ee-proxy/dist/ee-proxy.min.js

Event emitter proxy for easy local listeners cleanup

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.emitterProxy=f()}})(function(){var define,module,exports;return function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r}()({1:[function(require,module,exports){"use strict";function _toConsumableArray(arr){if(Array.isArray(arr)){for(var i=0,arr2=Array(arr.length);i<arr.length;i++){arr2[i]=arr[i]}return arr2}else{return Array.from(arr)}}var REMOVE_METHOD="stopListening";var ADD_LISTENER_METHODS=["on","once","addListener","prependListener","prependOnceListener","addEventListener","onceAny","onAny"];var REMOVE_LISTENER_METHODS=["off","removeListener","removeAllListeners","removeEventListener"];var REMOVE_ONE_LISTENER_METHODS=["removeListener","removeEventListener","off"];module.exports=function(emitter){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var removeMethod=options.removeMethod||REMOVE_METHOD;var addListenerMethods=options.addListenerMethods||ADD_LISTENER_METHODS;var removeListenerMethods=options.removeListenerMethods||REMOVE_LISTENER_METHODS;var polyfillFields=options.fields||[];var stopListeningAfterFirstEvent=options.hasOwnProperty("stopListeningAfterFirstEvent")?options.stopListeningAfterFirstEvent:false;var removeOneListenerMethod=options.removeOneListenerMethod||REMOVE_ONE_LISTENER_METHODS.find(function(method){return emitter[method]instanceof Function});var fieldsForPolyfill=[].concat(_toConsumableArray(polyfillFields),[removeMethod]);fieldsForPolyfill.forEach(function(field){if(!emitter.hasOwnProperty(field)){emitter[field]={}}});var eventListeners=[];var stopListening=function stopListening(){for(var _len=arguments.length,eventsNames=Array(_len),_key=0;_key<_len;_key++){eventsNames[_key]=arguments[_key]}eventListeners=eventListeners.filter(function(listener){if(!eventsNames.length||eventsNames.includes(listener.eventName)){emitter[removeOneListenerMethod](listener.eventName,listener.realListener);return false}return true})};return new Proxy(emitter,{get:function get(emitter,property,proxy){if(property===removeMethod){return function(){stopListening.apply(undefined,arguments);return proxy}}if(addListenerMethods.includes(property)&&emitter[property]instanceof Function&&emitter[property].length>=2){return function(eventName,userListener){for(var _len2=arguments.length,rest=Array(_len2>2?_len2-2:0),_key2=2;_key2<_len2;_key2++){rest[_key2-2]=arguments[_key2]}var realListener=!stopListeningAfterFirstEvent?userListener.bind(proxy):function(){stopListening();for(var _len3=arguments.length,args=Array(_len3),_key3=0;_key3<_len3;_key3++){args[_key3]=arguments[_key3]}return userListener.call.apply(userListener,[proxy].concat(args))};eventListeners.push({eventName:eventName,userListener:userListener,realListener:realListener});emitter[property].apply(emitter,[eventName,realListener].concat(rest));return proxy}}if(removeListenerMethods.includes(property)&&emitter[property]instanceof Function){return function(eventName,userListener){for(var _len4=arguments.length,rest=Array(_len4>2?_len4-2:0),_key4=2;_key4<_len4;_key4++){rest[_key4-2]=arguments[_key4]}var eventListener=eventListeners.find(function(listener){return listener.userListener===userListener});var realListener=eventListener?eventListener.realListener:userListener;eventListeners=eventListeners.filter(function(listener){return listener.eventName!==eventName||userListener&&listener.userListener!==userListener});emitter[property].apply(emitter,[eventName,realListener].concat(rest));return proxy}}if(emitter[property]instanceof Function){return emitter[property].bind(emitter)}return emitter[property]}})}},{}]},{},[1])(1)});