Loading
function(e,t,r){"use strict";var n=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}();e.exports=function(e){if("function"!=typeof e&&null!==e)throw TypeError("Super expression must either be null or a function, not "+typeof e);function t(){if(!(this instanceof t))throw TypeError("Cannot call a class as a function");var e=function(e,t){if(!e)throw ReferenceError("this hasn't been initialised - super() hasn't been called");return t&&("object"==typeof t||"function"==typeof t)?t:e}(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return e._children=[],e}return t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e),n(t,[{key:"__addChild",value:function(e){0===this._children.length&&this.__attach(),this._children.push(e)}},{key:"__removeChild",value:function(e){var t=this._children.indexOf(e);-1===t?console.warn("Trying to remove a child that doesn't exist"):(this._children.splice(t,1),0===this._children.length&&this.__detach())}},{key:"__getChildren",value:function(){return this._children}}]),t}(r(562210))}