strong-events/lib/index.js

Strong Typed Event Emitter for TypeScript / JavaScript.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var EventEmitter = /** @class */ (function () {
    function EventEmitter() {
        this.handlers = [];
    }
    EventEmitter.prototype.register = function (cb, once) {
        if (once === void 0) { once = false; }
        this.handlers.push(cb);
        return this;
    };
    EventEmitter.prototype.invoke = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        this.handlers.forEach(function (handler) { return handler.apply(void 0, args); });
    };
    EventEmitter.prototype.invokeAsync = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        return Promise.all(this.handlers.map(function (handler) { return handler.apply(void 0, args); }));
    };
    EventEmitter.prototype.remove = function (cb) {
        var index = this.handlers.indexOf(cb);
        this.handlers[index] = this.handlers[this.handlers.length - 1];
        this.handlers.pop();
    };
    EventEmitter.prototype.clear = function () {
        this.handlers = [];
    };
    return EventEmitter;
}());
exports.EventEmitter = EventEmitter;
function createSignal() {
    var emitter = new EventEmitter();
    function register(cb) {
        return emitter.register(cb, this === null);
    }
    ;
    register.once = function (cb) {
        var callback = function () {
            var args = [];
            for (var _i = 0; _i < arguments.length; _i++) {
                args[_i] = arguments[_i];
            }
            cb.apply(void 0, args);
            emitter.remove(callback);
        };
        emitter.register(callback);
    };
    register.remove = function (cb) { return emitter.remove(cb); };
    register.invoke = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        return emitter.invoke.apply(emitter, args);
    };
    register.invokeAsync = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        return emitter.invokeAsync.apply(emitter, args);
    };
    register.clear = function () { return emitter.clear(); };
    return register;
}
exports.createSignal = createSignal;