if (isKeyof(p, source))
                             _res[p] = source[p];
                     });
                 } else if (template) {
                     keys(source).forEach(p => {
                         if (isKeyof(p, template))
                             _res[template[p]] = source[p];
                     });
                 } else {
                     keys(source).forEach(p => _res[p] = source[p]);
                 }
                 return _res;
             }
             /** Wraps the specified function to emulate an asynchronous execution.
              * @param{Object} thisArg [Optional] Object which will be passed as 'this' to the function.
              * @param{Function|String} fn [Required] Function wich will be wrapped.
              */
             export function async<T, F extends (...args: any[]) => T | PromiseLike<T>>(
                 fn: F,
                 thisArg?: ThisParameterType<F>
             ): (...args: Parameters<F>) => PromiseLike<T>;
             export function async<T, M extends string, O extends { [m in M]?: (...args: any[]) => T | PromiseLike<T> }>(
                 fn: M,
                 thisArg: O
             ): (...args: Parameters<NonNullable<O[M]>>) => PromiseLike<T>;
             export function async(_fn: any, thisArg: any): (...args: any[]) => PromiseLike<any> {
                 let fn = _fn;
                 if (arguments.length === 2 && !(fn instanceof Function))
                     fn = thisArg[fn];
                 if (fn == null)
                     throw new Error("The function must be specified");
                 function wrapresult(x: any, e?: any): PromiseLike<any> {
                     if (e) {
                         return {
                             then(cb, eb) {
                                 try {
                                     return eb ? wrapresult(eb(e)) : this;
                                 } catch (e2) {
                                     return wrapresult(null, e2);
                                 }
                             }
                         };
                     } else {
                         if (x && x.then)
                             return x;
                         return {
                             then(cb) {
                                 try {
                                     return cb ? wrapresult(cb(x)) : this;
                                 } catch (e2) {
                                     return wrapresult(e2);
                                 }
                             }
                         };
                     }
                 }
                 return (...args) => {
                     try {
                         return wrapresult(fn.apply(thisArg, args));
                     } catch (e) {
                         return wrapresult(null, e);
                     }
                 };
             }
             export function delegate<T extends object, F extends (this: T, ...args: any[]) => any>(
                 target: T,
                 method: F
             ): OmitThisParameter<F>;
             export function delegate<M extends string, T extends { [m in M]?: (...args: any[]) => any; }>(
                 target: T,
                 method: M
             ): OmitThisParameter<T[M]>;
             export function delegate(target: any, _method: any): (...args: any[]) => any {
                 let method: any;
                 if (!(_method instanceof Function)) {
                     argumentNotNull(target, "target");
                     method = target[_method];
                     if (!(method instanceof Function))
                         throw new Error("'method' argument must be a Function or a method name");
                 } else {
                     method = _method;
                 }
                 return (...args) => {
                     return method.apply(target, args);
                 };
             }
             export function delay(timeMs: number, ct = cancellationNone) {
                 ct.throwIfRequested();
                 return new Promise((resolve, reject) => {
                     const h = ct.register(e => {
                         clearTimeout(id);
                         reject(e);
                         // we don't nedd to unregister h, since ct is already disposed
                     });
                     const id = setTimeout(() => {
                         h.destroy();
                         resolve();
                     }, timeMs);
                 });
             }
             /** Returns resolved promise, awaiting this method will cause the asynchronous
              * completion of the rest of the code.
              */
             export function fork() {
                 return Promise.resolve();
             }
             /** Always throws Error, can be used as a stub for the methods which should be
              * assigned later and are required to be not null.
              */
             export function notImplemented(): never {
                 throw new Error("Not implemeted");
             }
             /**
              * Iterates over the specified array of items and calls the callback `cb`, if
              * the result of the callback is a promise the next item from the array will be
              * proceeded after the promise is resolved.
