@awesome-nodes/mvvm/lib/mvvm/model/EventDelegate.js

Application development framework using the *model* *view* *view-model* design pattern.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.EventDelegate = exports.EVENT_EMITTER_TOKEN = void 0;

var _injectionFactory = require("@awesome-nodes/injection-factory");

var _object = require("@awesome-nodes/object");

class EventDelegate {
  get eventEmitter() {
    return this._eventEmitter;
  }

  constructor(_producer) {
    this._producer = _producer;
    this._subscriptions = new Map();
    this._eventEmitter = new EVENT_EMITTER_TOKEN.value();
  }

  subscribe(observer, thisArg) {
    let next;
    let error;
    let complete;
    if (typeof observer == 'function') next = observer;else ({
      next,
      error,
      complete
    } = observer);
    if (this._subscriptions.get(next)) this.unsubscribe(next);

    const subscription = this._eventEmitter.subscribe(delegate => {
      delegate(thisArg ? next.bind(thisArg) : next);
    }, error && thisArg ? error.bind(thisArg) : error, complete && thisArg ? complete.bind(thisArg) : complete);

    subscription.add(() => {
      this._subscriptions.delete(next);
    });

    this._subscriptions.set(next, subscription);

    return subscription;
  }

  unsubscribe(observer) {
    const subscription = this._subscriptions.get(typeof observer == 'function' ? observer : observer.next);

    if (subscription && subscription.closed === false) subscription.unsubscribe();
  }

  invoke(ea = _object.EventArgs.empty) {
    this._eventEmitter.emit((delagate, thisArg) => {
      (thisArg ? delagate.bind(thisArg) : delagate)(this._producer, ea);
    });
  }

}

exports.EventDelegate = EventDelegate;

const EVENT_EMITTER_TOKEN = _injectionFactory.InjectionScope.get(EventDelegate, null).addToken('event-emitter');

