sahara/dist/src/event-emitter.js

An inversion-of-control container for managing dependencies. Supports constructor, property and method injection

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EventEmitter = void 0;
class EventEmitter {
    constructor() {
        this.events = {};
    }
    listeners(name) {
        if (!this.events[name]) {
            this.events[name] = [];
        }
        return this.events[name];
    }
    on(name, listener) {
        this.listeners(name).push(listener);
    }
    off(name, listener) {
        const listeners = this.listeners(name);
        const index = listeners.indexOf(listener);
        if (index !== -1) {
            listeners.splice(index, 1);
        }
    }
    emit(name, ...args) {
        this.listeners(name).forEach((listener) => {
            listener.apply(this, args);
        });
    }
}
exports.EventEmitter = EventEmitter;
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