simplesignal/dist/SimpleSignal.umd.js

Super-simple signals class

(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.SimpleSignal = factory());
})(this, (function () { 'use strict';

    var SimpleSignal = /** @class */ (function () {
        // Constructor ---
        function SimpleSignal() {
            this.functions = [];
        }
        // Public ---
        SimpleSignal.prototype.add = function (func) {
            if (this.functions.indexOf(func) === -1) {
                this.functions.push(func);
                return true;
            }
            return false;
        };
        SimpleSignal.prototype.remove = function (func) {
            var ifr = this.functions.indexOf(func);
            if (ifr > -1) {
                this.functions.splice(ifr, 1);
                return true;
            }
            return false;
        };
        SimpleSignal.prototype.removeAll = function () {
            if (this.functions.length > 0) {
                this.functions.length = 0;
                return true;
            }
            return false;
        };
        SimpleSignal.prototype.dispatch = function () {
            var args = [];
            for (var _i = 0; _i < arguments.length; _i++) {
                args[_i] = arguments[_i];
            }
            var functionsDuplicate = this.functions.concat();
            functionsDuplicate.forEach(function (func) {
                func.apply(void 0, args);
            });
        };
        Object.defineProperty(SimpleSignal.prototype, "numItems", {
            // Accessor ---
            get: function () {
                return this.functions.length;
            },
            enumerable: false,
            configurable: true
        });
        return SimpleSignal;
    }());

    return SimpleSignal;

}));
module.exports.default = module.exports; // Terrible injection just so it works regardless of how it's required