exports.EVENT_EMITTER_TOKEN = EVENT_EMITTER_TOKEN;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../../src/mvvm/model/EventDelegate.ts"],"names":["EventDelegate","eventEmitter","_eventEmitter","constructor","_producer","_subscriptions","Map","EVENT_EMITTER_TOKEN","value","subscribe","observer","thisArg","next","error","complete","get","unsubscribe","subscription","delegate","bind","add","delete","set","closed","invoke","ea","EventArgs","empty","emit","delagate","InjectionScope","addToken"],"mappings":";;;;;;;AACA;;AACA;;AA8BO,MAAMA,aAAN,CAEP;AAS2B,MAAZC,YAAY,GACvB;AACI,WAAO,KAAKC,aAAZ;AACH;;AAMMC,EAAAA,WAAW,CAAWC,SAAX,EAClB;AAAA,SAD6BA,SAC7B,GAD6BA,SAC7B;AAAA,SAlBiBC,cAkBjB,GAlBmC,IAAIC,GAAJ,EAkBnC;AAAA,SAjBmBJ,aAiBnB,GAjBmC,IAAIK,mBAAmB,CAACC,KAAxB,EAiBnC;AAAE;;AAQKC,EAAAA,SAAS,CACZC,QADY,EAEZC,OAFY,EAGhB;AACI,QAAIC,IAAJ;AACA,QAAIC,KAAJ;AACA,QAAIC,QAAJ;AAEA,QAAI,OAAOJ,QAAP,IAAmB,UAAvB,EACIE,IAAI,GAAGF,QAAP,CADJ,KAGI,CAAC;AAAEE,MAAAA,IAAF;AAAQC,MAAAA,KAAR;AAAeC,MAAAA;AAAf,QAA4BJ,QAA7B;AAEJ,QAAI,KAAKL,cAAL,CAAoBU,GAApB,CAAwBH,IAAxB,CAAJ,EACI,KAAKI,WAAL,CAAiBJ,IAAjB;;AAEJ,UAAMK,YAAY,GAAG,KAAKf,aAAL,CAAmBO,SAAnB,CAChBS,QAAD,IACA;AACIA,MAAAA,QAAQ,CAACP,OAAO,GAAGC,IAAI,CAACO,IAAL,CAAUR,OAAV,CAAH,GAAwBC,IAAhC,CAAR;AACH,KAJgB,EAKjBC,KAAK,IAAIF,OAAT,GAAmBE,KAAK,CAACM,IAAN,CAAWR,OAAX,CAAnB,GAAyCE,KALxB,EAMjBC,QAAQ,IAAIH,OAAZ,GAAsBG,QAAQ,CAACK,IAAT,CAAcR,OAAd,CAAtB,GAA+CG,QAN9B,CAArB;;AAQAG,IAAAA,YAAY,CAACG,GAAb,CAAiB,MACjB;AACI,WAAKf,cAAL,CAAoBgB,MAApB,CAA2BT,IAA3B;AACH,KAHD;;AAIA,SAAKP,cAAL,CAAoBiB,GAApB,CAAwBV,IAAxB,EAA8BK,YAA9B;;AAEA,WAAOA,YAAP;AACH;;AAEMD,EAAAA,WAAW,CAACN,QAAD,EAClB;AACI,UAAMO,YAAY,GAAG,KAAKZ,cAAL,CAAoBU,GAApB,CAAwB,OAAOL,QAAP,IAAmB,UAAnB,GAAgCA,QAAhC,GAA2CA,QAAQ,CAACE,IAA5E,CAArB;;AAEA,QAAIK,YAAY,IAAIA,YAAY,CAACM,MAAb,KAAwB,KAA5C,EACIN,YAAY,CAACD,WAAb;AACP;;AAEMQ,EAAAA,MAAM,CAACC,EAAc,GAAGC,kBAAUC,KAA5B,EACb;AACI,SAAKzB,aAAL,CAAmB0B,IAAnB,CAAwB,CAACC,QAAD,EAAwClB,OAAxC,KACxB;AACI,OAACA,OAAO,GAAGkB,QAAQ,CAACV,IAAT,CAAcR,OAAd,CAAH,GAA4BkB,QAApC,EAA8C,KAAKzB,SAAnD,EAA8DqB,EAA9D;AACH,KAHD;AAIH;;AA1EL;;;;AA6EO,MAAMlB,mBAAkD,GAAGuB,iCAC7Df,GAD6D,CACzDf,aADyD,EAC1C,IAD0C,EACpC+B,QADoC,CAC3B,eAD2B,CAA3D","sourcesContent":["/* eslint-disable @typescript-eslint/no-use-before-define */\nimport { InjectionScope, InjectionToken } from '@awesome-nodes/injection-factory';\nimport { EventArgs, IEvent, IEventDelegate } from '@awesome-nodes/object';\nimport { IDelegate } from '@awesome-nodes/object/model';\nimport { ObjectModel } from 'mvvm/model/ObjectModel';\nimport { Subscription } from 'rxjs';\n\n\nexport interface IEventObserver<TSender extends ObjectModel, TEventArgs extends EventArgs = EventArgs>\n{\n    next: IEvent<TSender, TEventArgs>;\n    error?: (err: unknown) => void;\n    complete?: () => void;\n}\n\nexport interface IEventEmitter<TSender extends ObjectModel = ObjectModel, TEventArgs extends EventArgs = EventArgs>\n{\n    //tslint:disable-next-line:no-flag-args\n    new(async?: boolean): this;\n\n    emit(delegate: IEventDelegate<TSender, TEventArgs>): void;\n\n    subscribe(\n        next?: (value: IEventDelegate<TSender, TEventArgs>) => void,\n        error?: (error: unknown) => void,\n        complete?: () => void): Subscription;\n}\n\n/**\n * Represents a simple event delegate used to encapsulate any web frontend framework event emitter object.\n * @template TSender, TEventArgs\n */\nexport class EventDelegate<TSender extends ObjectModel, TEventArgs extends EventArgs = EventArgs>\n    implements IDelegate<TSender, TEventArgs>\n{\n    private readonly _subscriptions  = new Map<IEvent<TSender, TEventArgs>, Subscription>();\n    protected readonly _eventEmitter = new EVENT_EMITTER_TOKEN.value() as unknown as IEventEmitter<TSender, TEventArgs>;\n\n    /**\n     * Returns the wen framework EventEmitter used only within angular components.\n     * @access Any access from a view-model, model or service is not\n     * permitted because it couples angular code to the object model.\n     */\n    public get eventEmitter(): IEventEmitter<TSender, TEventArgs>\n    {\n        return this._eventEmitter;\n    }\n\n    /**\n     * Initializes this instance\n     * @param {TSender} _producer The event producer to be used as `thisArg` for the command handler invocation.\n     */\n    public constructor(protected _producer: TSender)\n    {}\n\n    /**\n     * Subscribes to the underlying EventEmitter observable and delegates event\n     * subscription to commend pattern style handler functions.\n     * @param observer The next observer function or an event observer instance.\n     * @param thisArg If provided, all observer functions are invoked on except the error observer.\n     */\n    public subscribe(\n        observer: IEvent<TSender, TEventArgs> | IEventObserver<TSender, TEventArgs>,\n        thisArg?: object): Subscription\n    {\n        let next: IEvent<TSender, TEventArgs>;\n        let error: ((err: unknown) => void) | undefined;\n        let complete: (() => void) | undefined;\n\n        if (typeof observer == 'function')\n            next = observer;\n        else\n            ({ next, error, complete } = observer);\n\n        if (this._subscriptions.get(next))\n            this.unsubscribe(next);\n\n        const subscription = this._eventEmitter.subscribe(\n            (delegate: IEventDelegate<TSender, TEventArgs>) =>\n            {\n                delegate(thisArg ? next.bind(thisArg) : next);\n            },\n            error && thisArg ? error.bind(thisArg) : error,\n            complete && thisArg ? complete.bind(thisArg) : complete,\n        );\n        subscription.add(() =>\n        {\n            this._subscriptions.delete(next);\n        });\n        this._subscriptions.set(next, subscription);\n\n        return subscription;\n    }\n\n    public unsubscribe(observer: IEvent<TSender, TEventArgs> | IEventObserver<TSender, TEventArgs>): void\n    {\n        const subscription = this._subscriptions.get(typeof observer == 'function' ? observer : observer.next);\n        //noinspection PointlessBooleanExpressionJS subscription.closed is undefined if not raised\n        if (subscription && subscription.closed === false)\n            subscription.unsubscribe();\n    }\n\n    public invoke(ea: TEventArgs = EventArgs.empty as TEventArgs): void\n    {\n        this._eventEmitter.emit((delagate: IEvent<TSender, TEventArgs>, thisArg?: object) =>\n        {\n            (thisArg ? delagate.bind(thisArg) : delagate)(this._producer, ea);\n        });\n    }\n}\n\nexport const EVENT_EMITTER_TOKEN: InjectionToken<IEventEmitter> = InjectionScope\n    .get(EventDelegate, null).addToken('event-emitter');\n"]}