              *
              */
             export function pmap<T, T2>(
                 items: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 cb: (item: T, i: number) => T2 | PromiseLike<T2>
             ): T2[] | PromiseLike<T2[]> {
                 argumentNotNull(cb, "cb");
                 if (isPromise(items)) {
                     return items.then(data => pmap(data, cb));
                 } else {
                     if (isNull(items) || !items.length)
                         return [];
                     let i = 0;
                     const result = new Array<T2>();
                     const next = (): any => {
                         while (i < items.length) {
                             const r = cb(items[i], i);
                             const ri = i;
                             i++;
                             if (isPromise(r)) {
                                 return r.then(x => {
                                     result[ri] = x;
                                     return next();
                                 });
                             } else {
                                 result[ri] = r;
                             }
                         }
                         return result;
                     };
                     return next();
                 }
             }
             export function pfor<T>(
                 items: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 cb: (item: T, i: number) => any
             ): void | PromiseLike<void> {
                 argumentNotNull(cb, "cb");
                 if (isPromise(items)) {
                     return items.then(data => pfor(data, cb));
                 } else {
                     if (isNull(items) || !items.length)
                         return;
                     let i = 0;
                     const next = (): any => {
                         while (i < items.length) {
                             const r = cb(items[i], i);
                             i++;
                             if (isPromise(r))
                                 return r.then(next);
                         }
                     };
                     return next();
                 }
             }
             export function first<T>(sequence: ArrayLike<T>): T;
             export function first<T>(sequence: PromiseLike<ArrayLike<T>>): PromiseLike<T>;
             export function first<T>(
                 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 cb?: (x: T) => void,
                 err?: (x: Error) => void
             ): void;
             /**
              * Выбирает первый элемент из последовательности, или обещания, если в
              * качестве параметра используется обещание, оно должно вернуть массив.
              *
              * @param {Function} cb обработчик результата, ему будет передан первый
              *                  элемент последовательности в случае успеха
              * @param {Function} err обработчик исключения, если массив пустой, либо
              *                  не массив
              *
              * @remarks Если не указаны ни cb ни err, тогда функция вернет либо
              *          обещание, либо первый элемент.
              * @async
              */
             export function first<T>(
                 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 cb?: (x: T) => void,
                 err?: (x: Error) => void
             ) {
                 if (isPromise(sequence)) {
                     return sequence.then(res => first(res, cb as any /* force to pass undefined cb */, err));
                 } else if (sequence && "length" in sequence) {
                     if (sequence.length === 0) {
                         if (err)
                             return err(new Error("The sequence is empty"));
                         else
                             throw new Error("The sequence is empty");
                     } else if (cb) {
                         return cb(sequence[0]);
                     } else {
                         return sequence[0];
                     }
                 } else {
                     if (err)
                         return err(new Error("The sequence is required"));
                     else
                         throw new Error("The sequence is required");
                 }
             }
             export function firstWhere<T>(
                 sequence: ArrayLike<T>,
                 predicate: (x: T) => boolean
             ): T;
             export function firstWhere<T>(
                 sequence: PromiseLike<ArrayLike<T>>,
                 predicate: (x: T) => boolean
             ): PromiseLike<T>;
             export function firstWhere<T>(
                 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 predicate: (x: T) => boolean,
                 cb: (x: T) => void,
                 err?: (x: Error) => void
             ): void;
             export function firstWhere<T>(
                 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 predicate?: (x: T) => boolean,
                 cb?: (x: T) => any,
                 err?: (x: Error) => any
             ) {
                 if (isPromise(sequence)) {
                     return sequence.then(res => firstWhere(
                         res,
                         predicate as any /* force to pass undefined predicate */,
                         cb as any /* force to pass undefined cb */,
                         err)
                     );
                 } else if (sequence && "length" in sequence) {
                     if (sequence.length === 0) {
                         if (err)
                             err(new Error("The sequence is empty"));
                         else
                             throw new Error("The sequence is empty");
                     } else {
                         if (!predicate) {
                             return cb ? cb(sequence[0]) && void (0) : sequence[0];
                         } else {
                             for (let i = 0; i < sequence.length; i++) {
                                 const v = sequence[i];
                                 if (predicate(v))
                                     return cb ? cb(v) : v;
                             }
                             if (err)
                                 err(new Error("The sequence doesn't contain matching items"));
                             else
                                 throw new Error("The sequence doesn't contain matching items");
                         }
                     }
                 } else {
                     if (err)
                         err(new Error("The sequence is required"));
                     else
                         throw new Error("The sequence is required");
                 }
             }
             export function isDestroyable(d: any): d is IDestroyable {
                 if (d && "destroy" in d && typeof (destroy) === "function")
                     return true;
                 return false;
             }
             export function destroy(d: any) {
                 if (d && "destroy" in d)
                     d.destroy();
             }
             /**
              * Used to mark that the async operation isn't awaited intentionally.
              * @param p The promise which represents the async operation.
              */
             export function nowait(p: Promise<any>) {
             }
             /** represents already destroyed object.
              */
             export const destroyed = {
                 /** Calling to this method doesn't affect anything, noop.
                  */
                 destroy() {
                 }
             };

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