@ketch-in/packet/dist/Observable.js

packet

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
class Observable {
    constructor() {
        this.isDestroy = false;
        this.events = {};
        this.idObservable = Math.random().toPrecision(1);
    }
    log(...args) {
        console.log(`[${this.idObservable}] > `, ...args);
    }
    emit(type, ...args) {
        this.log(this.isDestroy);
        if (typeof type !== "string" || !this.events[type] || this.isDestroy) {
            return;
        }
        this.events[type].forEach((func) => {
            if (typeof func === "function") {
                func(this, ...args);
            }
        });
    }
    getDestroy() {
        return this.isDestroy;
    }
    destroy() {
        this.log("destroy", this.isDestroy);
        const keys = Object.keys(this.events);
        keys.forEach((key) => {
            delete this.events[key];
        });
        this.isDestroy = true;
    }
    addEventListener(type, listener) {
        if (typeof type !== "string" || this.isDestroy) {
            return;
        }
        if (!this.events[type]) {
            this.events[type] = [];
        }
        if (this.events[type].includes(listener)) {
            return;
        }
        this.events[type].push(listener);
    }
    removeEventListener(type, listener) {
        if (typeof type !== "string" ||
            !this.events[type] ||
            !this.events[type].includes(listener)) {
            return;
        }
        this.events[type] = this.events[type].filter((func) => func !== listener);
        if (this.events[type].length === 0) {
            delete this.events[type];
        }
    }
}
exports.default = Observable;
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