// eventProxy.js
'use strict';
const eventProxy = {
onObj: {},
oneObj: {},
on: function(key, fn) {
if(this.onObj[key] === undefined) {
this.onObj[key] = [];
}
this.onObj[key].push(fn);
},
one: function(key, fn) {
if(this.oneObj[key] === undefined) {
this.oneObj[key] = [];
}
this.oneObj[key].push(fn);
},
off: function(key) {
this.onObj[key] = [];
this.oneObj[key] = [];
},
trigger: function() {
let key, args;
if(arguments.length == 0) {
return false;
}
key = arguments[0];
args = [].concat(Array.prototype.slice.call(arguments, 1));
if(this.onObj[key] !== undefined
&& this.onObj[key].length > 0) {
for(let i in this.onObj[key]) {
this.onObj[key][i].apply(null, args);
}
}
if(this.oneObj[key] !== undefined
&& this.oneObj[key].length > 0) {
for(let i in this.oneObj[key]) {
this.oneObj[key][i].apply(null, args);
this.oneObj[key][i] = undefined;
}
this.oneObj[key] = [];
}
}
};
export default eventProxy;